阅读说明：本技术 一种弹性面料及其制备方法 (Elastic fabric and preparation method thereof ) 是由 张伟光 张庆丰 曾世祀 黄秀霞 苏锡武 于 2020-07-30 设计创作，主要内容包括：本发明涉及服装技术领域,公开了一种弹性面料,包括基布层和弹力胶层,所述弹力胶层包括以下重量份的组分：天然橡胶100份、硫磺1.5～2份、促进剂2.5～3.5份、纳米氧化锌4～6份、硬脂酸1～3份、防老剂2～3份和补强剂18～30份；还公开了一种弹性面料的制备方法,将除硫磺外的所有原料组分送入密炼机中进行混炼,混炼完成后排胶；再送入滤胶机进行过滤,去除胶料中的杂质；混炼胶先经热炼后,送入开炼机,加入硫磺,翻炼至胶料光滑均匀,冷却备用；将胶料热炼后,送入压延机进行压延,然后送入平带硫化机并与基布一次成型硫化；本发明能够使基布层与弹力胶层一次直接性成型且结合牢固,弹性面料拉伸强度好,撕裂强度高,回弹力高,柔软度佳。(The invention relates to the technical field of clothes, and discloses an elastic fabric which comprises a base fabric layer and an elastic adhesive layer, wherein the elastic adhesive layer comprises the following components in parts by weight: 100 parts of natural rubber, 1.5-2 parts of sulfur, 2.5-3.5 parts of an accelerator, 4-6 parts of nano zinc oxide, 1-3 parts of stearic acid, 2-3 parts of an anti-aging agent and 18-30 parts of a reinforcing agent; sending all raw material components except sulfur into an internal mixer for mixing, and discharging rubber after mixing is finished; then sending the mixture into a rubber filter for filtering to remove impurities in the rubber material; the rubber compound is firstly heated and then sent into an open mill, sulfur is added, the rubber compound is turned over until the rubber compound is smooth and uniform, and the rubber compound is cooled for standby; after the sizing material is heated, the sizing material is sent to a calender for calendering, then sent to a flat belt vulcanizing machine and is molded and vulcanized with the base cloth in one step; the elastic fabric can ensure that the base fabric layer and the elastic adhesive layer are directly formed at one time and are firmly combined, and the elastic fabric has the advantages of good tensile strength, high tearing strength, high resilience and good softness.)

1. The elastic fabric is characterized by comprising a base fabric layer and an elastic adhesive layer, wherein the elastic adhesive layer comprises the following components in parts by weight: 100 parts of natural rubber, 1.5-2 parts of sulfur, 2.5-3.5 parts of an accelerator, 4-6 parts of nano zinc oxide, 1-3 parts of stearic acid, 2-3 parts of an anti-aging agent and 18-30 parts of a reinforcing agent.

2. The elastic fabric according to claim 1, wherein the elastic fabric comprises 100 parts of natural rubber, 1.5-1.7 parts of sulfur, 2.5-3 parts of accelerator, 4.5-5.5 parts of nano zinc oxide, 1-3 parts of stearic acid, 2-2.5 parts of anti-aging agent and 18-30 parts of reinforcing agent.

3. The elastic fabric of claim 2, wherein the reinforcing agent is carbon black.

4. The elastic fabric of claim 3, wherein the elastic glue layer comprises the following components in parts by weight: 100 parts of natural rubber, 1.6 parts of sulfur, 2.5 parts of accelerator, 5 parts of nano zinc oxide, 2 parts of stearic acid, 2.2 parts of anti-aging agent and 20 parts of carbon black.

5. The elastic fabric of claim 2, wherein the elastic glue layer further comprises the following components in parts by weight: 25-40 parts of calcium carbonate, 5-7 parts of titanium dioxide and 0.7-1 part of color master batch, wherein the reinforcing agent is white carbon black.

6. The elastic fabric of claim 5, wherein the elastic glue layer comprises the following components in parts by weight: 100 parts of natural rubber, 1.6 parts of sulfur, 2.5 parts of accelerator, 5 parts of nano zinc oxide, 2 parts of stearic acid, 2.2 parts of anti-aging agent, 20 parts of white carbon black, 30 parts of calcium carbonate, 6 parts of titanium dioxide and 0.8 part of color masterbatch.

7. The elastic fabric according to any one of claims 1 to 6, wherein the accelerator comprises an accelerator TMTM, an accelerator M and an accelerator DM, and the mass ratio of the accelerator TMTM, the accelerator M and the accelerator DM is 1: 1: 0.5.

8. the elastic fabric according to any one of claims 1 to 6, wherein the anti-aging agent comprises styrenated phenol and 2-mercaptobenzimidazole, and the mass ratio of styrenated phenol to 2-mercaptobenzimidazole is 1.6: 0.6.

9. a method for preparing an elastic fabric according to any one of claims 1 to 8, characterized by comprising the following steps:

(1) feeding all raw material components except sulfur into an internal mixer for mixing, and discharging rubber after mixing is finished;

(2) after the rubber compound discharged in the step (1) is turned and refined to be uniform and smooth, the rubber compound is cut into strips, and the strips are sent to a rubber filter for filtering to remove impurities in the rubber material;

(3) pressing the rubber compound filtered in the step (2) back into a sheet shape, drying the sheet shape by isolated cooling water, and standing for later use;

(4) the rubber compound treated in the step (3) is firstly heated and then sent into an open mill, sulfur is added, the rubber compound is turned over and refined until the rubber compound is smooth and uniform, and the rubber compound is dried in the air by isolation cooling water and is stored for later use;

(5) after the sizing material treated in the step (4) is heated, feeding the sizing material into a calender for calendering, then feeding the sizing material into a flat belt vulcanizing machine and carrying out one-step forming vulcanization on the sizing material and the base cloth;

(6) cooling and coiling the elastic adhesive layer vulcanized in the step (5) by an auxiliary machine, and then packaging;

preferably, the mixing of step (1) comprises the following steps:

a: adding natural rubber, white carbon black and titanium dioxide into an internal mixer, or adding the natural rubber and the carbon black into the internal mixer, adjusting the temperature to 100 +/-5 ℃, pressurizing to 15 +/-2 MPa, and mixing for 10 +/-2 s;

b: lifting the suppository, pressurizing to 15 +/-2 MPa, and keeping for 15 +/-2 s until the temperature reaches 105 +/-5 ℃;

c: adding the rest materials, continuously mixing for 15 + -2 s, and pressurizing to 12 + -2 MPa until the temperature reaches 110 + -5 deg.C;

d: lifting the suppository, pressurizing to 12 +/-2 MPa, and keeping for 20 +/-2 s until the temperature reaches 115 +/-5 ℃;

e: lifting the suppository, pressurizing to 15 +/-2 MPa, and keeping for 20 +/-2 s until the temperature reaches 120 +/-5 ℃;

f: lifting the suppository, pressurizing to 15 +/-2 MPa, keeping for 20 +/-2 s until the temperature reaches 130 +/-5 ℃, and discharging the glue.

10. The method for preparing an elastic fabric according to claim 9, wherein the molding vulcanization in the step (5) has the following process parameters: the temperature is 180 +/-5 ℃, the pressure is 5-8 MPa, and the speed is 0.8 +/-0.05 m/min.

Technical Field

The invention relates to the technical field of clothes, in particular to an elastic fabric and a preparation method thereof.

Background

The body shaping clothes can be properly pressed on the abdomen, buttocks, thighs and other parts of a human body to support or tighten and relax drooping muscles and adjust poor postures, and further, the body shaping clothes are shaped into a beautiful and uniform body state, so that the body shaping clothes are widely popular among women. The body shaping clothes are usually made of elastic fabrics with stronger elasticity, and most of the elastic fabrics are composite fabrics with one surface being a rubber sheet and the other surface being a textile fabric; the existing composite fabric is bonded with the rubber sheet and the fabric through the adhesive, the adhesive is water-soluble, the adhesive and the fabric are easy to separate, and particularly, the fabric and the rubber sheet are basically separated after being washed, so that the rebound body shaping effect is not achieved, and the shaping effect is influenced.

Disclosure of Invention

The invention aims to provide an elastic fabric and a preparation method thereof, which can ensure that a base fabric layer and an elastic adhesive layer are directly formed at one time and are firmly combined, and the elastic fabric has the advantages of good tensile strength, high tearing strength, high resilience and good softness.

In order to achieve the purpose, the invention provides an elastic fabric which comprises a base fabric layer and an elastic adhesive layer, wherein the elastic adhesive layer comprises the following components in parts by weight: 100 parts of natural rubber, 1.5-2 parts of sulfur, 2.5-3.5 parts of an accelerator, 4-6 parts of nano zinc oxide, 1-3 parts of stearic acid, 2-3 parts of an anti-aging agent and 18-30 parts of a reinforcing agent. Wherein, the base cloth layer is made of elastic fabric. Wherein, the base cloth layer is a fabric, and the fabric has elasticity. Preferably, the elastic glue layer further comprises 0.1-0.2 part of perfume, and the smell of the elastic glue layer can be adjusted.

The preferable scheme of the invention comprises 100 parts of natural rubber, 1.5-1.7 parts of sulfur, 2.5-3 parts of accelerator, 4.5-5.5 parts of nano zinc oxide, 1-3 parts of stearic acid, 2-2.5 parts of anti-aging agent and 18-30 parts of reinforcing agent.

In a preferred embodiment of the present invention, the reinforcing agent is carbon black, and a black elastic rubber layer can be obtained.

As a preferable scheme of the invention, the elastic glue layer comprises the following components in parts by weight: 100 parts of natural rubber, 1.6 parts of sulfur, 2.5 parts of accelerator, 5 parts of nano zinc oxide, 2 parts of stearic acid, 2.2 parts of anti-aging agent and 20 parts of carbon black.

As a preferable scheme of the invention, the elastic glue layer further comprises the following components in parts by weight: 25-40 parts of calcium carbonate, 5-6 parts of titanium dioxide and 0.7-1 part of color master batch, wherein the reinforcing agent is white carbon black, and a white or colored elastic adhesive layer can be prepared.

As a preferable scheme of the invention, the elastic glue layer comprises the following components in parts by weight: 100 parts of natural rubber, 1.6 parts of sulfur, 2.5 parts of accelerator, 5 parts of nano zinc oxide, 2 parts of stearic acid, 2.2 parts of anti-aging agent, 20 parts of white carbon black, 30 parts of calcium carbonate, 6 parts of titanium dioxide and 0.8 part of color masterbatch.

In a preferred embodiment of the present invention, the accelerator includes an accelerator TMTM, an accelerator M, and an accelerator DM, and the mass ratio of the accelerator TMTM, the accelerator M, and the accelerator DM is 1.0: 1.0: 0.5. the accelerator TMTM (chemical name: tetramethylthiuram monosulfide) is a non-discoloring and non-polluting super accelerator, can enable rubber materials to achieve a better vulcanization effect, can be used as an effective activator in a thiazole accelerator M (chemical name: 2-mercaptobenzothiazole) and thiazole accelerator DM (chemical name: 2, 2' -dithiodibenzothiazyl) combined system, and can be used as a second accelerator, so that the vulcanization speed is increased, the vulcanization time is shortened, and the accelerator M and the accelerator DM are well dispersed; the accelerant TMTM of thiuram has excellent scorch resistance and high safety; moreover, the accelerant M and the accelerant DM have a certain plasticizing effect on the natural rubber, are beneficial to processing the rubber material, and can ensure that the comprehensive physical property of the rubber material is better.

In a preferred embodiment of the invention, the anti-aging agent comprises styrenated phenol and 2-mercaptobenzimidazole, and the mass ratio of the styrenated phenol to the 2-mercaptobenzimidazole is 1.6: 0.6. styrenated phenol is an anti-aging agent with medium strength, has good protection effect on aging such as thermal oxidation, weather and light deflection, and is easy to disperse, free of color change and pollution. The 2-thiol benzimidazole can reduce the color change of rubber during vulcanization, and the rubber is not discolored and polluted. Experiments show that the styrenated phenol and the 2-thiol benzimidazole are used together according to a certain proportion, so that an obvious synergistic effect can be obtained, and the anti-aging performance of the rubber product is effectively enhanced.

All the raw materials of the invention meet the requirements of civil clothes, and the elastic fabric can be used for preparing body shaping clothes.

The invention also provides a preparation method of the elastic fabric, which is characterized by comprising the following steps:

(1) feeding all raw material components except sulfur into an internal mixer for mixing, and discharging rubber after mixing is finished;

(2) after the rubber compound discharged in the step (1) is turned and refined to be uniform and smooth, the rubber compound is cut into strips, and the strips are sent to a rubber filter for filtering to remove impurities in the rubber material; preferably, the stainless steel filter screen of the rubber filter is circular and consists of two layers of filter screens with 20 meshes and 40 meshes respectively;

(3) pressing the rubber compound filtered in the step (2) back into a sheet shape, drying the sheet shape by isolated cooling water, and standing for later use; preferably, the flaky mixed rubber is cooled to below 45 ℃, and then is folded and placed in an iron stand for standing for more than 6 hours;

(4) the rubber compound treated in the step (3) is firstly heated and then sent into an open mill, sulfur is added, the rubber compound is turned over and refined until the rubber compound is smooth and uniform, and the rubber compound is dried in the air by isolation cooling water and is stored for later use; preferably, the heat refining in the step can be carried out in an open mill or an internal mixer, the roller distance is adjusted to control the thickness of the rubber compound to be 8-10 mm, and the compounding agent and the rubber compound are further uniformly dispersed by a rubber turning device;

(5) after the sizing material treated in the step (4) is heated, feeding the sizing material into a calender for calendering, then feeding the sizing material into a flat belt vulcanizing machine and carrying out one-step forming vulcanization on the sizing material and the base cloth; in the step, the flat belt vulcanizing machine is selected according to the required patterns;

(6) cooling and coiling the elastic adhesive layer vulcanized in the step (5) by an auxiliary machine, and then packaging;

preferably, the mixing of step (1) comprises the following steps:

a: adding natural rubber, white carbon black and titanium dioxide into an internal mixer, or adding the natural rubber and the carbon black into the internal mixer, adjusting the temperature to 100 +/-5 ℃, pressurizing to 15 +/-2 MPa, and mixing for 10 +/-2 s;

b: lifting the suppository, pressurizing to 15 +/-2 MPa, and keeping for 15 +/-2 s until the temperature reaches 105 +/-5 ℃;

c: adding the rest materials, continuously mixing for 15 + -2 s, and pressurizing to 12 + -2 MPa until the temperature reaches 110 + -5 deg.C;

d: lifting the suppository, pressurizing to 12 +/-2 MPa, and keeping for 20 +/-2 s until the temperature reaches 115 +/-5 ℃;

e: lifting the suppository, pressurizing to 15 +/-2 MPa, and keeping for 20 +/-2 s until the temperature reaches 120 +/-5 ℃;

f: heating, pressurizing to 15 + -2 MPa, maintaining for 20 + -2 s until the temperature reaches 130 + -5 deg.C,

and (6) discharging the glue.

As a preferable scheme of the invention, the molding vulcanization in the step (5) has the following process parameters: the temperature is 180 +/-5 ℃, the pressure is 5-8 MPa, and the speed is 0.8 +/-0.05 m/min.

Compared with the prior art, the elastic fabric provided by the embodiment of the invention has the beneficial effects that:

the elastic fabric prepared by the invention has good tensile strength, high tearing strength, high resilience and good softness; the base cloth layer and the elastic glue layer are directly formed at one time, the operation is simple and rapid, the working procedures are reduced, the base cloth layer and the elastic glue layer are firmly combined, and the base cloth layer and the elastic glue layer are not bonded by adhesives, so that zero formaldehyde and no peculiar smell are realized.

Detailed Description

To better illustrate the objects, aspects and advantages of the present invention, the present invention is further illustrated by the following examples. It is apparent that the following examples are only a part of the embodiments of the present invention, and not all of them. It should be understood that the embodiments of the present invention are only for illustrating the technical effects of the present invention, and are not intended to limit the scope of the present invention.