Wear-resistant breathable fabric and preparation method thereof

Abstract

The invention provides a wear-resistant breathable fabric and a preparation method thereof.The preparation method comprises the steps that polyamide fibers, polyester fibers and polyurethane fibers are mixed in proportion, and composite fibers are prepared through a melt spinning technology; stretching the composite fiber, and forming a micropore structure on the surface of the fiber by adopting a plasma treatment technology; the inner layer is of a tightly woven structure, and the outer layer is of a loosely woven structure; the surface of the fabric is uniformly coated with a wear-resistant agent by adopting an impregnation method during after-finishing; and drying, calendaring and cooling to obtain the wear-resistant breathable fabric. By optimizing the fiber mixing ratio and the melt spinning process, the composite fiber with excellent wear resistance and air permeability is prepared. The air permeability of the fabric is further improved through a plasma treatment technology. The wear-resistant agent is uniformly coated on the surface of the fabric through an impregnation method, so that the wear resistance of the fabric is remarkably improved.

Description

Technical Field

[0001] The present application belongs to the technical field of textiles, and specifically relates to a wear-resistant and breathable fabric and a preparation method thereof. Background Art

[0002] In the modern textile industry, the wear resistance and breathability of fabrics are important indicators to measure their performance. Wear resistance determines the service life and durability of fabrics, while breathability directly affects the comfort of the wearer. However, existing fabrics often find it difficult to take both properties into account at the same time. Traditional wear-resistant fabrics usually adopt high-density weaving or adding wear-resistant agents, but these methods often affect the breathability of fabrics, resulting in stuffiness and discomfort when worn. On the other hand, fabrics with good breathability often have poor wear resistance due to their loose fiber structure, and are prone to wear and damage during use.

[0003] At present, the common wear-resistant fabrics on the market mostly use single fiber materials, such as polyamide fiber or polyester fiber. Although these materials have certain wear resistance, their air permeability is poor. In addition, although the existing surface treatment technology can improve the wear resistance of the fabric to a certain extent, it often blocks the pores between the fibers, further reducing the air permeability. Therefore, developing a fabric that can maintain good air permeability and significantly improve wear resistance has become a technical problem that needs to be solved urgently in the textile industry. Summary of the invention

[0004] The present application provides a wear-resistant and breathable fabric and a preparation method thereof to solve the above-mentioned technical problems.

[0005] In order to solve the above technical problems, a technical solution adopted in the present application is: a method for preparing a wear-resistant and breathable fabric, comprising the following steps:

[0006] 40-50 parts of polyamide fiber, 30-40 parts of polyester fiber and 10-20 parts of polyurethane fiber are mixed to prepare composite fiber by melt spinning process;

[0007] After the composite fiber is stretched, a plasma treatment technique is used to perform surface treatment so as to form a microporous structure on the surface;

[0008] The treated composite fibers are woven using a double-layer weaving process, wherein the inner layer is a tightly woven structure and the outer layer is a loosely woven structure;

[0009] The woven fabric is post-finished, and the wear-resistant agent is evenly coated on the surface of the fabric by dipping method;

[0010] The fabric coated with the wear-resistant agent is dried at a temperature of 80-100°C for 30-60 minutes; the dried fabric is calendered at a temperature of 120-150°C, a pressure of 0.5-1.0 MPa, and a time of 10-20 seconds;

[0011] The calendered fabric is cooled at a temperature of 20-30°C for 5-10 minutes to obtain a wear-resistant and breathable fabric.

[0012] Furthermore, the temperature of the melt spinning process is 250-280° C., and the spinning speed is 1000-1500 m / min.

[0013] Furthermore, the stretching multiple of the stretching treatment is 3 to 5 times, the power of the plasma treatment technology is 50 to 100 W, and the treatment time is 5 to 10 minutes.

[0014] Furthermore, in the double-layer weaving process, the inner layer weaving density is 200 to 300 strands / in 2 , outer layer braiding density is 100~150 strands / in 2 .

[0015] Furthermore, the wear-resistant agent is polytetrafluoroethylene emulsion, and the coating amount is 5 to 10 g / m 2 .

[0016] Furthermore, the immersion time of the immersion method is 10 to 20 minutes, and the immersion temperature is 50-60°C.

[0017] Furthermore, the drying temperature is 80-100° C. and the drying time is 30-60 min.

[0018] Furthermore, the surface temperature of the calendering roller during the calendering treatment is 120-150° C., and the pressure of the calendering roller is 0.5-1.0 MPa.

[0019] Furthermore, the cooling method of the cooling treatment is natural cooling, the cooling temperature is 20-30° C., and the cooling time is 5 to 10 minutes.

[0020] Another technical solution adopted in the present application is: a wear-resistant and breathable fabric, characterized in that it is prepared by adopting the above-mentioned preparation method of a wear-resistant and breathable fabric.

[0021] The beneficial effects of the present application are as follows: the present application prepares a composite fiber with excellent wear resistance and air permeability by optimizing the fiber mixing ratio and the melt spinning process. The microporous structure is formed on the fiber surface by plasma treatment technology, which further improves the air permeability of the fabric. The double-layer weaving process is adopted, and the tight weaving structure of the inner layer enhances the wear resistance of the fabric, and the loose weaving structure of the outer layer ensures the air permeability of the fabric. The wear-resistant agent is evenly coated on the surface of the fabric by the impregnation method, which significantly improves the wear resistance of the fabric. Finally, the stability and durability of the fabric are ensured by drying, calendering and cooling. DETAILED DESCRIPTION

[0022] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below in conjunction with specific embodiments.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] The present application provides a wear-resistant and breathable fabric and a preparation method thereof, comprising mixing 40 to 50 parts of polyamide fiber, 30 to 40 parts of polyester fiber and 10 to 20 parts of polyurethane fiber, and preparing them into composite fibers through a melt spinning process; wherein the temperature of the melt spinning process is 250-280°C, and the spinning speed is 1000 to 1500 m / min.

[0025] The composite fiber is stretched and then surface treated with plasma treatment technology to form a microporous structure on the surface; the stretching multiple of the stretching treatment is 3 to 5 times, the power of the plasma treatment technology is 50 to 100 W, and the treatment time is 5 to 10 minutes.

[0026] The treated composite fibers are woven using a double-layer weaving process, where the inner layer is a tightly woven structure and the outer layer is a loosely woven structure; the weaving density of the inner layer is 200 to 300 strands / in 2 The outer layer has a weaving density of 100 to 150 strands / in 2 .

[0027] The woven fabric is post-finished, and the wear-resistant agent is evenly coated on the surface of the fabric by dipping method; wherein the wear-resistant agent is polytetrafluoroethylene emulsion, and the coating amount is 5-10g / m 2 ; The immersion time is 10 to 20 minutes, and the immersion temperature is 50-60℃.

[0028] The fabric coated with the wear-resistant agent is dried at a temperature of 80-100°C for 30-60 minutes; the dried fabric is calendered at a temperature of 120-150°C, a pressure of 0.5-1.0 MPa, and a time of 10-20 seconds;

[0029] The calendered fabric is cooled at a temperature of 20-30°C for 5-10 minutes to obtain a wear-resistant and breathable fabric.

[0030] Example 1

[0031] 45 parts of polyamide fiber, 35 parts of polyester fiber and 15 parts of polyurethane fiber were mixed and prepared into composite fiber by melt spinning process at 260°C and speed of 1200m / min; the composite fiber was stretched with a stretching multiple of 4 times; the stretched composite fiber was surface treated by plasma treatment technology with a power of 80W and a treatment time of 8min to form a microporous structure on the fiber surface; the treated composite fiber was woven by double-layer weaving process, wherein the inner layer weaving density was 250 strands / in2 and the outer layer weaving density was 120 strands / in2; the woven fabric was post-finished, and polytetrafluoroethylene emulsion was evenly coated on the fabric surface by dipping method with a coating amount of 8g / m 2 The immersion time is 15 minutes and the immersion temperature is 55°C; the fabric coated with the wear-resistant agent is dried at 90°C for 45 minutes; the dried fabric is calendered at 130°C, the pressure is 0.8MPa and the time is 15s; the calendered fabric is cooled at 25°C for 8 minutes to finally obtain a wear-resistant and breathable fabric.

[0032] Example 2

[0033] 40 parts of polyamide fiber, 40 parts of polyester fiber and 20 parts of polyurethane fiber were mixed and prepared into composite fiber by melt spinning process at 250°C and speed of 1000m / min; the composite fiber was stretched with a stretching multiple of 3 times; the stretched composite fiber was surface treated by plasma treatment technology with a power of 50W and a treatment time of 5min to form a microporous structure on the fiber surface; the treated composite fiber was woven by double-layer weaving process, wherein the inner layer weaving density was 200 strands / in2 and the outer layer weaving density was 100 strands / in2; the woven fabric was post-finished, and polytetrafluoroethylene emulsion was evenly coated on the fabric surface by dipping method with a coating amount of 5g / m 2The immersion time is 10 minutes and the immersion temperature is 50°C; the fabric coated with the wear-resistant agent is dried at 80°C for 30 minutes; the dried fabric is calendered at 120°C, the pressure is 0.5MPa and the time is 10s; the calendered fabric is cooled at 20°C for 5 minutes to finally obtain a wear-resistant and breathable fabric.

[0034] Example 3

[0035] 50 parts of polyamide fiber, 30 parts of polyester fiber and 10 parts of polyurethane fiber are mixed and prepared into composite fiber by melt spinning process at 280°C and speed of 1500m / min; the composite fiber is stretched with a stretching multiple of 5 times; the stretched composite fiber is surface treated by plasma treatment technology with a power of 100W and a treatment time of 10min to form a microporous structure on the fiber surface; the treated composite fiber is woven by double-layer weaving process, wherein the inner layer weaving density is 300 strands / in2 and the outer layer weaving density is 150 strands / in2; the woven fabric is post-finished, and polytetrafluoroethylene emulsion is evenly coated on the fabric surface by dipping method with a coating amount of 10g / m 2 The immersion time is 20 minutes and the immersion temperature is 60°C; the fabric coated with the wear-resistant agent is dried at a temperature of 100°C for 60 minutes; the dried fabric is calendered at a temperature of 150°C, a pressure of 1.0MPa and a time of 20 seconds; the calendered fabric is cooled at a temperature of 30°C for 10 minutes to finally obtain a wear-resistant and breathable fabric.

[0036] Comparative Example 1 (no plasma treatment)

[0037] 45 parts of polyamide fiber, 35 parts of polyester fiber and 15 parts of polyurethane fiber are mixed and prepared into composite fiber by melt spinning process at 260°C and 1200m / min; the composite fiber is stretched to 4 times; the stretched composite fiber is woven by double-layer weaving process, wherein the inner layer weaving density is 250 strands / in2 and the outer layer weaving density is 120 strands / in2; the woven fabric is post-finished, and polytetrafluoroethylene emulsion is evenly coated on the surface of the fabric by dipping method, and the coating amount is 8g / m 2 The immersion time is 15 minutes and the immersion temperature is 55°C; the fabric coated with the wear-resistant agent is dried at 90°C for 45 minutes; the dried fabric is calendered at 130°C, the pressure is 0.8MPa and the time is 15s; the calendered fabric is cooled at 25°C for 8 minutes to finally obtain a wear-resistant and breathable fabric.

[0038] Comparative Example 2 (no double-layer weaving)

[0039] 45 parts of polyamide fiber, 35 parts of polyester fiber and 15 parts of polyurethane fiber are mixed and prepared into composite fiber by melt spinning process at 260°C and 1200m / min; the composite fiber is stretched to 4 times; the stretched composite fiber is surface treated by plasma treatment technology with a power of 80W and a treatment time of 8min to form a microporous structure on the fiber surface; the treated composite fiber is woven by single-layer weaving process with a weaving density of 200 strands / in2; the woven fabric is post-finished, and polytetrafluoroethylene emulsion is evenly coated on the fabric surface by dipping method with a coating amount of 8g / m 2 The immersion time is 15 minutes and the immersion temperature is 55°C; the fabric coated with the wear-resistant agent is dried at 90°C for 45 minutes; the dried fabric is calendered at 130°C, the pressure is 0.8MPa and the time is 15s; the calendered fabric is cooled at 25°C for 8 minutes to finally obtain a wear-resistant and breathable fabric.

[0040] Comparative Example 3 (without using polytetrafluoroethylene emulsion)

[0041] 45 parts of polyamide fiber, 35 parts of polyester fiber and 15 parts of polyurethane fiber are mixed and prepared into composite fiber by melt spinning process at 260°C and speed of 1200m / min; the composite fiber is stretched with a stretching multiple of 4 times; the stretched composite fiber is surface treated by plasma treatment technology with a power of 80W and a treatment time of 8min to form a microporous structure on the fiber surface; the treated composite fiber is woven by double-layer weaving process, wherein the inner layer weaving density is 250 strands / in2 and the outer layer weaving density is 120 strands / in2; the woven fabric is post-finished, and ordinary wear-resistant agent is evenly coated on the fabric surface by impregnation method with a coating amount of 8g / m 2 The immersion time is 15 minutes and the immersion temperature is 55°C; the fabric coated with the wear-resistant agent is dried at 90°C for 45 minutes; the dried fabric is calendered at 130°C, the pressure is 0.8MPa and the time is 15s; the calendered fabric is cooled at 25°C for 8 minutes to finally obtain a wear-resistant and breathable fabric.

[0042] Abrasion resistance and air permeability testing

[0043] The abrasion resistance of the fabric was tested using the Martindale method GB / T21196 textile fabric abrasion resistance test standard, and the air permeability was tested using the GB / T5453-1997 textile fabric air permeability test standard. The results are shown in Table 1.

[0044] Table 1 is a table showing the air permeability test results of various embodiments and comparative examples.

[0045] Sample No. Wear times (times) Air permeability (mm / s) Example 1 25000 1220 Example 2 23000 1140 Example 3 27000 1280 Comparative Example 1 18000 720 Comparative Example 2 12000 630 Comparative Example 3 8000 860

[0046] As shown in Table 1, the fabrics prepared in the examples have high wear resistance and good air permeability. Comparative Example 1 has less microporous structure on the fiber surface due to no plasma treatment, resulting in poor air permeability; Comparative Example 2 has reduced wear resistance and air permeability due to no double-layer weaving process; Comparative Example 3 has significantly reduced wear resistance due to no polytetrafluoroethylene emulsion used.

[0047] The present application provides a wear-resistant and breathable fabric and a preparation method thereof, which significantly improves the wear resistance of the fabric while maintaining good air permeability through the optimized combination of composite fibers, the formation of a surface microporous structure, and the application of a double-layer weaving process, thereby meeting the demand of the modern textile industry for high-performance fabrics.

[0048] The above description is only an embodiment of the present application and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A method for preparing a wear-resistant and breathable fabric, characterized in that: include: 40-50 parts of polyamide fiber, 30-40 parts of polyester fiber and 10-20 parts of polyurethane fiber are mixed to prepare composite fiber by melt spinning process; After the composite fiber is stretched, a plasma treatment technique is used to perform surface treatment so as to form a microporous structure on the surface; The treated composite fibers are woven using a double-layer weaving process, wherein the inner layer is a tightly woven structure and the outer layer is a loosely woven structure; The woven fabric is post-finished, and the wear-resistant agent is evenly coated on the surface of the fabric by dipping method; The fabric coated with the wear-resistant agent is subjected to drying treatment; the dried fabric is subjected to calendering treatment; The calendered fabric is cooled to finally obtain the wear-resistant and breathable fabric.

2. The method according to claim 1, characterized in that: The temperature of the melt spinning process is 250-280° C., and the spinning speed is 1000-1500 m / min.

3. The method according to claim 1, characterized in that The stretching multiple of the stretching treatment is 3 to 5 times, the power of the plasma treatment technology is 50 to 100 W, and the treatment time is 5 to 10 minutes.

4. The method according to claim 1, characterized in that In the double-layer weaving process, the weaving density of the inner layer is 200 to 300 strands / in 2 The braiding density of the outer layer is 100 to 150 strands / in 2 .

5. The method according to claim 1, characterized in that The wear-resistant agent is polytetrafluoroethylene emulsion, and the coating amount is 5-10g / m 2 .

6. The method according to claim 1, characterized in that The immersion time of the immersion method is 10 to 20 minutes, and the immersion temperature is 50 to 60°C.

7. The method according to claim 1, characterized in that The drying temperature of the dry treatment is 80-100° C. and the time is 30-60 minutes.

8. The method according to claim 1, characterized in that The surface temperature of the calendering roller during the calendering treatment is 120-150° C., and the pressure of the calendering roller is 0.5-1.0 MPa.

9. The method according to claim 1, characterized in that: The cooling method of the cooling treatment is natural cooling, the cooling temperature is 20-30° C., and the cooling time is 5-10 minutes.

10. A wear-resistant and breathable fabric, characterized in that: The wear-resistant and breathable fabric is prepared by the preparation method of any one of claims 1 to 9.