TWI770450B - Cloth used for seat - Google Patents

Abstract

A cloth used for seat includes a first fabric. The first fabric includes a plurality of low-melting point fibers. Based on a total weight of the first fabric, a content of the low-melting point fibers is 75wt% to 100wt%, wherein the low-melting point fibers are low-melting point polyester fibers or low-melting point nylon fibers.

Description

fabric for seat

The present disclosure relates to a cloth, particularly a cloth for seats containing low melting point fibers.

Since the advent of low melting point fibers, it has been applied to various fabrics and clothing. Through the continuous development of production technology and equipment, the performance of various fabrics and clothing can be improved, and environmental problems can be gradually solved. Therefore, it is necessary to further expand the applicability of low melting point fibers to meet the needs of various products.

The present disclosure provides a fabric for a seat, comprising: a first fabric including a plurality of low-melting fibers, based on the total weight of the first fabric, the low-melting fibers account for 75 to 100 wt %, wherein the low-melting fibers are low-melting fibers. Melting point polyester fiber or low melting point nylon fiber.

In some embodiments, the first fabric further includes a plurality of conventional yarns, and the base material of the low-melting fiber is the same as the base material of the conventional yarns.

In some embodiments, the fabric is tested for water repellency according to the CNS 10461 fabric water repellency test method, and the water repellency rating of the fabric is higher than grade 1.

In some embodiments, the fabric has a water repellency rating higher than class 2.

In some embodiments, according to the CNS 14801 fabric waterproofness test method, the fabric is tested for water resistance, and the water permeability of the fabric is less than 5g.

In some embodiments, the water penetration of the fabric is less than 3 g.

In some embodiments, according to the CNS 12915 L3233-2010 fabric abrasion resistance test method, the fabric is tested for abrasion resistance, and the abrasion times of the fabric are higher than 6500 times.

In some embodiments, the abrasion resistance of the fabric is greater than 8000 cycles.

In some embodiments, according to the CNS 13752 standard method, the cloth is tested for softness, and the softness of the cloth is less than 7 cm. In some embodiments, the softness of the fabric is less than 6 cm.

In some embodiments, the fabric for the seat further includes a second fabric, the first fabric is disposed on the second fabric, and the base material of the second fabric is the same as the base material of the low-melting fiber.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are intended to provide further description of the invention as claimed.

112‧‧‧First Fabric

114A‧‧‧Conventional Yarn

114B‧‧‧Conventional Yarn

116‧‧‧Low melting point fiber

118‧‧‧Thermoplastic materials

P‧‧‧interleaving point

The foregoing and other aspects, features, and other advantages of the present disclosure will be more clearly understood with reference to the description in conjunction with the accompanying drawings, wherein:

Figure 1 illustrates a schematic plan view of a first fabric prior to heat treatment according to various embodiments of the present disclosure.

FIG. 2 illustrates a schematic plan view of a first fabric after heat treatment according to various embodiments of the present disclosure.

For a more detailed and complete description of the present disclosure, reference may be made to the accompanying drawings and the various embodiments described below, wherein the same numerals in the drawings represent the same or similar elements.

Several embodiments of the present invention will be disclosed in the drawings below, and for the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the invention, these practical details are unnecessary. In addition, for the purpose of simplifying the drawings, some well-known structures and elements will be shown in a simple and schematic manner in the drawings.

As used herein, a range represented by "one value to another value" is a general representation that avoids listing all the values in the range in the specification. Therefore, the recitation of a particular numerical range includes any numerical value within the numerical range and a smaller numerical range defined by any numerical value within the numerical range, as if the arbitrary numerical value and the smaller numerical value were expressly written in the specification. same range.

Although a series of operations or steps are used below to describe the methods disclosed herein, the order in which these operations or steps are shown should not be construed as a limitation of the present invention. For example, certain operations or steps may be performed in a different order and/or concurrently with other steps. Furthermore, not all illustrated operations, steps and/or features must be performed in order to practice embodiments of the present invention. Furthermore, each operation or step described herein may contain several sub-steps or actions.

The present disclosure provides a fabric for a seat, comprising: a first fabric including a plurality of low-melting fibers, based on the total weight of the first fabric, the low-melting fibers account for 75 to 100 wt %, wherein the low-melting fibers are low-melting fibers. Melting point polyester fiber or low melting point nylon fiber. Here, the "low melting point" refers to a material that melts after heat treatment.

The cloth of the present disclosure can be used as a cloth for various seats, such as a cloth for a child's seat, a cloth for a car seat, and a cloth for a seat of a public transportation vehicle. According to the needs of the producer, the low-melting fiber content can be easily adjusted to adjust the fabric properties. For example, based on the total weight of the first fabric, the content of the low-melting fiber is, for example, 75 wt %, 80 wt %, 85 wt %, 90 wt %, 95 wt % or 100 wt %. When the content of low-melting fiber is higher, the abrasion resistance of the fabric can be improved, the water seepage in the waterproof test can be reduced, the water repellency level can be improved, and the softness can be maintained.

In some embodiments, the low-melting fiber is a low-melting polyester fiber, which includes polyester, and the polyester is composed of terephthalic acid (Terephthalic acid), ethylene glycol (EG), at least one diacid and at least one Diol copolymerization, wherein at least one diacid is selected from adipic acid (Adipic acid; AA) and 1,4-Cyclohexanedicarboxylic acid (1,4-Cyclohexanedicarboxylic acid; 1,4-CHDA) The group consisting of, at least one glycol is selected from ethoxylated-2-methyl-1,3-propanediol (Ethoxylated 2-methyl-1,3-propanediol; EOMPO), 2-methyl-1,3-propanediol (2-methyl-1,3-propanediol; MPO) and hexanediol (Hexanediol; HDO) group. In some embodiments, the at least one diacid and the at least one diol are in a total of 25-45 mol parts, and the terephthalic acid and ethylene glycol are in a total of 55-75 mol parts. For example, the at least one diacid includes AA, and the at least one diol includes EOMPO and HDO. AA is, for example, 15 moles. EOMPO is, for example, 7.5 mole parts. HDO is, for example, 7.5 mole parts.

In some embodiments, the low melting point fiber is a low melting point nylon fiber comprising repeating units derived from caprolactam, repeating units derived from hexylenediamine, repeating units derived from adipic acid, repeating units derived from sebacic acid units and repeat units derived from phthalic acid-containing diacids. The content of the repeating unit derived from caprolactam is 45 mol parts to 55 mol parts. The content of the repeating unit derived from hexamethylenediamine is 45 mol parts to 55 mol parts. The content of the repeating unit derived from adipic acid is 15 to 30 mol parts. The content of the repeating unit derived from sebacic acid is 15 to 25 mol parts. The content of the repeating unit derived from the phthalic acid-containing diacid is 2 mol parts to 15 mol parts. The repeating unit derived from a phthalic acid includes repeating units derived from terephthalic acid or repeating units derived from isophthalic acid. In some embodiments, the low melting point nylon fiber comprises 50 mol parts of caprolactam, 25 mol parts of a copolymer of adipic acid and hexamethylene diamine, 20 mol parts of sebacic acid and hexamethylene diamine Copolymer, 5 moles of copolymer of terephthalic acid and hexamethylenediamine, and 500 ppm of sodium hypophosphite.

In the present disclosure, the low-melting fiber is woven into the first fabric through the weaving structure design and yarn arrangement, and then heat treatment is performed to promote the melting of the low-melting fiber to bond the fibers, so as to improve the gas barrier properties and water resistance of the first fabric, and further It can achieve the effect of keeping warm and is conducive to making the fabric lightweight, and can avoid the environmental pollution caused by the shedding of microfibers.

In some embodiments, the first fabric further includes a plurality of conventional yarns. The melting point of the low-melting fiber may be lower than that of the conventional yarn, and the base material of the low-melting fiber is, for example, the same as that of the conventional yarn. Specifically, when the low melting point fiber is a low melting point polyester fiber, the conventional yarn is a polyester fiber. When the low-melting fiber is a low-melting nylon fiber, the conventional yarn is a nylon fiber. When the base material of the low-melting fiber is the same as that of the conventional yarn, it is beneficial to recycle the fabric and achieve the effect of reducing waste and being environmentally friendly.

In some embodiments, the fabric is tested for water repellency according to the CNS 10461 fabric water repellency test method, and the water repellency rating of the fabric is higher than grade 1. In some embodiments, the water repellency level of the fabric may be higher than level 2.

In some embodiments, according to the CNS 14801 fabric waterproofness test method, the fabric is tested for water resistance, and the water permeability of the fabric is less than 5g. In some embodiments, the water permeability of the cloth may be less than 3g.

In some embodiments, according to the CNS 12915 L3233-2010 fabric abrasion resistance test method, the fabric is tested for abrasion resistance, and the abrasion times of the fabric are higher than 6500 times. In some embodiments, the abrasion resistance of the fabric may be higher than 8000 times.

In some embodiments, according to the CNS 13752 standard method, the cloth is tested for softness, and the softness of the cloth is less than 7 cm. In some embodiments, the softness of the cloth may be less than 6 cm.

In some embodiments, the fabric for the seat further includes a second fabric on which the first fabric is disposed. In other words, the cloth is double layers of fabric. The base material of the second fabric is the same as the base material of the low melting point fibers in the first fabric. In other words, when the low-melting fiber is a low-melting polyester fiber, the second fabric is a polyester fiber; when the low-melting fiber is a low-melting nylon fiber, the second fabric is a nylon fiber. The base material is also beneficial for recycling fabrics, reducing waste and being environmentally friendly.

In some embodiments, the melting temperature of the low melting point polyester fiber is between 160°C and 180°C, and the melting temperature is, for example, 165°C, 170°C or 175°C. In some embodiments, the starting melting point of the low melting point polyester fiber is between 140°C and 150°C, and the starting melting point is, for example, 145°C. In some embodiments, the melting temperature of the low melting point nylon fiber is between 120°C and 150°C, and the melting temperature is, for example, 125°C, 130°C, 135°C, 140°C or 145°C. In some embodiments, the starting melting point of the low-melting nylon fiber is between 95°C and 105°C, and the starting melting point is, for example, 100°C. In some embodiments, the low melting point fibers are monocomponent fibers. In some embodiments, the low melting point fibers are core-sheath fibers composed of heterogeneous fibers.

In some embodiments, the weaving method of the first fabric is, for example, circular knitting, warp knitting, or flat knitting. Next, please refer to Figures 1 and 2. Figure 1 illustrates a schematic plan view of a first fabric prior to heat treatment according to various embodiments of the present disclosure. FIG. 2 illustrates a schematic plan view of a first fabric after heat treatment according to various embodiments of the present disclosure.

Referring to FIG. 1 , a plurality of conventional yarns 114A and 114B and a plurality of low-melting fibers 116 can be woven together to form a first fabric 112 . In some embodiments, the low melting point fibers 116 may have a lower melting point than the conventional yarns 114A and 114B. The first fabric 112 has a plurality of conventional yarns 114A and 114B in the shape of into multiple interleaving points P. Next, referring to FIG. 2, the low-melting fiber 116 is melted by heat treatment. At this time, the low-melting fiber 116 in the molten state will move along the weaving path of the conventional yarns 114A and 114B, and gradually cover the conventional yarn 114A and 114B. At the same time, the conventional yarns 114A and 114B are maintained in a solid phase. Next, after the low-melting fiber 116 in the molten state is cooled and solidified, it becomes a thermoplastic material 118 as depicted in FIG. 2 to be bonded with the conventional yarns 114A and 114B. The method of weaving the conventional yarns 114A and 114B and the low melting point fiber 116 of the present disclosure is not limited thereto.

In some embodiments, the setting method is, for example, steam setting or hot air setting. Specifically, when the low-melting fiber is a low-melting polyester fiber, the setting method is, for example, hot air setting; when the low-melting fiber is a low-melting nylon fiber, the setting method is, for example, steam setting. In some embodiments, the setting temperature of the low melting point polyester fiber is between 170°C and 190°C, and the setting time is between 30 seconds and 50 seconds. The setting temperature is, for example, 175°C, 180°C or 185°C. The setting time is, for example, 35 seconds, 40 seconds or 45 seconds. In other embodiments, the setting temperature of the low melting point nylon fiber is between 120°C and 130°C, and the setting time is between 50 seconds and 70 seconds. The setting temperature is, for example, 125°C. The setting time is, for example, 55 seconds, 60 seconds or 65 seconds.

The method of the present disclosure can tightly bond the fibers due to the softening and hot-melting properties of the low-melting fiber when heated. Compared with the traditional method of producing fabrics by lamination, the method of the present disclosure has simple steps and is more environmentally friendly.

Hereinafter, the features of the present invention will be described more specifically with reference to experimental examples. While the following embodiments are described, it is not intended to go beyond the scope of the present invention. In such cases, the materials used, their amounts and ratios, processing details, and processing flow, etc. may be appropriately changed. Therefore, the present invention should not be construed restrictively by the embodiments described below.

Experimental example: fabric property test

In this experimental example, a heat-treated fabric was tested for properties. This fabric is a double-layered fabric with a specification of 26G*54", 300g/yd. One layer of the double-layered fabric is woven with polyester yarn, and the other layer is woven with only the aforementioned low-melting polyester fiber, or It is made of polyester yarn and the aforementioned low-melting polyester fiber. The low-melting polyester fiber is a spin drawn yarn (SDY), and the fiber specification is 75d/24f. The setting temperature during heat treatment is 180 ° C, Setting time is 40 seconds. Clothing insulation (CLO) test (according to ASTM D1518-1985 fabric thermal conductivity test method), water repellency measurement (according to AATCC 22 standard method), water resistance test (according to CNS) are carried out on the fabric 14801 fabric water resistance test method), abrasion resistance test (according to CNS 12915 L3233-2010 fabric abrasion resistance test method) and softness test (according to CNS 13752 standard method), please refer to the following table 1 for the test results.

It can be seen from the above Table 1 that when the content of low-melting fiber is higher, the abrasion resistance of the fabric can be improved, the amount of water seepage in the waterproof test can be reduced, and the water repellency level can be increased.

Although the present invention has been described in considerable detail with reference to certain embodiments, other embodiments are possible. Therefore, the spirit and scope of the appended claims should not be limited to the description of the embodiments contained herein.

It will be apparent to those skilled in the art that various modifications and variations can be made in the structure of the present invention without departing from the scope or spirit of the invention. In view of the foregoing, it is intended that the present invention cover modifications and variations of the present invention that fall within the scope of the appended claims.

112‧‧‧First Fabric

114A‧‧‧Conventional Yarn

114B‧‧‧Conventional Yarn

118‧‧‧Thermoplastic materials

P‧‧‧interleaving point

Claims (9)

A cloth for a seat, comprising: a first fabric including a plurality of low-melting fibers, based on the total weight of the first fabric, the low-melting fibers account for 75wt% to 100wt%, wherein the low-melting fibers It is a low-melting polyester fiber, the low-melting polyester fiber includes polyester, and the polyester is copolymerized by terephthalic acid, ethylene glycol, at least one diacid and at least one glycol, and the at least one A diacid is selected from the group consisting of adipic acid and 1,4-cyclohexanedicarboxylic acid, and the at least one diol is selected from ethoxylated-2-methyl-1,3-propanediol and 2 -The group consisting of methyl-1,3-propanediol, according to the CNS 12915 L3233-2010 fabric abrasion resistance test method, the abrasion resistance test of the fabric is carried out, and the abrasion number of the fabric is higher than 6500 times . The fabric of claim 1, wherein the first fabric further comprises a plurality of conventional yarns, and the base material of the low-melting fiber is the same as the base material of the conventional yarn. The fabric according to claim 1, wherein the fabric is tested for water repellency according to the CNS 10461 fabric water repellency test method, and the water repellency rating of the fabric is higher than grade 1. The cloth according to claim 3, wherein the water repellency level of the cloth is higher than level 2. The cloth according to claim 1, wherein the cloth is tested for water resistance according to the CNS 14801 fabric waterproofing test method, and the water seepage amount of the cloth is less than 5g. The cloth of claim 5, wherein the amount of water permeation of the cloth is less than 3 g. The cloth according to claim 1, wherein the abrasion resistance of the cloth is higher than 8000 times. The cloth according to claim 1, wherein the cloth is tested for softness according to the CNS 13752 standard method, and the softness of the cloth is less than 7 cm. The fabric according to claim 1, further comprising a second fabric, the first fabric is disposed on the second fabric, and the base material of the second fabric is the same as the base material of the low-melting fiber.

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