阅读说明：本技术 一种防水透气耐撕裂面料及其制备方法和应用 (Waterproof breathable tear-resistant fabric and preparation method and application thereof ) 是由 陈岩 刘汉春 吴昆明 张传贵 李伟 于 2021-10-26 设计创作，主要内容包括：本发明涉及一种防水透气耐撕裂面料及其制备方法和应用,属于面料技术领域,包括以下步骤：(1)棉线处理：将棉线浸泡在加入果酸和载银抗菌剂的水溶液中,烘干；(2)纤维制备：将碳纤维软毡的边角料磨碎后,分筛捻线获得初始碳纤维,在无氧环境下,碳化处理获得碳纤维；(3)制线：将棉线和碳纤维和聚炳烯纤维三者等股数合并梳理后加捻制成面料线；(4)面料的制备：以面料线为经丝和纬丝,经过纺织设备相互交错织造而成初始面料,再经过拒水剂浸轧处理,烘干后获得成品面料。本发明采用棉线、聚炳烯纤维、碳纤维三种纤维复合成面料线织造而成,在具备优异防水透气的效果还具有一定的柔软度,增加面料的抗拉抗撕裂强度。(The invention relates to a waterproof breathable tear-resistant fabric and a preparation method and application thereof, belonging to the technical field of fabrics and comprising the following steps: (1) cotton thread treatment: soaking cotton thread in water solution containing fruit acid and silver-carrying antibacterial agent, and oven drying; (2) preparing fibers: grinding leftover materials of the carbon fiber soft felt, screening and twisting to obtain initial carbon fibers, and carbonizing in an oxygen-free environment to obtain carbon fibers; (3) manufacturing a wire: combining and carding the equal strands of the cotton thread, the carbon fiber and the polypropylene fiber, and twisting to prepare a surface fabric thread; (4) preparing the fabric: and taking the fabric threads as warps and wefts, weaving the warps and the wefts in a mutually staggered manner by using weaving equipment to form an initial fabric, carrying out padding treatment by using a water repellent agent, and drying to obtain a finished fabric. The waterproof breathable fabric is woven by compounding the cotton thread, the polypropylene fiber and the carbon fiber into the fabric thread, has a certain softness in the waterproof breathable effect, and increases the tensile and tear strength of the fabric.)

1. The preparation method of the waterproof breathable tear-resistant fabric is characterized by comprising the following steps of:

(1) cotton thread treatment: soaking cotton thread in water solution containing fruit acid and silver-carrying antibacterial agent, and oven drying;

(2) preparing fibers: grinding leftover materials of the carbon fiber soft felt, screening and twisting to obtain initial carbon fibers, and carbonizing in an oxygen-free environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: and taking the fabric threads as warps and wefts, weaving the warps and the wefts in a mutually staggered manner by using weaving equipment to form an initial fabric, carrying out padding treatment by using a water repellent agent, and drying to obtain a finished fabric.

2. The method for preparing the waterproof breathable tear-resistant fabric according to claim 1, wherein the fabric wire in the step (4) is circularly rotated for 5-10min in a roller environment at 100-120 ℃ after being made into an initial fabric.

3. The preparation method of the waterproof breathable tear-resistant fabric according to claim 1, wherein in the step (4), the water repellent comprises 20-30 parts by weight of a fluorine-containing resin finishing agent MCH-SR8, 15-20 parts by weight of sodium stearate and 1-5 parts by weight of aluminum sulfate.

4. The preparation method of the waterproof breathable tear-resistant fabric according to claim 1, wherein the step (1) of padding with the water repellent comprises the following specific steps: dissolving a water repellent agent in water at the concentration of 100-150g/L, uniformly stirring to prepare water repellent finishing liquid, adding the water repellent finishing liquid into a mangle, and immersing the initial fabric in the water repellent finishing liquid.

5. The preparation method of the waterproof breathable tear-resistant fabric according to claim 4, wherein the water repellent padding treatment in the step (1) is to pad the initial fabric after hot pressing by a two-dipping and two-rolling process.

6. The preparation method of the waterproof breathable tear-resistant fabric according to claim 1, wherein the concentration of the fruit acid in the aqueous solution in the step (1) is 20% -40%, the usage amount of the silver-loaded antibacterial agent is 1-5% per mill, and the treatment time is 10-20 min.

7. The method for preparing the waterproof breathable tear-resistant fabric according to claim 1, wherein the oxygen-free environment in the step (2) is a nitrogen environment, and the temperature of the carbonization treatment is 900-1000 ℃.

8. The preparation method of the waterproof breathable tear-resistant fabric according to claim 1, wherein the soft felt of the carbon fiber in the step (2) is one of polyacrylonitrile-based carbon fiber and viscose-based carbon fiber.

9. A waterproof breathable tear-resistant fabric, characterized by being prepared by the preparation method of any one of claims 1 to 8.

10. Use of the waterproof breathable tear-resistant fabric of claim 9 as an outer layer of down jackets or outdoor work wear.

Technical Field

The invention belongs to the technical field of fabrics, and particularly relates to a waterproof breathable tear-resistant fabric and a preparation method and application thereof.

Background

At present, the common fabrics of down jackets and cold protective clothing for outdoor work are mostly formed by adopting a waterproof moisture permeable PTFE film and fabric surface lamination technology or compounding a waterproof moisture permeable PU film and fabric. When the garment is made, the inner lining of polar fleece is added or the liner is matched with the liner which can be detached from the feather to make the cold protective garment. The prior art has certain waterproof and moisture permeable effects, and has certain warm-keeping effect by matching with polar fleece and a down feather liner, but the fabric is not soft and is overweight integrally, so that a wearer feels uncomfortable; the fabric and the quilting line part are easy to be drilled out by down, so that the comfort and the consumer taste are greatly reduced, the existing down fabric is poor in tear resistance, and the fabric is easy to be scraped and cracked through a burr part, so that the down in the fabric runs out, and the heat-insulating effect is lost. Therefore, the waterproof breathable tear-resistant fabric and the preparation method and application thereof are provided.

Disclosure of Invention

The invention aims to solve the problems and provide a waterproof breathable tear-resistant fabric with reasonable design and a preparation method and application thereof.

The invention realizes the purpose through the following technical scheme:

the invention provides a preparation method of a waterproof breathable tear-resistant fabric, which comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in water solution containing fruit acid and silver-carrying antibacterial agent, and oven drying;

(2) preparing fibers: grinding leftover materials of the carbon fiber soft felt, screening and twisting to obtain initial carbon fibers, and carbonizing in an oxygen-free environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: and taking the fabric threads as warps and wefts, weaving the warps and the wefts in a mutually staggered manner by using weaving equipment to form an initial fabric, carrying out padding treatment by using a water repellent agent, and drying to obtain a finished fabric.

As a further improvement of the invention, after the initial fabric is made by the fabric line in the step (4), the fabric is circularly rotated for 5-10min in the environment of a roller at 100-120 ℃.

As a further improvement of the invention, in the step (4), the water repellent comprises 20-30 parts by weight of a fluorine-containing resin finishing agent MCH-SR8, 15-20 parts by weight of sodium stearate and 1-5 parts by weight of aluminum sulfate.

As a further improvement of the invention, the step (1) of padding treatment with the water repellent comprises the following specific steps: dissolving a water repellent agent in water at the concentration of 100-150g/L, uniformly stirring to prepare water repellent finishing liquid, adding the water repellent finishing liquid into a mangle, and immersing the initial fabric in the water repellent finishing liquid.

As a further improvement of the invention, in the step (1), the water repellent agent padding treatment adopts a two-dipping two-rolling process to pad the initial fabric after hot pressing.

As a further improvement of the invention, the concentration of the fruit acid in the aqueous solution in the step (1) is 20-40%, the usage amount of the silver-carrying antibacterial agent is 1-5 per mill, and the treatment time is 10-20 min.

As a further improvement of the invention, the oxygen-free environment in the step (2) is a nitrogen environment, and the temperature of the carbonization treatment is 900-.

As a further improvement of the invention, the soft felt of the carbon fiber in the step (2) is specifically one of polyacrylonitrile-based carbon fiber and viscose-based carbon fiber.

The invention also provides a waterproof breathable tear-resistant fabric prepared by the preparation method.

The invention also provides application of the waterproof breathable tear-resistant fabric as an outer layer fabric in down jackets and outdoor working coats.

The invention has the beneficial effects that: the waterproof breathable tear-resistant fabric is woven by compounding three fibers, namely the cotton yarn, the polypropylene fiber and the carbon fiber, has excellent waterproof and breathable effects and certain softness, can increase the tensile and tear-resistant strength of the fabric by compounding the carbon fiber into the fabric, is subjected to water repellent treatment to increase the water repellent effect, has a certain bacteriostatic effect while repelling water, and is suitable for the existing down jacket fabric and outdoor cold protective working wear fabric.

Detailed Description

The present application is described in further detail below, and it should be noted that the following detailed description is provided for illustrative purposes only, and is not intended to limit the scope of the present application, which is defined by the appended claims.

Example 1

The preparation method of the waterproof breathable tear-resistant fabric in the embodiment comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 20%, the usage amount of silver-carrying antibacterial agent is 5 ‰, the treatment time is 10-20min, and drying after treatment;

(2) preparing fibers: grinding leftover materials of carbon fiber soft felt made of polyacrylonitrile-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: the fabric is used as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered mode to form an initial fabric, the initial fabric is rotated for 5-10min in a 100-plus-material 120 ℃ roller environment, a water repellent agent is dissolved in water at a concentration of 100g/L and is uniformly stirred to prepare a water repellent finishing liquid, the water repellent finishing liquid is added into a soaking and rolling tank, the initial fabric is immersed in the water repellent finishing liquid, the initial fabric is subjected to padding by adopting a two-soaking and two-rolling process, and a finished fabric is obtained after drying. The water repellent comprises 30 parts by weight of fluorine-containing resin finishing agent MCH-SR8 and 15 parts by weight of sodium stearate and 5 parts by weight of aluminum sulfate.

Example 2

The preparation method of the waterproof breathable tear-resistant fabric in the embodiment comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 30%, the usage amount of silver-carrying antibacterial agent is 3 ‰, the treatment time is 10-20min, and drying after treatment;

(2) preparing fibers: grinding leftover materials of carbon fiber soft felt made of polyacrylonitrile-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: the fabric is used as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered mode to form an initial fabric, the initial fabric is rotated for 5-10min in a 100-plus-material 120 ℃ roller environment, a water repellent agent is dissolved in water at a concentration of 140g/L and is uniformly stirred to prepare a water repellent finishing liquid, the water repellent finishing liquid is added into a soaking and rolling tank, the initial fabric is immersed in the water repellent finishing liquid, the initial fabric is subjected to padding by adopting a two-soaking and two-rolling process, and a finished fabric is obtained after drying. The water repellent comprises 30 parts by weight of fluorine-containing resin finishing agent MCH-SR8, 15 parts by weight of sodium stearate and 5 parts by weight of aluminum sulfate.

Example 3

The preparation method of the waterproof breathable tear-resistant fabric in the embodiment comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 40%, the usage amount of silver-carrying antibacterial agent is 1 ‰, the treatment time is 10-20min, and drying after treatment;

(2) preparing fibers: grinding leftover materials of the carbon fiber soft felt made of viscose-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain the carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: the fabric is used as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered mode to form an initial fabric, the initial fabric is rotated for 5-10min in a 100-plus-material 120 ℃ roller environment, a water repellent agent is dissolved in water at a concentration of 150g/L and is uniformly stirred to prepare a water repellent finishing liquid, the water repellent finishing liquid is added into a soaking and rolling tank, the initial fabric is immersed in the water repellent finishing liquid, the initial fabric is subjected to padding by adopting a two-soaking and two-rolling process, and a finished fabric is obtained after drying. The water repellent comprises 30 parts by weight of fluorine-containing resin finishing agent MCH-SR8, 15 parts by weight of sodium stearate and 5 parts by weight of aluminum sulfate.

The carbon fiber soft felt in the step (2) is specifically one of polyacrylonitrile-based carbon fibers and viscose-based carbon fibers.

Example 4

The preparation method of the waterproof breathable tear-resistant fabric in the embodiment comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 30%, the usage amount of silver-carrying antibacterial agent is 2 ‰, the treatment time is 10-20min, and drying after treatment;

(2) preparing fibers: grinding leftover materials of carbon fiber soft felt made of polyacrylonitrile-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: the fabric is used as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered mode to form an initial fabric, the initial fabric is rotated for 5-10min in a 100-plus-material 120 ℃ roller environment, a water repellent agent is dissolved in water at a concentration of 140g/L and is uniformly stirred to prepare a water repellent finishing liquid, the water repellent finishing liquid is added into a soaking and rolling tank, the initial fabric is immersed in the water repellent finishing liquid, the initial fabric is subjected to padding by adopting a two-soaking and two-rolling process, and a finished fabric is obtained after drying. The water repellent comprises 20 parts by weight of fluorine-containing resin finishing agent MCH-SR8, 20 parts by weight of sodium stearate and 5 parts by weight of aluminum sulfate.

Comparative example 1

The preparation method of the waterproof breathable tear-resistant fabric in the comparative example comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 30%, the usage amount of silver-carrying antibacterial agent is 2 ‰, the treatment time is 10-20min, and drying after treatment;

(2) manufacturing a wire: combining and carding the equal strands of the cotton thread and the polypropylene fiber obtained in the step (1), and twisting to prepare a surface yarn;

(3) preparing the fabric: the fabric is used as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered mode to form an initial fabric, the initial fabric is rotated for 5-10min in a 100-plus-material 120 ℃ roller environment, a water repellent agent is dissolved in water at a concentration of 140g/L and is uniformly stirred to prepare a water repellent finishing liquid, the water repellent finishing liquid is added into a soaking and rolling tank, the initial fabric is immersed in the water repellent finishing liquid, the initial fabric is subjected to padding by adopting a two-soaking and two-rolling process, and a finished fabric is obtained after drying. The water repellent comprises 20 parts by weight of fluorine-containing resin finishing agent MCH-SR8, 20 parts by weight of sodium stearate and 5 parts by weight of aluminum sulfate.

Comparative example 2

The preparation method of the waterproof breathable tear-resistant fabric in the comparative example comprises the following steps:

(1) preparing fibers: grinding leftover materials of carbon fiber soft felt made of polyacrylonitrile-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain carbon fibers;

(2) manufacturing a wire: combining and carding equal strands of carbon fiber and polypropylene fiber, and twisting to prepare a facing material line;

(3) preparing the fabric: the fabric is used as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered mode to form an initial fabric, the initial fabric is rotated for 5-10min in a 100-plus-material 120 ℃ roller environment, a water repellent agent is dissolved in water at a concentration of 140g/L and is uniformly stirred to prepare a water repellent finishing liquid, the water repellent finishing liquid is added into a soaking and rolling tank, the initial fabric is immersed in the water repellent finishing liquid, the initial fabric is subjected to padding by adopting a two-soaking and two-rolling process, and a finished fabric is obtained after drying. The water repellent comprises 20 parts by weight of fluorine-containing resin finishing agent MCH-SR8, 20 parts by weight of sodium stearate and 5 parts by weight of aluminum sulfate.

Comparative example 3

The preparation method of the waterproof breathable tear-resistant fabric in the comparative example comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 30%, the usage amount of silver-carrying antibacterial agent is 3 ‰, the treatment time is 10-20min, and drying after treatment;

(2) preparing fibers: grinding leftover materials of carbon fiber soft felt made of polyacrylonitrile-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton threads obtained in the step (1) and the carbon fibers obtained in the step (2) in equal strand number, and twisting to prepare a surface fabric thread;

(4) preparing the fabric: the fabric is used as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered mode to form an initial fabric, the initial fabric is rotated for 5-10min in a 100-plus-material 120 ℃ roller environment, a water repellent agent is dissolved in water at a concentration of 140g/L and is uniformly stirred to prepare a water repellent finishing liquid, the water repellent finishing liquid is added into a soaking and rolling tank, the initial fabric is immersed in the water repellent finishing liquid, the initial fabric is subjected to padding by adopting a two-soaking and two-rolling process, and a finished fabric is obtained after drying. The water repellent comprises 20 parts by weight of fluorine-containing resin finishing agent MCH-SR8, 20 parts by weight of sodium stearate and 5 parts by weight of aluminum sulfate.

Comparative example 4

The preparation method of the waterproof breathable tear-resistant fabric in the comparative example comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 30%, the usage amount of silver-carrying antibacterial agent is 3 ‰, the treatment time is 10-20min, and drying after treatment;

(2) preparing fibers: grinding leftover materials of carbon fiber soft felt made of polyacrylonitrile-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: the fabric is characterized in that fabric threads are used as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered mode to form an initial fabric, a water repellent agent is dissolved in water at a concentration of 140g/L and is uniformly stirred to prepare a water repellent finishing liquid, the water repellent finishing liquid is added into a padding groove, the initial fabric is immersed in the water repellent finishing liquid, the initial fabric after hot pressing is padded by a two-dipping two-rolling process, and a finished fabric is obtained after drying. The water repellent comprises 20 parts by weight of fluorine-containing resin finishing agent MCH-SR8, 20 parts by weight of sodium stearate and 5 parts by weight of aluminum sulfate.

Comparative example 5

The preparation method of the waterproof breathable tear-resistant fabric in the comparative example comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 30%, the usage amount of silver-carrying antibacterial agent is 3 ‰, the treatment time is 10-20min, and drying after treatment;

(2) preparing fibers: grinding leftover materials of carbon fiber soft felt made of polyacrylonitrile-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: the method comprises the steps of weaving an initial fabric by taking a fabric line as warp yarns and weft yarns in a mutually staggered mode through a textile device, circularly rotating for 5-10min in a 100-120 ℃ roller environment, dissolving a fluorine-containing resin finishing agent MCH-SR8 in 140g/L in water, uniformly stirring to prepare a water-repellent finishing liquid, adding the water-repellent finishing liquid into a padding tank, immersing the initial fabric in the water-repellent finishing liquid, padding the initial fabric subjected to hot pressing by adopting a two-dipping two-rolling process, and drying to obtain a finished fabric.

Comparative example 6

The preparation method of the waterproof breathable tear-resistant fabric in the comparative example comprises the following steps:

(1) cotton thread treatment: soaking cotton thread in aqueous solution containing fruit acid and silver-carrying antibacterial agent, wherein the concentration of fruit acid in the aqueous solution is 30%, the usage amount of silver-carrying antibacterial agent is 3 ‰, the treatment time is 10-20min, and drying after treatment;

(2) preparing fibers: grinding leftover materials of carbon fiber soft felt made of polyacrylonitrile-based carbon fiber, screening and twisting to obtain initial carbon fibers, and carbonizing at the temperature of 900-1000 ℃ in a nitrogen environment to obtain carbon fibers;

(3) manufacturing a wire: combining and carding the cotton thread obtained in the step (1) and the carbon fiber and the polypropylene fiber obtained in the step (2) in equal number, and twisting to prepare a surface yarn;

(4) preparing the fabric: the fabric is taken as warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a weaving device in a mutually staggered way to form an initial fabric, and the initial fabric is circularly rotated for 5-10min in a 100-plus-material 120 ℃ roller environment to obtain a finished fabric.

1. For the fabrics prepared in examples 1 to 4 and comparative examples 1 to 6, a contact angle test was performed using an OCA 40 type video contact angle measuring instrument, the amount of water was 6 μ l, and the reading was taken when a water drop was in contact with the fabric for 60 seconds. The measurements were taken 5 times at different positions on the same sample and averaged, the larger the contact angle, the better the water repellency. And (3) respectively carrying out contact angle detection on the fabric before washing, after washing for 20 times and after washing for 30 times. The results are shown in Table 1.

2. The softness of the fabrics prepared in examples 1-4 and comparative examples 1-6 was measured using human senses and ranged from hard to soft with an index of 0-10. The results are shown in Table 1.

TABLE 1 Water repellency results for the fabrics

3. For the fabrics prepared in examples 1 to 4 and comparative examples 1 to 6, tensile tests were performed on the samples according to GB/T3923.1-2013 "textile-fabric tensile properties" and tear properties were performed on the samples according to GB/T3917.3-2009 "textile-fabric tear properties". The results are shown in Table 2.

TABLE 2 stretch and tear effects of the fabrics

4. For the fabrics prepared in examples 1 to 4 and comparative examples 1 to 6, the glass cup is filled with water at 60 ℃, a temperature sensing device is placed in the glass cup, the glass cup is wrapped in the fabric with the thickness of 5 layers, the fabric is placed in an environment with the temperature of 10 ℃, and after 30 minutes, the temperature reading is taken, so that the higher the temperature is, the better the heat preservation performance is. And (3) respectively carrying out heat retention detection on the fabric before washing, after washing for 20 times and after washing for 30 times. The results are shown in Table 3.

TABLE 3 warmth retention results of the fabrics

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.