阅读说明：本技术 一种复合纤维棉内衣罩杯及其制备方法 (Composite fiber cotton underwear cup and preparation method thereof ) 是由 黄忠成 于 2021-09-18 设计创作，主要内容包括：本申请涉及罩杯的领域,尤其是涉及一种复合纤维棉内衣罩杯及其制备方法。该内衣罩杯包括由内表面至外表面依次设置的第一纤维面料层、第一粘胶层、第一纤维棉层、粘接层、第二纤维棉层、第二粘胶层和第二纤维面料层；粘接层为第三粘胶层；或者粘接层包括至少一层第三纤维棉层以及设置于第三纤维棉层表面的第三粘胶层。本申请采用至少两层硅胶纤维棉层,并通过粘胶层将相邻的硅胶纤维棉层粘接稳定,使得内衣罩杯承托力好、透气性好,经过多次穿着和水洗晾晒后层间不易分离、不易形变,结构稳定；而粘接层可以为一层第三粘胶层或是至少一层第三硅胶纤维棉层,可根据所需厚度来设置硅胶纤维棉层的层数,使得内衣罩杯的厚度可调整,适用范围广泛。(The application relates to the field of cups, in particular to a composite fiber cotton underwear cup and a preparation method thereof. The underwear cup comprises a first fiber fabric layer, a first adhesive layer, a first fiber cotton layer, an adhesive layer, a second fiber cotton layer, a second adhesive layer and a second fiber fabric layer which are sequentially arranged from the inner surface to the outer surface; the adhesive layer is a third adhesive layer; or the bonding layer comprises at least one third fiber cotton layer and a third adhesive layer arranged on the surface of the third fiber cotton layer. The underwear cup adopts at least two silica gel fiber cotton layers, and the adjacent silica gel fiber cotton layers are stably bonded through the adhesive layers, so that the underwear cup has good bearing force and air permeability, is not easy to separate and deform after being worn for many times and washed and aired, and has stable structure; the adhesive layer can be a third adhesive layer or at least a third silica gel fiber cotton layer, and the number of the silica gel fiber cotton layer can be set according to the required thickness, so that the thickness of the underwear cup can be adjusted, and the application range is wide.)

1. The utility model provides a compound cellucotton underwear cup which characterized in that: the underwear cup comprises a first fiber fabric layer (1), a first adhesive layer (2), a first silica gel fiber cotton layer (3), an adhesive layer (4), a second silica gel fiber cotton layer (5), a second adhesive layer (6) and a second fiber fabric layer (7) which are sequentially arranged from the inner surface to the outer surface;

the bonding layer (4) is a third adhesive layer (41);

or the adhesive layer (4) comprises at least one third silica gel fiber cotton layer (42) and a third adhesive layer (41) arranged on the surface of the third silica gel fiber cotton layer (42).

2. The composite fiber cotton underwear cup of claim 1, wherein: first silica gel fiber cotton layer (3), second silica gel fiber cotton layer (5) with third silica gel fiber cotton layer (42) all comprise a plurality of elastic fiber (101), every elastic fiber (101) include cellosilk (102) and cladding in silicone rubber layer (103) on cellosilk (102) surface.

3. A composite cellucotton underwear cup according to claim 2, characterized in that: the fiber yarn (102) is cotton fiber yarn, corn fiber yarn, hemp fiber yarn, silk fiber yarn, polyester fiber yarn, polypropylene fiber yarn, polyester fiber yarn or spandex fiber yarn.

4. A composite cellucotton underwear cup according to claim 2, characterized in that: the silicone rubber layer (103) is prepared from the following raw materials in percentage by weight:

the component A comprises: 28-32% of methyl hydrogen-containing silicone oil

Fumed silica 18-22%

20 to 30 percent of isododecane

0.1 to 1.0 percent of methyl butynol

Tackifier 5-8%

And B component: 15 to 30 percent of vinyl silicone oil

1-3% of platinum mixture.

5. The composite fiber cotton underwear cup of claim 1, wherein: first viscose layer (2) second viscose layer (6) and third viscose layer (41) are urea-formaldehyde resin viscose layer, polyvinyl acetate viscose layer, polyurethane viscose layer, epoxy glue layer, polyacrylic resin viscose layer, polyester viscose layer, PUR hot melt viscose layer, TPE hot melt viscose layer, PES hot melt viscose layer in one.

6. A method of making a composite cellucotton underwear cup as claimed in any one of claims 1 to 5, wherein: the method comprises the following steps:

coating a first adhesive layer (2) on the inner surface of the first silica gel fiber cotton layer (3), then covering the inner surface of the first adhesive layer (2) with a first fiber fabric layer (1), and carrying out hot pressing for 25-50s at the temperature of 145-185 ℃ to obtain first composite fiber cotton;

coating a second adhesive layer (6) on the inner surface of the second silica gel fiber cotton layer (5), arranging the adhesive layer (4) on the inner surface of the second silica gel fiber cotton layer (5), then covering the second fiber fabric layer (7) on the outer surface of the second adhesive layer, attaching the outer surface of the first silica gel fiber cotton layer (3) of the first composite fiber cotton to the inner surface of the adhesive layer (4), and carrying out hot pressing for 25-180s at the temperature of 145-185 ℃ to obtain the composite fiber cotton underwear cup.

7. A method of making a composite cellucotton underwear cup as claimed in any one of claims 1 to 5, wherein: the method comprises the following steps:

coating a first adhesive layer (2) on the inner surface of a first silica gel fiber cotton layer (3), arranging an adhesive layer (4) on the outer surface of the first silica gel fiber cotton layer (3), then covering a first fiber fabric layer (1) on the inner surface of the first adhesive layer (2), and carrying out hot pressing for 25-50s at the temperature of 145-185 ℃ to obtain a fiber cotton composite layer;

coating a second adhesive layer (6) on the outer surface of the second silica gel fiber cotton layer (5), then covering a second fiber fabric layer (7) on the outer surface of the second adhesive layer (6), attaching the outer surface of the adhesive layer (4) of the fiber cotton composite layer to the inner surface of the second silica gel fiber cotton layer (5), and carrying out hot pressing for 25-180s at the temperature of 145-185 ℃ to obtain the composite fiber cotton underwear cup.

8. A method of making a composite cellucotton underwear cup as claimed in any one of claims 1 to 5, wherein: the method comprises the following steps:

coating a first adhesive layer (2) on the inner surface of a first silica gel fiber cotton layer (3), and then covering a first fiber fabric layer (1) on the inner surface of the first adhesive layer (2) to obtain first composite fiber cotton;

coating a second adhesive layer (6) on the outer surface of the second silica gel fiber cotton layer (5), and then covering a second fiber fabric layer (7) on the outer surface of the second adhesive layer (6) to obtain second composite fiber cotton;

and arranging the bonding layer (4) between the outer surface of the first composite fiber cotton and the inner surface of the second composite fiber cotton, and carrying out hot pressing for 50-180s at the temperature of 145-185 ℃ to obtain the composite fiber cotton underwear cup.

Technical Field

The application relates to the field of cups, in particular to composite fiber cotton underwear cups and a preparation method thereof.

Background

The underwear is a garment worn by women in daily life and is closely contacted with the skin of the female breast, wherein the cups have the effects of supporting and improving the concentrated breast and have the functions of protecting the breast, shaping the breast, enlarging the breast, beautifying the breast and the like.

Currently, there are underwear cups with different thickness on the market, which are selected according to the needs of users, but the supporting force of the underwear cup with thicker thickness is generally better than that of the underwear cup with thinner thickness, but the air permeability is generally lower than that of the underwear cup with thinner thickness, and currently, women tend to the underwear cup which is air permeable, light and thin and comfortable to wear based on the chest health problem, so that the stuffy feeling of wearing is reduced, and the normal breathing of the chest skin is ensured.

In view of the above, the inventor believes that the underwear cup having a small thickness is relatively air-permeable, but the problem of the supporting force is not solved well, and the underwear cup has a small thickness, and is easily deformed after being worn for a long time or washed with water, and the supporting performance is reduced.

Disclosure of Invention

In order to solve the problem that the underwear cup is easy to deform after being worn for a long time or washed by water, the application provides the composite fiber cotton underwear cup and the preparation method thereof.

In a first aspect, the application provides a composite fiber cotton underwear cup, which adopts the following technical scheme:

a composite fiber cotton underwear cup comprises a first fiber fabric layer, a first adhesive layer, a first silica gel fiber cotton layer, an adhesive layer, a second silica gel fiber cotton layer, a second adhesive layer and a second fiber fabric layer which are sequentially arranged from the inner surface to the outer surface;

the adhesive layer is a third adhesive layer;

or the bonding layer comprises at least one third silica gel fiber cotton layer and a third adhesive layer arranged on the surface of the third silica gel fiber cotton layer.

Through adopting above-mentioned technical scheme, adopt the cotton layer of at least two-layer silica gel fibre, improve the bearing capacity of underwear cup, and the gas permeability is good, difficult deformation to adopt the viscose layer to bond adjacent silica gel fibre cotton layer stably, make the underwear cup wear and wash the difficult separation between the sunning back layer many times, stable in structure. The first silica gel fiber cotton layer and the first fiber fabric layer are stably bonded by the first adhesive layer, and the second silica gel fiber cotton layer and the second fiber fabric layer are stably bonded by the second adhesive layer, so that the fiber fabric layer and the silica gel fiber cotton layer are also stably bonded, and the interlayer separation phenomenon is not easy to occur.

In addition, the bonding layer can be a third adhesive layer or at least one third silica gel fiber cotton layer, when the bonding layer is the third adhesive layer, the first silica gel fiber cotton layer and the second silica gel fiber cotton layer can be bonded stably, and the light and thin underwear cup with two silica gel fiber cotton layers is manufactured; and when the bonding layer is at least one third silica gel fiber cotton layer, the third adhesive layer is stably bonded with the first silica gel fiber cotton layer and the second silica gel fiber cotton layer to obtain the underwear cup with at least three silica gel fiber cotton layers, the interlayer bonding is stable, the bearing capacity is good, and the underwear cup is not easy to deform.

Preferably, the thickness of the underwear cup is 2-50 mm.

The underwear cup of this application contains the cotton layer of at least two-layer silica gel fibre, can set up the number of piles on the cotton layer of silica gel fibre according to required cup type, size, thickness for the thickness of underwear cup is adjustable, and application scope is extensive, and is specific, and the underwear cup can set up to upper portion thickness thinner in the cup, and lower part thickness is thicker in the cup, so that the cup plays good bearing effect to the chest bottom.

Preferably, the first silica gel fiber cotton layer, the second silica gel fiber cotton layer and the third silica gel fiber cotton layer all comprise a plurality of elastic fibers, and each elastic fiber comprises fiber filaments and a silica gel layer coated on the surface of the fiber filaments.

Through adopting the silicon rubber layer to coat the cellosilk, the elastic fiber has excellent flexibility and elasticity, is not easy to break and deform, the silicon rubber fiber cotton layer further prepared by adopting the elastic fiber has excellent elasticity and supporting force, is not easy to deform, has good air permeability, improves the bearing force of underwear cups, is not easy to deform after being worn for many times and being washed and aired, and has long service life.

Preferably, the fiber yarn is cotton fiber yarn, corn fiber yarn, hemp fiber yarn, silk fiber yarn, polyester fiber yarn, polypropylene fiber yarn, polyester fiber yarn or spandex fiber yarn.

By adopting the fiber yarn, the strength is excellent, the elastic fiber which is flexible and stable in structure is formed after the elastic fiber is coated by the silicon rubber layer, and the silica gel fiber cotton layer prepared by the elastic fiber has excellent flexibility and support performance, so that the bearing capacity of the underwear cup is improved.

Preferably, the silicone rubber layer is prepared from the following raw materials in percentage by weight:

the component A comprises: 28-32% of methyl hydrogen-containing silicone oil

Fumed silica 18-22%

20 to 30 percent of isododecane

0.1 to 1.0 percent of methyl butynol

Tackifier 5-8%

And B component: 15 to 30 percent of vinyl silicone oil

1-3% of platinum mixture.

The liquid silicone rubber is prepared by adopting the raw materials, is easy to coat and extend on the surface of the fiber, and forms a silicone rubber layer after curing, so that the flexibility of the fiber can be improved, and a silicone fiber cotton layer further prepared by adopting the elastic fiber coated on the silicone rubber layer has excellent elasticity and supporting force, so that the underwear cup is not easy to deform after being worn for many times and being washed and aired, and has good bearing performance.

Wherein, the methyl hydrogen-containing silicone oil of the component A and the vinyl silicone oil of the component B are crosslinked and polymerized under the action of a platinum mixture to form a stable liquid silicone rubber system, and the platinum mixture is preferably formed by mixing chloroplatinic acid and a divinyl tetramethyl disiloxane platinum complex in a weight ratio of 1 (0.5-1.5); the gas-phase silicon dioxide improves the performances of tensile strength, tear strength and the like of a silicon rubber system so as to further improve the flexibility and the supporting force of a silica gel fiber cotton layer, the silicon oil components of isododecane, methyl hydrogen-containing silicon oil and vinyl silicon oil provide a liquid system environment, the materials can be uniformly dispersed, the reaction is promoted to be uniform, the methyl butynol can inhibit the structural phenomenon which possibly occurs during the storage period of the liquid silicon rubber, the better flowability of the liquid silicon rubber is kept, the coating is easy, and the hardening phenomenon of the silicon rubber layer after the underwear cup is worn and washed for many times can be reduced so as to keep the flexibility and the resilience of the silica gel fiber cotton layer and the underwear cup; the viscosity of the liquid silicone rubber can be improved by the tackifier, the silicone fiber cotton layer can have certain viscosity after the liquid silicone rubber is coated on the surface of the cotton body, the surface of the cotton body is easy to be coated with an adhesive or attached to other fiber fabrics, and preferably, the tackifier can be a Jiangxianen Z-1401 type silicon boron modified tackifier.

The preparation method of the silicone rubber layer comprises the following specific steps:

preparing a component A: mixing methyl hydrogen-containing silicone oil, fumed silica and isododecane according to the weight percentage, uniformly stirring in vacuum, adding the methylbutynol and the tackifier, and continuously and uniformly stirring in vacuum to obtain the component A.

Preparing a component B: and mixing the vinyl silicone oil and the platinum mixture according to the weight percentage, and uniformly stirring in vacuum to obtain the component B.

And then mixing the component A and the component B to prepare the liquid silicone rubber.

When the component A and the component B are mixed, the platinum mixture catalyzes methyl hydrogen-containing silicone oil of the component A to be crosslinked with vinyl silicone oil of the component B to form a stable liquid silicone rubber system.

The liquid silicon rubber is coated on the surface of a cotton body formed by winding the fiber yarns, the liquid silicon rubber flows into the cotton body along the surface of the fiber yarns, or the liquid silicon rubber on the surface of the cotton body is lightly pressed into the cotton body through external light pressure, and a silicon rubber layer is formed on the surface of the fiber yarns after curing and forming.

Preferably, the first adhesive layer, the second adhesive layer and the third adhesive layer are one of a urea-formaldehyde resin adhesive layer, a polyvinyl acetate adhesive layer, a polyurethane adhesive layer, an epoxy resin adhesive layer, a polyacrylic resin adhesive layer, a polyester adhesive layer, a PUR hot-melt adhesive layer, a TPE hot-melt adhesive layer and a PES hot-melt adhesive layer.

Through adopting foretell viscose layer, the adhesion is good, can bond adjacent silica gel fibre cotton layer stably for the underwear cup is difficult for appearing deformation phenomenon, stable in structure, long service life after wearing and washing sunning many times.

In a second aspect, the application provides a method for preparing composite fiber cotton underwear cups, which adopts the following technical scheme:

a preparation method of composite fiber cotton underwear cups comprises the following steps:

coating a first adhesive layer on the inner surface of the first silica gel fiber cotton layer, then covering the first fiber fabric layer on the inner surface of the first adhesive layer, and carrying out hot pressing for 25-50s at the temperature of 145-;

coating a second adhesive layer on the inner surface of the second silica gel fiber cotton layer, arranging the adhesive layer on the inner surface of the second silica gel fiber cotton layer, then covering the second fiber fabric layer on the outer surface of the second adhesive layer, attaching the outer surface of the first silica gel fiber cotton layer of the first composite fiber cotton to the inner surface of the adhesive layer, and carrying out hot pressing for 25-180s at the temperature of 145-185 ℃ to obtain the composite fiber cotton underwear cup.

By adopting the technical scheme, the liquid silicone rubber is coated on the upper surface and the lower surface of the cotton body in advance to form the silicone fiber cotton layer, at the moment, the liquid silicone rubber can be pressed to permeate into the cotton body by adopting a light pressing mode, or the first adhesive layer can be directly coated without adopting the light pressing mode; bonding the first silica gel fiber cotton layer with the first fiber fabric layer through the coated first adhesive layer, and performing hot-pressing and shaping to obtain first composite fiber cotton; in addition, a second adhesive layer is coated to bond a second silica gel fiber cotton layer with a second fiber fabric layer, then a first composite fiber cotton layer, the bonding layer, the second silica gel fiber cotton layer, the second adhesive layer and the second fiber fabric layer are stacked and hot-pressed to obtain a composite fiber cotton underwear cup, the underwear cup is prepared through the first hot pressing of the first composite fiber cotton layer and the second hot pressing of the whole body, the viscose is solidified in the hot pressing process, so that the bonding between the silica gel fiber cotton layer and the adhesive layer of the underwear cup is stable, the layered structure of the underwear cup is stable, and the layered separation phenomenon is not easy to occur after the underwear cup is worn for many times or is washed with water and aired.

The other preparation method comprises the following steps: coating a first adhesive layer on the inner surface of the first silica gel fiber cotton layer, arranging an adhesive layer on the outer surface of the first silica gel fiber cotton layer, covering the first fiber fabric layer on the inner surface of the first adhesive layer, and carrying out hot pressing at the temperature of 145-185 ℃ for 25-50s to obtain a fiber cotton composite layer;

coating a second adhesive layer on the outer surface of the second silica gel fiber cotton layer, covering the second fiber fabric layer on the outer surface of the second adhesive layer, attaching the outer surface of the adhesive layer of the fiber cotton composite layer to the inner surface of the second silica gel fiber cotton layer, and carrying out hot pressing for 25-180s at the temperature of 145-185 ℃ to obtain the composite fiber cotton underwear cup.

By adopting the technical scheme, the liquid silicone rubber is coated on the upper surface and the lower surface of the cotton body in advance to form the silicone fiber cotton layer, and at the moment, the liquid silicone rubber can be pressed to permeate the cotton body in a light pressing mode, or the viscose layer can be directly coated without the light pressing mode. The first silica gel fiber cotton layer is bonded with the first fiber fabric layer by coating the first adhesive layer, the bonding layer is arranged on the surface, away from the first fiber fabric layer, of the first silica gel fiber cotton layer, and then the first composite fiber cotton (including the bonding layer) is formed by hot pressing. In addition, a second adhesive layer is coated to bond a second silica gel fiber cotton layer with a second fiber fabric layer, then a first composite fiber cotton layer, the second silica gel fiber cotton layer, a second adhesive layer and the second fiber fabric layer are stacked and hot-pressed to obtain a composite fiber cotton underwear cup, the underwear cup is prepared by the first hot pressing of the first composite fiber cotton layer containing the adhesive layer and the second hot pressing of the whole body, the viscose is solidified in the hot pressing process, so that the bonding between the silica gel fiber cotton layer and the adhesive layer of the underwear cup is stable, the layered structure of the underwear cup is stable, and the layered separation phenomenon is not easy to occur after the underwear cup is worn for many times or is washed with water and aired.

The preparation method comprises the following steps: coating a first adhesive layer on the inner surface of the first silica gel fiber cotton layer, and then covering the first fiber fabric layer on the inner surface of the first adhesive layer to obtain first composite fiber cotton;

coating a second adhesive layer on the outer surface of the second silica gel fiber cotton layer, and then covering a second fiber fabric layer on the outer surface of the second adhesive layer to obtain second composite fiber cotton;

and arranging the bonding layer between the outer surface of the first composite fiber cotton and the inner surface of the second composite fiber cotton, and carrying out hot pressing for 50-180s at the temperature of 145-185 ℃ to obtain the composite fiber cotton bra cup.

By adopting the technical scheme, the liquid silicone rubber is coated on the upper surface and the lower surface of the cotton body in advance to form the silicone fiber cotton layer, and at the moment, the liquid silicone rubber can be pressed to permeate the cotton body in a light pressing mode, or the viscose layer can be directly coated without the light pressing mode. The first silica gel fiber cotton layer is bonded with the first fiber fabric layer by coating the first adhesive layer, the second silica gel fiber cotton layer is bonded with the second fiber fabric layer by coating the second adhesive layer, then the adhesive layer is arranged between the first silica gel fiber cotton layer and the second silica gel fiber cotton layer, the underwear cup is manufactured through one-time hot-pressing treatment, and the adhesive is cured in the hot-pressing process, so that the bonding between the silica gel fiber cotton layer and the adhesive layer of the underwear cup is stable.

In summary, the present application has the following beneficial effects:

1. this application adopts the cotton layer of at least two-layer silica gel fibre, improves the holding power of underwear cup, and the gas permeability is good, difficult deformation to adopt the viscose layer to bond adjacent silica gel fibre cotton layer stably, make the underwear cup through wear many times and washing sunning back interlaminar difficult separation, stable in structure.

2. The utility model provides a bonding layer can be the cotton layer of one deck third viscose layer or at least one deck third silica gel fibre, can set up the number of piles on the cotton layer of silica gel fibre according to the thickness of underwear cup for the thickness of underwear cup is adjustable, and application scope is extensive.

3. The preparation method of the underwear cup can adopt three preparation methods, such as one-step hot pressing preparation, or two-step hot pressing preparation, wherein the preparation method comprises the steps of laminating first composite fiber cotton consisting of a first fiber fabric layer, a first adhesive layer and a first silica gel fiber cotton layer, then stacking the laminated first composite fiber cotton with an adhesive layer, a second silica gel fiber cotton layer, a second adhesive layer and a second fiber fabric layer, and hot pressing; or after a first composite fiber cotton composed of a first fiber fabric layer, a first adhesive layer and a first silica gel fiber cotton layer bonding layer is pressed, the first composite fiber cotton is stacked with a second silica gel fiber cotton layer, a second adhesive layer and a second fiber fabric layer and is subjected to hot pressing, and the two-step hot pressing preparation is carried out; the preparation steps are simple to operate, the process is simple and convenient, the liquid silicon rubber can be solidified and molded, the cooling molding process after hot pressing is saved, the production efficiency is improved, and the prepared underwear cup is stable in structure and is not easy to deform or generate interlayer separation after being worn for many times and being washed and aired.

Drawings

Fig. 1 is a schematic exploded view of a composite cellucotton underwear cup of example 1.

Fig. 2 is a cross-sectional view of the underwear cup of example 1.

FIG. 3 is a schematic representation of the structure of an elastic fiber as described herein.

Figure 4 is an exploded view of the composite cellucotton undergarment cup of example 9.

Fig. 5 is a cross-sectional view of the underwear cup of example 9.

Description of reference numerals: 1. a first fibrous face stock layer; 2. a first adhesive layer; 3. a first silica gel fiber cotton layer; 4. an adhesive layer; 41. a third adhesive layer; 42. a third silica gel fiber cotton layer; 5. a second silica gel fiber cotton layer; 6. a second adhesive layer; 7. a second fibrous face stock layer; 101. an elastic fiber; 102. fiber yarn; 103. a silicone rubber layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-5 and examples.

TABLE 1 sources of materials

Raw materials	Model number	Manufacturer of the product
			107 liquid silicone rubber	XLD-107 silicon rubber	Xinglong Dada
Methyl hydrogen-containing silicone oil	XRJ-266	Xinrunjin
			Silicon-boron modified tackifier	Z-1401 type	Jiangxina na en
Vinyl silicone oil	289	Xinglong Dada
			Isocyanate resin adhesive	F-70D	Wuhanshi Quanxing
Polyurethane adhesive	GSY-6018B	Polyurethane material for Guangsuan

The types of the manufacturers of the materials adopted in the preparation examples and the embodiments are all specifically selected for supporting the auxiliaries in the preparation examples and the embodiments, and the raw materials are not limited to the types of the manufacturers in the actual production and preparation process of the silicone rubber adopted in the experiments.

Preparation example of liquid Silicone rubber

Preparation example 1

A liquid silicone rubber prepared by the steps of:

preparing a component A: mixing 28kg of methyl hydrogen-containing silicone oil, 18kg of fumed silica and 30kg of isododecane, uniformly stirring in vacuum, then adding 1kg of methylbutynol and 5kg of tackifier, and continuously and uniformly stirring in vacuum to obtain a component A;

preparing a component B: mixing 15kg of vinyl silicone oil, 2kg of chloroplatinic acid and 1kg of divinyl tetramethyl disiloxane platinum complex, and uniformly stirring in vacuum to obtain a component B;

and then mixing the component A and the component B to prepare the liquid silicone rubber.

Preparation examples 2 to 3

The preparations 2 to 3 differ from preparation 1 in the amount of the materials used, see in particular the table below.

TABLE 2 dosage (kg) of the materials of preparation examples 1-3

Examples

Example 1

Referring to fig. 1 and 2, a composite fiber cotton underwear cup comprises a first fiber fabric layer 1, a first adhesive layer 2, a first silica gel fiber cotton layer 3, a third adhesive layer 41, a second silica gel fiber cotton layer 5, a second adhesive layer 6 and a second fiber fabric layer 7 which are sequentially arranged from the inner surface to the outer surface, wherein the first silica gel fiber cotton layer 3 and the second silica gel fiber cotton layer 5 are formed by winding a plurality of elastic fibers 101, and each elastic fiber 101 is formed by wrapping a silica rubber layer 103 on the surface of a fiber filament 102 according to fig. 3. The thickness of the composite fiber cotton underwear cup is 6-10mm, wherein the thickness of the lower part of the underwear cup is larger than that of the middle upper part of the underwear cup, the maximum thickness of the middle lower part of the underwear cup close to the bottom of the cup is 10mm, and the minimum thickness of the middle upper part of the underwear cup is 6 mm.

The first adhesive layer 2, the second adhesive layer 6 and the third adhesive layer 41 of this embodiment are all isocyanate resin adhesive layers, the fiber filaments 102 in the first silica gel fiber cotton layer 3 and the fiber filaments 102 in the second silica gel fiber cotton layer 5 all adopt cotton fiber filaments, and the silicone rubber layer 103 in the first silica gel fiber cotton layer 3 and the silicone rubber layer 103 in the second silica gel fiber cotton layer 5 are formed by coating 107 liquid silicone rubber on the surfaces of the fiber filaments and curing the silicone rubber.

The composite fiber cotton underwear cup is prepared by the following steps:

coating 107 liquid silicone rubber on the upper surface and the lower surface of a cotton body prepared by winding cotton fibers, and rolling for 40s at 165 ℃ to prepare two silica gel fiber cotton layers, namely a first silica gel fiber cotton layer 3 and a second silica gel fiber cotton layer 5.

Coating an isocyanate resin adhesive on the inner surface of the first silica gel fiber cotton layer 3 to form a first adhesive layer 2, attaching the first fiber fabric layer 1 to the inner surface of the first adhesive layer 2, and performing hot pressing for 50s at the temperature of 145 ℃ to obtain first composite fiber cotton;

coating an isocyanate resin adhesive on the outer surface of the second silica gel fiber cotton layer 5 to form a second adhesive layer 6, and attaching a second fiber fabric layer 7 to the outer surface of the second adhesive layer 6 to obtain second composite fiber cotton; coating an isocyanate resin adhesive on the inner surface of the second silica gel fiber cotton layer 5 to form a third adhesive layer 41, and adhering one surface of the first silica gel fiber cotton layer 3 of the first composite fiber cotton to the inner surface of the third adhesive layer 41; and hot pressing at 145 ℃ for 180s to obtain the composite fiber cotton underwear cup.

In this embodiment or other embodiments, an isocyanate resin adhesive may be coated on the outer surface of the first fiber fabric layer 1 to form a first adhesive layer 2, and then the first silica gel fiber cotton layer 3 is attached to one side of the first fiber fabric layer 1 coated with the isocyanate resin adhesive, and is hot-pressed for 50 seconds at a temperature of 145 ℃ to obtain the first composite fiber cotton.

Similarly, the inner surface of the second fiber fabric layer 7 may be coated with an isocyanate resin adhesive to form a second adhesive layer 6, and the second silica gel fiber cotton layer 5 is attached to the inner surface of the second adhesive layer 6.

In a similar way, the outer surface of the first silica gel fiber cotton layer 3 can be coated with isocyanate resin adhesive to form a third adhesive layer 41, and then the third adhesive layer is attached to the second silica gel fiber cotton layer 5, and then the subsequent hot pressing treatment is performed.

In this embodiment or other embodiments, the different coating sequences of the isocyanate resin adhesive on the silica gel fiber cotton layer may be implemented, and are all within the protection scope of the present technical solution.

Example 2

This embodiment differs from embodiment 1 described above in that:

the first adhesive layer 2, the second adhesive layer 6 and the third adhesive layer 41 of this embodiment are both polyurethane adhesive layers, the fiber filaments 102 in the first silica gel fiber cotton layer 3 and the fiber filaments 102 in the second silica gel fiber cotton layer 5 all adopt cotton fiber filaments, and the silicone rubber layer 103 in the first silica gel fiber cotton layer 3 and the silicone rubber layer 103 in the second silica gel fiber cotton layer 5 are formed by coating 107 liquid silicone rubber on the surface of the fiber filaments for curing.

The composite fiber cotton underwear cup is prepared by the following steps:

coating 107 liquid silicone rubber on the upper surface and the lower surface of a cotton body prepared by winding corn fiber silk, and rolling for 40s at 165 ℃ to prepare two silica gel fiber cotton layers, namely a first silica gel fiber cotton layer 3 and a second silica gel fiber cotton layer 5.

Coating a polyurethane adhesive on the inner surface of the first silica gel fiber cotton layer 3 to form a first adhesive layer 2, attaching the first fiber fabric layer 1 to the inner surface of the first adhesive layer 2, and performing hot pressing for 35s at 165 ℃ to obtain first composite fiber cotton;

coating a polyurethane adhesive on the outer surface of the second silica gel fiber cotton layer 5 to form a second adhesive layer 6, and attaching a second fiber fabric layer 7 to the outer surface of the second adhesive layer 6; coating a polyurethane adhesive on the inner surface of the second silica gel fiber cotton layer 5 to form a third adhesive layer 41, and adhering one surface of the first silica gel fiber cotton layer 3 of the first composite fiber cotton to the inner surface of the third adhesive layer 41; and hot pressing at 165 deg.C for 100s to obtain composite fiber cotton bra cup.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the silica gel fiber cotton layer may be implemented, and are within the protection scope of the present technical solution.

Example 3

This embodiment differs from embodiment 1 described above in that:

the first adhesive layer 2, the second adhesive layer 6 and the third adhesive layer 41 of this embodiment are polyurethane adhesive layers, the fiber filaments 102 in the first silica gel fiber cotton layer 3 and the fiber filaments 102 in the second silica gel fiber cotton layer 5 all adopt corn fiber filaments, and the silicone rubber layer 103 in the first silica gel fiber cotton layer 3 and the silicone rubber layer 103 in the second silica gel fiber cotton layer 5 are formed by coating 107 liquid silicone rubber on the surface of the fiber filaments for curing.

The composite fiber cotton underwear cup is prepared by the following steps:

coating 107 liquid silicone rubber on the upper surface and the lower surface of a cotton body prepared by winding cotton fibers, and rolling for 40s at 165 ℃ to prepare two silica gel fiber cotton layers, namely a first silica gel fiber cotton layer 3 and a second silica gel fiber cotton layer 5.

Coating a polyurethane adhesive on the inner surface of the first silica gel fiber cotton layer 3 to form a first adhesive layer 2, attaching the first fiber fabric layer 1 to the inner surface of the first adhesive layer 2, and performing hot pressing at 185 ℃ for 25s to obtain first composite fiber cotton;

coating a polyurethane adhesive on the outer surface of the second silica gel fiber cotton layer 5 to form a second adhesive layer 6, and attaching a second fiber fabric layer 7 to the outer surface of the second adhesive layer 6; coating a polyurethane adhesive on the inner surface of the second silica gel fiber cotton layer 5 to form a third adhesive layer 41, and adhering one surface of the first silica gel fiber cotton layer 3 of the first composite fiber cotton to the inner surface of the third adhesive layer 41; hot pressing at 185 deg.C for 25s to obtain composite fiber cotton bra cup.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the silica gel fiber cotton layer may be implemented, and are within the protection scope of the present technical solution.

Example 4

This embodiment differs from embodiment 2 described above in that:

the composite fiber cotton underwear cup is prepared by the following steps:

coating 107 liquid silicone rubber on the upper surface and the lower surface of a cotton body prepared by winding cotton fibers, and rolling for 40s at 165 ℃ to prepare two silica gel fiber cotton layers, namely a first silica gel fiber cotton layer 3 and a second silica gel fiber cotton layer 5.

Coating a polyurethane adhesive on the inner surface of the first silica gel fiber cotton layer 3 to form a first adhesive layer 2, attaching the first fiber fabric layer 1 to the inner surface of the first adhesive layer 2, coating the polyurethane adhesive on the outer surface of the first silica gel fiber cotton layer 3 to form a third adhesive layer 41, and carrying out hot pressing for 35s at the temperature of 165 ℃ to obtain first composite fiber cotton;

coating a polyurethane adhesive on the outer surface of the second silica gel fiber cotton layer 5 to form a second adhesive layer 6, and attaching a second fiber fabric layer 7 to the outer surface of the second adhesive layer 6; one surface of the third adhesive layer 41 of the first composite cellucotton is adhered to the inner surface of the second silica gel cellucotton layer 5; and hot pressing at 165 deg.C for 100s to obtain composite fiber cotton bra cup.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the silica gel fiber cotton layer may be implemented, and are within the protection scope of the present technical solution.

Example 5

This embodiment differs from embodiment 2 described above in that:

the composite fiber cotton underwear cup is prepared by the following steps:

coating 107 liquid silicone rubber on the upper surface and the lower surface of a cotton body prepared by winding cotton fibers, and rolling for 40s at 165 ℃ to prepare two silica gel fiber cotton layers, namely a first silica gel fiber cotton layer 3 and a second silica gel fiber cotton layer 5.

Coating a polyurethane adhesive on the inner surface of the first silica gel fiber cotton layer 3 to form a first adhesive layer 2, and attaching the first fiber fabric layer 1 to the inner surface of the first adhesive layer 2 to obtain first composite fiber cotton;

coating a polyurethane adhesive on the outer surface of the second silica gel fiber cotton layer 5 to form a second adhesive layer 6, and attaching a second fiber fabric layer 7 to the outer surface of the second adhesive layer 6 to obtain second composite fiber cotton;

coating polyurethane adhesive on the outer surface of the first silica gel fiber cotton layer 3 to form a third adhesive layer 41, attaching the inner surface of the second silica gel fiber cotton layer 5 of the second composite fiber cotton to the third adhesive layer 41, and hot-pressing at 165 ℃ for 100s to obtain the composite fiber cotton underwear cup.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the silica gel fiber cotton layer may be implemented, and are within the protection scope of the present technical solution.

Example 6

This embodiment differs from embodiment 2 described above in that: the commercially available 107 liquid silicone rubber of example 2 was replaced with an equal amount of the liquid silicone rubber prepared in preparation example 1.

Example 7

This embodiment differs from embodiment 4 described above in that: an equal amount of the liquid silicone rubber prepared in preparation example 2 was used in place of the commercially available 107 liquid silicone rubber of example 4.

Example 8

This embodiment differs from embodiment 5 described above in that: an equal amount of the liquid silicone rubber prepared in preparation example 3 was used in place of the commercially available 107 liquid silicone rubber of example 5.

Example 9

Referring to fig. 4 and 5, a composite fiber cotton underwear cup comprises a first fiber fabric layer 1, a first adhesive layer 2, a first silica gel fiber cotton layer 3, a third adhesive layer 41, a third silica gel fiber cotton layer 42, a third adhesive layer 41, a second silica gel fiber cotton layer 5, a second adhesive layer 6 and a second fiber fabric layer 7 which are sequentially arranged from the inner surface to the outer surface, wherein the first silica gel fiber cotton layer 3, the second silica gel fiber cotton layer 5 and the third silica gel fiber cotton layer 42 are formed by winding a plurality of elastic fibers 101, and referring to fig. 3, each elastic fiber 101 is formed by wrapping a silicon rubber layer 103 on the surface of a fiber 102. The thickness of the composite fiber cotton underwear cup is 12-18mm, wherein the thickness of the middle lower part of the underwear cup is larger than that of the middle upper part of the underwear cup, the maximum thickness of the middle lower part of the underwear cup close to the bottom of the cup is 18mm, and the minimum thickness of the middle upper part of the underwear cup is 12 mm.

The first adhesive layer 2, the second adhesive layer 6 and the third adhesive layer 41 of this embodiment are all polyurethane adhesive layers, the fiber filaments 102 in the first silica gel fiber cotton layer 3 and the fiber filaments 102 in the second silica gel fiber cotton layer 5 all adopt cotton fiber filaments, and the silicone rubber layer 103 in the first silica gel fiber cotton layer 3 and the silicone rubber layer 103 in the second silica gel fiber cotton layer 5 are formed by coating 107 liquid silicone rubber on the surfaces of the fiber filaments and curing the silicone rubber.

The composite fiber cotton underwear cup is prepared by the following steps:

coating 107 liquid silicone rubber on the upper surface and the lower surface of a cotton body prepared by winding cotton fiber yarns, and rolling for 40s at 165 ℃ to prepare three silica gel fiber cotton layers, namely a first silica gel fiber cotton layer 3, a second silica gel fiber cotton layer 5 and a third silica gel fiber cotton layer 42.

Coating a polyurethane adhesive on the inner surface of the first silica gel fiber cotton layer 3 to form a first adhesive layer 2, attaching the first fiber fabric layer 1 to the inner surface of the first adhesive layer 2, and performing hot pressing at 145 ℃ for 50s to obtain first composite fiber cotton;

coating a polyurethane adhesive on the outer surface of the second silica gel fiber cotton layer 5 to form a second adhesive layer 6, and attaching a second fiber fabric layer 7 to the outer surface of the second adhesive layer 6 to obtain second composite fiber cotton; and coating polyurethane adhesive on two surfaces of the third silica gel fiber cotton layer 42 to form a third adhesive layer 41, attaching one surface of the first silica gel fiber cotton layer 3 of the first composite fiber cotton to the inner surface of the third adhesive layer 41, attaching one surface of the second silica gel fiber cotton layer 5 of the second composite fiber cotton to the third adhesive layer 41 on the other surface of the third silica gel fiber cotton layer 42, and hot-pressing at 165 ℃ for 100s to obtain the composite fiber cotton underwear cup.

In this embodiment or other embodiments, a polyurethane adhesive may be coated on the outer surface of the first fiber fabric layer 1 to form a first adhesive layer 2, and then the first silica gel fiber cotton layer 3 is attached to the side of the first fiber fabric layer 1 coated with the polyurethane adhesive, and hot-pressed for 50 seconds at 145 ℃ to obtain the first composite fiber cotton.

Similarly, the inner surface of the second fiber fabric layer 7 may be coated with polyurethane adhesive to form a second adhesive layer 6, and the second silica gel fiber cotton layer 5 is attached to the inner surface of the second adhesive layer 6.

Similarly, a polyurethane adhesive can be coated on the outer surface of the first silica gel fiber cotton layer 3 or the inner surface of the second silica gel fiber cotton layer 5 to form a third adhesive layer 41, and then the third adhesive layer 41 is attached to the third silica gel fiber cotton layer 42, and then the subsequent hot pressing treatment is performed.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the silica gel fiber cotton layer may be implemented, and are within the protection scope of the present technical solution.

Example 10

This embodiment differs from embodiment 9 described above in that:

the composite fiber cotton underwear cup is prepared by the following steps:

coating 107 liquid silicone rubber on the upper surface and the lower surface of a cotton body prepared by winding cotton fiber yarns, and rolling for 40s at 165 ℃ to prepare three silica gel fiber cotton layers, namely a first silica gel fiber cotton layer 3, a second silica gel fiber cotton layer 5 and a third silica gel fiber cotton layer 42.

Coating a polyurethane adhesive on the inner surface of the first silica gel fiber cotton layer 3 to form a first adhesive layer 2, and attaching the first fiber fabric layer 1 to the inner surface of the first adhesive layer 2 to obtain first composite fiber cotton;

then coating polyurethane adhesive on two surfaces of the third silica gel fiber cotton layer 42 to form a third adhesive layer 41, attaching the third silica gel fiber cotton layer 42 coated with the third adhesive layer 41 to one side of the first silica gel fiber cotton layer 3 of the first composite fiber cotton, and hot-pressing at the temperature of 145 ℃ for 50s to obtain a fiber cotton composite layer;

coating a polyurethane adhesive on the outer surface of the second silica gel fiber cotton layer 5 to form a second adhesive layer 6, and attaching a second fiber fabric layer 7 to the outer surface of the second adhesive layer 6 to obtain second composite fiber cotton;

attaching one surface of a second silica gel fiber cotton layer 5 of the second composite fiber cotton to one surface of a third adhesive layer 41 of the fiber cotton composite layer; and hot pressing at 165 deg.C for 100s to obtain composite fiber cotton bra cup.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the silica gel fiber cotton layer may be implemented, and are within the protection scope of the present technical solution.

Example 11

This embodiment differs from embodiment 9 described above in that:

the composite fiber cotton underwear cup is prepared by the following steps:

coating 107 liquid silicone rubber on the upper surface and the lower surface of a cotton body prepared by winding cotton fiber yarns, and rolling for 40s at 165 ℃ to prepare three silica gel fiber cotton layers, namely a first silica gel fiber cotton layer 3, a second silica gel fiber cotton layer 5 and a third silica gel fiber cotton layer 42.

Coating a polyurethane adhesive on the inner surface of the first silica gel fiber cotton layer 3 to form a first adhesive layer 2, and attaching the first fiber fabric layer 1 to the inner surface of the first adhesive layer 2 to obtain first composite fiber cotton;

coating polyurethane adhesive on two surfaces of the third silica gel fiber cotton layer 42 to form a third adhesive layer 41 and obtain an adhesive layer 4;

coating a polyurethane adhesive on the outer surface of the second silica gel fiber cotton layer 5 to form a second adhesive layer 6, and attaching a second fiber fabric layer 7 to the outer surface of the second adhesive layer 6 to obtain second composite fiber cotton;

the first composite fiber cotton, the bonding layer 4 and the second composite fiber cotton are sequentially stacked, and the bonding layer 4 is sandwiched between the first silica gel fiber cotton layer 3 and the second silica gel fiber cotton layer 5; and hot pressing at 165 deg.C for 100s to obtain composite fiber cotton bra cup.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the silica gel fiber cotton layer may be implemented, and are within the protection scope of the present technical solution.

Example 12

This embodiment differs from embodiment 9 described above in that: an equal amount of the liquid silicone rubber prepared in preparation example 3 was used in place of the commercially available 107 liquid silicone rubber of example 9.

Example 13

This embodiment differs from embodiment 10 described above in that: an equal amount of the liquid silicone rubber prepared in preparation example 2 was used in place of the commercially available 107 liquid silicone rubber of example 10.

Example 14

This embodiment differs from embodiment 11 described above in that: the commercially available 107 liquid silicone rubber of example 11 was replaced with an equal amount of the liquid silicone rubber prepared in preparation example 1.

Comparative example

Comparative example 1

The utility model provides a compound cotton underwear cup of fibre, includes the first fibre precoat, first viscose layer, the cotton layer of first fibre, third viscose layer, the cotton layer of second fibre, second viscose layer and the cotton layer of second fibre that set gradually by internal surface to surface, and the cotton layer of first fibre and the cotton layer of second fibre all comprise a plurality of cellosilk winding, and the cellosilk is not handled through liquid silicon rubber coating.

The thickness of the composite fiber cotton underwear cup is 6-10mm, wherein the thickness of the lower part of the underwear cup is larger than that of the middle upper part of the underwear cup, the maximum thickness of the middle lower part of the underwear cup close to the bottom of the cup is 10mm, and the minimum thickness of the middle upper part of the underwear cup is 6 mm. The adhesive layer of this embodiment is a polyurethane adhesive layer.

The composite fiber cotton underwear cup is prepared by the following steps:

coating a polyurethane adhesive on the inner surface of the first fiber cotton layer to form a first adhesive layer, and then attaching the first fiber fabric layer to the inner surface of the first adhesive layer to form a first composite fiber cotton layer;

coating a polyurethane adhesive on the outer surface of the second fiber cotton layer to form a second adhesive layer, and then attaching the second fiber fabric layer to the outer surface of the second adhesive layer to form a second composite fiber cotton layer;

coating polyurethane adhesive on the outer surface of the first fiber cotton of the first composite fiber cotton layer to form a third adhesive layer, then adhering the third adhesive layer with one surface of the second fiber cotton layer of the second composite fiber cotton layer, and performing hot pressing for 100s at 165 ℃ to obtain the composite fiber cotton underwear cup. Or coating a polyurethane adhesive on the inner surface of the second fiber cotton layer of the second composite fiber cotton layer to form a third adhesive layer, then adhering the third adhesive layer with one surface of the first fiber cotton of the first composite fiber cotton layer, and hot-pressing at 165 ℃ for 100s to obtain the composite fiber cotton underwear cup.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the fiber cotton layer can be implemented, and are within the protection scope of the present technical solution.

Comparative example 2

The utility model provides a compound cotton underwear cup of fibre, includes the first fibre precoat, first viscose layer, the cotton layer of first fibre, third viscose layer, the cotton layer of third fibre, third viscose layer, the cotton layer of second fibre, second viscose layer and the cotton layer of second fibre that set gradually by internal surface to surface, and the cotton layer of first fibre, the cotton layer of second fibre and the cotton layer of third fibre all comprise a plurality of cellosilk winding, and the cellosilk is not handled through liquid silicon rubber coating.

The thickness of the composite fiber cotton underwear cup is 12-18mm, wherein the thickness of the middle lower part of the underwear cup is larger than that of the middle upper part of the underwear cup, the maximum thickness of the middle lower part of the underwear cup close to the bottom of the cup is 18mm, and the minimum thickness of the middle upper part of the underwear cup is 12 mm. The adhesive layer of this embodiment is a polyurethane adhesive layer.

The composite fiber cotton underwear cup is prepared by the following steps:

coating a polyurethane adhesive on the inner surface of the first fiber cotton layer to form a first adhesive layer, and then attaching the first fiber fabric layer to the inner surface of the first adhesive layer to form a first composite fiber cotton layer;

coating polyurethane adhesive on two surfaces of the third fiber cotton layer to form a third adhesive layer and obtain an adhesive layer;

coating a polyurethane adhesive on the outer surface of the second fiber cotton layer to form a second adhesive layer, and then attaching the second fiber fabric layer to the outer surface of the second adhesive layer to form a second composite fiber cotton layer;

sequentially stacking the first composite cellucotton, the bonding layer and the second composite cellucotton, wherein the bonding layer is sandwiched between the first cellucotton layer and the second cellucotton layer; and hot pressing at 165 deg.C for 100s to obtain composite fiber cotton bra cup.

In this embodiment or other embodiments, the different coating sequences of the polyurethane adhesive for coating the fiber cotton layer can be implemented, and are within the protection scope of the present technical solution.

TABLE 3 scheme distinction tables for examples 1-14 and comparative examples 1-2

Performance test the underwear cups prepared in examples 1-14 and comparative examples 1-2 were tested for air permeability and compression resilience, and the air permeability and compression resilience after washing with water for 300 times were tested, as follows:

(1) air permeability: according to standard ISO 9237: 1995 textile. determination of air permeability of fabrics test for air permeability under a pressure difference of 200 Pa;

(2) compression rebound performance: testing according to appendix A of FZ/T64003-2011, controlling the pressure to be 10kg, and testing the recovery rate after compression for 12 hours;

(3) and (3) water washing operation: soaking the bra cup in clear water at 30 deg.C for 10min, kneading and washing for 10min, and air drying in shade to obtain water washing; the water washing was repeated 300 times, and then the air permeability, compression recovery rate and staining grade after the water washing was tested 300 times.

The test results are shown below:

TABLE 4 test results of examples 1 to 14 and comparative examples 1 to 2

As can be seen from the above examples and table 4, in examples 1 to 14, the liquid silicone rubber is applied to the cotton body formed by winding the fiber filaments, and the silicone rubber layer is formed on the surface of the fiber filaments, and then the silicone fiber cotton layer is bonded to the fiber fabric layer through the adhesive layer to form the composite fiber cotton layer, and two composite fiber cotton layers are provided to further prepare the underwear cups, so that the prepared underwear cups have excellent air permeability and resilience, and can maintain excellent air permeability and resilience after being washed and dried for many times, and are not easily deformed.

The fiber cotton layers of comparative examples 1 and 2 were not treated by the liquid silicone rubber coating, and although the air permeability of the produced underwear cups was slightly increased, the resilience was significantly decreased, and the compression resilience was also significantly decreased after multiple water washing.

In examples 1-5 and 9-12, the silicone rubber layer was prepared from commercially available liquid silicone rubber, and in examples 6-8 and 12-14, the liquid silicone rubber prepared in the preparation example of the present application was used, and all of the underwear cups prepared in the above examples had excellent air permeability and compression resilience, and maintained excellent air permeability and compression resilience after being washed with water and dried for many times. In examples 1 to 3, 6, 9 and 12, the first fiber fabric layer 1, the first adhesive layer 2 and the first silica gel fiber cotton layer 3 are hot-pressed, and then laminated with the adhesive layer 4, the second silica gel fiber cotton layer 5, the second adhesive layer 6 and the second fiber fabric layer 7, and underwear cups are prepared by two-time lamination; in the embodiments 4, 7, 10 and 13, the first fiber fabric layer 1, the first adhesive layer 2, the first silica gel fiber cotton layer 3 and the adhesive layer 4 are hot-pressed, and then are laminated with the second silica gel fiber cotton layer 5, the second adhesive layer 6 and the second fiber fabric layer 7, and the bra cups are prepared by another two-time laminating manner; examples 5, 8, 11, 14 are all through coating the viscose agent with each layer lamination and once pressfitting preparation underwear cup, and the underwear cup that the above-mentioned example made all has good gas permeability and compression resilience, show that this application adopts liquid silicon rubber to coat on the cotton body, and through the mode of two pressfittings, or through the mode of once pressfitting after coating, all can make the above-mentioned underwear cup that the comprehensive properties is good, and be applicable to the underwear cup that contains the cotton layer of multilayer silica gel fiber, and application scope is extensive.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.