After-finishing process for improving waterproofness of fabric

Abstract

The invention discloses an after-finishing process for improving the water resistance of a fabric, and belongs to the technical field of textile fabrics. The polyester fibers and the bamboo fibers are adopted for blending, the structural advantages of high strength, wrinkle resistance, shape preservation and stable size of the polyester fibers are utilized, the polyester fibers serve as a firm framework of the fabric, and the durability and stiff and smooth feeling of the fabric are guaranteed; meanwhile, the soft hand feeling, moisture absorption, breathability and natural antibacterial and deodorant functions of the bamboo fibers are integrated, the wearing comfort and the healthy and environment-friendly properties of the fabric are improved, and the fabric obtained through the after-finishing process has the good waterproof, flame-retardant and wear-resisting performance and is suitable for being applied to the complex working environment.

Description

Technical Field

[0001] This invention relates to the field of textile fabric technology, and more specifically to a finishing process for improving the water resistance of fabrics. Background Technology

[0002] Fabrics are flexible materials made from fibers through textile, weaving, or nonwoven processes, and are widely used in clothing, home furnishings, and industrial applications. Their performance depends on the type of fiber, its structure, and finishing processes. With technological advancements and rising living standards, people's demands for textiles have long surpassed basic warmth and aesthetics, shifting towards higher functionality, comfort, and durability. This is especially true in some specialized technical fields where workers face extremely harsh, complex, and potentially dangerous working environments. The functional requirements for clothing, backpacks, and other equipment are extremely stringent. These items not only need to have excellent abrasion resistance to withstand the challenges of complex working environments, but more importantly, they must have superior waterproofing to ensure the safety and comfort of users under complex working conditions.

[0003] Polyester, also known as polyester (PET, polyethylene terephthalate) fiber, is obtained by spinning polyester, which is formed by the condensation polymerization of organic diacids and diols. It has the advantages of good wrinkle resistance and shape retention, high strength and strong elastic recovery ability. It is also durable, wrinkle-resistant and requires no ironing. It can be spun alone or blended with other fibers, so it is widely used in clothing, home textiles, decoration and industrial fields.

[0004] Chinese patent document CN119507240A discloses a waterproof finishing post-treatment method, including the following steps: the dyed fabric undergoes a waterproof setting process, a washing process, and a setting process in sequence, wherein the washing process includes washing under alkaline conditions and acidic conditions in sequence. This invention's waterproof finishing post-treatment method, by washing the waterproof-finished fabric under alkaline conditions, fully removes the alcohol substances inherent in the fluorine-free waterproofing agent on the fabric, improving the waterproof effect; then, by washing the fabric under acidic conditions, it neutralizes the alkaline substances on the fabric and performs a secondary baking, making the waterproof effect more stable. However, the fabric obtained using this post-treatment method has limited functionality and poor durability. Summary of the Invention

[0005] The main objective of this invention is to propose a finishing process that improves the waterproofness of fabrics. Fabrics obtained using this finishing process have good waterproof, flame-retardant, and abrasion-resistant properties, making them suitable for use in complex working environments.

[0006] To achieve the above objectives, this invention proposes a finishing process for improving the water resistance of fabrics, comprising the following steps: S1. The polyester fiber is placed in an aqueous sodium hydroxide solution for etching treatment. The etched polyester fiber is dispersed in water, and polyethyleneimine, epichlorohydrin and sodium carbonate are added. The mixture is heated to react. After the reaction is completed, the polyester fiber is taken out, washed and dried to obtain pretreated polyester fiber. Then, the pretreated polyester fiber and bamboo fiber are blended and woven to obtain fabric greige. S2. The fabric blank is immersed in the finishing solution and subjected to padding treatment. Then, the padded fabric blank is baked, washed, and dried to obtain waterproof fabric.

[0007] Preferably, in step S1, the concentration of the sodium hydroxide aqueous solution is 1-3 mol / L, the etching temperature is 50-80℃, and the etching time is 0.5-1 h; the mass ratio of polyester fiber, polyethyleneimine, epichlorohydrin, sodium carbonate, and bamboo fiber is 10:0.5-1:0.2-0.5:0.15-0.3:8-12; and the heating reaction temperature is 50-70℃, and the reaction time is 1.5-3 h.

[0008] Preferably, the finishing solution in step S2 is obtained by mixing the following components in parts by weight: 40-60 parts perfluoroalkyl ethyl acrylate, 5-10 parts polyethylene glycol diglycidyl ether, 1-3 parts modified graphene oxide, 2-4 parts emulsifier, and 100-200 parts water.

[0009] A further preferred embodiment of the method for preparing the modified graphene oxide includes the following steps: (1) Mix graphene oxide with anhydrous ethanol evenly, then add vinyltriethoxysilane, heat and stir to obtain vinylated graphene oxide; (2) 2,6-Difluorocinnamaldehyde was dissolved in N,N-dimethylformamide. Under N2 protection, vinylized graphene oxide and initiator AIBN were added to carry out an addition reaction. After the reaction was completed, the mixture was cooled, centrifuged to collect the precipitate, washed and dried to obtain functionalized graphene oxide. (3) Functionalized graphene oxide is dispersed in anhydrous ethanol, and then 12-aminododecyl alcohol is added and mixed evenly. Glacial acetic acid is added dropwise as a catalyst and the reaction is refluxed. After the reaction is completed, the product is cooled, filtered, collected, washed and dried to obtain modified graphene oxide.

[0010] Preferably, in step (1), the mass ratio of graphene oxide to vinyltriethoxysilane is 10:0.4-0.6; the heating and stirring temperature is 30-50℃, and the heating time is 3-5h.

[0011] Preferably, in step (2), the mass ratio of 2,6-difluorocinnamaldehyde, vinylized graphene oxide, and initiator is 0.4-0.6:10:0.2-0.4; the addition reaction temperature is 60-80℃, and the reaction time is 8-12h.

[0012] Preferably, in step (3), the mass ratio of functionalized graphene oxide to 12-aminododecyl alcohol is 10:0.5-0.8; the mass of glacial acetic acid is 0.5-1% of the mass of anhydrous ethanol; and the reflux reaction time is 10-20 h.

[0013] This invention significantly improves the waterproof, flame-retardant, and mechanical properties of fabrics by adding modified graphene oxide to the finishing solution. The preparation process begins by introducing carbon-carbon double bonds onto the surface of the graphene oxide. Then, 2,6-difluorocinnamaldehyde undergoes an addition reaction with the carbon-carbon double bonds to fix the 2,6-difluorocinnamaldehyde onto the surface of the graphene oxide and introduce aldehyde groups. Finally, the amino group on 12-aminododecyl alcohol undergoes a Schiff base reaction with the aldehyde group, thereby grafting the hydrophobic long-chain 12-aminododecyl alcohol onto the graphene oxide molecule and introducing alcohol hydroxyl groups.

[0014] Preferably, the emulsifier is fatty alcohol polyoxyethylene ether.

[0015] Preferably, the immersion rolling process in step S2 is a two-dip two-roll immersion rolling process with a liquid carryover rate of 75-95%.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: 1) This invention provides a finishing process to improve the waterproofness of fabrics. It uses a blend of polyester fiber and bamboo fiber. The high strength, wrinkle resistance, shape retention and dimensional stability of polyester fiber are used as the strong skeleton of the fabric to ensure the durability and crispness of the fabric. At the same time, the soft hand feel, moisture absorption and breathability and natural antibacterial and deodorizing functions of bamboo fiber are incorporated, which helps to improve the wearing comfort and health and environmental protection properties of the fabric. 2) The present invention uses sodium hydroxide aqueous solution to etch polyester fibers, which can produce irregular pits and gaps on the fiber surface, providing more physical anchoring points for subsequent processing steps, and generating a large number of active hydroxyl and carboxyl groups on the polyester surface; then, under the cross-linking effect of epichlorohydrin, polyethyleneimine with flame retardant properties is introduced into the polyester fibers, which is beneficial to improving the flame retardancy of the fabric. 3) This invention improves the waterproof, flame-retardant, and abrasion-resistant properties of the fabric by treating it with a finishing solution. The perfluoroalkyl ethyl acrylate forms a protective film with extremely low surface energy on the fiber surface through directional alignment, effectively resisting water droplet penetration. Modification of flame-retardant graphene oxide introduces fluorocarbon chains and aldehyde groups with extremely low surface energy, which improves the fabric's hydrophobicity. Finally, the amino groups on 12-aminododecyl alcohol undergo a Schiff base reaction with the aldehyde groups, grafting the hydrophobic long-chain 12-aminododecyl alcohol onto the graphene oxide molecule and introducing hydroxyl groups. This further enhances the fabric's hydrophobic properties. Furthermore, during the baking process, the epoxy groups in polyethylene glycol diglycidyl ether cross-link with the hydroxyl groups in the 12-aminododecyl alcohol molecule, as well as the amino and hydroxyl groups on the surfaces of the pretreated polyester and bamboo fibers. This cross-links the modified graphene oxide with the fabric, allowing for efficient stress transfer and imparting excellent mechanical properties to the fabric. Detailed Implementation

[0017] To avoid unnecessary details, unless otherwise specified, all items used in the following examples are commercially available products, and all methods used are conventional methods unless otherwise specified.

[0018] The sources of some of the raw materials used in this invention are as follows: Graphene oxide, with 2-5 layers, an average thickness of 1-3 nm, and a diameter of 4-7 μm, was purchased from Hangzhou Zheming New Materials Co., Ltd.

[0019] Example 1

[0020] A finishing process for improving the water resistance of fabrics includes the following steps: S1. Immerse 500g of polyester fiber in 1000mL of 1mol / L sodium hydroxide aqueous solution and etch it at 60℃ for 0.5h. After etching, take out the polyester fiber and wash it with water until the filtrate is neutral. Then disperse the etched polyester fiber in 1000g of water, add 8g of polyethyleneimine, 3g of epichlorohydrin and 2g of sodium carbonate, and heat it at 60℃ for 2h. After the reaction is complete, take out the polyester fiber, wash and dry it to obtain pretreated polyester fiber. Then blend the pretreated polyester fiber with 500g of bamboo fiber to obtain the fabric greige. S2. The fabric blank is immersed in the finishing solution and subjected to two dips and two nips, with a liquid retention rate of 80%. Then, the fabric blank after the dip and nips treatment is baked, washed, and dried to obtain waterproof fabric.

[0021] The finishing solution is prepared by uniformly mixing 500g of perfluoroalkyl ethyl acrylate, 68g of polyethylene glycol diglycidyl ether, 20g of modified graphene oxide, 30g of fatty alcohol polyoxyethylene ether AEO-9, and 1500mL of water.

[0022] The method for preparing the modified graphene oxide includes the following steps: (1) Mix 10g of graphene oxide with 200mL of anhydrous ethanol evenly, then add 0.5g of vinyltriethoxysilane, heat and stir at 50°C for 4h, filter, collect the solid, wash and dry to obtain vinylated graphene oxide. (2) Dissolve 0.5g of 2,6-difluorocinnamaldehyde in 200mL of N,N-dimethylformamide. Under N2 protection, add 10g of vinylized graphene oxide and 0.4g of azobisisobutyronitrile. React at 70℃ for 10h. After the reaction is completed, cool, centrifuge to collect the precipitate, wash and dry to obtain functionalized graphene oxide. (3) Disperse 10g of functionalized graphene oxide in 200mL of anhydrous ethanol, add 0.7g of 12-aminododecyl alcohol and mix well, add 1.6g of glacial acetic acid as a catalyst, reflux at 65℃ for 15h, cool, filter and collect solid product, wash and dry to obtain modified graphene oxide.

[0023] Example 2

[0024] A finishing process for improving the water resistance of fabrics includes the following steps: S1. Immerse 500g of polyester fiber in 1000mL of 1mol / L sodium hydroxide aqueous solution and etch it at 60℃ for 1h. After etching, remove the polyester fiber and wash it with water until the filtrate is neutral. Then disperse the etched polyester fiber in 1000g of water, add 5g of polyethyleneimine, 2g of epichlorohydrin and 1.5g of sodium carbonate, and heat at 50℃ for 3h. After the reaction is complete, remove the polyester fiber, wash and dry it to obtain pretreated polyester fiber. Then blend the pretreated polyester fiber with 550g of bamboo fiber to obtain the fabric greige. S2. The fabric blank is immersed in the finishing solution and subjected to two dips and two nips, with a liquid retention rate of 80%. Then, the fabric blank after the dip and nips treatment is baked, washed, and dried to obtain waterproof fabric.

[0025] The finishing solution is prepared by uniformly mixing 400g of perfluoroalkyl ethyl acrylate, 50g of polyethylene glycol diglycidyl ether, 10g of modified graphene oxide, 20g of fatty alcohol polyoxyethylene ether AEO-9, and 1000mL of water.

[0026] The method for preparing the modified graphene oxide includes the following steps: (1) Mix 10g of graphene oxide with 200mL of anhydrous ethanol until homogeneous, then add 0.4g of vinyltriethoxysilane, heat and stir at 40°C for 5h, filter, collect the solid, wash and dry to obtain vinylated graphene oxide. (2) Dissolve 0.4g of 2,6-difluorocinnamaldehyde in 200mL of N,N-dimethylformamide. Under N2 protection, add 10g of vinylized graphene oxide and 0.2g of azobisisobutyronitrile. React at 60℃ for 12h. After the reaction is completed, cool, centrifuge to collect the precipitate, wash and dry to obtain functionalized graphene oxide. (3) Disperse 10g of functionalized graphene oxide in 200mL of anhydrous ethanol, add 0.5g of 12-aminododecyl alcohol and mix well, add 1g of glacial acetic acid as a catalyst, reflux at 65℃ for 15h, cool, filter and collect solid product, wash and dry to obtain modified graphene oxide.

[0027] Example 3

[0028] A finishing process for improving the water resistance of fabrics includes the following steps: S1. Immerse 500g of polyester fiber in 1000mL of 3mol / L sodium hydroxide aqueous solution and etch it at 60℃ for 0.5h. After etching, take out the polyester fiber and wash it with water until the filtrate is neutral. Then disperse the etched polyester fiber in 1000g of water, add 10g of polyethyleneimine, 5g of epichlorohydrin and 3g of sodium carbonate, and heat it at 70℃ for 1.5h. After the reaction is complete, take out the polyester fiber, wash and dry it to obtain pretreated polyester fiber. Then blend the pretreated polyester fiber with 600g of bamboo fiber to obtain the fabric greige. S2. The fabric blank is immersed in the finishing solution and subjected to two dips and two pads with a liquid retention rate of 90%. Then, the fabric blank after the dip and pad treatment is baked, washed, and dried to obtain waterproof fabric.

[0029] The finishing solution is prepared by uniformly mixing 600g of perfluoroalkyl ethyl acrylate, 100g of polyethylene glycol diglycidyl ether, 30g of modified graphene oxide, 40g of fatty alcohol polyoxyethylene ether AEO-9, and 2000mL of water.

[0030] The method for preparing the modified graphene oxide includes the following steps: (1) Mix 10g of graphene oxide with 200mL of anhydrous ethanol evenly, then add 0.6g of vinyltriethoxysilane, heat and stir at 50°C for 3h, filter, collect the solid, wash and dry to obtain vinylated graphene oxide. (2) Dissolve 0.6g of 2,6-difluorocinnamaldehyde in 200mL of N,N-dimethylformamide. Under N2 protection, add 10g of vinylized graphene oxide and 0.5g of azobisisobutyronitrile. React at 80℃ for 8h. After the reaction is completed, cool, centrifuge to collect the precipitate, wash and dry to obtain functionalized graphene oxide. (3) Disperse 10g of functionalized graphene oxide in 200mL of anhydrous ethanol, add 0.8g of 12-aminododecyl alcohol and mix well, add 2g of glacial acetic acid as a catalyst, reflux at 65℃ for 15h, cool, filter and collect solid product, wash and dry to obtain modified graphene oxide.

[0031] Comparative Example 1 A finishing process for improving the water resistance of fabrics includes the following steps: S1. Immerse 500g of polyester fiber in 1000mL of 1mol / L sodium hydroxide aqueous solution and etch it at 60℃ for 0.5h. After etching, take out the polyester fiber and wash it with water until the filtrate is neutral. Then disperse the etched polyester fiber in 1000g of water, add 8g of polyethyleneimine, 3g of epichlorohydrin and 2g of sodium carbonate, and heat it at 60℃ for 2h. After the reaction is complete, take out the polyester fiber, wash and dry it to obtain pretreated polyester fiber. Then blend the pretreated polyester fiber with 500g of bamboo fiber to obtain the fabric greige. S2. The fabric blank is immersed in the finishing solution and subjected to two dips and two nips, with a liquid retention rate of 80%. Then, the fabric blank after the dip and nips treatment is baked, washed, and dried to obtain waterproof fabric.

[0032] The finishing solution is prepared by uniformly mixing 500g of perfluoroalkyl ethyl acrylate, 68g of polyethylene glycol diglycidyl ether, 20g of modified graphene oxide, 30g of fatty alcohol polyoxyethylene ether AEO-9, and 1500mL of water.

[0033] The preparation method of the modified graphene oxide is similar to that in Example 1, except that 12-aminododecyl alcohol is not added, and specifically includes the following steps: (1) Mix 10g of graphene oxide with 200mL of anhydrous ethanol evenly, then add 0.5g of vinyltriethoxysilane, heat and stir at 50°C for 4h, filter, collect the solid, wash and dry to obtain vinylated graphene oxide. (2) Dissolve 0.5g of 2,6-difluorocinnamaldehyde in 200mL of N,N-dimethylformamide. Under N2 protection, add 10g of vinylized graphene oxide and 0.4g of azobisisobutyronitrile. React at 70℃ for 10h. After the reaction is completed, cool, centrifuge to collect the precipitate, wash and dry to obtain modified graphene oxide.

[0034] Comparative Example 2 A finishing process for improving the water resistance of fabrics includes the following steps: S1. Immerse 500g of polyester fiber in 1000mL of 1mol / L sodium hydroxide aqueous solution and etch it at 60℃ for 0.5h. After etching, take out the polyester fiber and wash it with water until the filtrate is neutral. Then disperse the etched polyester fiber in 1000g of water, add 8g of polyethyleneimine, 3g of epichlorohydrin and 2g of sodium carbonate, and heat it at 60℃ for 2h. After the reaction is complete, take out the polyester fiber, wash and dry it to obtain pretreated polyester fiber. Then blend the pretreated polyester fiber with 500g of bamboo fiber to obtain the fabric greige. S2. The fabric blank is immersed in the finishing solution and subjected to two dips and two nips, with a liquid retention rate of 80%. Then, the fabric blank after the dip and nips treatment is baked, washed, and dried to obtain waterproof fabric.

[0035] The finishing solution is prepared by uniformly mixing 500g of perfluoroalkyl ethyl acrylate, 68g of polyethylene glycol diglycidyl ether, 20g of modified graphene oxide, 30g of fatty alcohol polyoxyethylene ether AEO-9, and 1500mL of water.

[0036] The preparation method of the modified graphene oxide is similar to that in Example 1, except that 12-aminododecyl alcohol is not added and physical mixing is used instead. Specifically, it includes the following steps: (1) Mix 10g of graphene oxide with 200mL of anhydrous ethanol evenly, then add 0.5g of vinyltriethoxysilane, heat and stir at 50°C for 4h, filter, collect the solid, wash and dry to obtain vinylated graphene oxide. (2) Dissolve 0.5g of 2,6-difluorocinnamaldehyde in 200mL of N,N-dimethylformamide. Under N2 protection, add 10g of vinylized graphene oxide and 0.4g of azobisisobutyronitrile. React at 70℃ for 10h. After the reaction is completed, cool, centrifuge to collect the precipitate, wash and dry to obtain functionalized graphene oxide. (3) Mix 10g of functionalized graphene oxide and 0.7g of 12-aminododecyl alcohol evenly to obtain modified graphene oxide.

[0037] Comparative Example 3 A finishing process for improving the water resistance of fabrics includes the following steps: S1. Immerse 500g of polyester fiber in 1000mL of 1mol / L sodium hydroxide aqueous solution and etch it at 60℃ for 0.5h. After etching, take out the polyester fiber and wash it with water until the filtrate is neutral. Then disperse the etched polyester fiber in 1000g of water, add 8g of polyethyleneimine, 3g of epichlorohydrin and 2g of sodium carbonate, and heat it at 60℃ for 2h. After the reaction is complete, take out the polyester fiber, wash and dry it to obtain pretreated polyester fiber. Then blend the pretreated polyester fiber with 500g of bamboo fiber to obtain the fabric greige. S2. The fabric blank is immersed in the finishing solution and subjected to two dips and two nips, with a liquid retention rate of 80%. Then, the fabric blank after the dip and nips treatment is baked, washed, and dried to obtain waterproof fabric.

[0038] The finishing solution is prepared by uniformly mixing 500g of perfluoroalkyl ethyl acrylate, 68g of polyethylene glycol diglycidyl ether, 20g of modified graphene oxide, 30g of fatty alcohol polyoxyethylene ether AEO-9, and 1500mL of water.

[0039] The preparation method of the modified graphene oxide is similar to that in Example 1, except that 2,6-difluorocinnamaldehyde is prepared by physical mixing, specifically including the following steps: (1) Mix 10g of graphene oxide with 200mL of anhydrous ethanol evenly, then add 0.5g of vinyltriethoxysilane, heat and stir at 50°C for 4h, filter, collect the solid, wash and dry to obtain vinylated graphene oxide. (2) 0.5g of 2,6-difluorocinnamaldehyde and 10g of vinylized graphene oxide were mixed evenly to obtain modified graphene oxide.

[0040] Performance testing The test subjects were the waterproof fabrics prepared in Examples 1-3 and Comparative Examples 1-3; Water repellency test: The test was conducted in accordance with GB / T4745-2012 "Test and evaluation of water repellency of textiles - water-soaking method", and the water repellency level of the samples was distinguished. In accordance with GB / T4744-2013 standard, the hydrostatic pressure test was conducted using the Darong Textile Instrument YG(B)812D water permeability tester. The pressure increase rate was 6 kPa / min. The pressure value was recorded when three water droplets appeared on the sample. Flame retardant performance test: The limiting oxygen index of the waterproof fabrics prepared in Examples 1-3 and Comparative Examples 1-3 was determined by using the FYH830 critical oxygen index tester according to the test method of GB / T5454-1997 "Test for Burning Performance of Textiles - Oxygen Index Method". Abrasion resistance test: Five circular samples with a diameter of 120 mm were cut from the waterproof fabrics prepared in Examples 1-3 and Comparative Examples 1-3, respectively. A 500g weight was applied, and the weight loss of the fabric was tested after 200 revolutions. The weight loss rate of the fabric was calculated. The weight loss rate was calculated as W = (G1 - G2) / G1. Where W is the fabric weight loss rate, G1 is the fabric weight before grinding, G2 is the fabric weight after grinding, and the test results are taken as the average value. The test results are shown in Table 1: Table 1 Performance test results of waterproof fabrics

[0041] As can be seen from the experimental results in Table 1, the waterproof fabric obtained by the finishing process of the present invention to improve the waterproofness of the fabric has good water repellency, flame retardancy and abrasion resistance.

[0042] The above are merely preferred embodiments of the present invention and do not limit the patent scope of the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the patent protection scope of the present invention.

Claims

1. A finishing process for improving the water resistance of fabrics, characterized in that, Includes the following steps: S1. The polyester fiber is placed in an aqueous sodium hydroxide solution for etching treatment. The etched polyester fiber is dispersed in water, and polyethyleneimine, epichlorohydrin and sodium carbonate are added. The mixture is heated to react. After the reaction is completed, the polyester fiber is taken out, washed and dried to obtain pretreated polyester fiber. Then, the pretreated polyester fiber and bamboo fiber are blended and woven to obtain fabric greige. S2. The fabric blank is immersed in the finishing solution and subjected to padding treatment. Then, the padded fabric blank is baked, washed, and dried to obtain waterproof fabric.

2. The finishing process according to claim 1, characterized in that: In step S1, the concentration of the sodium hydroxide aqueous solution is 1-3 mol / L, the etching temperature is 50-80℃, and the etching time is 0.5-1h.

3. The finishing process according to claim 1, characterized in that, In step S1, the mass ratio of polyester fiber, polyethyleneimine, epichlorohydrin, sodium carbonate, and bamboo fiber is 10:0.5-1:0.2-0.5:0.15-0.3:8-12.

4. The finishing process according to claim 1, characterized in that: The finishing solution in step S2 is obtained by mixing the following components in parts by weight: 40-60 parts perfluoroalkyl ethyl acrylate, 5-10 parts polyethylene glycol diglycidyl ether, 1-3 parts modified graphene oxide, 2-4 parts emulsifier, and 100-200 parts water.

5. The finishing process according to claim 4, characterized in that, The method for preparing the modified graphene oxide includes the following steps: (1) Mix graphene oxide with anhydrous ethanol evenly, then add vinyltriethoxysilane, heat and stir to obtain vinylated graphene oxide; (2) 2,6-Difluorocinnamaldehyde was dissolved in N,N-dimethylformamide. Under N2 protection, vinylized graphene oxide and initiator AIBN were added to carry out an addition reaction. After the reaction was completed, the mixture was cooled, centrifuged to collect the precipitate, washed and dried to obtain functionalized graphene oxide. (3) Functionalized graphene oxide is dispersed in anhydrous ethanol, and then 12-aminododecyl alcohol is added and mixed evenly. Glacial acetic acid is added dropwise as a catalyst and the reaction is refluxed. After the reaction is completed, the product is cooled, filtered, collected, washed and dried to obtain modified graphene oxide.

6. The finishing process according to claim 4, characterized in that: In step (1), the mass ratio of graphene oxide to vinyltriethoxysilane is 10:0.4-0.

6.

7. The finishing process according to claim 4, characterized in that: In step (2), the mass ratio of 2,6-difluorocinnamaldehyde, vinylized graphene oxide, and initiator is 0.4-0.6:10:0.2-0.

4.

8. The finishing process according to claim 4, characterized in that: In step (3), the mass ratio of functionalized graphene oxide to 12-aminododecyl alcohol is 10:0.5-0.

8.

9. The finishing process according to claim 1, characterized in that: The emulsifier is fatty alcohol polyoxyethylene ether.

10. A waterproof fabric, characterized in that: It is prepared by the finishing process described in any one of claims 1-9.

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