A highly wear-resistant and waterproof fabric for outdoor use and a travel bag made of the same

Abstract

The invention relates to the field of fabrics, in particular to a highly wear-resistant and waterproof fabric for outdoor use and a travel bag prepared therefrom. Nylon fiber and polyester fiber are selected as first warp threads and first weft threads, and the warp and weft threads are interwoven to obtain a base fabric; hemp fiber and nylon fiber are blended as second warp threads, and the blended fibers are interwoven with second weft threads of one of basalt fiber, bamboo charcoal fiber and hemp fiber to obtain a reinforced fabric; the base fabric and the reinforced layer are woven together by using nylon fiber to obtain a fabric body; the fabric body is subjected to a double-immersion and double-rolling treatment by using a fluorine-free waterproof finishing liquid, and then subjected to a light curing treatment.

Description

Technical Field

[0001] The invention relates to the field of fabrics, in particular to a highly wear-resistant and waterproof fabric for outdoor use and a travel bag prepared therefrom. Background Art

[0002] With the increase of people's consumption level, people's demand for textile fabrics is also moving towards diversification and functionality. With the improvement of people's health awareness, outdoor sports have become a choice for more and more people to relax. During outdoor sports, they may encounter strong ultraviolet radiation or more complex weather conditions such as rainfall. Ordinary fabrics cannot meet consumers' demand for outdoor equipment such as luggage. Therefore, the development of a highly wear-resistant and waterproof fabric for outdoor use has practical significance and economic value.

[0003] In order to improve the UV resistance and antibacterial properties of fabrics in the existing market, inorganic fillers are often added to finish the fabrics, which causes problems such as easy falling off. Fluorine-containing compounds are also used to improve the waterproofness of fabrics. Long-term and large-scale use will be harmful to human health and the ecological environment. Summary of the invention

[0004] The object of the present invention is to provide a highly wear-resistant and waterproof fabric for outdoor use and a travel bag prepared therefrom, so as to solve the problems in the prior art.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A method for preparing a highly wear-resistant and waterproof fabric for outdoor use comprises the following steps:

[0007] S1: The first warp and the first weft are interwoven to obtain a base fabric; the second warp and the second weft are interwoven to obtain a reinforcement layer;

[0008] S2: Using nylon fiber to weave the base fabric and the reinforcement layer together to obtain the fabric body;

[0009] S3: mixing the photoinitiator, the composite emulsion and the composite MXene, and ultrasonically stirring to obtain a fluorine-free waterproof finishing liquid;

[0010] S4: The fabric body is subjected to a double-immersion and double-rolling treatment using a fluorine-free waterproof finishing liquid, and then subjected to a light-curing treatment and drying to obtain a highly wear-resistant and waterproof fabric for outdoor use.

[0011] Furthermore, the first warp thread is one of polyester fiber and nylon fiber; the first weft thread is one of polyester fiber and nylon fiber.

[0012] Furthermore, the second warp is a blend of hemp fiber and nylon fiber, and the blending ratio of hemp fiber and nylon fiber in the second warp is 70:30; the second weft is one of basalt fiber, bamboo charcoal fiber and hemp fiber.

[0013] Furthermore, the working conditions of the double-immersion and double-rolling treatment are: the immersion time is 10-15 minutes, the rolling pressure is 2 kg, and the vehicle speed is 5 m / min; the working conditions of the light curing treatment are: irradiation with 280-350nm ultraviolet light for 2 minutes.

[0014] Furthermore, the composition of the fluorine-free waterproof finishing liquid is, by weight: 1-2 parts of photoinitiator, 10-20 parts of composite emulsion, and 0.5-1.3 parts of composite MXene.

[0015] Furthermore, the preparation of the composite MXene includes the following steps:

[0016] 1) Mix lithium fluoride and hydrochloric acid, add 1 g of titanium carbide aluminum powder, keep warm at 43-47 ° C for 22-24 hours, wash with water and centrifuge until the pH is neutral, and freeze-dry to obtain MXene powder;

[0017] 2) Octamethylcyclotetrasiloxane, 3-[(2,3)-epoxypropyloxy]propylmethyldimethoxysilane, octadecyldimethylmethoxysilane and tetramethylammonium hydroxide are mixed, heated to 90-100°C and kept warm for 3-4 hours, MXene powder, deionized water, ethanol and triethylamine mixed solution are added, stirred at 25-35°C for 5-6 hours, heated to 140°C and kept warm for 1 hour, decompressed, dialyzed, washed and freeze-dried to obtain epoxidized MXene;

[0018] 3) The carboxyl-containing benzisothiazolinone derivative, epoxidized MXene, triphenylphosphine, p-hydroxyanisole, and N,N-dimethylformamide are mixed, the temperature is raised to 108-112°C and kept warm for 2-3 hours, extracted with dichloromethane, washed with sodium bicarbonate solution and deionized water for 3-5 times in sequence, and vacuum rotary evaporated to obtain a composite MXene.

[0019] Further, the preparation of the composite emulsion comprises the following steps:

[0020] (1) isophorone diisocyanate, polytrimethylene ether glycol, and dibutyltin dilaurate are mixed, stirred at 48-52° C. for 1-2 hours, dihydroxymethylbutyric acid is added, stirring is continued for 1-2 hours, hydroxyethyl acrylate and a carboxyl-containing benzisothiazolinone derivative are added, stirring is continued for 2-3 hours, and after cooling to 25-30° C., triethylamine is added, the mixture is kept warm for 20-30 minutes, deionized water is added, and emulsification is performed for 1-2 hours to obtain a double-bond terminated polyurethane emulsion having a solid content of 20-30%;

[0021] (2) A double-bond terminated polyurethane emulsion, an emulsifier, butyl acrylate and methyl methacrylate are mixed and kept warm at 78-82° C. for 2-3 hours, and ammonium persulfate is added and kept warm for 1-2 hours to obtain a composite emulsion.

[0022] Furthermore, the preparation of the carboxyl-containing benzisothiazolinone derivative includes the following steps: mixing xylene, dichloromethane, and N,N-dimethylformamide, adding benzisothiazolinone and maleic anhydride, heating to 108-112° C. and keeping warm for 5-6 hours, separating and washing to obtain the carboxyl-containing benzisothiazolinone derivative.

[0023] Beneficial effects of the present invention:

[0024] The invention provides a highly wear-resistant and waterproof fabric for outdoor use and a travel bag prepared therefrom. By adjusting the ingredients and the process, a green, environmentally friendly, anti-ultraviolet, antibacterial, wear-resistant and waterproof fabric is obtained. The travel bag prepared therefrom meets outdoor needs.

[0025] Nylon fiber with good mechanical properties and strong wear resistance and durable and wrinkle-resistant polyester fiber are selected as the first warp and the first weft, and the warp and weft are interwoven to obtain the base cloth; hemp fiber with good moisture absorption and breathability and nylon fiber are blended as the second warp, and interwoven with the second weft of basalt fiber, bamboo charcoal fiber, and hemp fiber to obtain the reinforced cloth, and the base cloth and the reinforcement layer are crocheted with nylon fiber to obtain a breathable, wear-resistant and wrinkle-resistant fabric body.

[0026] In order to improve the antibacterial and waterproof properties of the fabric, the fabric body is treated with a fluorine-free waterproof finishing liquid for double dipping and double rolling, and then subjected to a photocuring treatment, thereby improving the bonding strength between the fabric body and the fluorine-free waterproof finishing liquid. The fluorine-free waterproof finishing liquid is prepared from a photocurable antibacterial and water-resistant composite emulsion, an antibacterial, hydrophobic, and UV-resistant composite MXene, and a photoinitiator.

[0027] The composite MXene is prepared by bulk polymerization and hydrolysis of octamethylcyclotetrasiloxane, 3-[(2,3)-epoxypropyloxy]propylmethyldimethoxysilane and octadecyldimethylmethoxysilane, and polysiloxane containing epoxy groups and long-chain alkyl groups is implanted on the surface of UV-resistant MXene powder to obtain hydrophobic epoxidized MXene, and then epoxy ring-opening is used to implant carboxyl-containing benzisothiazolinone derivatives with double bonds; the carboxyl-containing benzisothiazolinone derivatives are prepared by chemically modifying benzisothiazolinone with maleic anhydride. The introduction of carboxyl-containing benzisothiazolinone derivatives increases the complexity of cross-linking between the composite MXene and the composite emulsion, thereby further improving the antibacterial properties of the fabric.

[0028] Using isophorone diisocyanate and polytrimethylene ether glycol as raw materials, under the catalysis of dibutyltin dilaurate, dihydroxymethylbutyric acid as a chain extender, hydroxyethyl acrylate and carboxyl-containing benzisothiazolinone derivatives as end-capping agents, and triethylamine as a neutralizing agent, a double-bond-terminated polyurethane emulsion with a solid content of 20-30% is obtained, and then it is prepared together with acrylic monomers. A water-resistant and antibacterial composite emulsion, thereby giving the fabric excellent antibacterial and hydrophobic properties. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0031] The technical solution of the present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the following embodiments are only used to explain the present invention, and are not used to limit the present invention.

[0032] Embodiment 1: A method for preparing a highly wear-resistant and waterproof fabric for outdoor use, comprising the following steps:

[0033] S1: The first warp and the first weft are interwoven to obtain a base fabric; the second warp and the second weft are interwoven to obtain a reinforcement layer;

[0034] The first warp thread is polyester fiber; the first weft thread is nylon fiber;

[0035] The second warp is a blend of flax fiber and nylon fiber, and the blending ratio of flax fiber to nylon fiber in the second warp is 70:30; the second weft is flax fiber;

[0036] S2: Using nylon fiber to weave the base fabric and the reinforcement layer together to obtain the fabric body;

[0037] S3: mixing the photoinitiator, the composite emulsion and the composite MXene, and ultrasonically stirring to obtain a fluorine-free waterproof finishing liquid;

[0038] In terms of parts by mass, the composition of the fluorine-free waterproof finishing liquid is: 1 part of photoinitiator, 10 parts of composite emulsion, and 0.5 parts of composite MXene;

[0039] The preparation of the composite MXene comprises the following steps:

[0040] 1) Mix 1 g lithium fluoride and 20 mL 9 mol / L hydrochloric acid, add 1 g titanium carbide aluminum powder, keep warm at 43 ° C for 24 h, wash with water and centrifuge until the pH is neutral, and freeze-dry to obtain MXene powder;

[0041] 2) 28 g of octamethylcyclotetrasiloxane, 5 g of 3-[(2,3)-epoxypropyloxy]propylmethyldimethoxysilane, 10 g of octadecyldimethylmethoxysilane, and 0.05 g of tetramethylammonium hydroxide were mixed, heated to 90 ° C for 4 h, 2 g of MXene powder, 10 mL of deionized water, 90 mL of ethanol, and 1 mL of triethylamine were added, stirred at 25 ° C for 6 h, heated to 140 ° C for 1 h, decompressed, dialyzed, washed, and freeze-dried to obtain epoxidized MXene;

[0042] 3) 1.2 g of a carboxyl-containing benzisothiazolinone derivative, 4.3 g of epoxidized MXene, 0.06 g of triphenylphosphine, 0.1 g of p-hydroxyanisole, and 15 mL of N,N-dimethylformamide were mixed, the temperature was raised to 108 ° C and kept for 3 h, extracted with dichloromethane, washed with sodium bicarbonate solution and deionized water three times in sequence, and vacuum evaporated to obtain a composite MXene;

[0043] The preparation of the composite emulsion comprises the following steps:

[0044] (1) 3.2 g of isophorone diisocyanate, 6.2 g of polytrimethylene ether glycol, and 2 drops of dibutyltin dilaurate were mixed, stirred at 48° C. for 2 h, 0.8 g of dihydroxymethylbutyric acid was added, stirring was continued for 1 h, 0.2 g of hydroxyethyl acrylate and 0.5 g of a carboxyl-containing benzisothiazolinone derivative were added, stirring was continued for 2 h, cooled to 30° C., 0.2 g of triethylamine was added, the mixture was kept warm for 20 min, deionized water was added, and emulsification was performed for 1 h to obtain a double-bond terminated polyurethane emulsion with a solid content of 25%;

[0045] (2) 38 g of double-bond terminated polyurethane emulsion, 0.4 g of emulsifier, 2 g of butyl acrylate, and 1 g of methyl methacrylate were mixed, and the mixture was kept at 78° C. for 3 h, and 0.03 g of ammonium persulfate was added, and the mixture was kept at this temperature for 1 h to obtain a composite emulsion;

[0046] The preparation of the carboxyl-containing benzisothiazolinone derivative comprises the following steps: 20 mL of xylene, 30 mL of dichloromethane, and 50 mL of N,N-dimethylformamide are mixed, 10 mmol of benzisothiazolinone and 12 mmol of maleic anhydride are added, the temperature is raised to 108° C. and kept for 6 hours, liquid separation and washing are performed to obtain the carboxyl-containing benzisothiazolinone derivative;

[0047] S4: using a fluorine-free waterproof finishing liquid to perform a double dipping and double rolling treatment on the fabric body, and then performing a light curing treatment and drying to obtain a highly wear-resistant waterproof fabric for outdoor use;

[0048] The working conditions of the double-dip and double-roll treatment are: dipping time is 10 minutes, rolling pressure is 2 kg, and vehicle speed is 5 m / min; the working conditions of the light curing treatment are: irradiation with 330 nm ultraviolet light for 2 minutes.

[0049] Embodiment 2: A method for preparing a highly wear-resistant and waterproof fabric for outdoor use, comprising the following steps:

[0050] S1: The first warp and the first weft are interwoven to obtain a base fabric; the second warp and the second weft are interwoven to obtain a reinforcement layer;

[0051] The first warp thread is polyester fiber; the first weft thread is nylon fiber;

[0052] The second warp is a blend of flax fiber and nylon fiber, and the blending ratio of flax fiber to nylon fiber in the second warp is 70:30; the second weft is flax fiber;

[0053] S2: Using nylon fiber to weave the base fabric and the reinforcement layer together to obtain the fabric body;

[0054] S3: mixing the photoinitiator, the composite emulsion and the composite MXene, and ultrasonically stirring to obtain a fluorine-free waterproof finishing liquid;

[0055] In terms of parts by mass, the composition of the fluorine-free waterproof finishing liquid is: 1.5 parts of photoinitiator, 13 parts of composite emulsion, and 0.9 parts of composite MXene;

[0056] The preparation of the composite MXene comprises the following steps:

[0057] 1) Mix 1 g of lithium fluoride and 20 mL of 9 mol / L hydrochloric acid, add 1 g of titanium carbide aluminum powder, keep warm at 45 ° C for 23 h, wash with water and centrifuge until the pH is neutral, and freeze-dry to obtain MXene powder;

[0058] 2) 28 g of octamethylcyclotetrasiloxane, 5 g of 3-[(2,3)-epoxypropyloxy]propylmethyldimethoxysilane, 10 g of octadecyldimethylmethoxysilane, and 0.05 g of tetramethylammonium hydroxide were mixed, heated to 95 ° C for 3.5 h, 2 g of MXene powder, 10 mL of deionized water, 90 mL of ethanol, and 1 mL of triethylamine were added, stirred at 30 ° C for 5.5 h, heated to 140 ° C for 1 h, decompressed, dialyzed, washed, and freeze-dried to obtain epoxidized MXene;

[0059] 3) 1.2 g of a carboxyl-containing benzisothiazolinone derivative, 4.3 g of epoxidized MXene, 0.06 g of triphenylphosphine, 0.1 g of p-hydroxyanisole, and 15 mL of N,N-dimethylformamide were mixed, the temperature was raised to 110 ° C and kept for 2.5 h, extracted with dichloromethane, washed with sodium bicarbonate solution and deionized water four times in sequence, and vacuum rotary evaporated to obtain a composite MXene;

[0060] The preparation of the composite emulsion comprises the following steps:

[0061] (1) 3.2 g of isophorone diisocyanate, 6.2 g of polytrimethylene ether glycol, and 2 drops of dibutyltin dilaurate were mixed, stirred at 50° C. for 1.5 h, 0.8 g of dihydroxymethylbutyric acid was added, stirring was continued for 1.5 h, 0.2 g of hydroxyethyl acrylate and 0.5 g of a carboxyl-containing benzisothiazolinone derivative were added, stirring was continued for 2.5 h, cooled to 30° C., 0.2 g of triethylamine was added, the mixture was kept warm for 25 min, deionized water was added, and emulsification was performed for 1.5 h to obtain a double-bond terminated polyurethane emulsion with a solid content of 25%;

[0062] (2) 38 g of double-bond terminated polyurethane emulsion, 0.4 g of emulsifier, 2 g of butyl acrylate, and 1 g of methyl methacrylate were mixed, and the mixture was kept at 80° C. for 2.5 h, and 0.03 g of ammonium persulfate was added, and the mixture was kept at this temperature for 1.5 h to obtain a composite emulsion;

[0063] The preparation of the carboxyl-containing benzisothiazolinone derivative comprises the following steps: 20 mL of xylene, 30 mL of dichloromethane, and 50 mL of N,N-dimethylformamide are mixed, 10 mmol of benzisothiazolinone and 12 mmol of maleic anhydride are added, the temperature is raised to 110° C. and kept for 5.5 hours, liquid separation and washing are performed to obtain the carboxyl-containing benzisothiazolinone derivative;

[0064] S4: using a fluorine-free waterproof finishing liquid to perform a double dipping and double rolling treatment on the fabric body, and then performing a light curing treatment and drying to obtain a highly wear-resistant waterproof fabric for outdoor use;

[0065] The working conditions of the double-dip and double-roll treatment are: dipping time is 12 minutes, rolling pressure is 2 kg, and vehicle speed is 5 m / min; the working conditions of the light curing treatment are: irradiation with 330 nm ultraviolet light for 2 minutes.

[0066] Embodiment 3: A method for preparing a highly wear-resistant and waterproof fabric for outdoor use, comprising the following steps:

[0067] S1: The first warp and the first weft are interwoven to obtain a base fabric; the second warp and the second weft are interwoven to obtain a reinforcement layer;

[0068] The first warp thread is polyester fiber; the first weft thread is nylon fiber;

[0069] The second warp is a blend of flax fiber and nylon fiber, and the blending ratio of flax fiber to nylon fiber in the second warp is 70:30; the second weft is flax fiber;

[0070] S2: Using nylon fiber to weave the base fabric and the reinforcement layer together to obtain the fabric body;

[0071] S3: mixing the photoinitiator, the composite emulsion and the composite MXene, and ultrasonically stirring to obtain a fluorine-free waterproof finishing liquid;

[0072] In terms of parts by mass, the composition of the fluorine-free waterproof finishing liquid is: 2 parts of photoinitiator, 20 parts of composite emulsion, and 1.3 parts of composite MXene;

[0073] The preparation of the composite MXene comprises the following steps:

[0074] 1) Mix 1 g lithium fluoride and 20 mL 9 mol / L hydrochloric acid, add 1 g titanium carbide aluminum powder, keep warm at 47 ° C for 22 h, wash with water and centrifuge until the pH is neutral, and freeze-dry to obtain MXene powder;

[0075] 2) 28 g of octamethylcyclotetrasiloxane, 5 g of 3-[(2,3)-epoxypropyloxy]propylmethyldimethoxysilane, 10 g of octadecyldimethylmethoxysilane, and 0.05 g of tetramethylammonium hydroxide were mixed, heated to 100 ° C and kept warm for 3 h, 2 g of MXene powder, 10 mL of deionized water, 90 mL of ethanol, and 1 mL of triethylamine were added, stirred at 35 ° C for 5 h, heated to 140 ° C and kept warm for 1 h, decompressed, dialyzed, washed, and freeze-dried to obtain epoxidized MXene;

[0076] 3) 1.2 g of a carboxyl-containing benzisothiazolinone derivative, 4.3 g of epoxidized MXene, 0.06 g of triphenylphosphine, 0.1 g of p-hydroxyanisole, and 15 mL of N,N-dimethylformamide were mixed, the temperature was raised to 112 °C and kept for 2 h, extracted with dichloromethane, washed with sodium bicarbonate solution and deionized water for 5 times in sequence, and vacuum evaporated to obtain a composite MXene;

[0077] The preparation of the composite emulsion comprises the following steps:

[0078] (1) 3.2 g of isophorone diisocyanate, 6.2 g of polytrimethylene ether glycol, and 2 drops of dibutyltin dilaurate were mixed, stirred at 52° C. for 1 h, 0.8 g of dihydroxymethylbutyric acid was added, stirring was continued for 2 h, 0.2 g of hydroxyethyl acrylate and 0.5 g of a carboxyl-containing benzisothiazolinone derivative were added, stirring was continued for 3 h, cooled to 30° C., 0.2 g of triethylamine was added, the mixture was kept warm for 30 min, deionized water was added, and emulsification was performed for 2 h to obtain a double-bond terminated polyurethane emulsion with a solid content of 25%;

[0079] (2) 38 g of double-bond terminated polyurethane emulsion, 0.4 g of emulsifier, 2 g of butyl acrylate, and 1 g of methyl methacrylate were mixed, kept warm at 82° C. for 2 h, 0.03 g of ammonium persulfate was added, and kept warm for 2 h to obtain a composite emulsion;

[0080] The preparation of the carboxyl-containing benzisothiazolinone derivative comprises the following steps: 20 mL of xylene, 30 mL of dichloromethane, and 50 mL of N,N-dimethylformamide are mixed, 10 mmol of benzisothiazolinone and 12 mmol of maleic anhydride are added, the temperature is raised to 112° C. and kept for 5 hours, liquid separation and washing are performed to obtain the carboxyl-containing benzisothiazolinone derivative;

[0081] S4: using a fluorine-free waterproof finishing liquid to perform a double dipping and double rolling treatment on the fabric body, and then performing a light curing treatment and drying to obtain a highly wear-resistant waterproof fabric for outdoor use;

[0082] The working conditions of the double-immersion and double-rolling treatment are: immersion time is 15 minutes, rolling pressure is 2 kg, and vehicle speed is 5 m / min; the working conditions of the light curing treatment are: irradiation with 330 nm ultraviolet light for 2 minutes.

[0083] Comparative Example 1: Taking Example 3 as the control group, MXene powder was used to replace the composite MXene, and other processes were normal.

[0084] Comparative Example 2: Example 3 was used as the control group, and no double-bond terminated polyurethane emulsion was prepared, and other processes were normal.

[0085] Comparative Example 3: Example 3 was used as a control group, in which no carboxyl-containing benzisothiazolinone derivative was prepared, and other processes were normal.

[0086] In the embodiments and comparative examples, the warp density and weft density of the base fabric and the reinforcement layer are both 450 strands / 10 cm, the thickness of the base fabric is 1 mm, and the thickness of the reinforcement layer is 1 mm.

[0087] Source of raw materials (for demonstration only):

[0088] Nylon fiber XD-1: Shaoxing Xineng Textile Technology Co., Ltd.; polyester fiber 40D / 24F-FDY: Jiangsu Shenghong Chemical Fiber Co., Ltd.; flax fiber (30): Shandong Runjin Textile Co., Ltd.; photoinitiator 184: Hubei Zhenbo Chemical Co., Ltd.; titanium carbide aluminum powder 12537-81-4: (Alpha) Zhengzhou Alpha Chemical Co., Ltd.; polytrimethylene ether glycol ECOPROL H2000: SK Chemicals of South Korea; lithium fluoride L104224, octamethylcyclotetrasiloxane O160041, 3-[(2,3)-epoxypropyloxy]propylmethyldimethoxysilane G134407, octadecyldimethylmethoxysilane O304472, tetramethylammonium hydroxide T100882, triethylamine T103285, triphenylphosphine T104475, p-hydroxyanisole M10422, isophorone diisocyanate I109582, dibutyltin dilaurate D 100274, dihydroxymethylbutyric acid B115196, hydroxyethyl acrylate H104535, emulsifier O304931, butyl acrylate B100035, methyl methacrylate M109629, ammonium persulfate A112448, N,N-dimethylformamide D111999, benzisothiazolinone B107479, maleic anhydride M116389: Aladdin reagent; hydrochloric acid, ethanol, dichloromethane, sodium bicarbonate, xylene, analytical grade: Sinopharm reagent.

[0089] Performance test: The fabrics prepared in the embodiments and comparative examples were tested:

[0090] Antibacterial durability test: Tested with reference to GB / T20944.3-2008, the test sample was washed 100 times in a standard manner to observe its antibacterial properties, and the antibacterial test strain was Staphylococcus aureus; Hydrophobicity: Tested with a contact angle meter, using a 3μL water droplet to measure the water contact angle; Ultraviolet resistance: Cut 6cm×6cm samples, and refer to GB / T18830-2009 for UPF and UVA tests. When the UPF of the sample is greater than 50 and the UVA is less than 2%, it means that the fabric has excellent ultraviolet resistance. When the UPF of the fabric is between 40-50 and the UVA is between 2-5%, it means that the fabric has qualified ultraviolet resistance; Abrasion resistance: Use a 1Kg weight to press 100-mesh sandpaper to rub back and forth on the fabric, and rub back and forth 5cm in the horizontal direction as one cycle. After 10 cycles, the water contact angle is tested. If the difference in the water contact angle before and after friction is within 2°, it is excellent, otherwise it is unqualified; The obtained measurement results are shown in Table 1 below;

[0091] Table 1

[0092]

[0093]

[0094] The present invention provides a highly wear-resistant and waterproof fabric for outdoor use and a travel bag prepared using the same. By adjusting the ingredients and the process, a green, environmentally friendly, anti-ultraviolet, antibacterial, wear-resistant and waterproof fabric is obtained. The travel bag prepared using the same meets outdoor needs. In Table 1, / indicates that the item has not been tested.

[0095] Example 3 is compared with Comparative Example 1 and Comparative Example 3. The composite MXene is prepared by bulk polymerization and hydrolysis of octamethylcyclotetrasiloxane, 3-[(2,3)-epoxypropyloxy]propylmethyldimethoxysilane and octadecyldimethylmethoxysilane, and polysiloxane containing epoxy groups and long-chain alkyl groups is accessed on the surface of the UV-resistant MXene powder to obtain a hydrophobic and wear-resistant epoxidized MXene. Then, the epoxy ring is opened to access a carboxyl-containing benzisothiazolinone derivative having a double bond. The carboxyl-containing benzisothiazolinone derivative is prepared by chemically modifying benzisothiazolinone with maleic anhydride. The introduction of the carboxyl-containing benzisothiazolinone derivative increases the complexity of cross-linking between the composite MXene and the composite emulsion, thereby further improving the antibacterial property of the fabric.

[0096] Example 3 is compared with Comparative Examples 2 and 3. Using isophorone diisocyanate and polytrimethylene ether glycol as raw materials, under the catalysis of dibutyltin dilaurate, using dihydroxymethylbutyric acid as a chain extender, using hydroxyethyl acrylate and a carboxyl-containing benzisothiazolinone derivative as a capping agent, and using triethylamine as a neutralizing agent, a double-bond terminated polyurethane emulsion with a solid content of 20-30% is obtained, and then a water-resistant and antibacterial composite emulsion is prepared together with an acrylic monomer, thereby giving the fabric excellent antibacterial and hydrophobic properties.

[0097] The above descriptions are only embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the present invention specification under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A method for preparing a highly wear-resistant and waterproof fabric for outdoor use, characterized in that: The following steps are involved: S1: The first warp and the first weft are interwoven to obtain a base fabric; the second warp and the second weft are interwoven to obtain a reinforcement layer; S2: Using nylon fiber to weave the base fabric and the reinforcement layer together to obtain the fabric body; S3: mixing the photoinitiator, the composite emulsion and the composite MXene, and ultrasonically stirring to obtain a fluorine-free waterproof finishing liquid; S4: using a fluorine-free waterproof finishing liquid to perform a double-immersion and double-rolling treatment on the fabric body, and then performing a light curing treatment and drying to obtain a highly wear-resistant and waterproof fabric for outdoor use; The preparation of the composite MXene comprises the following steps: 1) Mix lithium fluoride and hydrochloric acid, add 1 g of titanium carbide aluminum powder, keep warm at 43-47 ° C for 22-24 hours, wash with water and centrifuge until the pH is neutral, and freeze-dry to obtain MXene powder; 2) Octamethylcyclotetrasiloxane, 3-[(2,3)-epoxypropyloxy]propylmethyldimethoxysilane, octadecyldimethylmethoxysilane and tetramethylammonium hydroxide are mixed, heated to 90-100°C and kept warm for 3-4 hours, MXene powder, deionized water, ethanol and triethylamine mixed solution are added, stirred at 25-35°C for 5-6 hours, heated to 140°C and kept warm for 1 hour, decompressed, dialyzed, washed and freeze-dried to obtain epoxidized MXene; 3) Mix the carboxyl-containing benzisothiazolinone derivative, epoxidized MXene, triphenylphosphine, p-hydroxyanisole, and N,N-dimethylformamide, heat to 108-112°C and keep warm for 2-3 hours, extract with dichloromethane, wash with sodium bicarbonate solution and deionized water 3-5 times in sequence, and vacuum rotary evaporate to obtain a composite MXene; The preparation of the composite emulsion comprises the following steps: (1) isophorone diisocyanate, polytrimethylene ether glycol, and dibutyltin dilaurate are mixed, stirred at 48-52° C. for 1-2 hours, dihydroxymethylbutyric acid is added, stirring is continued for 1-2 hours, hydroxyethyl acrylate and a carboxyl-containing benzisothiazolinone derivative are added, stirring is continued for 2-3 hours, and after cooling to 25-30° C., triethylamine is added, the mixture is kept warm for 20-30 minutes, deionized water is added, and emulsification is performed for 1-2 hours to obtain a double-bond terminated polyurethane emulsion; (2) mixing a double-bond terminated polyurethane emulsion, an emulsifier, butyl acrylate, and methyl methacrylate, and keeping the mixture at 78-82° C. for 2-3 hours, adding ammonium persulfate, and keeping the mixture at this temperature for 1-2 hours to obtain a composite emulsion; The preparation of the carboxyl-containing benzisothiazolinone derivative comprises the following steps: mixing xylene, dichloromethane and N,N-dimethylformamide, adding benzisothiazolinone and maleic anhydride, heating to 108-112° C. and keeping the temperature for 5-6 hours, separating and washing to obtain the carboxyl-containing benzisothiazolinone derivative.

2. The method for preparing a highly wear-resistant and waterproof fabric for outdoor use according to claim 1, characterized in that: The first warp thread is one of polyester fiber and nylon fiber; the first weft thread is one of polyester fiber and nylon fiber.

3. The method for preparing a highly wear-resistant and waterproof fabric for outdoor use according to claim 1, characterized in that: The second warp is a blend of hemp fiber and nylon fiber, and the blending ratio of hemp fiber to nylon fiber in the second warp is 70:30; the second weft is one of basalt fiber, bamboo charcoal fiber and hemp fiber.

4. The method for preparing a highly wear-resistant and waterproof fabric for outdoor use according to claim 1, characterized in that: The working conditions of the double-dip and double-roll treatment are: dipping time is 10-15min, rolling pressure is 2kg, and vehicle speed is 5m / min; the working conditions of the light curing treatment are: irradiation with 280-350nm ultraviolet light for 2min.

5. The method for preparing a highly wear-resistant and waterproof fabric for outdoor use according to claim 1, characterized in that: The composition of the fluorine-free waterproof finishing liquid is, by weight: 1-2 parts of photoinitiator, 10-20 parts of composite emulsion, and 0.5-1.3 parts of composite MXene.

6. A highly wear-resistant and waterproof fabric for outdoor use, characterized in that: The compound is prepared by the preparation method described in any one of claims 1 to 5.

7. A travel bag, characterized in that: It is made of the highly wear-resistant and waterproof fabric for outdoor use as described in claim 6.

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