阅读说明：本技术 一种金银线复合面料及其制备方法 (Metallic yarn composite fabric and preparation method thereof ) 是由 吴益明 于 2020-12-31 设计创作，主要内容包括：本申请涉及纺织面料技术领域,尤其是一种金银线复合面料及其制备方法。一种金银线复合面料,包括由经线和纬线编织而成面料主体,经线和纬线中皆包含有复合金银线,复合金银线由包含以下重量份的原料制成：尼龙66切片、着色染料、抗菌尼龙母料。本申请具有生产成本较低且抗菌、抗静电性能较好的效果。一种金银线复合面料的制备方法,包括以下步骤：步骤一,按配比称量尼龙66切片、着色染料、抗菌尼龙母料,搅拌混合；步骤二,在氮气保护下,加热干燥,加入至纺丝螺杆挤出机中进行热熔混合,纺丝,冷却得初生复合丝；步骤三,上油、卷曲成型、多级拉伸、热定型、冷却得复合金银线；步骤四,采用复合金银线编织得到成品面料。(The application relates to the technical field of textile fabrics, in particular to a metallic yarn composite fabric and a preparation method thereof. The composite gold and silver thread fabric comprises a fabric main body woven by warps and wefts, wherein the warps and the wefts both comprise composite gold and silver threads, and the composite gold and silver threads are prepared from the following raw materials in parts by weight: nylon 66 chips, coloring dye and antibacterial nylon master batch. The antibacterial antistatic fabric has the effects of low production cost and good antibacterial and antistatic properties. A preparation method of a metallic yarn composite fabric comprises the following steps: weighing nylon 66 slices, coloring dye and antibacterial nylon master batch according to a ratio, and stirring and mixing; heating and drying under the protection of nitrogen, adding the mixture into a spinning screw extruder for hot melt mixing, spinning and cooling to obtain primary composite yarns; step three, oiling, curling and forming, multi-stage stretching, heat setting and cooling to obtain the composite metallic yarns; and step four, weaving the composite metallic yarns to obtain the finished fabric.)

1. The gold and silver thread composite fabric is characterized in that: the fabric comprises a fabric main body, wherein the fabric main body is formed by weaving warps and wefts; the warp and the weft both comprise composite metallic yarns (2), and the composite metallic yarns (2) are prepared from the following raw materials in parts by weight: 100 parts of nylon 66 slices, 5-10 parts of coloring dye and 5-20 parts of antibacterial nylon master batch.

2. The metallic yarn composite fabric according to claim 1, characterized in that: the antibacterial nylon master batch is prepared from the following raw materials in parts by weight: 100 parts of nylon 66, 0.05-1.0 part of bactericidal 4A molecular sieve powder, 0.5-2.0 parts of conductive powder and 0.1-0.5 part of cocamidopropyl betaine; the conductive powder is conductive polyaniline powder screened by 100-200 meshes.

3. The metallic yarn composite fabric according to claim 1, characterized in that: the coloring dye is silver dye powder or golden dye powder or the combination of the two.

4. The metallic yarn composite fabric according to claim 3, characterized in that: the preparation method of the silver dye comprises the steps of selecting 1 part of mica powder screened by a 200-mesh screen and 1000 parts of deionized water, mixing and stirring at 500rpm for 5-10min, and heating the mixture to 90 +/-5 ℃ in the stirring process; then regulating the rotation speed to 200rpm, dropwise adding 5% sulfuric acid until the pH value is 3.5 +/-0.1, regulating the rotation speed to 350-400rpm, adding 0.15-0.25mol/L TiOCl2 solution until the mixed solution develops the silver color, then regulating the rotation speed to 200rpm, dropwise adding 5% barium hydroxide until the pH value is 7.5 +/-0.1 to obtain a mixed solution A, then regulating the rotation speed to 200rpm, adding an equal volume of 0.5mol/L sodium silicate solution into the mixed solution A to obtain a mixed solution B, adding a coupling agent into the mixed solution B, stirring and maintaining for 10min, then carrying out suction filtration and drying, finally, firing at 385 ℃ for 0.3h at +/-3.5 ℃, and carrying out ball milling and screening to obtain silver dye powder; the golden pearl powder is 1000-mesh golden pearl powder, and the CAS number of the golden pearl powder is 1354135.

5. The metallic yarn composite fabric according to claim 4, characterized in that: the composite gold and silver thread (2) is prepared from the following raw materials in parts by weight: 100 parts of nylon 66 slices, 8.5 parts of coloring dye and 10.5 parts of antibacterial nylon master batch; the antibacterial nylon master batch is prepared from the following raw materials in parts by weight: 100 parts of nylon 66, 0.5 part of bactericidal 4A molecular sieve powder, 2.0 parts of 200-mesh screened conductive polyaniline powder, 1.0 part of germanium powder, 0.5 part of scutellaria extract powder and 0.3 part of cocamidopropyl betaine.

6. The metallic yarn composite fabric and the preparation method thereof according to claim 1, wherein the metallic yarn composite fabric is characterized in that: the main body of the fabric is twill weave; the warp and weft density of the fabric main body is 180 plus 260 pieces/10 cm; the warp and weft of the fabric main body are the same in composition; the warp of the fabric main body comprises 72D/24F composite metallic yarns (2), 100D/38F cotton yarns (4) and 50D/24F DTY polyester yarns (3), and the composite metallic yarns (2) are positioned on the upper parts of the weft of the fabric main body; the 100D/38F human cotton yarn (4) and the 50D/24F DTY polyester yarn (3) are adjacent and positioned at the lower part of the weft of the fabric main body.

7. The metallic yarn composite fabric and the preparation method thereof according to claim 6, wherein the metallic yarn composite fabric is characterized in that: the fabric main body comprises jacquard weave and ground weave; the ground weave is formed by interweaving warp yarns and weft yarns according to a double-weft weave structure; the warp comprises composite gold and silver threads (2) with the specification of 72D/24F and lyocell fibers (20); the weft comprises a composite gold and silver thread (2) with the specification of 72D/24F and an inner weft (40); the inner weft (40) is viscose fiber.

8. The preparation method of the metallic yarn composite fabric of claims 1-7 is characterized in that: the method comprises the following steps:

weighing nylon 66 slices, coloring dye and antibacterial nylon master batch according to the proportion, and stirring and mixing for 10-20min at the speed of 600 plus 900 rpm;

heating to 90-120 ℃ under the protection of nitrogen, drying for 12-20h, adding into a spinning screw extruder for hot melt mixing to prepare a mixed melt, spinning by using a spinning box, and cooling to obtain primary composite filaments;

thirdly, oiling, curling and forming, stretching in multiple stages and heat setting are carried out on the as-spun composite yarn to obtain a composite metallic yarn (2);

and step four, weaving by using the composite gold and silver thread (2) as one of the warp and weft of the fabric main body to obtain the finished fabric.

9. The preparation method of the metallic yarn composite fabric according to claim 8, characterized in that: the spinning oil used in the oiling operation of the nascent composite yarn in the third step is prepared from the following raw materials in parts by weight: 100 parts of deionized water, 55 parts of polyethylene glycol, 25 parts of potassium octadecyl phosphate, 15 parts of polyoxyethylene ether and 5 parts of organosilicon quaternary ammonium salt antibacterial agent.

10. The preparation method of the metallic yarn composite fabric according to claim 8, characterized in that: the extrusion temperature of the spinning screw extruder is divided into five zones, and the five zones are divided into a first zone at 280 +/-3 ℃, a second zone at 268 +/-5 ℃, a third zone at 255 +/-5 ℃, a fourth zone at 240 +/-5 ℃ and a fifth zone at 230 +/-5 ℃ from near to far according to the distance from an extrusion port; the extrusion pressure of the spinning screw extruder is 160-²(ii) a The residence time of the mixed melt in the spinning screw extruder was 500. + -.10 s.

Technical Field

The application relates to the technical field of textile fabrics, in particular to a metallic yarn composite fabric and a preparation method thereof.

Background

With the improvement of living standard of people, the pursuit of clothing is not only limited to the pursuit of heat preservation, and people prefer clothes with novel style and bright color. Colored fibers are developed based on the needs of the public, wherein the metallic yarns are representative colored fibers. The gold and silver threads are rich in color, the colors of the garment can be greatly enriched when the gold and silver threads are applied to the textile fabric, and the prepared female garment fabric is novel in style and bright in color.

Publication No. CN109776964A discloses a production method and application of a novel metallic thread. Adding ultrapure water and methanol into a round-bottom flask, stirring for 20 minutes at room temperature, uniformly dispersing silver pearlescent pigment into the mixed solution, stirring and heating to 85 ℃, adding titanate coupling agent until the titanate coupling agent forms a compact and uniform film on the surface of the liquid, firmly connecting the titanate coupling agent with titanium dioxide particles through an oxygen bridge to uniformly coat the titanium dioxide particles on the surface of the pigment to obtain mixed solution A, and adding Si (OC) serving as a silicon dioxide precursor into the mixed solution A₂H₅)₄And ammonia as catalyst, Si (OC) in the final mixture₂H₅)₄Ammonia, water and methanol at concentrations of 0.45M, 1.6M, 10M and 12.1M, respectively, condensing at 60 deg.C for three hours, cooling the solution to room temperature by stirring to prevent aggregation to obtain silver-colored polymer material, mixing the silver-colored polymer material with polypropylene as base material, melt-extruding the prepared raw materials in main and auxiliary extruders, extruding the melt from the extruders to cling to the surface of the chill roll, and cooling the melt on the chill roll and the chill rollForming a salivation film under the action of a water bath and a guide roller; leading out the cast film, and longitudinally stretching under the action of stretching rollers with different roller speeds in front and at back of a longitudinal stretcher and a heating roller in the middle; then, in a transverse stretcher, clamping two sides of the film by using a chain clamp, moving forwards along a track which is gradually widened, and enlarging the width of the film through a heating area and a shaping area; after trimming, thickness measurement and corona treatment, the film is rolled into a cylindrical film roll, and then the cylindrical film roll is cut into the metallic yarns.

The publication No. CN105624901B discloses a fabric with glittering effect and its weaving method. The fabric is a double-faced knitted fabric, the surface layer yarn is formed by doubling a metallic yarn single-layer color yarn with the thickness of 12 mu m or 25 mu m, 50-70% of viscose fiber and 50-30% of modal fiber blended yarn, the inner layer yarn is formed by blending 30% of modal and 70% of cotton fiber, and the fabric is formed by circular knitting machine.

The above prior art solutions have the following drawbacks: the fabric woven by the existing metallic yarns has single function and cannot meet the requirement of the public on the multifunction of the fabric. At present, the people demand fabrics with better antibacterial property and antistatic property, the requirement cannot be met by adopting the novel metallic yarns, and the requirements of the antibacterial property and the antistatic property of the fabrics can only be met by adding an antibacterial aid and an antistatic aid in subsequent dyeing and finishing; or the yarn with silver-plated surface is prepared by a chemical method and is used as the fabric prepared by spinning, and although a corresponding auxiliary agent is not required to be added in dyeing and finishing, the cost is expensive. In conclusion, the prior art has the problems that the fabric function is contradictory to the production cost, and the application range of the fabric is limited

Disclosure of Invention

In order to solve the problem that the prior art has fabric function and production cost contradiction and limits the application range, the application provides a composite fabric of gold and silver threads on the first aspect, and adopts the following technical scheme:

a metallic yarn composite fabric and a preparation method thereof, comprising a fabric main body, wherein the fabric main body is formed by weaving warps and wefts; the warp and the weft both comprise composite metallic yarns, and the composite metallic yarns are prepared from the following raw materials in parts by weight: 100 parts of nylon 66 slices, 5-10 parts of coloring dye and 5-20 parts of antibacterial nylon master batch.

This application improves the bacterinertness and the antistatic behavior of the compound surface fabric of preparing through adding colouring dyestuff and antibiotic nylon master batch in compound gold and silver line preparation process for the surface fabric has better bacterinertness and antistatic behavior and bacterinertness and antistatic behavior are comparatively lasting, and this application surface fabric need not add antiseptic and antistatic auxiliary agent in the dyeing and finishing process, can reduce the dyeing and finishing degree of difficulty and dyeing and finishing cost, and then reduces the holistic manufacturing cost of this application.

Preferably, the antibacterial nylon master batch is prepared from the following raw materials in parts by weight: 100 parts of nylon 66, 0.05-1.0 part of bactericidal 4A molecular sieve powder, 0.5-2.0 parts of conductive powder and 0.1-0.5 part of cocamidopropyl betaine; the conductive powder is conductive polyaniline powder screened by 100-200 meshes.

By adopting the technical scheme, the cocamidopropyl betaine is used as the surfactant, and the bactericidal 4A molecular sieve powder and the conductive polyaniline powder are uniformly dispersed into the nylon 66, so that the quality of the composite gold and silver wire is ensured; the antibacterial property of the composite gold and silver wire is guaranteed by the bactericidal 4A molecular sieve powder, the conductive polyaniline powder is low in preparation cost and has good conductive performance, good antistatic performance is achieved, and in addition, the cocamidopropyl betaine also has certain antibacterial property and antistatic performance, so that the antibacterial property and the antistatic performance of the composite fabric are further improved.

Preferably, the coloring dye is silver dye powder or gold dye powder or the combination of the two.

By adopting the technical scheme, the silver dyeing powder enables the color of the composite gold and silver thread to display the silver color, the golden dyeing powder enables the color of the composite gold and silver thread to display the golden color, the silver dyeing powder and the golden dyeing powder are combined for use to obtain the composite gold and silver thread with gold and silver phases, the composite gold and silver thread can be prepared according to requirements, the combination is diversified, and the market requirements are met.

Preferably, the preparation method of the silver dye comprises the steps of selecting 1 part of mica powder screened by a 200-mesh screen and 1000 parts of deionized water, mixing and stirring at 500rpm for 5-10min, and heating the mixture to 90 +/-5 ℃ in the stirring process; then regulating the rotation speed to 200rpm, dropwise adding 5% sulfuric acid until the pH value is 3.5 +/-0.1, regulating the rotation speed to 350-400rpm, adding 0.15-0.25mol/L TiOCl2 solution until the mixed solution develops the silver color, then regulating the rotation speed to 200rpm, dropwise adding 5% barium hydroxide until the pH value is 7.5 +/-0.1 to obtain a mixed solution A, then regulating the rotation speed to 200rpm, adding an equal volume of 0.5mol/L sodium silicate solution into the mixed solution A to obtain a mixed solution B, adding a coupling agent into the mixed solution B, stirring and maintaining for 10min, then carrying out suction filtration and drying, finally, firing at 385 ℃ for 0.3h at +/-3.5 ℃, and carrying out ball milling and screening to obtain silver dye powder; the golden pearl powder is 1000-mesh golden pearl powder, and the CAS number of the golden pearl powder is 1354135.

By adopting the technical scheme, the silver dye powder with good quality and low cost can be prepared; the golden pearl powder is selected as the golden dye powder, so that the cost is relatively low, and the golden dye powder can ensure that the color of the composite gold and silver thread shows golden yellow and is not easy to oxidize and decolor.

Preferably, the composite metallic yarn is prepared from the following raw materials in parts by weight: 100 parts of nylon 66 slices, 8.5 parts of coloring dye and 10.5 parts of antibacterial nylon master batch; the antibacterial nylon master batch is prepared from the following raw materials in parts by weight: 100 parts of nylon 66, 0.5 part of bactericidal 4A molecular sieve powder, 2.0 parts of 200-mesh screened conductive polyaniline powder, 1.0 part of germanium powder, 0.5 part of scutellaria extract powder and 0.3 part of cocamidopropyl betaine.

Through adopting above-mentioned technical scheme, can reduce whole manufacturing cost and the processing degree of difficulty under guaranteeing that this application composite fabric has comparatively lasting antibiotic and antistatic behavior, germanium powder and baical skullcap root draw powder and introduce in addition, have given the better health function of this application, can promote blood circulation, improve human microcirculation, promote immunity, and germanium divides and silver ion same action, can promote antibacterial behavior, and the baical skullcap root draws and gets the thing powder and also has certain antibacterial effect.

Preferably, the fabric main body is twill weave; the warp and weft density of the fabric main body is 180 plus 260 pieces/10 cm; the warp and weft of the fabric main body are the same in composition; the warp of the fabric main body comprises 72D/24F composite gold and silver threads, 100D/38F cotton threads and 50D/24F DTY polyester threads, and the composite gold and silver threads are positioned on the upper parts of the weft of the fabric main body; the 100D/38F human cotton yarn and the 50D/24F DTY polyester yarn are adjacent and positioned at the lower part of the weft of the fabric main body.

By adopting the technical scheme, the gold and silver thread composite fabric with the twill weave pattern can be prepared, and the fabric has good air permeability, antibacterial property, antistatic property and crease resistance, is soft and smooth in hand feeling, is skin-friendly and is comfortable to wear.

Preferably, the fabric main body comprises jacquard weave and ground weave; the ground weave is formed by interweaving warp yarns and weft yarns according to a double-weft weave structure; the warp comprises composite gold and silver threads with the specification of 72D/24F and lyocell fibers; the weft yarns comprise composite gold and silver yarns with the specification of 72D/24F and inner wefts; the inner weft is viscose fiber.

By adopting the technical scheme, the jacquard gold and silver thread composite fabric can be prepared, patterns of the fabric can be designed according to customer requirements, the styles are various, the market requirements are met, and the prepared composite fabric has good moisture absorption and breathability, antibacterial property, antistatic property and crease resistance, is soft and smooth in hand feeling and skin-friendly, and is comfortable to wear.

In a second aspect, the application provides a preparation method of a metallic thread composite fabric, which adopts the following technical scheme:

a preparation method of a metallic yarn composite fabric comprises the following steps:

weighing nylon 66 slices, coloring dye and antibacterial nylon master batch according to the proportion, and stirring and mixing for 10-20min at the speed of 600 plus 900 rpm;

heating to 90-120 ℃ under the protection of nitrogen, drying for 12-20h, adding into a spinning screw extruder for hot melt mixing to prepare a mixed melt, spinning by using a spinning box, and cooling to obtain primary composite filaments;

thirdly, oiling, curling and forming, stretching in multiple stages and heat setting are carried out on the as-spun composite yarn to obtain a composite metallic yarn;

and step four, weaving to obtain the finished fabric by using the composite metallic yarns as one of the warps and the wefts of the fabric main body.

The spinning equipment that this application technology adopted is comparatively conventional, and the spinning production through the compound gold and silver line of control technical parameter is easily realized, requires relatively lowly to technical staff and operation, is convenient for carry out industrial production, reduction in production cost, and follow-up need not add antiseptic and antistatic auxiliary agent at the dyeing and finishing in-process of this application surface fabric in addition, can reduce the dyeing and finishing degree of difficulty and dyeing and finishing cost, and then reduces the holistic manufacturing cost of this application.

Preferably, the spinning oil used in the oiling operation of the nascent composite yarn in the third step is prepared from the following raw materials in parts by weight: 100 parts of deionized water, 55 parts of polyethylene glycol, 25 parts of potassium octadecyl phosphate, 15 parts of polyoxyethylene ether and 5 parts of organosilicon quaternary ammonium salt antibacterial agent.

By adopting the technical scheme, the polyethylene glycol is used as an emulsifier and can improve the wettability of the composite gold and silver thread; the friction coefficient and the antistatic property of the composite gold and silver thread are improved by the potassium octadecyl phosphate, and the wettability of the composite gold and silver thread is further improved by the polyoxyethylene ether, so that the composite gold and silver thread is softer; the organosilicon quaternary ammonium salt antibacterial agent is added for preventing the spinning oil from deteriorating and reducing the cost, and in addition, the antibacterial property of the prepared fabric is improved, the flexibility of the composite gold and silver thread is further improved, the spinning difficulty is reduced, the spinning processing is convenient, and the overall production cost is reduced.

Preferably, the extrusion temperature of the spinning screw extruder is divided into five zones, namely a first zone at 280 +/-3 ℃, a second zone at 268 +/-5 ℃, a third zone at 255 +/-5 ℃, a fourth zone at 240 +/-5 ℃ and a fifth zone at 230 +/-5 ℃ from near to far according to the distance from an extrusion opening; the extrusion pressure of the spinning screw extruder is 160-²(ii) a The residence time of the mixed melt in the spinning screw extruder was 500. + -.10 s.

By adopting the technical scheme, the quality of each batch of fabric can be ensured by adopting a mode of reasonably controlling the technical parameters of the composite metallic yarns, the processing stability is ensured, and better customer satisfaction is obtained.

In summary, the present application has the following advantages:

1. this application has better bacterinertness and antistatic properties and bacterinertness and antistatic properties are comparatively lasting, and this application surface fabric need not add antiseptic and antistatic auxiliary agent at dyeing and finishing in-process, can reduce the dyeing and finishing degree of difficulty and dyeing and finishing cost, and then reduces the holistic manufacturing cost of this application.

2. The process has the advantages of easy realization of spinning production, relatively low requirements on technical personnel and operation, convenience for industrial production and reduction of production cost.

Drawings

FIG. 1 is a view of the weft interface in example 1 of the present application.

FIG. 2 is a view of the weft interface in example 2 of the present application.

In the figure, 2, a gold and silver composite line is formed; 20. lyocell fibers; 3. 50D/24F DTY polyester yarn; 4. 100D/38F human cotton silk; 40. and (4) weft insertion.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples.

Raw materials

Preparation example

Preparation example 1

The preparation method of the sterilization 4A molecular sieve powder comprises the steps of weighing 2.0kg of 4A molecular sieve powder, putting the powder into a muffle furnace to be heated to 420 ℃ for 1 hour, transferring the powder into a stirring tank, spraying 50g of water in an atomizing mode at 200rpm for five times at intervals of 2 minutes, adding 400g of silver chloride powder, stirring the silver chloride powder for 10 minutes at 400rpm, and finally drying the silver chloride powder in a dryer to obtain the sterilization 4A molecular sieve powder.

The preparation of the antibacterial nylon master batch comprises the steps of weighing 10kg of nylon 66 slices, 50g of sterilization 4A molecular sieve powder, 200g of conductive polyaniline powder sieved by a 200-mesh sieve, 100g of germanium powder, 50g of scutellaria extract powder and 30g of cocamidopropyl betaine, placing the materials in a stirring tank, stirring and mixing the materials at 300rpm for 10min to obtain a first-stage mixed material, adding the first-stage mixed material into a spinning screw extruder (commercially available, model MYSJ-52B Nanjing Mei Mi)Inferior rubber and plastic machinery manufacturing limited), the extrusion temperature of the spinning screw extruder is divided into five zones, and the five zones are divided into a first zone at 280 ℃, a second zone at 268 ℃, a third zone at 255 ℃, a fourth zone at 240 ℃ and a fifth zone at 230 ℃ from near to far according to the distance from the extrusion port; the extrusion pressure of the spinning screw extruder was 165kg/cm²(ii) a The residence time of the mixed melt in the spinning screw extruder is 400s, and the antibacterial nylon master batch is obtained through extrusion, water cooling and granulation.

Preparation example 2

The preparation method of the silver dye comprises the steps of screening mica powder by a 200-mesh screen, weighing 100g of screened mica powder and 100kg of deionized water, placing the screened mica powder and 100kg of deionized water in a reaction kettle, controlling the stirring speed to be 500rpm, mixing and stirring for 5min, and heating the mixture to 90 ℃ in the stirring process; then regulating the rotation speed to 200rpm, dropwise adding 5% sulfuric acid until the pH value is 3.5 +/-0.1, regulating the rotation speed to 360rpm, and adding 0.2mol/L TiOCl₂And (3) the solution is dissolved until the mixed solution develops silver color, then the rotation speed is adjusted to 200rpm, 5% barium hydroxide is dripped until the pH value is 7.5 +/-0.1 to obtain a mixed solution A, then the rotation speed is adjusted to 200rpm, an isovolumetric 0.5mol/L sodium silicate solution is added into the mixed solution A to obtain a mixed solution B, a coupling agent is added into the mixed solution B, the mixture B is stirred and maintained for 10min, then the mixture B is subjected to suction filtration and drying, finally, the mixture B is fired at 388 ℃ for 0.3h, and the mixture B is subjected to ball milling and 200-mesh screen screening to obtain silver dye powder.

Preparation example 3

Preparing a spinning oiling agent: 10kg of deionized water, 5.5kg of polyethylene glycol, 2.5kg of potassium octadecyl phosphate, 1.5kg of polyoxyethylene ether and 0.5kg of organosilicon quaternary ammonium salt antibacterial agent are weighed and placed in a stirring tank, and stirred and mixed for 20min at 500 rpm.

Preparation example 4

The preparation method of the sterilization 4A molecular sieve powder comprises the steps of weighing 2.0kg of 4A molecular sieve powder, putting the powder into a muffle furnace to be heated to 420 ℃ for 1 hour, transferring the powder into a stirring tank, spraying 50g of water in an atomizing mode at 200rpm for five times at intervals of 2 minutes, adding 400g of silver chloride powder, stirring the silver chloride powder for 10 minutes at 400rpm, and finally drying the silver chloride powder in a dryer to obtain the sterilization 4A molecular sieve powder.

Preparing an antibacterial nylon master batch, weighing 10kg of nylon 66 slices, 50g of sterilization 4A molecular sieve powder, 200g of conductive polyaniline powder and 30g of cocamidopropyl betaine, placing the materials in a stirring tank, stirring and mixing the materials at 300rpm for 10min to obtain a first-grade mixed material, adding the first-grade mixed material into a spinning screw extruder, dividing the extrusion temperature of the spinning screw extruder into five regions, and dividing the regions into a first region at 280 ℃, a second region at 268 ℃, a third region at 255 ℃, a fourth region at 240 ℃ and a fifth region at 230 ℃ from near to far according to the distance from an extrusion port; the extrusion pressure of the spinning screw extruder was 165kg/cm²(ii) a The residence time of the mixed melt in the spinning screw extruder is 400s, and the antibacterial nylon master batch is obtained through extrusion, water cooling and granulation.

Preparation example 5

The preparation method of the sterilization 4A molecular sieve powder comprises the steps of weighing 2.0kg of 4A molecular sieve powder, putting the powder into a muffle furnace to be heated to 420 ℃ for 1 hour, transferring the powder into a stirring tank, spraying 50g of water in an atomizing mode at 200rpm for five times at intervals of 2 minutes, adding 400g of silver chloride powder, stirring the silver chloride powder for 10 minutes at 400rpm, and finally drying the silver chloride powder in a dryer to obtain the sterilization 4A molecular sieve powder.

Preparing an antibacterial nylon master batch, weighing 10kg of nylon 66 slices, 50g of sterilization 4A molecular sieve powder and 200g of silver powder, placing the slices, the powder and the silver powder in a stirring tank, stirring and mixing the slices and the powder for 10min at 300rpm to obtain a first-stage mixed material, adding the first-stage mixed material into a spinning screw extruder, dividing the extrusion temperature of the spinning screw extruder into five regions, and dividing the regions into a first region at 280 ℃, a second region at 268 ℃, a third region at 255 ℃, a fourth region at 240 ℃ and a fifth region at 230 ℃ according to the distance from an extrusion port; the extrusion pressure of the spinning screw extruder was 165kg/cm²(ii) a The residence time of the mixed melt in the spinning screw extruder is 400s, and the antibacterial nylon master batch is obtained through extrusion, water cooling and granulation.

Examples

Example 1

Referring to fig. 1, the metallic composite fabric disclosed in the present application includes a fabric main body, and the fabric main body is formed by weaving warps and wefts. The weave of the fabric main body is twill weave, the warp and weft density of the fabric main body is 240 pieces/10 cm, the warp density of the fabric main body is 140 pieces/10 cm, and the weft density of the fabric main body is 100 pieces/10 cm. The warp threads of the fabric main body are composed of 72D/24F composite gold and silver threads 2, 100D/38F rayon threads 4 and 50D/24F DTY polyester threads 3, and the number ratio of the 72D/24F composite gold and silver threads 2, 100D/38F rayon threads 4 and 50D/24F DTY polyester threads 3 is 1:1: 1. The composite metallic yarns 2 are positioned on the upper parts of the wefts of the fabric main body. The adjacent 100D/38F rayon yarns 4 and 50D/24F DTY polyester yarns 3 are positioned between the adjacent composite metallic yarns 2 and positioned at the lower part of the weft of the fabric main body. The composite metallic yarn 2 is prepared from the following raw materials in parts by weight: 100 parts of nylon 66 chips, 8.5 parts of silver dye powder in preparation example 2 and 10.5 parts of antibacterial nylon master batch in preparation example 1.

A preparation method of a metallic yarn composite fabric comprises the following steps:

step one, weighing 10kg of nylon 66 slices, 0.85kg of silver dye powder in preparation example 2 and 1.05kg of antibacterial nylon master batch in preparation example 1 according to the proportion, putting into a stirring tank, and stirring and mixing for 12min at 600 rpm;

step two, transferring the mixture obtained in the step 1 into an oven, introducing nitrogen for protection, heating to 105 ℃, drying for 20 hours, adding the mixture into a spinning screw extruder (commercially available, model MYSJ-52B Nanjing Meiya rubber and plastic machinery manufacturing company, Ltd.) for hot melting and mixing to prepare a mixed melt, wherein the extrusion temperature of the spinning screw extruder is divided into five zones, and the five zones are divided into a first zone at 280 ℃, a second zone at 268 ℃, a third zone at 255 ℃, a fourth zone at 240 ℃ and a fifth zone at 230 ℃ according to the distance from an extrusion port; the extrusion pressure of the spinning screw extruder was 190kg/cm²(ii) a The retention time of the mixed melt in a spinning screw extruder is 500s, a spinning box (sold in the market, model PRTYL Jiangsu Puruiting mechanical equipment Co., Ltd.) is adopted for spinning, the obtained spinning is cooled by three-stage pulse air blowing, the first stage air speed of the three-stage pulse air blowing cooling is 0.4m/s, and the temperature is 25 ℃; the wind speed of the second section is 0.6m/s, and the temperature is 4 ℃; the third section wind speed is 0.8m/s, the temperature is 4 ℃, and the primary composite filament is obtained by cooling;

step three, preparing the composite metallic yarns 2;

step 3.1, oiling the as-spun composite yarn by using the spinning oiling aid in the preparation example 3, and curling and forming;

step 3.2, five-stage stretching, wherein the five-stage stretching temperature is respectively 78 ℃, 85 ℃, 88 ℃, 92 ℃ and 110 ℃, and the stretching speed is controlled to be 5.5;

3.3, finishing heat setting by adopting a hot plate with the plate surface temperature of 275 ℃ to obtain the composite metallic yarns;

step four, adopting composite gold and silver threads, 100D/38F cotton yarns and 50D/24F DTY polyester yarns as the warp threads and the weft threads of the fabric main body; the finished fabric with twill weave is obtained by weaving a twill and satin water jet loom (sold in the market, Qingdao Wanhua mechanical Co., Ltd.).

Example 2

Example 2 differs from example 1 in that: the antibacterial nylon master batch was replaced with the antibacterial nylon master batch in preparation example 4.

Example 3

Example 3 differs from example 1 in that: the silver pigment in preparation example 2 was replaced with gold pearl powder.

Example 4

Example 4 differs from example 2 in that: the silver pigment in preparation example 2 was replaced with gold pearl powder.

Example 5

Referring to fig. 2, the metallic composite fabric disclosed in the present application includes a fabric main body, and the fabric main body is formed by weaving warps and wefts. The fabric main body comprises jacquard weave and ground weave. The surface texture adopts 16 flying-weft surface satins with 5 flying-weft surfaces, the inner texture adopts 8 flying-weft surface satins with 5 flying-weft surfaces, the number of weft floating points of the surface weft is equal to 15, the number of weft floating points of the inner weft is equal to 7, and the floating length of the surface weft well covers the inner weft. The ground weave is formed by interweaving warp yarns and weft yarns by adopting a double weft weave structure, the double weft weave structure can show diversified colors and layers by using the combination of the number of groups and colors of the weft yarns, and the double weft weave structure of the embodiment adopts a weft double weave structure. The weft yarns comprise surface wefts and lining wefts 40, and the lining wefts 40 adopt viscose fibers, in particular to lanjing modal fibers; and the surface weft adopts a 72D/24F composite metallic thread 2. The warp yarns comprise composite gold and silver yarns 2 with the specification of 72D/24F and lyocell fibers 20 with the specification of 72D/24F. The composite metallic yarn 2 is prepared from the following raw materials in parts by weight: 100 parts of nylon 66 chips, 8.5 parts of silver dye powder in preparation example 2 and 10.5 parts of antibacterial nylon master batch in preparation example 1.

A preparation method of a metallic yarn composite fabric comprises the following steps:

step one, weighing 10kg of nylon 66 slices, 0.85kg of silver dye powder in preparation example 2 and 1.05kg of antibacterial nylon master batch in preparation example 1 according to the proportion, putting into a stirring tank, and stirring and mixing for 12min at 600 rpm;

step two, transferring the mixture obtained in the step 1 into an oven, introducing nitrogen for protection, heating to 105 ℃, drying for 20 hours, adding the mixture into a spinning screw extruder (commercially available, model MYSJ-52B Nanjing Meiya rubber and plastic machinery manufacturing company, Ltd.) for hot melting and mixing to prepare a mixed melt, wherein the extrusion temperature of the spinning screw extruder is divided into five zones, and the five zones are divided into a first zone at 280 +/-3 ℃, a second zone at 268 ℃, a third zone at 255 ℃, a fourth zone at 240 ℃ and a fifth zone at 230 ℃ according to the distance from an extrusion port; the extrusion pressure of the spinning screw extruder was 190kg/cm²(ii) a The retention time of the mixed melt in a spinning screw extruder is 500s, a spinning box (sold in the market, model PRTYL Jiangsu Puruiting mechanical equipment Co., Ltd.) is adopted for spinning, the obtained spinning is cooled by three-stage pulse air blowing, the first stage air speed of the three-stage pulse air blowing cooling is 0.4m/s, and the temperature is 25 ℃; the wind speed of the second section is 0.6m/s, and the temperature is 4 ℃; the third section wind speed is 0.8m/s, the temperature is 4 ℃, and the primary composite filament is obtained by cooling;

step three, preparing the composite metallic yarns 2;

step 3.1, oiling the as-spun composite yarn by using the spinning oiling aid in the preparation example 3, and curling and forming;

step 3.2, five-stage stretching, wherein the five-stage stretching temperature is respectively 78 ℃, 85 ℃, 88 ℃, 92 ℃ and 110 ℃, and the stretching speed is controlled to be 5.5;

3.3, finishing heat setting by adopting a hot plate with the plate surface temperature of 275 ℃ to obtain the composite metallic yarns;

fourthly, adopting 72D/24F composite gold and silver wires and 100D lanjing modal as main warp threads of the fabric; fibers; and the surface wefts in the main body weft of the fabric are made of 72D/24F composite gold and silver yarns, and the inner wefts are made of 100D lyocell fibers, so that the finished fabric with twill weave is obtained.

Example 6

Example 6 differs from example 5 in that: the antibacterial nylon master batch was replaced with the antibacterial nylon master batch in preparation example 4.

Example 7

Example 7 differs from example 5 in that: the silver pigment in preparation example 2 was replaced with gold pearl powder.

Example 8

Example 8 differs from example 6 in that: the silver pigment in preparation example 2 was replaced with gold pearl powder.

Comparative example

Comparative example 1

Comparative example 1 differs from example 1 in that: the antibacterial nylon master batch was replaced with the antibacterial nylon master batch in preparation example 5.

Comparative example 2

Comparative example 2 differs from example 5 in that: the antibacterial nylon master batch was replaced with the antibacterial nylon master batch in preparation example 5.

Performance test

1. And (3) antibacterial testing: the fabrics prepared in examples 1-8 and the fabrics prepared in comparative examples 1-2 were tested according to FZ/T73023 and 2006.

2. Antistatic test: the fabrics prepared in examples 1-8 and the fabrics prepared in comparative examples 1-2 were tested according to FZ/T01060-1999.

Detection method

Table 1 shows the test parameters of examples 1 to 8 and comparative examples 1 to 2

As can be seen by combining examples 1-8 and table 1, the antibacterial property of the composite fabrics prepared in examples 1-8 of the application reaches 3A level, and the antistatic property is less than 7.0 μ C/m²Meets the national 3A antibacterial standard, is safer and more sanitary to wear, has the antistatic performance meeting the national standard and reduces the staticThe electric harm is more skin-friendly and comfortable.

As can be seen by combining examples 1-8 and comparative examples 1-2 with Table 1, the antibacterial properties of the composite fabrics prepared in examples 1-8 of the present application reach the same level of 3A as that of comparative examples 1-2, and the antistatic properties of the composite fabrics prepared in examples 1-8 of the present application reach 6.0 μ C/m²The antistatic property of the composite fabric is close to that of the comparative examples 1-2, so that the production cost can be effectively reduced by adopting the polyaniline conductive material with reduced cost to replace silver powder, the antistatic property and the antibacterial property of the composite fabric can be ensured, and the antibacterial and antistatic auxiliary agents do not need to be added in the dyeing and finishing stage, so that the dyeing and finishing difficulty and the dyeing and finishing cost are reduced.

In addition, germanium powder and scutellaria baicalensis extract powder are added in the fabric, the sterilization effect is achieved, human blood circulation can be promoted, the health care function is achieved, and the fabric has a better market prospect.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.