Preparation method of fabric with light absorption, heat generation and antistatic composite functions

Abstract

The application discloses a preparation method of a fabric with light-absorbing, heat-generating and antistatic composite functions. CuS nanoparticles are dispersed in a dispersion liquid, and tetraethyl orthosilicate is slowly added dropwise. After continuous stirring reaction, the reaction precipitate is dried to obtain silica-coated copper sulfide nanoparticles. The dispersion liquid is a mixed solution of ethanol, water and ammonia water. The silica-coated copper sulfide nanoparticles, disperse dye, crosslinking agent, surfactant, dispersant and deionized water are stirred and mixed, and ultrasonic dispersion is carried out. Then, the adhesive is added and stirred uniformly. Grinding particles are added to the mixed solution for grinding, and the grinding particles are removed through sieving to obtain a finishing liquid. The pretreated polyester fabric is pad-dyed in the finishing liquid, and is dried and solidified. Finally, the fabric product is obtained through washing and drying. The silica-coated copper sulfide nanoparticles realize the combination of light-absorbing, heat-generating, warm-keeping and static elimination functions, and the production cost is low, and the process is simple.

Description

Technical Field

[0001] This invention belongs to the field of textile fiber fabric technology, and in particular relates to a method for preparing a fabric with composite functions of light absorption, heat generation and antistatic properties. Background Technology

[0002] It is difficult to achieve both light absorption and heat generation, as well as antistatic properties, in fabrics. Existing light-absorbing and heat-generating fabrics mainly use fiber-composite carbon-based photothermal materials (such as graphene). Although these fabrics can quickly absorb light and heat up, they cause a decrease in moisture permeability of over 40%. After being made into clothing, internal moisture cannot effectively escape from the fabric, affecting the perceived temperature. Furthermore, fabrics made with composite graphene materials cannot simultaneously achieve antistatic properties.

[0003] The antistatic function of fabrics is mainly achieved by combining antistatic agents, such as poly(3,4-ethylenedioxythiophene) polystyrene sulfonate. However, the binding force between antistatic agents and fibers is weak, and the shedding rate after washing exceeds 50%. Furthermore, it is easy to undergo phase separation with dyes, resulting in a sharp drop in color fastness and durability, which seriously restricts practical applications. Summary of the Invention

[0004] To address the aforementioned deficiencies in the prior art, this invention provides a method for preparing a fabric with combined light-absorbing heat-generating and antistatic functions, solving the problem that light-absorbing heat-generating fabrics are difficult to achieve antistatic effects, and realizing the combination of light-absorbing heat-generating and antistatic functions in the fabric.

[0005] The technical solution of the present invention is as follows: A method for preparing a fabric with light absorption, heat generation, and antistatic composite functions, comprising the following steps:

[0006] CuS nanoparticles were dispersed in a dispersion and tetraethyl orthosilicate was slowly added dropwise. After continuous stirring and reaction, the reaction precipitate was dried to obtain silica-coated copper sulfide nanoparticles. The dispersion was a mixture of ethanol, water and ammonia.

[0007] Copper sulfide nanoparticles coated with silica, disperse dye, crosslinking agent, surfactant, dispersant and deionized water are stirred and mixed and ultrasonically dispersed. Then, binder is added and stirred evenly. Then, grinding particles are added to grind the mixture and sieve to remove the grinding particles to obtain the finishing solution.

[0008] The pretreated polyester fabric is pad-dyed and dried in a finishing solution, and finally washed and dried to obtain the finished fabric.

[0009] Furthermore, the CuS nanoparticles are prepared by the following method: copper sulfate solution and thiourea solution are mixed and the stabilizer polyvinylpyrrolidone is added. The mixture is stirred in a constant temperature water bath at 75-90°C, and the precipitate is obtained by vacuum drying to obtain CuS nanoparticles.

[0010] Furthermore, the molar ratio of copper sulfate to thiourea in the solution after mixing the copper sulfate solution and the thiourea solution is 1:2.

[0011] Furthermore, after adding tetraethyl orthosilicate, the solution temperature is maintained at 25–40°C, and the reaction is stirred for 6–12 hours. The mass ratio of tetraethyl orthosilicate to CuS nanoparticles is 50–150:1.

[0012] Furthermore, the mass percentage of each component in the solution of silica-coated copper sulfide nanoparticles, disperse dye, crosslinking agent, surfactant, dispersant, and deionized water is as follows: silica-coated copper sulfide nanoparticles 6%–12%, disperse dye 5%–8%, crosslinking agent 3%–9%, ​​surfactant 8%–12%, dispersant 8%–15%, and the remainder is deionized water.

[0013] Furthermore, the amount of the adhesive added is 6% to 12% of the mass of the solution of silica-coated copper sulfide nanoparticles, disperse dye, crosslinking agent, surfactant, dispersant, and deionized water.

[0014] Furthermore, the crosslinking agent is a polysiloxane, the surfactant is at least one of secondary alkyl sulfonate and sodium sulfonated fatty acid methyl ester, and the dispersant is at least one of sodium polyacrylate and fatty acid polyoxyethylene ester.

[0015] Furthermore, the adhesive is a polyurethane acrylate.

[0016] Further, the pad-dyeing process includes the following steps in sequence: first impregnation and padding, second impregnation and padding, pre-drying and baking. The pressure of the first impregnation and padding and the second impregnation and padding is 0.3 to 0.4 MPa. The temperature of the pre-drying is 80 to 90°C hot air drying. The baking is 150 to 160°C hot air drying.

[0017] Furthermore, the washing and drying process involves washing in hot water at 80-90°C, followed by rinsing with cold water and then drying.

[0018] The advantages of this invention compared to the prior art are:

[0019] This invention prepares silica-encapsulated copper sulfide nanoparticles with a "core-shell" structure. Utilizing the broad-spectrum light absorption properties of copper sulfide, the fabric rapidly absorbs light energy and converts it into heat, achieving highly efficient heat retention. Simultaneously, the conductivity of the silica-encapsulated copper sulfide nanoparticles eliminates static electricity, preventing dust adsorption and discomfort. This results in a fabric that combines highly efficient photothermal conversion with electrical conductivity; measured average temperature rise from light absorption and heat generation reaches 25°C, achieving an antistatic rating of A, overcoming the technical challenge of reconciling warmth and antistatic properties. Furthermore, the silica-encapsulated copper sulfide nanoparticles enhance the mechanical bonding strength between dye particles and fibers, making them more washable and abrasion-resistant, and providing some UV protection, suitable for both everyday clothing and extreme outdoor scenarios.

[0020] In the preparation process, the silica-encapsulated copper sulfide nanoparticles are attached to the fabric surface during the dyeing process in one step, which completes the functionalization treatment and improves the dyeing effect. No complicated post-processing is required. Compared with the traditional step-by-step light absorption and heat generation functionalization treatment and antistatic treatment, the production cost can be reduced by about 40%. Detailed Implementation

[0021] The present invention will be further described below with reference to embodiments, but these are not intended to limit the scope of the invention.

[0022] The sources of each raw material in the following embodiments and comparative examples are explained as follows:

[0023] (1) Copper sulfate solution, 0.1 mol / L (0.1 M), analytical grade, manufacturer: Shanghai Aladdin Biochemical Technology Co., Ltd.

[0024] (2) Thiourea, 99%, Manufacturer: Shanghai Aladdin Biochemical Technology Co., Ltd.

[0025] (3) Polyvinylpyrrolidone, K16, Manufacturer: Shanghai Aladdin Biochemical Technology Co., Ltd.

[0026] (4) Ethanol, industrial grade, manufacturer: Shanghai Aladdin Biochemical Technology Co., Ltd.

[0027] (5) Ammonia water, industrial grade, manufacturer: Shanghai Aladdin Biochemical Technology Co., Ltd.

[0028] (6) Tetraethyl orthosilicate, industrial grade, manufacturer: Shandong Yuanjin New Materials.

[0029] (7) Disperse dye: Disperse Violet 26 dry powder, manufacturer: Hangzhou Enbaorui Chemical Co., Ltd.

[0030] (8) Crosslinking agent: polysiloxane, manufacturer: Hubei Xinghengye, model: 110-18-9.

[0031] (9) Surfactants:

[0032] Secondary alkyl sulfonate, manufacturer: Jinan Daorong Chemical Co., Ltd., model: SAS60;

[0033] Sodium sulfonated fatty acid methyl ester, manufacturer: Hubei Shineng Chemical Technology Co., Ltd., model: 93348-22-2.

[0034] (10) Dispersant:

[0035] Sodium polyacrylate, manufacturer: Henan Ruxiang Chemical Co., Ltd., model: 9003-04-7;

[0036] Fatty acid polyoxyethylene ester, manufacturer: Wuhan Jixin Yibang, model: 106-08-1.

[0037] (11) Adhesive: polyurethane acrylate, manufacturer: Hunan Jinhai Technology Co., Ltd., model: JS311.

[0038] Example 1

[0039] A method for preparing a fabric with combined light absorption, heat generation, and antistatic functions includes the following steps:

[0040] Step 1: Preparation of copper sulfide nanoparticles (CuS)

[0041] 1. Solution mixing: Mix 0.1 mol / L copper sulfate solution and 0.1 mol / L thiourea solution at a volume ratio of 1:2.

[0042] 2. Add stabilizer: Add 3% by mass of polyvinylpyrrolidone (PVP) to the above mixed solution.

[0043] 3. Reaction conditions: Stir in an 80℃ constant temperature water bath for 2 hours to generate CuS precipitate.

[0044] 4. Separation and purification: Centrifugation: Centrifuge at 8000 rpm for 15 minutes; Washing: Wash three times with ethanol; Drying: Vacuum dry at 60℃ for 12 hours to obtain CuS nanoparticles. The CuS nanoparticles used in other examples and comparative examples are all the CuS nanoparticles prepared in this example. However, it should be noted that the required CuS nanoparticles (10-50 nm) can also be prepared at a temperature of 75-90℃ during the constant temperature water bath stirring reaction.

[0045] Step 2: Preparation of copper sulfide nanoparticles encapsulated in silica

[0046] 1. Preparation of dispersion: Mix ethanol (50mL), water (10mL), and 25% ammonia (1mL), add 10mL (1mg / mL) CuS nanoparticle dispersion, and sonicate for 10 minutes to ensure uniform dispersion.

[0047] 2. Silicon coating reaction: Slowly add 1g of tetraethyl orthosilicate (1mL), control the temperature at 25-30℃, and stir continuously for 12 hours. Dry the reaction precipitate to obtain silicon dioxide coated copper sulfide nanoparticles (50-200nm).

[0048] Advantages of silicon dioxide encapsulating copper sulfide nanoparticles: 1. Silicon dioxide acts as a protector for copper sulfide nanoparticles, making the outer surface uneven, increasing friction, and increasing the adhesion of additives; 2. Preventing oxidation of nano-copper sulfide.

[0049] Step 3: Preparation of dyeing and finishing solution

[0050] 1. Raw material mixing (by mass ratio): 6% disperse dye, 10% silica-coated copper sulfide nanoparticles, 6% crosslinking agent polysiloxane, 9% surfactant secondary alkyl sulfonate, 12% dispersant sodium polyacrylate, and the remainder is deionized water.

[0051] 2. Pretreatment: The mixed solution is magnetically stirred and then ultrasonically treated with an ultrasonic disperser to initially break up the agglomerates.

[0052] 3. Add adhesive: Add 9% by weight of polyurethane acrylate adhesive to the pretreated mixed solution and stir until uniform.

[0053] 4. Grinding and refining: Use a small sand mill to grind with zirconium beads (5000 rpm, 30 minutes); measure the particle size of silica-coated copper sulfide nanoparticles (50-200 nm), disperse dye <500 nm, sieve to remove zirconium beads, and obtain the final finishing solution.

[0054] Step 4: Functional Fabric Processing

[0055] 1. Finishing solution dilution: Mix the functional finishing solution with deionized water at a ratio of 1:8 and stir at 500 rpm for 10 minutes.

[0056] 2. Substrate pretreatment: Polyester fabrics are desized and alkali-reduced.

[0057] 3. The pretreated polyester fabric is pad-dyed in a finishing solution and then dried and cured. Finally, it is washed and dried to obtain the finished fabric. The pad-dyeing process includes: first pad-dyeing, second pad-dyeing, pre-drying, and baking. The pressure of the first pad-dyeing is 0.3 MPa, and the pressure of the second pad-dyeing is 0.3 MPa. After the two pad-dyeing processes, pre-drying is performed: drying with hot air at 80℃ for 5 minutes, followed by baking: curing with hot air circulation at 160℃ for 2 minutes; washing with hot water at 85℃ for 15 minutes, followed by rinsing with cold water; and finally drying at 80℃ for 10 minutes to obtain the finished fabric.

[0058] Example 2

[0059] A method for preparing a fabric with combined light absorption, heat generation, and antistatic functions includes the following steps:

[0060] The CuS nanoparticles obtained in Example 1 were used to prepare copper sulfide nanoparticles coated with silica:

[0061] 1. Preparation of dispersion: Mix ethanol (50mL), water (10mL), and 25% ammonia (1mL), add 10mL (1mg / mL) CuS nanoparticles, and sonicate for 10 minutes to ensure uniform dispersion.

[0062] 2. Silicon coating reaction: Slowly add 0.5g of tetraethyl orthosilicate (1mL); control the temperature at 30-35℃, stir continuously for 10 hours, and dry the reaction precipitate to obtain silicon dioxide coated copper sulfide nanoparticles.

[0063] Steps three and four are the same as in Example 1.

[0064] Example 3

[0065] A method for preparing a fabric with combined light absorption, heat generation, and antistatic functions includes the following steps:

[0066] The CuS nanoparticles obtained in Example 1 were used to prepare copper sulfide nanoparticles coated with silica:

[0067] 1. Preparation of dispersion: Mix ethanol (50mL), water (10mL), and 25% ammonia (1mL), add 10mL (1mg / mL) CuS nanoparticles, and sonicate for 10 minutes to ensure uniform dispersion.

[0068] 2. Silicon coating reaction: Slowly add 1.5g of tetraethyl orthosilicate; control the temperature at 30-35℃, stir continuously for 10 hours, and dry the reaction precipitate to obtain silicon dioxide coated copper sulfide nanoparticles.

[0069] Steps three and four are the same as in Example 1.

[0070] Example 4

[0071] A method for preparing a fabric with combined light absorption, heat generation, and antistatic functions includes the following steps:

[0072] Steps one and two are the same as in Example 1.

[0073] Step 3: Preparation of dyeing and finishing solution

[0074] 1. Raw material mixing (by mass ratio): 5% disperse dye, 6% silica-coated copper sulfide nanoparticles, 9% crosslinking agent polysiloxane, 12% surfactant, 8% dispersant, and the remainder is deionized water.

[0075] 2. Pretreatment: The mixed solution is magnetically stirred and then ultrasonically treated with an ultrasonic disperser to initially break up the agglomerates.

[0076] 3. Add adhesive: Add polyurethane acrylate adhesive to the pretreated mixed solution at a mass percentage of 12% and stir until uniform.

[0077] 4. Grinding and refining: Use a small sand mill to grind with zirconium beads (5000 rpm, 30 minutes); measure the particle size, sieve to remove zirconium beads, and obtain the final finishing solution.

[0078] Step 4: Functional Fabric Processing

[0079] 1. Finishing solution dilution: Mix the functional finishing solution with deionized water at a ratio of 1:4 and stir at 500 rpm for 10 minutes.

[0080] 2. Substrate pretreatment: Polyester fabrics are desized and alkali-reduced.

[0081] 3. The pretreated polyester fabric is pad-dyed in a finishing solution and then dried and cured. Finally, it is washed and dried to obtain the finished fabric. The pad-dyeing process includes: first pad-dyeing, second pad-dyeing, pre-drying, and baking. The pressure of the first pad-dyeing is 0.3 MPa, and the pressure of the second pad-dyeing is 0.3 MPa. After the two pad-dyeing processes, pre-drying is performed: drying with hot air at 80℃ for 5 minutes, followed by baking: curing with hot air circulation at 160℃ for 2 minutes; washing with hot water at 85℃ for 15 minutes, followed by rinsing with cold water; and finally drying at 80℃ for 10 minutes to obtain the finished fabric.

[0082] Example 5

[0083] A method for preparing a fabric with combined light absorption, heat generation, and antistatic functions includes the following steps:

[0084] Steps one and two are the same as in Example 1.

[0085] Step 3: Preparation of dyeing and finishing solution

[0086] 1. Raw material mixing (by mass ratio): 8% disperse dye, 12% silica-coated copper sulfide nanoparticles, 3% crosslinking agent polysiloxane, 8% surfactant, 15% dispersant, and the remainder is deionized water.

[0087] 2. Pretreatment: The mixed solution is magnetically stirred and then ultrasonically treated with an ultrasonic disperser to initially break up the agglomerates.

[0088] 3. Add adhesive: Add 6% by mass of polyurethane acrylate adhesive to the pretreated mixed solution and stir until uniform.

[0089] 4. Grinding and refining: Use a small sand mill to grind with zirconium beads (5000 rpm, 30 minutes); measure the particle size, sieve to remove zirconium beads, and obtain the final finishing solution.

[0090] Step 4: Functional Fabric Processing

[0091] 1. Diluting the finishing solution: Mix the functional finishing solution with deionized water at a ratio of 1:10 and stir at 500 rpm for 10 minutes.

[0092] 2. Substrate pretreatment: Polyester fabrics are desized and alkali-reduced.

[0093] 3. The pretreated polyester fabric is pad-dyed in a finishing solution and then dried and cured. Finally, it is washed and dried to obtain the finished fabric. The pad-dyeing process includes: first pad-dyeing, second pad-dyeing, pre-drying, and baking. The pressure of the first pad-dyeing is 0.4 MPa, and the pressure of the second pad-dyeing is 0.35 MPa. After the two pad-dyeing processes, pre-drying is performed: drying with hot air at 80℃ for 5 minutes, followed by baking: curing with hot air circulation at 160℃ for 2 minutes; washing with hot water at 85℃ for 15 minutes, followed by rinsing with cold water; and finally drying at 80℃ for 10 minutes to obtain the finished fabric.

[0094] Example 6

[0095] A method for preparing a fabric with combined light absorption, heat generation, and antistatic functions includes the following steps:

[0096] Steps one, two, and three are the same as in Example 1.

[0097] Step 4: Functional Fabric Processing

[0098] 1. Finishing solution dilution: Mix the functional finishing solution with deionized water at a ratio of 1:8 and stir at 500 rpm for 10 minutes.

[0099] 2. Substrate pretreatment: Polyester fabrics are desized and alkali-reduced.

[0100] 3. The pretreated polyester fabric is pad-dyed and dried in a finishing solution, and finally washed and dried to obtain the finished fabric. The pad-dyeing process includes: first pad-dyeing, second pad-dyeing, pre-drying and baking. The pressure of the first pad-dyeing is 0.35 MPa, and the pressure of the second pad-dyeing is 0.4 MPa. After the two pad-dyeing processes, pre-drying is performed: 90℃ hot air drying for 5 minutes, followed by baking: 150℃ high-temperature hot air circulation curing for 2 minutes; 90℃ hot water washing for 15 minutes followed by cold water rinsing; finally, drying at 85℃ for 10 minutes to obtain the finished fabric.

[0101] Example 7

[0102] A method for preparing a fabric with combined light absorption, heat generation, and antistatic functions includes the following steps:

[0103] Steps one, two, and three are the same as in Example 1.

[0104] Step 4: Functional Fabric Processing

[0105] 1. Finishing solution dilution: Mix the functional finishing solution with deionized water at a ratio of 1:8 and stir at 500 rpm for 10 minutes.

[0106] 2. Substrate pretreatment: Polyester fabrics are desized and alkali-reduced.

[0107] 3. The pretreated polyester fabric is pad-dyed and dried in a finishing solution, and finally washed and dried to obtain the finished fabric. The pad-dyeing process includes: first pad-dyeing, second pad-dyeing, pre-drying, and baking. The pressure of the first pad-dyeing is 0.3 MPa, the pressure of the second pad-dyeing is 0.3 MPa, and after the two pad-dyeing processes, pre-drying is performed: drying with hot air at 85℃ for 5 minutes, followed by baking: curing with hot air circulation at 155℃ for 2 minutes; washing with hot water at 80℃ for 15 minutes, followed by rinsing with cold water; and finally drying at 80℃ for 10 minutes to obtain the finished fabric.

[0108] Comparative Example

[0109] The fabric preparation method includes the following steps:

[0110] Step 1: Preparation of dyeing and finishing solution

[0111] 1. Raw material mixing (by mass ratio): 6% disperse dye, 10% copper sulfide nanoparticles, 6% crosslinking agent polysiloxane, 9% surfactant secondary alkyl sulfonate, 12% dispersant sodium polyacrylate, and the remainder is deionized water.

[0112] 2. Pretreatment: The mixed solution is magnetically stirred and then ultrasonically treated with an ultrasonic disperser to initially break up the agglomerates.

[0113] 3. Add adhesive: Add 9% by weight of polyurethane acrylate adhesive to the pretreated mixed solution and stir until uniform.

[0114] 4. Grinding and refining: Use a small sand mill to grind with zirconium beads (5000 rpm, 30 minutes); measure the particle size, sieve to remove zirconium beads, and obtain the final finishing solution.

[0115] Step 4: Functional Fabric Processing

[0116] 1. Finishing solution dilution: Mix the functional finishing solution with deionized water at a ratio of 1:8 and stir at 500 rpm for 10 minutes.

[0117] 2. Substrate pretreatment: Polyester fabrics are desized and alkali-reduced.

[0118] 3. The pretreated polyester fabric is pad-dyed in a finishing solution and then dried and cured. Finally, it is washed and dried to obtain the finished fabric. The pad-dyeing process includes: first pad-dyeing, second pad-dyeing, pre-drying, and baking. The pressure of the first pad-dyeing is 0.3 MPa, and the pressure of the second pad-dyeing is 0.3 MPa. After the two pad-dyeing processes, pre-drying is performed: drying with hot air at 80℃ for 5 minutes, followed by baking: curing with hot air circulation at 160℃ for 2 minutes; washing with hot water at 85℃ for 15 minutes, followed by rinsing with cold water; and finally drying at 80℃ for 10 minutes to obtain the finished fabric.

[0119] The fabrics prepared in the above embodiments and comparative examples were subjected to electrostatic and light absorption and heat generation performance tests. The electrostatic performance test method was carried out in accordance with GB / T 12703.1-2008 "Evaluation of electrostatic performance - electrostatic half-life", and the light absorption and heat generation performance test method was carried out in accordance with GB / T 18319-2019 "Test method for light and heat storage performance of textiles".

[0120] The results are as follows:

[0121]

[0122]

[0123] As can be seen from the above results, the fabric prepared by this invention has an average temperature rise of 25°C in actual light absorption and heat generation, and an antistatic grade of A. It has both high efficiency in photothermal conversion and electrical conductivity, achieving a synergy between warmth retention and antistatic properties.

Claims

1. A method for preparing a fabric with combined light absorption, heat generation, and antistatic functions, characterized in that, Including the following steps: CuS nanoparticles were dispersed in a dispersion and tetraethyl orthosilicate was slowly added dropwise. The mass ratio of tetraethyl orthosilicate to CuS nanoparticles was 50-150:

1. The solution temperature was maintained at 25-40℃ and the reaction was continuously stirred for 6-12 hours. The reaction precipitate was then dried to obtain silica-coated copper sulfide nanoparticles. The dispersion was a mixture of ethanol, water and ammonia. Silica-coated copper sulfide nanoparticles, disperse dyes, crosslinking agents, surfactants, dispersants, and deionized water are stirred and ultrasonically dispersed. The mass percentages of each component in the solution are as follows: 6%–12% silica-coated copper sulfide nanoparticles, 5%–8% disperse dyes, 3%–9% crosslinking agents, 8%–12% surfactants, 8%–15% dispersants, and the remainder is deionized water. Then, a binder is added and stirred until homogeneous. The amount of binder added is 6%–12% of the mass of the solution. Grinding particles are then added to grind the mixture, and the mixture is sieved to remove the grinding particles to obtain a finishing solution. The pretreated polyester fabric is pad-dyed and dried in a finishing solution, and finally washed and dried to obtain the finished fabric.

2. The method for preparing the fabric with light-absorbing, heat-generating, and antistatic composite functions according to claim 1, characterized in that, The CuS nanoparticles were prepared by the following method: copper sulfate solution and thiourea solution were mixed and polyvinylpyrrolidone stabilizer was added. The mixture was stirred in a constant temperature water bath at 75-90°C. After obtaining the reaction precipitate, the precipitate was dried under vacuum to obtain CuS nanoparticles.

3. The method for preparing the fabric with light-absorbing heat-generating and antistatic composite functions according to claim 2, characterized in that, The molar ratio of copper sulfate to thiourea in the solution after mixing the copper sulfate solution and the thiourea solution is 1:

2.

4. The method for preparing the fabric with light-absorbing heat-generating and antistatic composite functions according to claim 1, characterized in that, The crosslinking agent is a polysiloxane, the surfactant is at least one of secondary alkyl sulfonate and sodium sulfonated fatty acid methyl ester, and the dispersant is at least one of sodium polyacrylate and fatty acid polyoxyethylene ester.

5. The method for preparing the fabric with light-absorbing heat-generating and antistatic composite functions according to claim 1, characterized in that, The adhesive is polyurethane acrylate.

6. The method for preparing the fabric with light-absorbing heat-generating and antistatic composite functions according to claim 1, characterized in that, The padding process includes the following steps: first impregnation and padding, second impregnation and padding, pre-drying, and baking. The pressure of the first impregnation and padding and the second impregnation and padding is 0.3-0.4 MPa. The temperature of the pre-drying is 80-90℃ hot air drying. The baking is 150-160℃ hot air drying.

7. The method for preparing the fabric with light-absorbing heat-generating and antistatic composite functions according to claim 1, characterized in that, The washing and drying process involves washing in hot water at 80-90°C, rinsing with cold water, and then drying.

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