JP2007321248A - Napped pile fabric and manufacturing method thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a napped pile fabric having bulkiness, free from see-through property of the fabric and having soft touch feeling and three-dimensional feeling and a napped pile fabric having abrasion resistance even when using an ultrafine fiber composed of a splittable type conjugate fiber and usable as a surface skin material for vehicle seats. <P>SOLUTION: In a method for producing the napped pile fabric with a pile yarn which is implanted in a base structure where weft is woven into warp, the conjugate fiber composed of a non-latent crimpable finished yarn and a latently highly crimpable finished yarn different in crimp percents is used as the pile yarn and finish processing including a heat treatment step for developing crimp of the latently highly crimpable finished yarn is applied. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a napped pile fabric suspension that is suitably used as a skin material for a seat of a vehicle and a skin material for a furniture chair.

Conventionally, napped pile piles have a napile pile that constitutes the surface of the fabric, and since the napped pile has a smooth, napped feeling and a high-class and elegant appearance, not only the clothing field but also interior decoration materials such as chair upholstery, Furthermore, it has been widely used as a skin material for automobile seats. Such a napped pile of a fabric is usually made of a non-latent crimped yarn as disclosed in Japanese Patent Laid-Open No. 05-279963 (Patent Document 1), but the resulting fabric is bulky. It is known that pile collapse occurs rarely, and therefore, when such a fabric is bent, for example, there is a problem of so-called “ground penetration” in which the ground can be seen through the pile.

On the other hand, the raised fabric obtained by using the polyester false twisted yarn having the usual latent crimping property in the pile yarn has a bulkiness as compared with the one using the non-latent crimping polyester multifilament yarn. Although the effect is seen through the ground, there is a problem that the surface has a feeling of roughness and unevenness and has a blanket-like appearance, and has not reached a level to obtain a napped fabric with a smooth surface and a high-class feeling.

Furthermore, the technology for ultrafine multifilament fibers has been rapidly developed, and many fabrics using ultrafine fibers composed of split composite yarns have been proposed. For example, as disclosed in Japanese Patent Application Laid-Open No. 03-051364 (Patent Document 2), peach skins and suede-tones developed as artificial leather are often used because the surface feel is very soft. However, ultrafine fibers having a single yarn fineness of 0.01 to 0.3 dtex are used as these fibers. However, because of its thinness, it has low wear resistance and cannot be used as a skin material for seats of vehicles.
JP 05-279963 A Japanese Patent Laid-Open No. 03-051364

The present invention has been made in view of such a technical background, and is composed of a napped pile fabric suspension having a high-class feeling of a smooth surface, which is bulky and has no “ground-through”, and further a split composite yarn. An object of the present invention is to provide a napped pile cloth suspension that has wear resistance even when an ultrafine fiber is used and can be used as a skin material for a seat of a vehicle.

In order to achieve the above object, the present invention provides the following means.

[1] In a napped pile fabric suspension in which pile yarns are planted in a ground structure in which wefts are woven into warps, non-latent crimped yarns and latent highly crimped yarns having different crimp rates as the pile yarns As a result of weaving using a composite yarn made of yarn and then performing a finishing process including a heat treatment step, a difference in crimp elongation between the non-latent crimped processed yarn and the latent highly crimped processed yarn is developed. Napped pile fabric suspension.

[2] The latent high crimped processed yarn has a crimp rate of 1% to 10% and a crimp rate of 30 ° C. or higher when the processing temperature applied to the yarn is less than 150 ° C. % To 60% polyester multifilament yarn, wherein the non-latent crimped processed yarn has a crimp rate of 1% to 10%, and the single yarn fineness after splitting is 1.1 dtex or less 2. The napped pile cloth hanging according to the preceding item 1, which is composed of any one kind of processed yarn selected from the group consisting of alkali-soluble divided polyester or water-soluble divided polyester and microfiber having a single yarn fineness of 1.1 dtex or less .

[3] The napped pile fabric according to item 1 or 2, wherein a weight ratio of the non-latent crimped processed yarn and the latent highly crimped processed yarn constituting the pile yarn is 90/10 to 50/50 Hanging.

[4] In a napped pile fabric suspension in which a pile yarn is planted in a ground structure in which wefts are woven into warps, a flat cut pile is formed until heat treatment for developing crimps is performed, and heat treatment at 150 ° C. or higher A method for producing a napped pile fabric suspension, characterized in that a difference in crimp elongation is expressed in the non-latent crimped processed yarn and the latent highly crimped processed yarn by performing a finishing process including a process.

According to the invention of [1], in the weaving process of the napped pile cloth hanging, a napped pile cloth hanging having a surface having the same height is manufactured by a conventional weaving equipment and a weaving method which is easy to manufacture. Then, by performing a finishing process including a heat treatment step, it is possible to manufacture a napped pile cloth suspension in which the pile property is separated into two layers in the vertical direction.

According to the invention of [2], as a latent highly crimped processed yarn constituting the pile yarn, a polyester having a crimp rate of 30% to 60% which is expressed when the processing temperature applied to the yarn is 150 ° C. or higher. Since the multifilament yarn is used, the latent highly crimped processed yarn is subjected to a finishing process including a heat treatment step so that a high latent crimp is generated and a non-latent crimped multi-thread that does not exhibit crimp. The pile root portion and the side surface of the filament yarn can be covered, the grounding of the napped pile fabric suspension can be prevented, and the strength performance such as abrasion resistance can be improved. Moreover, since the crimping rate expressed in a state of less than 150 ° C. is expressed only as low as 1% to 10%, the variation in the filament height due to the difference in crimp elongation in the pile yarn in the weaving process is eliminated, which is favorable. Weaving property is obtained. Furthermore, there is no difference in crimp elongation even in composite yarns with different crimping rates, depending on the processing temperature during dyeing, and yarn dyeing that has been considered impossible is now possible, making it possible to hang a raised pile fabric with a high-class design. Can be manufactured. On the other hand, as the non-latent crimped processed yarn, a polyester multifilament yarn having a crimp rate of 1% to 10% is used. Therefore, the non-latent crimped processed yarn is subjected to a finishing process including a heat treatment step. Even if it does, latent crimp does not express and the napped pile cloth hanging with the soft nap feeling of the smooth surface can be manufactured in the state where the density of pile yarn decreased.

According to the invention of [3], since the latent highly crimped processed yarn constituting the pile yarn has a weight ratio of 10% to 50% in the pile yarn, the entire pile collapses and there is no pile fabric feeling Instead of hanging, it is possible to produce a napped pile cloth hanging that has moderate bulkiness, has no “ground-through”, has a soft feel, and has a raised feeling.

According to the invention of [4], by performing a finishing process including a heat treatment step at 150 ° C. or higher, a pile yarn composed of the non-latent crimped processed yarn and the latent highly crimped processed yarn is broken during the processing step. Even if we use conventional weaving equipment and weaving methods to express the difference in expansion and contraction, there is no bulkiness, there is no `` ground-through '', the texture is soft and the napped pile cloth has a feeling of napping, and further, the split type composite Even if ultrafine fibers made of yarn or microfiber are used, it is possible to provide a method for producing a napped pile cloth suspension that has wear resistance and can be used as a skin material for a seat of a vehicle.

The best mode for carrying out the present invention will be described in detail below. As the raised pile cloth hanging of the present invention, it refers to pile fabrics such as moquettes and bends.

As the pile yarn used in the present invention, a composite yarn composed of a non-latent crimped processed yarn and a latent highly crimped processed yarn having different crimp rates is used. For example, the latent highly crimped processed yarn is given to the yarn. It is preferable to be composed of a polyester multifilament yarn having a crimp rate of 30% to 60% that is exhibited when the processing temperature is 150 ° C. or higher. The non-latent crimped processed yarn is a polyester multifilament yarn having a crimp rate of 1% to 10%, or a split consisting of a readily alkali-soluble polyester and a hardly alkali-soluble polyester having a crimp rate of 1% to 10%. It is preferably composed of a mold composite yarn.

In the present invention, the moquette obtained after weaving the pile yarn is subjected to a finishing process such as a raising process and a shearing process including a heat treatment process. This heat treatment step is preferably performed at a temperature of 150 ° C. or higher.

When the processing temperature applied to the yarn by the heat treatment step is 150 ° C. or higher, the crimp elongation difference between the non-latent crimped processed yarn and the latent highly crimped processed yarn is 20% or more, and the pile yarn is vertically 2 It becomes easy to separate into layers, or the latent high crimped processed yarn easily includes the non-latent crimped processed yarn. A pile fabric suspension, and even a napped pile fabric suspension having wear resistance can be produced even if ultrafine fibers are used. If the crimp elongation difference is less than 20%, the pile yarn is difficult to separate into upper and lower layers, and it becomes difficult to obtain the various effects described above. Such a very high crimp elongation difference is required because a latently highly crimped processed yarn, i.e., a fiber having a relatively short pile length, is obtained by raising treatment after the occurrence of the crimp elongation difference (after heat treatment). This is because the difference in the apparent pile height is reduced by scraping, and it is necessary to set the crimp rate difference in advance to be large.

The latent highly crimped processed yarn, which is one component of the composite yarn used as a pile yarn used in the present invention, is a processed yarn made of polyester multifilament that exhibits crimps that have been latentized by heat treatment, and is 150 Crimp rate after being placed in an oven set at a temperature of less than ℃ and treated for 30 minutes, 1% to 10%, placed in an oven set at a temperature of 150 ° C or higher and crushed for 30 minutes Has a potential crimp performance of developing 30% to 60%, more preferably 35 to 50% crimp.

The crimp rate in the present invention is measured by the following method. A load of 1/30 g / dtex is applied to the sample, and its length L1 (mm) is measured. Then, the load is removed, and the sample is placed in a dryer and dried at a drying temperature of 160 ° C. for 30 minutes. After drying, it is cooled at room temperature, a load of 1/30 g / dtex is applied again, and its length L2 (mm) is measured. Substituting the above L1 and L2 into the following equation, the crimp rate at 160 ° C. is calculated. In addition, let the average value of the measurement frequency | count of 5 times be the measured value. Crimp rate (%) at 160 ° C. = [(L 1 −L 2) / L 1] × 100 135 ° C. Crimp rate (%) at 135 ° C. is obtained by setting the drying temperature to 135 ° C. by the above method.

Polyester multifilaments that make up such latently crimped processed yarns can be obtained by combining two mutually compatible polymers with different heat shrinkage properties into side-by-side and eccentric core-sheath types and performing composite spinning. it can. When the latent crimpable filament is a polyester-based fiber, two types of polyethylene terephthalate having different degrees of polymerization are used in combination, or a copolyester obtained by copolymerizing isophthalic acid with respect to an ethylene terephthalate unit; Uses a filament that is composite-spun with a combination of a copolyester such as a copolyester copolymerized with 2-bis [4- (2-hydroxyethoxy) phenyl] propane or a copolyester copolymerized with sulfoisophthalic acid and polyethylene terephthalate. be able to.

The polyester multifilament constituting the latent highly crimped processed yarn is crimped by a finishing process including a heat treatment step of hanging napped pile cloth, and prevents pile hair fall of the non-latent crimped processed yarn. Alternatively, from the viewpoint of wrapping the non-latent crimped processed yarn and covering the strength, the single yarn fineness is preferably 1 to 4 dtex, more preferably 2 to 3 dtex, in order to exhibit excellent covering performance.

Furthermore, the non-latent highly crimped processed yarn constituting a part of the composite yarn used as the pile yarn used in the present invention appears on the surface and affects the pile density and the surface touch. Indented crimped yarns, knitted denited crimped yarns and the like can be used, but false twisted crimped yarns are most preferred from the standpoint of easy setting of the crimping rate and stability of the crimping rate. In order to have a soft texture, the crimp ratio at a temperature setting of less than 150 ° C. and 150 ° C. or more is preferably 1% to 10%, more preferably 3% to 7%, and the usual polyester, nylon, etc. Examples thereof include filament yarns of synthetic fibers.

Therefore, the latent highly crimped processed yarn and the non-latent highly crimped processed yarn, which are components of the composite yarn used as the pile yarn used in the present invention, are subjected to a finishing process including a heat treatment step of 150 ° C. or higher. A conventional production method can be used without any crimp elongation difference. Then, by applying a finishing process including a heat treatment step of 150 ° C. or higher, a crimp elongation difference of 20% to 59%, more preferably 25% to 49% is expressed, and the raised pile cloth hanging which is the object of the present invention is applied. Can be manufactured.

Further, as a non-latent highly crimped processed yarn constituting a part of the composite yarn used as a pile yarn used in the present invention, an alkali-soluble split-type composite fiber, a water-soluble split-type composite fiber, and a microfiber that are ultrafine fibers Can be used. A split type composite fiber is a fiber in which a soluble component polymer and an easily soluble component polymer are arranged on a cross section of a single fiber, and is formed by spinning and drawing. The single yarn is divided into post-treatment to form ultrafine fibers. Microfibers are fibers made with a fine single yarn fineness (usually 0.1 to 2.0 dtex) from the melt spinning stage. However, from the viewpoint of productivity and economy, alkali-soluble split polyester and water-soluble splitting are used. Polyester is preferred.

Alkali-soluble split-type polyester consists of an alkali hardly soluble component and an alkali easily soluble component, and an alkali hardly soluble component has terephthalic acid which is a general polyester component as a main acid component, and alkylene glycol having 2-6 carbon atoms, particularly preferably ethylene. A polyester component having glycol as a main glycol component, or a polyester component having terephthalic acid as a main acid component and butadiene glycol as a main glycol component. In addition, the alkali-soluble component is 5-sodium sulfoisophthalic acid, sulfoisophthalic acid, isophthalic acid, adipic acid, P-oxybenzoic acid, naphthalene-2,6-dicarboxylic acid, sebacic acid, as the third component in the polyester. It is a polyester component obtained by copolymerizing a known copolymer component such as 1-4 butanediol, P-B oxyethoquinbenzoic acid, cyclohexanedicarboxylic acid, neopentyl glycol and the like by several mol% to 20 mol%.

The water-soluble partitioning polyester is composed of a water-soluble modified polyvinyl alcohol component and a polyester component. The modified polyvinyl alcohol component contains 8 mol% of ethylene units, has a polymerization degree of 380, and a saponification degree of 98 mol%. It is a sex component. The polyester component is a water-insoluble general polyester component, and is a composite yarn obtained by spinning both components in a multi-core sheath type.

As a non-latent highly crimped processed yarn constituting a part of the composite yarn used as a pile yarn used in the present invention, a napped pile fabric suspension using a polyester-based split composite fiber is alkali-treated. Alkali treatment involves printing an alkali-containing printing paste on a fabric using polyester-based split composite fibers, drying, and then heat-treating with dry or wet heat, followed by neutralization and washing treatment to easily dissolve alkali components It means to eat.

In addition, the non-latent highly crimped processed yarn constituting a part of the composite yarn constituting the composite yarn appears on the surface, and thus has a high pile raising property and has a soft touch with a controlled secondary moment. In order to achieve a smooth texture, the single yarn fineness is preferably 0.1 to 2.0 dtex, more preferably 0.1 to 0.5 dtex.

The composite yarn in the present invention is obtained by a method of mixing a non-latent crimped processed yarn and a latent highly crimped processed yarn with high-pressure air, a method of twisting, a method of aligning and joining, etc. The method of mixing with air has the highest uniformity. In addition, the number of mixed fiber entanglement is preferably 30 to 100 / m, and more preferably 40 to 80 / m.

In addition to the above configuration, the weight ratio between the non-latent crimped processed yarn and the latent highly crimped processed yarn is also an important factor. That is, in order to obtain a pile feeling with good pile fallability, the weight ratio of the latent highly crimped processed yarn in the pile yarn is 10% to 50%, more preferably 20% to 40%. preferable. Furthermore, in order to enhance the up-and-down discoloration effect of the two-layered long pile and the short pile, and to prevent hair fall by soft touch, the pile length of the moquette is preferably 1.0 to 4.0 mm, more preferably 1.5-3.0 mm. The pile length referred to here is the length from the root of the ground tissue portion to the tip of the pile.

In the napped pile pile hanging of the present invention, before weaving using the composite yarn containing the non-latent crimped yarn and the latent highly crimped yarn, yarn dyeing is performed using a high-pressure cheese dyeing machine. Can do. In this high-pressure cheese dyeing machine, it is necessary to give the yarn a temperature of 120 to 140 ° C. At this temperature, a composite yarn composed of a normal crimped processed yarn and a non-latent crimped processed yarn that does not develop crimps. When used, only normal crimped processed yarns were crimped, resulting in variations in yarn length, which could not be used in subsequent processes such as weaving. When the composite yarn containing the latent highly crimped processed yarn of the present invention is used, crimping does not occur under the temperature conditions of the high-pressure cheese dyeing machine, and the composite non-latent crimped processed yarn and the yarn length are aligned. Thus, it can be used sufficiently in subsequent processes such as weaving. Therefore, in the napped pile cloth hanging of the present invention, yarn dyeing can be performed before weaving, and a napped pile cloth hanging of a high-quality design can be manufactured.

The napped pile fabric suspension of the present invention is manufactured after a finishing process including a heat treatment process by producing a moquette fabric through a weaving process using a composite yarn containing the non-latent crimped processed thread and the latent highly crimped processed thread. Brushed and shirred to create a raised pile cloth suspension.

The napped pile fabric suspension of the present invention is formed by weaving two ground textures with a conventional double pile loom, and locking the pile thread between the two ground textures. It consists of a moquette obtained by cutting it apart in the middle (by dividing it into two sides). The composite yarn composed of the non-latent crimped processed yarn and the latent highly crimped processed yarn used as the pile yarn used in the present invention has no crimp elongation difference in this weaving process, and has good production Sex is obtained.

Further, even if the non-latent crimped processed yarn is subjected to a finishing process including a heat treatment step of 150 ° C. or higher, the latent crimp does not appear, and the root is based on the latent highly crimped processed yarn in which the crimp is developed. In a state where the pile yarns are supported, a napped pile fabric suspension having a smooth surface and a soft nap feeling can be produced in a state where the pile yarn density is reduced.

In the present invention, the processed yarn for knitting the texture of the moquette is not particularly limited, and is a polyester false twisted yarn, a polyester / rayon blended yarn, a latent crimped filament yarn, a non-latent crimped filament yarn, etc. Any of the processed yarns may be used.

In the present invention, the moquette obtained as described above is subjected to a finishing process including a heat treatment step for expressing the crimp of the latent highly crimped processed yarn. As the heat treatment step for expressing the crimp of the latent highly crimped processed yarn, it is preferable to treat at a temperature of 150 ° C. or higher. Furthermore, when finishing a napped pile fabric suspension to a nap-like finish, it is preferably treated at a temperature of 150 ° C. to 170 ° C., and when finishing a suede tone, a temperature of 160 ° C. or higher is preferred.

The upper part of the pile composed of the non-latent crimped yarn and the latently highly crimped yarn that manifests the crimp forming the lower part of the pile are separated into two layers, preventing the see-through of the napped pile fabric hanging Finished in napped pile fabric suspension, which can improve strength performance such as wear resistance.

Examples of the present invention will be described below, but the present invention is not limited to the following examples.

<Example 1> Polyester false twisted yarn (110 dtex / 24/2) is used for the ground warp yarn and the ground horizontal yarn as the processed yarn for knitting the ground structure of the moquette fabric in the present invention, and the pile yarn is dispersed. Polyester non-latent crimped processed yarn having a single yarn fineness of 1.1 dtex dyed in gray with a dye (110 dtex / 144f, crimped at 135 ° C, 8.3%, crimped at 160 ° C) Degree of 8.5%) Polyester latent high crimped yarn with a single yarn fineness of 2.2 dtex (84 dtex / 36f, 4.1% crimp under 135 ° C condition, wrinkle under 160 ° C condition (36.0% shrinkage) Air entangled with one yarn, using a pile yarn whose latent highly crimped processed yarn has a weight ratio of 33.3% in the pile yarn, and a pile density of 34 / 2.54cm x 56 in the horizontal direction / 2.54cm To, was weaving in moquette standard of pile length 1.9mm. The obtained raw machine was subjected to a dry heat treatment at 160 ° C. for 4 minutes in a dryer to develop crimps. Next, it was backed up with a 30% aqueous solution of acrylic resin and dried. Then, after raising and shearing, the napped pile cloth hanging of the present invention was obtained.

<Example 2> As a pile yarn, a polyester non-latent crimped processed yarn having a single yarn fineness of 1.1 dtex dyed in gray using a disperse dye (110 dtex / 144f, degree of crimp under 135 ° C condition: 8. 3% Polyester latent high crimped processed yarn with a crimp of 8.5% at 160 ° C and a single yarn fineness of 2.2 dtex (84 dtex / 36f, with a crimp of 4 under 135 ° C) .1%, crimp degree of 53.2% under the condition of 160 ° C.) Air entangled with one yarn, and the pile yarn whose latent high crimped processed yarn is 33.3% by weight in the pile yarn A napped pile cloth suspension was obtained in exactly the same manner as in Example 1 except that it was used.

<Example 3> A split type composite yarn composed of a highly alkali-soluble polyester having a single yarn fineness of 1.6 dtex and a poorly alkali-soluble polyester as a pile yarn (0.16 dtex after splitting, degree of crimp under a condition of 135 ° C of 3.8) %, A polyester latent highly crimped processed yarn (84 dtex / 36f, 135 ° C. condition) having two crimps of 3.9% at 160 ° C. and a single yarn fineness of 2.2 dtex. 1%, with a crimp degree of 36.0% under the condition of 160 ° C.) using one air entangled yarn, weaving in the same manner as in Example 1, and treating under the following conditions to produce an alkali-soluble polyester It was removed and dyed gray using a disperse dye with a liquid dyeing machine. Then, it processed on the conditions similar to Example 1, and obtained napping pile cloth hanging.

As a method for reducing the alkali, a liquid dyeing machine was used to treat in an acidic aqueous solution of PH2.5 to which 1 g / L of maleic acid had been added at 130 ° C. for 30 minutes, followed by washing with water and 90 ° C. with an aqueous solution containing 6% by weight of caustic soda. The alkali-soluble polyester was dissolved and removed by alkali treatment for 30 minutes.

<Example 4> A microfiber having a single yarn fineness of 1.0 dtex as a pile yarn (crimp degree 3.4% under 135 ° C condition, crimp degree 4 under 160 ° C condition 4)
. 6%) Polyester latent highly crimped processed yarn of two yarns and a single yarn fineness of 2.2 dtex (84 dtex / 36f, 4.1% crimp under 135 ° C condition, 36 crimp under 160 ° C condition 0.0%) A napped pile fabric suspension was obtained in exactly the same manner as in Example 1 except that one air entangled yarn was used.

<Comparative Example 1> Polyester non-latent crimped processed yarn having a single yarn fineness of 1.1 dtex dyed gray using a disperse dye as a pile yarn (110 dtex / 144f, crimp rate of 8.3% at 135 ° C) In the same manner as in Example 1 except that three air entangled yarns were used, a napped pile cloth hanging was obtained.

<Comparative Example 2> Polyester latent highly crimped processed yarn having a single yarn fineness of 2.2 dtex (84 dtex / 36f, 4.1% crimp under 135 ° C condition, 36. crimp under 160 ° C condition. 0%) A napped pile cloth suspension was obtained in exactly the same manner as in Example 1 except that three air entangled yarns were used.

<Comparative Example 3> A single yarn fineness of 1.6 dtex dyed gray using a disperse dye as a pile yarn (0.16 dtex after splitting, 3.8% crimping condition at 135 ° C, 160 ° C condition) Other than using split air-combined yarns (78 dtex / 48f, 10% crimp) of split-type composite yarns consisting of a readily alkali-soluble polyester with a crimping degree of 3.9% and a poorly alkali-soluble polyester In the same manner as in Example 2, a napped pile cloth suspension was obtained.

<Comparative Example 4> A napped pile cloth hanging was obtained in exactly the same manner as in Example 1 except that the obtained raw machine was subjected to dry heat treatment at 130 ° C for 4 minutes in a dryer to develop crimps. .

<Comparative Example 5> A napped pile fabric suspension was obtained in exactly the same manner as in Example 1 except that a pile yarn having a weight ratio of 66.6% in the pile yarn was used as the latent highly crimped processed yarn.

For each napped pile cloth suspension obtained as described above, the abrasion test, the cracking property, and the smoothness are measured by the following Taber abrasion test method, hair cracking test method, smoothness test method, and the wear resistance. The degree of smoothness and napiness was examined. The results are shown in Table 1.

<Taber Abrasion Test Method> Using a Taber abrasion tester defined in JIS L 1096 8.17.3, a test was conducted under the following conditions to examine the degree of abrasion of the test piece surface. The change in appearance was evaluated in accordance with regulations by class A: no abnormality, class B: slightly damaged, class C: vertical or horizontal cut. Wear wheel used: CS-10, load: 4.9 N, test rotation speed: 1000 times, rotational friction speed: about 70 r / min

<Hair cracking test method> The napped pile fabric was folded back about 180 degrees along the vertical, horizontal, and slanted directions, and the appearance quality at the bent portion at that time was evaluated by sensory evaluation. At the folded part, “×” indicates that the ground texture is visible between the piles and the appearance quality is low, “△” indicates that the texture is slightly visible between the piles, and “△” indicates that the texture is not visible from between the piles. The one with a high value was rated as “◯”.

<Smoothness test method> The coefficient of friction (MIU) and the coefficient of variation (MMD) were measured using a KES-SE friction tester manufactured by Kato Tech, which is used for evaluating the texture of the fabric. The coefficient of friction (MIU) represents the ease of slipping of the sample surface, and the larger the value, the less likely the surface will slip. As evaluation, (circle): It was easy to slip (MIU, 0.400 or less), (triangle | delta): It was easy to slip easily (MIU, 0.401-0.429), and x: It was hard to slip (MIU, 0.430 or more). Friction coefficient variation (MMD) represents the feeling of roughness and unevenness on the sample surface, and indicates that the roughness of the surface increases as the value increases. As evaluation, it was set as (circle): There is no roughness (MMD, 0.100 or less), (triangle | delta): Some roughness (MMD, 0.101-0.109), X: There exists roughness (MMD, 0.110 or more).

As is apparent from Table 1, the napped pile fabric suspensions of Examples 1 to 4 are all excellent in abrasion resistance, bulky, and have no “ground-through”, and have a soft texture and a napped feel. I got a hanging fabric.

On the other hand, the napped pile cloth suspensions of Comparative Examples 1 and 4 have poor bulkiness and pile collapse occurs. Therefore, when such a cloth is bent, for example, the ground can be seen through between the piles. It became napped pile fabric hanging. Further, the napped pile cloth suspension of Comparative Example 3 has low wear resistance and was not a napped pile cloth suspension that can be used as a skin material for a seat of a vehicle. Furthermore, although the raised pile fabric suspension of Comparative Examples 2 and 5 is bulky, it has not reached a level to obtain a raised fabric having a smooth surface and a high-class feeling.

Claims (4)

In the napped pile fabric suspension in which the pile yarn is planted in the ground structure in which the weft is woven into the warp, the pile yarn is composed of a non-latent crimped processed yarn and a latent highly crimped processed yarn having different crimp rates. Weaving using a composite yarn, and then finishing processing including a heat treatment step is performed, so that a difference in crimp elongation between the non-latent crimped processed yarn and the latent highly crimped processed yarn is expressed. Characterized napping pile cloth hanging. The latent highly crimped processed yarn has a crimp rate of 1% to 10% that is expressed at a processing temperature of 150 ° C. or less applied to the yarn, and a crimp rate of 30% to 60% that is expressed at a temperature of 150 ° C. or higher. %, A polyester multifilament yarn having a characteristic that the non-latent crimped processed yarn has a crimp rate of 1% to 10% and has a single yarn fineness of 1.1 dtex or less after splitting. 2. The napped pile fabric hanging according to claim 1, wherein the napped pile fabric is composed of split polyester or water-soluble split polyester, and any one processed yarn selected from the group of microfibers having a single yarn fineness of 1.1 dtex or less. The napped pile fabric hanging according to claim 1 or 2, wherein a weight ratio of the non-latent crimped processed yarn and the latent highly crimped processed yarn constituting the pile yarn is 90/10 to 50/50. In a napped pile fabric suspension in which pile yarn is planted in a ground structure in which wefts are woven into warps, a flat cut pile is formed until heat treatment for developing crimp is performed, and a heat treatment step of 150 ° C. or higher is included. A method for producing a napped pile fabric suspension, characterized in that, by performing a finishing process, a difference in crimp elongation between the non-latent crimped processed yarn and the latent highly crimped processed yarn is expressed.