Disclosure of Invention
The invention aims to provide wear-resistant, tear-resistant and antistatic fabric and a preparation process thereof, so as to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
a preparation process of wear-resistant, tear-resistant and antistatic fabric comprises the following steps:
S1, weaving cotton fibers and nylon 66 yarns in a mixed mode to serve as warp yarns, weaving cotton fibers, T400 composite fibers, spandex fibers and high-molecular-weight polyethylene in a mixed mode to serve as weft yarns, and weaving, dyeing and shaping to obtain outer-layer fabric base cloth;
s2, immersing the outer layer fabric base cloth in a hydroxylation modification liquid to obtain a surface hydroxylation modification base cloth;
S3, carrying out surface modification on the surface hydroxylation modified base cloth by maleic anhydride to obtain surface vinyl base cloth;
s4, immersing the surface vinyl base cloth in the antistatic finishing liquid, adding a photocuring agent, irradiating under the condition of introducing nitrogen, taking out and drying to obtain the antistatic base cloth;
S5, dipping the antistatic base cloth in the antifouling finishing liquid, taking out and drying to obtain an outer layer fabric;
s6, the inner layer fabric is knitted polar fleece, and the inner layer fabric and the outer layer fabric are compounded through the modified aqueous polyurethane adhesive to obtain the wear-resistant, tear-resistant and antistatic fabric.
Further, the base cloth of the outer layer fabric comprises, by mass, 65-70% of cotton fibers, 10-15% of nylon 66 yarns, 10-20% of high molecular weight polyethylene, 2-5% of T400 composite fibers and 1-5% of spandex fibers.
Further, the inner layer fabric is knitted polar fleece.
Further, the hydroxylation modification liquid comprises deionized water as a solvent in the step S2, wherein the mass concentration of NaOH is 10-20g/L, the mass concentration of cetyltrimethylammonium bromide is 3-6g/L, and the working condition of the dipping treatment in the step S2 is that the temperature is 85-90 ℃ and the time is 1h.
In the step S3, the mass ratio of the surface hydroxylation modified base cloth to maleic anhydride is 3:1, the pH of the system is 7.2-8.2, the bath ratio is 1:10, and the reaction time is 9-10h.
In the step S4, the working condition of illumination is that radiation treatment is carried out for 10-15min at 365 nm.
Further, the preparation of the antistatic finishing liquid comprises the following steps:
Mixing raw silk of mulberry silkworm, sodium carbonate and deionized water, preserving heat for 3-4 hours at 95-100 ℃, cooling, dialyzing in deionized water for 48 hours, adding maleic anhydride, stirring, adjusting the pH to 7-8, and preserving heat for 5-6 hours at 0-5 ℃ to obtain the antistatic finishing liquid.
Further, the preparation of the antifouling finishing liquid comprises the following steps:
1) Mixing and grinding titanium dioxide and sodium borohydride for 20-30min, heating from 25 ℃ to 300 ℃ at 10 ℃ per min under argon atmosphere, then preserving heat for 30-40min, cooling, cleaning with deionized water and absolute ethyl alcohol, and drying to obtain hydrogenated titanium dioxide;
2) Mixing hydrogenated titanium dioxide, molybdenum disulfide and deionized water, ultrasonically stirring for 20-30min, transferring into a polytetrafluoroethylene lining reaction kettle, maintaining at 95-100 ℃ for 9-10h, centrifuging, washing and drying to obtain composite titanium dioxide;
3) Mixing trialkoxy end polydimethylsiloxane and tetrahydrofuran, adding hydrochloric acid, stirring for 1h, adding composite titanium dioxide, and stirring for 22-24h to obtain suspension, namely the antifouling finishing liquid.
Further, the mass ratio of the trialkoxy end polydimethylsiloxane to the composite titanium dioxide is 1:1.
Further, the preparation of the modified aqueous polyurethane adhesive comprises the following steps:
(1) Mixing citric acid with the mass ratio of 2:1 with chitosan, stirring for 20-30min, centrifuging, washing, and drying to obtain citrated chitosan;
(2) Mixing citrated chitosan and deionized water, performing ultrasonic dispersion for 1-2h, adjusting the pH value to 8.8-9.2, adding the aqueous polyurethane adhesive, mixing, and stirring for 1-2h at 15-25 ℃ to obtain the modified aqueous polyurethane adhesive.
The invention has the beneficial effects that:
The invention provides a wear-resistant, tear-resistant and antistatic fabric and a preparation process thereof, warp yarns of the fabric are woven by cotton fibers and nylon 66 yarns in a mixed mode, weft yarns are woven by cotton fibers, T400 composite fibers, spandex fibers and high-molecular-weight polyethylene in a mixed mode, and the prepared fabric has excellent wear resistance, tear resistance, antistatic property and antibacterial property through process and component optimization, and the functionality and comfort level of the fabric are greatly improved.
The warp yarn of the prepared outer layer fabric is woven by cotton fiber and nylon 66 yarn in a blending way to improve the wear resistance of the fabric, the weft yarn of the outer layer fabric is woven by cotton fiber, T400 composite fiber, spandex fiber and high molecular weight polyethylene in a blending way to improve the tear resistance of the fabric, the prepared inner layer fabric is woven by conductive yarn polar fleece to synergistically improve the antistatic and thermal insulation functions of the fabric, and the inner layer fabric and the outer layer fabric are compounded by using a modified aqueous polyurethane adhesive with an antibacterial function to improve the antibacterial property of the fabric.
The components and the content of the warp yarns and the weft yarns of the outer layer fabric are controlled to limit, so that the outer layer fabric base fabric which is easy to wash and dry, not easy to wrinkle and good in stiffness is obtained, the comfort of the fabric is improved, but the macromolecules of the fibers in the outer layer fabric base fabric are mostly in a symmetrical structure, the phenylene rigidity is high, and the hydrophilic groups are lacking, so that static electricity is easy to generate in use;
the existing textile industry mostly adopts alkali deweighting treatment to fabric and then carries out crosslinking through glutaraldehyde to endow the fabric with certain antistatic property, but aldehyde finishing agents such as glutaraldehyde and the like have the problem of environmental protection.
According to the invention, the antistatic property of the fabric is improved by treating the outer-layer fabric base cloth and the sericin, and introducing the sericin, wherein the introduced sericin has good hydrophilicity and biological safety, improves the comfort of the fabric, firstly, the outer-layer fabric base cloth is subjected to alkali decrement treatment, hydroxyl reaction sites are introduced into the surface, and maleic anhydride is grafted to obtain the vinyl outer-layer fabric base cloth;
according to the invention, a hydrophobic antifouling layer is constructed on an outer layer fabric, so that the waterproof antifouling property of the fabric is improved, the antifouling finishing liquid is prepared by using trialkoxy end polydimethylsiloxane with low surface energy and composite titanium dioxide with photocatalytic activity, and the composite titanium dioxide is obtained by compositing molybdenum disulfide and hydrogenated titanium dioxide, so that the hydrophobic antifouling property of the fabric is improved, and the wear resistance and antibacterial property of the fabric are cooperatively improved.
The maleic anhydride modified sericin in the antistatic finishing liquid is introduced, so that the binding force of the trialkoxy end polydimethylsiloxane and the composite titanium dioxide with the fabric is cooperatively improved, and the fabric achieves the lasting antibacterial and antifouling effects;
The citric acid chitosan is used for modifying the aqueous polyurethane adhesive, and the modified aqueous polyurethane adhesive is used for compounding the outer layer fabric and the inner layer fabric, so that the antibacterial property of the fabric is greatly improved, and the antibacterial durability of the fabric is prolonged.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the embodiment of the present invention, directional instructions such as up, down, left, right, front, and rear are referred to, and the directional instructions are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a particular posture, and if the particular posture is changed, the directional instructions are changed accordingly. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The following description of the embodiments of the present invention will be presented in further detail with reference to the examples, which should be understood as being merely illustrative of the present invention and not limiting.
Example 1
A preparation process of wear-resistant, tear-resistant and antistatic fabric comprises the following steps:
S1, weaving cotton fibers and nylon 66 yarns in a mixed mode to serve as warp yarns, weaving cotton fibers, T400 composite fibers, spandex fibers and high-molecular-weight polyethylene in a mixed mode to serve as weft yarns, and weaving, dyeing and shaping to obtain outer-layer fabric base cloth;
The base cloth of the outer layer fabric comprises 67% of cotton fibers, 13% of nylon 66 yarns, 15% of high molecular weight polyethylene, 3% of T400 composite fibers and 2% of spandex fibers in percentage by mass;
s2, immersing the outer layer fabric base cloth in a hydroxylation modification liquid to obtain a surface hydroxylation modification base cloth;
The hydroxylation modification liquid takes deionized water as a solvent, wherein the mass concentration of NaOH is 10g/L, the mass concentration of hexadecyl trimethyl ammonium bromide is 3g/L, and the working condition of the dipping treatment in the step S2 is that the temperature is 85 ℃ and the time is 1h;
S3, carrying out surface modification on the surface hydroxylation modified base cloth by maleic anhydride to obtain surface vinyl base cloth;
The mass ratio of the surface hydroxylation modified base cloth to maleic anhydride is 3:1, the pH of the system is 7.2, the bath ratio is 1:10, and the reaction time is 9h;
s4, immersing the surface vinyl base cloth in antistatic finishing liquid, adding 0.1g of photo-curing agent Irgacure2959, and irradiating under the working condition of introducing nitrogen for 10min under the working condition of 365 nm;
The preparation of the antistatic finishing liquid comprises the following steps:
10g of raw mulberry silk, 0.1g of sodium carbonate and 200mL of deionized water are mixed, the mixture is kept at 95 ℃ for 4 hours, cooled, dialyzed in the deionized water for 48 hours, 80g of maleic anhydride is added for stirring, the pH is adjusted to 7, and the mixture is kept at 0 ℃ for 5 hours, so that the antistatic finishing liquid is obtained;
S5, dipping the antistatic base cloth in the antifouling finishing liquid, taking out and drying to obtain an outer layer fabric;
The preparation of the antifouling finishing liquid comprises the following steps:
1) Mixing and grinding 4g of titanium dioxide and 1.5g of sodium borohydride for 20min, heating from 25 ℃ to 300 ℃ at 10 ℃ per min under argon atmosphere, then preserving heat for 30min, cooling, washing with deionized water and absolute ethyl alcohol, and drying to obtain hydrogenated titanium dioxide;
2) Mixing 100mg of hydrogenated titanium dioxide, 30mg of molybdenum disulfide and 60mL of deionized water, ultrasonically stirring for 20min, transferring into a polytetrafluoroethylene-lined reaction kettle, maintaining at 95 ℃ for 10h, centrifuging, washing and drying to obtain composite titanium dioxide;
3) Mixing 1g of trialkoxy end polydimethylsiloxane and 100g of tetrahydrofuran, adding 1mL of hydrochloric acid, stirring for 1h, adding 1g of composite titanium dioxide, and stirring for 22h to obtain suspension, namely the antifouling finishing liquid;
S6, the inner layer fabric is knitted polar fleece, and the inner layer fabric and the outer layer fabric are compounded through a modified waterborne polyurethane adhesive to obtain the wear-resistant, tear-resistant and antistatic fabric;
the preparation method of the modified waterborne polyurethane adhesive comprises the following steps:
(1) Mixing citric acid with the mass ratio of 2:1 with chitosan, stirring for 20min, centrifuging, washing, and drying to obtain citrated chitosan;
(2) 3g of citrated chitosan and 17mL of deionized water are mixed, ultrasonic dispersion is carried out for 1h, the pH value is adjusted to 8.8, 6g of aqueous polyurethane adhesive is added for mixing, and stirring is carried out for 2h at 15 ℃ to obtain the modified aqueous polyurethane adhesive.
Example 2
A preparation process of wear-resistant, tear-resistant and antistatic fabric comprises the following steps:
S1, weaving cotton fibers and nylon 66 yarns in a mixed mode to serve as warp yarns, weaving cotton fibers, T400 composite fibers, spandex fibers and high-molecular-weight polyethylene in a mixed mode to serve as weft yarns, and weaving, dyeing and shaping to obtain outer-layer fabric base cloth;
The base cloth of the outer layer fabric comprises 67% of cotton fibers, 13% of nylon 66 yarns, 15% of high molecular weight polyethylene, 3% of T400 composite fibers and 2% of spandex fibers in percentage by mass;
s2, immersing the outer layer fabric base cloth in a hydroxylation modification liquid to obtain a surface hydroxylation modification base cloth;
The hydroxylation modification liquid takes deionized water as a solvent, wherein the mass concentration of NaOH is 15g/L, the mass concentration of hexadecyl trimethyl ammonium bromide is 5g/L, and the working condition of the dipping treatment in the step S2 is that the temperature is 88 ℃ and the time is 1h;
S3, carrying out surface modification on the surface hydroxylation modified base cloth by maleic anhydride to obtain surface vinyl base cloth;
the mass ratio of the surface hydroxylation modified base cloth to maleic anhydride is 3:1, the pH of the system is 8, the bath ratio is 1:10, and the reaction time is 9.5 hours;
s4, immersing the surface vinyl base cloth in antistatic finishing liquid, adding a photo-curing agent Irgacure2959, and irradiating under the working condition of introducing nitrogen for 12min under the working condition of 365 nm;
The preparation of the antistatic finishing liquid comprises the following steps:
10g of raw mulberry silk, 0.1g of sodium carbonate and 200mL of deionized water are mixed, the temperature is kept at 98 ℃ for 3.5 hours, the mixture is cooled, the mixture is dialyzed for 48 hours in the deionized water, 80g of maleic anhydride is added and stirred, the pH is adjusted to 7.5, and the temperature is kept at 2 ℃ for 5.5 hours, so that the antistatic finishing liquid is obtained;
S5, dipping the antistatic base cloth in the antifouling finishing liquid, taking out and drying to obtain an outer layer fabric;
The preparation of the antifouling finishing liquid comprises the following steps:
1) Mixing and grinding 4g of titanium dioxide and 1.5g of sodium borohydride for 25min, heating from 25 ℃ to 300 ℃ at 10 ℃ per min under argon atmosphere, then preserving heat for 35min, cooling, washing with deionized water and absolute ethyl alcohol, and drying to obtain hydrogenated titanium dioxide;
2) Mixing 100mg of hydrogenated titanium dioxide, 30mg of molybdenum disulfide and 60mL of deionized water, ultrasonically stirring for 25min, transferring into a polytetrafluoroethylene-lined reaction kettle, maintaining at 98 ℃ for 9.5h, centrifuging, washing and drying to obtain composite titanium dioxide;
3) Mixing 1g of trialkoxy end polydimethylsiloxane and 100g of tetrahydrofuran, adding 1mL of hydrochloric acid, stirring for 1h, adding 1g of composite titanium dioxide, and stirring for 23h to obtain suspension, namely the antifouling finishing liquid;
S6, the inner layer fabric is knitted polar fleece, and the inner layer fabric and the outer layer fabric are compounded through a modified waterborne polyurethane adhesive to obtain the wear-resistant, tear-resistant and antistatic fabric;
the preparation method of the modified waterborne polyurethane adhesive comprises the following steps:
(1) Mixing citric acid with the mass ratio of 2:1 with chitosan, stirring for 25min, centrifuging, washing, and drying to obtain citrated chitosan;
(2) 3g of citrated chitosan and 17mL of deionized water are mixed, ultrasonic dispersion is carried out for 1.5 hours, the pH value is adjusted to 9, 6g of aqueous polyurethane adhesive is added for mixing, and stirring is carried out for 1.5 hours at 20 ℃ to obtain the modified aqueous polyurethane adhesive.
Example 3
A preparation process of wear-resistant, tear-resistant and antistatic fabric comprises the following steps:
S1, weaving cotton fibers and nylon 66 yarns in a mixed mode to serve as warp yarns, weaving cotton fibers, T400 composite fibers, spandex fibers and high-molecular-weight polyethylene in a mixed mode to serve as weft yarns, and weaving, dyeing and shaping to obtain outer-layer fabric base cloth;
The base cloth of the outer layer fabric comprises 67% of cotton fibers, 13% of nylon 66 yarns, 15% of high molecular weight polyethylene, 3% of T400 composite fibers and 2% of spandex fibers in percentage by mass;
s2, immersing the outer layer fabric base cloth in a hydroxylation modification liquid to obtain a surface hydroxylation modification base cloth;
The hydroxylation modification liquid takes deionized water as a solvent, wherein the mass concentration of NaOH is 20g/L, the mass concentration of hexadecyl trimethyl ammonium bromide is 6g/L, and the working condition of the dipping treatment in the step S2 is that the temperature is 90 ℃ and the time is 1h;
S3, carrying out surface modification on the surface hydroxylation modified base cloth by maleic anhydride to obtain surface vinyl base cloth;
the mass ratio of the surface hydroxylation modified base cloth to maleic anhydride is 3:1, the pH of the system is 8.2, the bath ratio is 1:10, and the reaction time is 10 hours;
S4, immersing the surface vinyl base cloth in antistatic finishing liquid, adding a photo-curing agent, and irradiating under the condition of introducing nitrogen, wherein the working condition of irradiation is 365nm for 15min;
The preparation of the antistatic finishing liquid comprises the following steps:
10g of raw mulberry silk, 0.1g of sodium carbonate and 200mL of deionized water are mixed, the mixture is kept at 100 ℃ for 3 hours, cooled, dialyzed in the deionized water for 48 hours, 80g of maleic anhydride is added for stirring, the pH is adjusted to 8, and the mixture is kept at 5 ℃ for 6 hours, so that the antistatic finishing liquid is obtained;
S5, dipping the antistatic base cloth in the antifouling finishing liquid, taking out and drying to obtain an outer layer fabric;
The preparation of the antifouling finishing liquid comprises the following steps:
1) Mixing and grinding 4g of titanium dioxide and 1.5g of sodium borohydride for 30min, heating from 25 ℃ to 300 ℃ at 10 ℃ per min under argon atmosphere, then preserving heat for 40min, cooling, washing with deionized water and absolute ethyl alcohol, and drying to obtain hydrogenated titanium dioxide;
2) Mixing 100mg of hydrogenated titanium dioxide, 30mg of molybdenum disulfide and 60mL of deionized water, ultrasonically stirring for 30min, transferring into a polytetrafluoroethylene-lined reaction kettle, maintaining at 100 ℃ for 9h, centrifuging, washing and drying to obtain composite titanium dioxide;
3) Mixing 1g of trialkoxy end polydimethylsiloxane and 100g of tetrahydrofuran, adding 1mL of hydrochloric acid, stirring for 1h, adding 1g of composite titanium dioxide, and stirring for 24h to obtain suspension, namely the antifouling finishing liquid;
S6, the inner layer fabric is knitted polar fleece, and the inner layer fabric and the outer layer fabric are compounded through a modified waterborne polyurethane adhesive to obtain the wear-resistant, tear-resistant and antistatic fabric;
the preparation method of the modified waterborne polyurethane adhesive comprises the following steps:
(1) Mixing citric acid with the mass ratio of 2:1 with chitosan, stirring for 30min, centrifuging, washing, and drying to obtain citrated chitosan;
(2) 3g of citrated chitosan and 17mL of deionized water are mixed, ultrasonic dispersion is carried out for 2 hours, the pH value is adjusted to 9.2, 6g of aqueous polyurethane adhesive is added for mixing, and stirring is carried out for 1 hour at 25 ℃ to obtain the modified aqueous polyurethane adhesive.
Comparative example 1
Using example 3 as a control, no surface hydroxylation was performed and the other procedures were normal.
Comparative example 2
Using example 3 as a control, no surface vinylation was performed and the other steps were normal.
Comparative example 3
In the control group of example 3, no light was applied, and the other steps were normal.
Comparative example 4
Using example 3 as a control, no trialkoxy terminated polydimethylsiloxane was added, and the other procedures were normal.
Comparative example 5
With example 3 as a control group, the composite titanium dioxide was replaced with titanium dioxide, and the other procedures were normal.
Comparative example 6
With example 3 as a control group, the citric chitosan was replaced with chitosan and the other procedures were normal.
The raw materials and sources are as follows:
Cotton fiber (long staple cotton) Shanxi Tian cotton industry Co., ltd; nylon 66 yarn, zhejiang Jiahua special nylon limited company, T400 composite fiber, duPont in the United states, spandex fiber, 4.44tex chlorine-resistant lycra, yingweida, high molecular weight polyethylene (S09, mw=2×10 6), shanghai chemical institute, naOH, absolute ethyl alcohol, sodium carbonate, tetrahydrofuran, hydrochloric acid, sodium borohydride, analytically pure, national chemical reagent limited company, cetyl trimethylammonium bromide H811115, maleic anhydride M813920, molybdenum disulfide M888682, pyridine P816288, citric acid C805019, chitosan C804730, aqueous polyurethane adhesive A909856, shanghai Michelin biochemical technology limited company, photo-curing agent Irgacure2959, shanghai A Ding Shiji limited company, mulberry silk (5A grade mulberry silk, xinyuan cocoon yarn, tex, germany, titanium dioxide (P25), deussa limited company, trialkoxyl dimethyl silicone (Di, di) and Yiyi pure polyester yarn with a density of 200.144 mm/100 mg of high-density nylon yarn, high-density nylon yarn (F) and low-density yarn (F) of 200.15 mm/100.15 square yarn.
Performance tests of the fabric with the anti-abrasion performance of the fabric, the anti-abrasion performance of the fabric with the anti-abrasion performance of the fabric is tested in accordance with examples 1-3 and comparative examples 4-6, the fabric is excellent in comparison with GB/T21196.2-2007, the fabric is qualified in comparison with 20-25 ten thousand times, the fabric is subjected to breaking strength test in accordance with GB/T3923.2-2013, the fabric is subjected to tearing strength test in accordance with GB/T3917.1-2009, the contact angle is tested by adopting 2 mu L of water drops, the anti-bacterial test strain is escherichia coli, the fabric is tested in accordance with the anti-bacterial durability reference standard GB/T20944.3-2008, the anti-bacterial durability of the escherichia coli is observed by carrying out 500 standard washes on a test sample, and the anti-bacterial durability of the escherichia coli is measured as shown in table 1;
TABLE 1
The invention provides a wear-resistant, tear-resistant and antistatic fabric and a preparation process thereof, warp yarns of the fabric are woven by cotton fibers and nylon 66 yarns in a mixed mode, weft yarns are woven by cotton fibers, T400 composite fibers, spandex fibers and high-molecular-weight polyethylene in a mixed mode, and the prepared fabric has excellent wear resistance, tear resistance, antistatic property and antibacterial property through process and component optimization, and the functionality and comfort level of the fabric are greatly improved.
The antibacterial rate of the fabrics of examples 1-3 to escherichia coli is over 99%, and the antibacterial durability is high.
The warp yarn of the prepared outer layer fabric is woven by cotton fiber and nylon 66 yarn in a blending way to improve the wear resistance of the fabric, the weft yarn of the outer layer fabric is woven by cotton fiber, T400 composite fiber, spandex fiber and high molecular weight polyethylene in a blending way to improve the tear resistance of the fabric, the prepared inner layer fabric is woven by conductive yarn polar fleece to synergistically improve the antistatic and thermal insulation functions of the fabric, and the inner layer fabric and the outer layer fabric are compounded by using a modified aqueous polyurethane adhesive with an antibacterial function to improve the antibacterial property of the fabric.
The antistatic property is measured by referring to FZ/T01042-1996 measurement of static voltage half-life of static property of textile material, a textile antistatic property tester is adopted to discharge a sample on a rotating metal platform at a high voltage of 10kV for 30s, and the half-life is recorded as shown in Table 2;
TABLE 2
By comparing the example 3 with the comparative examples 1,2 and 3, the antistatic property of the fabric is improved by treating the outer fabric base cloth and sericin and introducing the sericin, the introduced sericin has good hydrophilicity and biological safety, the comfort of the fabric is improved, firstly, the outer fabric base cloth is subjected to alkali reduction treatment, hydroxyl reaction sites are introduced on the surface, maleic anhydride is grafted to obtain the vinylated outer fabric base cloth, and vinyl is introduced into the sericin to improve the reactivity of the vinyl;
As can be seen from comparison of example 3 with comparative example 4 and comparative example 5, the invention has the advantages that the hydrophobic antifouling layer is constructed on the outer layer fabric, so that the waterproof antifouling property of the fabric is improved, the antifouling finishing liquid is prepared by using the trialkoxy end polydimethylsiloxane with low surface energy and the composite titanium dioxide with photocatalytic activity, and the composite titanium dioxide is obtained by compositing molybdenum disulfide and hydrogenated titanium dioxide, so that the hydrophobic antifouling property of the fabric is improved, and the wear resistance and the antibacterial property of the fabric are synergistically improved.
As can be seen from comparison of example 3 and comparative example 6, the aqueous polyurethane adhesive was modified with citric acid chitosan, and the outer layer fabric and the inner layer fabric were compounded with the modified aqueous polyurethane adhesive, so that the antibacterial property of the fabric was greatly improved, and the antibacterial durability of the fabric was prolonged.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, as all changes made in the equivalent structures of the present invention or the direct/indirect application in other related technical fields are included in the scope of the invention.