Warm-keeping sweat-absorbing knitted underwear and preparation method thereof

文档序号：891144 发布日期：2021-02-26 浏览：6次中文

阅读说明：本技术 一种保暖吸汗针织内衣及其制备方法 (Warm-keeping sweat-absorbing knitted underwear and preparation method thereof ) 是由何军浩于 2020-11-03 设计创作，主要内容包括：本发明公开了一种保暖吸汗针织内衣,包含双层面料,内层为保暖层,外层为吸汗层,所述内层的原料按质量配比由石墨烯纳米纤维20-40份、竹碳纤维20-60份和棉纤维40-60份组成,外层按质量配比由十字型横截面PTT纤维20-50份、竹碳纤维20-40份和棉纤维30-60份组成；此外还公开了保暖吸汗针织内衣的制备方法。本发明的有益效果至少包括：通过衣物内层面料的设置以及制备工艺的改进,提高内衣保暖的效果,提升功能性；通过衣物外层面料的设置以及制备工艺的改进,提高内衣的吸汗功能,避免因穿衣厚出汗而导致的汗液无法排出,提高舒适性。(The invention discloses a thermal-insulation sweat-absorbent knitted underwear which comprises a double-layer fabric, wherein the inner layer is a thermal-insulation layer, the outer layer is a sweat-absorbent layer, raw materials of the inner layer consist of 20-40 parts of graphene nano fibers, 20-60 parts of bamboo carbon fibers and 40-60 parts of cotton fibers according to the mass ratio, and the outer layer consists of 20-50 parts of cross-shaped cross-section PTT fibers, 20-40 parts of bamboo carbon fibers and 30-60 parts of cotton fibers according to the mass ratio; in addition, a preparation method of the warm-keeping sweat-absorbing knitted underwear is also disclosed. The beneficial effects of the invention at least comprise: by the arrangement of the inner layer fabric of the clothes and the improvement of the preparation process, the heat-insulating effect of the underwear is improved, and the functionality is improved; through the arrangement of the outer fabric of the clothes and the improvement of the preparation process, the sweat absorption function of the underwear is improved, the phenomenon that sweat is discharged due to thick sweat during wearing is avoided, and the comfort is improved.)

1. The utility model provides a cold-proof sweat-absorbing knitted underwear, contains double-deck surface fabric, and the inlayer is cold-proof layer, and the skin is sweat-absorbing layer, its characterized in that: the inner layer is made of 20-40 parts of graphene nano fibers, 20-60 parts of bamboo carbon fibers and 40-60 parts of cotton fibers by mass ratio, and the outer layer is made of 20-50 parts of cross-shaped cross-section PTT fibers, 20-40 parts of bamboo carbon fibers and 30-60 parts of cotton fibers by mass ratio.

2. The thermal sweat-absorbent knitted undergarment according to claim 1, wherein: the mass content of graphene in the graphene nano-fibers is 1-3% of the total mass of the graphene nano-fibers.

3. The thermal sweat-absorbent knitted undergarment according to claim 2, wherein: the graphene component in the graphene nanofiber is subjected to chemical treatment in a chemical treatment mode, wherein the chemical treatment mode comprises one or more of oxidation, hydrogenation, nitridation, vulcanization, phosphorization or connection with an organic compound.

4. The thermal sweat-absorbent knitted undergarment according to claim 3, wherein: the organic compound attached to the graphene may be one of a resin including a phenol resin, an epoxy resin, a urea resin, an alkyd resin, a polyester resin, or a polyamide resin, an MOF, or an organic amine including polyaniline, polyimide, propylenediamine, butylenediamine, melamine, polyamide, or polyallylamine.

5. A method of manufacturing a thermal sweat-absorbent knitted undergarment according to any one of claims 1 to 4 wherein: the method comprises the following steps:

A. fully blending the graphene nano fibers/bamboo carbon fibers and the cotton fibers for the inner layer according to the mass ratio, and fully blending the PTT fibers/bamboo carbon fibers and the cotton fibers for the outer layer according to the mass ratio to obtain cotton slivers for the inner layer and the outer layer respectively;

B. b, weaving the inner and outer layers of cotton slivers obtained in the step A together according to the inner and outer layers of woven cloth to obtain cloth with a double-layer structure;

C. b, obtaining a cloth pattern for sewing by using the cloth obtained in the step B through a cutting process according to different purposes, wherein the purposes of the cloth comprise a coat or trousers;

D. c, using the cloth obtained in the step C to obtain the pre-formed underwear through a sewing process;

E. d, soaking the primarily formed underwear obtained in the step D in a hydrophilic treatment agent for 2-24 hours;

F. and E, carrying out post-treatment process on the underwear obtained in the step E to obtain a finished product of the thermal sweat-absorbing knitted underwear, wherein the post-treatment process comprises dehydration, tentering, preshrinking and calendering.

6. The method for manufacturing a thermal sweat-absorbent knitted undergarment according to claim 5, wherein: and E, the hydrophilic treatment agent consists of 15-30 parts of polyvinylpyrrolidone, 5-20 parts of ricinoleic acid, 2-4 parts of dimethylamine, 5-10 parts of triethanolamine and 30-60 parts of water according to the mass ratio.

7. The method for manufacturing a thermal sweat-absorbent knitted undergarment according to claim 6, wherein: the preparation method of the hydrophilic treatment agent comprises the following steps:

A. adding dimethylamine, ricinoleic acid, triethanolamine and water into a hydrothermal reaction kettle, transferring the hydrothermal reaction kettle into a thermostat, controlling the temperature at 110-;

B. after the reaction is finished, cooling to room temperature, taking the hydrothermal kettle out of the constant temperature box, and pouring the solution into a container;

C. heating the container to 50-80 ℃, adding polyvinylpyrrolidone and continuously stirring until the polyvinylpyrrolidone is completely dissolved to obtain the hydrophilic treatment agent.

8. The method for manufacturing a thermal sweat-absorbent knitted undergarment according to claim 5, wherein: and F, performing cropping and drying at 60-90 ℃.

Technical Field

The invention belongs to the field of knitted clothes, and particularly relates to a warm-keeping sweat-absorbing knitted underwear and a preparation method thereof.

Background

The development of the scientific technology produces different clothes materials, the adopted clothes materials are different, the wearing comfort of the knitted underwear is different, the different materials have different properties, and the finally prepared underwear has different functionality. People always need to wear a plurality of clothes to resist cold in winter, the people can not exercise when needing work life, a large amount of heat can not be discharged, and the discomfort caused by sweating can be avoided. The problem is solved by the underwear with good sweat absorbing performance, most of the existing underwear only adopts one material, so that the problem of sweat absorbing cannot be solved while the heat preservation performance is considered, the underwear for solving the problem of sweat absorbing cannot give consideration to heat preservation, the underwear with the heat preservation and the sweat absorbing performance needs to be developed, sweat generated by a human body can be absorbed on the premise that heat is not dissipated, and discomfort is avoided.

The patent name "a double-layer structure thermal knitted underwear and its preparation method" (application No. 201410414563.5, publication No. CN104188117A) discloses a double-layer structure thermal knitted underwear and its preparation method, the double-layer materials are identical, the problem of thermal insulation is solved, but the user may be uncomfortable due to poor sweat absorption of the underwear.

The patent name "production process of PTT fiber seamless knitted underwear with high moisture-conducting function" (application No. 201310206462.4, publication No. CN103361867A) discloses a production process of PTT fiber seamless knitted underwear with high moisture-conducting function, which utilizes the high moisture-conducting property of PTT fiber with cross-shaped cross section to prepare the knitted underwear with high moisture-conducting function, but fails to completely consider the heat-insulating property when solving the problems of moisture absorption and sweat releasing.

Disclosure of Invention

The invention aims to provide a thermal insulation sweat-absorbing knitted underwear and a preparation method thereof, so that the developed underwear has double effects of thermal insulation and sweat absorption, sweat cannot be discharged due to too thick dressing in winter is avoided, the thermal insulation function is improved, and the comfort is improved.

In order to achieve the purpose of the invention, the following scheme is provided:

the thermal-insulation sweat-absorbent knitted underwear comprises a double-layer fabric, wherein the inner layer is a thermal-insulation layer, the outer layer is a sweat-absorbent layer, raw materials of the inner layer comprise 20-40 parts by mass of graphene nano fibers, 20-60 parts by mass of bamboo carbon fibers and 40-60 parts by mass of cotton fibers, and the outer layer comprises 20-50 parts by mass of cross-shaped cross-section PTT fibers, 20-40 parts by mass of bamboo carbon fibers and 30-60 parts by mass of cotton fibers.

As a preferable technical scheme of the invention, the mass content of graphene in the graphene nanofiber is 1-3% of the total mass of the graphene nanofiber.

As a preferred technical solution of the present invention, the graphene component in the graphene nanofiber is chemically treated, and the chemical treatment includes oxidation, hydrogenation, nitridation, vulcanization, phosphorization, or any one or more of organic compounds.

As a preferred embodiment of the present invention, the organic compound attached to the graphene may be one of a resin, an MOF, or an organic amine, the resin includes a phenol resin, an epoxy resin, a urea resin, an alkyd resin, a polyester resin, or a polyamide resin, and the organic amine includes polyaniline, polyimide, propylenediamine, butylenediamine, melamine, polyamide, or polyallylamine.

A preparation method of the warm-keeping sweat-absorbing knitted underwear comprises the following steps:

B. b, weaving the inner and outer layers of cotton slivers obtained in the step A together according to the inner and outer layers of woven cloth to obtain cloth with a double-layer structure;

D. c, using the cloth obtained in the step C to obtain the pre-formed underwear through a sewing process;

E. d, soaking the primarily formed underwear obtained in the step D in a hydrophilic treatment agent for 2-24 hours;

As a preferable technical scheme of the invention, the hydrophilic treatment agent in the step E is composed of 15-30 parts of polyvinylpyrrolidone, 5-20 parts of ricinoleic acid, 2-4 parts of dimethylamine, 5-10 parts of triethanolamine and 30-60 parts of water according to the mass ratio.

As a preferable technical solution of the present invention, the preparation method of the hydrophilic treatment agent comprises the steps of:

B. after the reaction is finished, cooling to room temperature, taking the hydrothermal kettle out of the constant temperature box, and pouring the solution into a container;

C. heating the container to 50-80 ℃, adding polyvinylpyrrolidone and continuously stirring until the polyvinylpyrrolidone is completely dissolved to obtain the hydrophilic treatment agent.

As a preferable technical scheme of the invention, the tentering mode in the step F is doffing and drying at 60-90 ℃.

The beneficial effects of the invention at least comprise:

(1) by the arrangement of the inner layer fabric of the clothes and the improvement of the preparation process, the heat-insulating effect of the underwear is improved, and the functionality is improved;

(2) through the arrangement of the outer fabric of the clothes and the improvement of the preparation process, the sweat absorption function of the underwear is improved, the phenomenon that sweat is discharged due to thick sweat during wearing is avoided, and the comfort is improved.

Detailed Description

The present invention is further described with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the claims, and other alternatives which may occur to those skilled in the art are also within the scope of the claims.

Example 1

The thermal sweat-absorbing knitted underwear comprises a double-layer fabric, wherein the inner layer is a thermal layer, the outer layer is a sweat-absorbing layer, raw materials of the inner layer comprise 20 parts of graphene nano fibers, 20 parts of bamboo carbon fibers and 40 parts of cotton fibers according to the mass ratio, and the outer layer comprises 20 parts of cross-shaped cross-section PTT fibers, 20 parts of bamboo carbon fibers and 40 parts of cotton fibers according to the mass ratio.

Preferably, the mass content of graphene in the graphene nanofiber is 1% of the total mass of the graphene nanofiber.

Preferably, the graphene component in the graphene nanofiber is chemically treated, and the chemical treatment mode is oxidation.

The preparation method of the warm-keeping sweat-absorbing knitted underwear comprises the following steps:

B. b, weaving the inner and outer layers of cotton slivers obtained in the step A together according to the inner and outer layers of woven cloth to obtain cloth with a double-layer structure;

D. c, using the cloth obtained in the step C to obtain the pre-formed underwear through a sewing process;

E. d, soaking the primarily formed underwear obtained in the step D in a hydrophilic treatment agent for 2 hours;

Preferably, the hydrophilic treatment agent in the step E is composed of 15 parts by mass of polyvinylpyrrolidone, 5 parts by mass of ricinoleic acid, 2 parts by mass of dimethylamine, 5 parts by mass of triethanolamine, and 30 parts by mass of water.

Preferably, the preparation method of the hydrophilic treatment agent comprises the following steps:

B. after the reaction is finished, cooling to room temperature, taking the hydrothermal kettle out of the constant temperature box, and pouring the solution into a container;

C. heating the container to 50 ℃, adding polyvinylpyrrolidone and continuously stirring until the polyvinylpyrrolidone is completely dissolved to obtain the hydrophilic treatment agent.

Preferably, the stentering mode of the step F is doffing drying at 60 ℃.

Example 2

The thermal-insulation sweat-absorbent knitted underwear comprises a double-layer fabric, wherein the inner layer is a thermal-insulation layer, the outer layer is a sweat-absorbent layer, the raw materials of the inner layer comprise 40 parts by mass of graphene nano fibers, 60 parts by mass of bamboo carbon fibers and 60 parts by mass of cotton fibers, and the outer layer comprises 50 parts by mass of cross-shaped cross-section PTT fibers, 40 parts by mass of bamboo carbon fibers and 60 parts by mass of cotton fibers.

Preferably, the mass content of graphene in the graphene nanofiber is 3% of the total mass of the graphene nanofiber.

Preferably, the graphene component in the graphene nanofiber is chemically treated in a manner of connecting an organic compound.

Preferably, the organic compound attached to the graphene is a phenolic resin.

The preparation method of the warm-keeping sweat-absorbing knitted underwear comprises the following steps:

B. b, weaving the inner and outer layers of cotton slivers obtained in the step A together according to the inner and outer layers of woven cloth to obtain cloth with a double-layer structure;

D. c, using the cloth obtained in the step C to obtain the pre-formed underwear through a sewing process;

E. d, soaking the primarily formed underwear obtained in the step D in a hydrophilic treatment agent for 24 hours;

Preferably, the hydrophilic treatment agent in the step E is composed of 30 parts by mass of polyvinylpyrrolidone, 20 parts by mass of ricinoleic acid, 4 parts by mass of dimethylamine, 10 parts by mass of triethanolamine and 60 parts by mass of water.

Preferably, the preparation method of the hydrophilic treatment agent comprises the following steps:

B. after the reaction is finished, cooling to room temperature, taking the hydrothermal kettle out of the constant temperature box, and pouring the solution into a container;

C. and heating the container to 80 ℃, adding polyvinylpyrrolidone, and continuously stirring until the polyvinylpyrrolidone is completely dissolved to obtain the hydrophilic treatment agent.

Preferably, the tentering manner in step F is doffing and drying at 90 ℃.

Example 3

The thermal-insulation sweat-absorbent knitted underwear comprises a double-layer fabric, wherein the inner layer is a thermal-insulation layer, the outer layer is a sweat-absorbent layer, raw materials of the inner layer comprise 30 parts of graphene nano fibers, 40 parts of bamboo carbon fibers and 50 parts of cotton fibers according to the mass ratio, and the outer layer comprises 30 parts of cross-shaped cross-section PTT fibers, 30 parts of bamboo carbon fibers and 50 parts of cotton fibers according to the mass ratio.

Preferably, the mass content of graphene in the graphene nanofiber is 2% of the total mass of the graphene nanofiber.

Preferably, the graphene component in the graphene nanofiber is chemically treated in a manner of connecting an organic compound.

Preferably, the organic compound attached to the graphene is polyimide.

The preparation method of the warm-keeping sweat-absorbing knitted underwear comprises the following steps:

B. b, weaving the inner and outer layers of cotton slivers obtained in the step A together according to the inner and outer layers of woven cloth to obtain cloth with a double-layer structure;

D. c, using the cloth obtained in the step C to obtain the pre-formed underwear through a sewing process;

E. d, soaking the primarily formed underwear obtained in the step D in a hydrophilic treatment agent for 12 hours;

Preferably, the hydrophilic treatment agent in the step E is composed of, by mass, 20 parts of polyvinylpyrrolidone, 10 parts of ricinoleic acid, 3 parts of dimethylamine, 8 parts of triethanolamine, and 50 parts of water.

Preferably, the preparation method of the hydrophilic treatment agent comprises the following steps:

B. after the reaction is finished, cooling to room temperature, taking the hydrothermal kettle out of the constant temperature box, and pouring the solution into a container;

C. and heating the container to 70 ℃, adding polyvinylpyrrolidone, and continuously stirring until the polyvinylpyrrolidone is completely dissolved to obtain the hydrophilic treatment agent.

Preferably, the stentering mode of the step F is doffing drying at 80 ℃.

Comparative example

The thermal sweat-absorbent knitted underwear comprises a double-layer fabric, wherein the inner layer is made of 30 parts of graphene nano fibers, 40 parts of bamboo carbon fibers and 50 parts of cotton fibers according to the mass ratio, and the outer layer and the inner layer are made of the same raw materials and components.

Preferably, the mass content of graphene in the graphene nanofibers is 2% of the total mass of the graphene nanofibers.

Preferably, the graphene component in the graphene nanofiber is chemically treated in a manner of connecting an organic compound.

Preferably, the organic compound attached to the graphene is polyimide.

The preparation method of the warm-keeping sweat-absorbing knitted underwear comprises the following steps:

A. fully blending the graphene nano fibers/bamboo carbon fibers and the cotton fibers for the inner layer according to the mass ratio, and fully blending the graphene nano fibers/bamboo carbon fibers and the cotton fibers for the outer layer according to the mass ratio to obtain cotton slivers for the inner layer and the outer layer respectively;

B. b, weaving the inner and outer layers of cotton slivers obtained in the step A together according to the inner and outer layers of woven cloth to obtain cloth with a double-layer structure;

D. c, using the cloth obtained in the step C to obtain the pre-formed underwear through a sewing process;

E. d, soaking the primarily formed underwear obtained in the step D in a hydrophilic treatment agent for 12 hours;

Preferably, the preparation method of the hydrophilic treatment agent comprises the following steps:

B. after the reaction is finished, cooling to room temperature, taking the hydrothermal kettle out of the constant temperature box, and pouring the solution into a container;

C. and heating the container to 70 ℃, adding polyvinylpyrrolidone, and continuously stirring until the polyvinylpyrrolidone is completely dissolved to obtain the hydrophilic treatment agent.

Preferably, the stentering mode of the step F is doffing drying at 80 ℃.

Moisture absorption diffusivity test:

(1) cutting the underwear finished products obtained in the examples 1, 2 and 3 and the comparative example, and cutting 5 square flat cloth blocks with the side length of 10cm for each underwear as test samples;

(2) putting the obtained 20 square cloth pieces together at room temperature for 3 hours to ensure that the temperature and the humidity of the four cloth pieces are similar;

(3) when in test, the same drip irrigation is used for respectively absorbing about 0.2ml of water and gently dripping the water on the sample, and the distance between the dropper port and the surface of the sample is not more than 1cm when the water is dripped;

(4) the time required for the water drop to diffuse from contact with the inner layer surface of the sample to complete penetration to the outer layer was recorded, and the average of the time required for 5 samples of each example was taken as the average drop diffusion time(s).

The results of the moisture absorption diffusibility test are shown in Table 1.

TABLE 1 comparison of average drip diffusion times for examples 1, 2, 3 and comparative examples

From the above test data, the average water drop diffusion time of examples 1, 2 and 3 is obviously smaller than that of the comparative example, and the shorter the water drop diffusion time is, the better the moisture absorption diffusion performance is, that is, the moisture absorption performance of examples 1, 2 and 3 is better than that of the comparative example, which shows that the addition of the moisture-conductive fiber is significant for the moisture absorption and sweat releasing function of the composite fiber.

Although embodiments of the invention have been disclosed above, further modifications may readily occur to those skilled in the art, and the invention is therefore not limited to the specific details, without departing from the general concept defined by the claims and their equivalents.

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Warm-keeping sweat-absorbing knitted underwear and preparation method thereof

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