JP7045412B2 - Pile fabric and its manufacturing method - Google Patents

Description

The present invention relates to the field of spinning technology, specifically to pile fabric.

Conventionally, in order to improve the comfort of towel products, it is generally woven by forming piles using natural fibers, but cotton yarn has poor bulkiness, poor washing resistance, and repeated washings. It has drawbacks such as being hard to the touch and easily fluffing, and hemp is too rigid to be soft and comfortable.

In order to improve the feel and comfort of the towel cloth, water-soluble vinylon or water-soluble PVA thread is used, and after post-treatment, the water-soluble thread dissolves in water, which is soft to the touch and has strong water absorption. You can get pile land. However, such a product has a large weight loss of about 20% in the final product, which is wasted. On the other hand, after the water-soluble yarn is dissolved, it causes environmental pollution.

However, since the untwisted yarn has no number of twists, there is a problem that the fluffing is further severe and the strength is insufficient in the process of use.

The first technical problem to be solved by the present invention is to provide a pile fabric which is soft to the touch, has high bulkiness, has good hygroscopicity and air permeability, and is hard to fluff, in response to the shortage existing in the prior art. That is.

The second technical problem to be solved by the present invention is a method for producing a pile fabric which is soft to the touch, has high bulkiness, has good hygroscopicity and air permeability, and is hard to fluff, in response to the shortage existing in the prior art. This method is simple in process, environmentally friendly, and low in manufacturing cost.

The technical solution means of the present invention for solving the first technical problem is as follows.

A pile is woven on at least one surface, the pile is made by weaving a yarn in which an ultrafine fiber is wound around the outside of a natural fiber, and the ultrafine fiber slides downward at the top of the pile. A pile fabric that forms a low pile in the inner layer and exposes the natural fibers at the top of the pile to form a high pile in the outer layer.

As one preferred technical solution, the natural fiber comprises cotton fiber, bamboo fiber or raw silk.

As one preferred technical solution, the ultrafine fibers are composite fibers obtained by melting PA6 slices and PET slices and then spinning them together.

As one preferred technical solution, the yarn in which the ultrafine fiber is wound around the outside of the natural fiber is formed by winding an ultrafine fiber filament yarn of 50 to 300D around a cotton bundle of 10 to 30S, and a total twist of both. The number is 78 to 150 T / m.

As a more preferable technical solution, the yarn in which the ultrafine fiber is wound around the outside of the natural fiber is formed by winding the ultrafine fiber filament yarn of 75D / 36f around a cotton bundle of 16s, and the total twist number of both is 90T. / M.

As one preferred technical solution, the single yarn line density of the ultrafine fibers ≦ 0.55 dtex.

As one preferred technical solution, the bottom warp of the untwisted pile fabric is a natural fiber, a blended yarn, a chemical fiber or a composite fiber.

As a more preferable technical solution, the bottom warp includes a machine woven fabric in which a 300D DTY terylene nylon composite low elasticity yarn is used as a warp and a 21S cotton yarn is used as a warp.

As another preferred technical solution, the bottom warp is a knitted fabric in which a 150D DTY polyethylene terephthalate fiber ( terylene ) nylon composite low elasticity yarn is used as a warp and weft insert and a 100D polyethylene terephthalate fiber ( terylene ) yarn is used as a chain knit. include.

The technical solution means of the present invention for solving the second technical problem is as follows.

A method for manufacturing a pile fabric, which comprises the following steps (1) to (3).
(1) Spinning Ultrafine fibers are wound around natural fibers and spun together, and the total number of twists is 78 to 150 T / m.
(2) Weaving of fabric
The yarn obtained in (1) is used as a pile yarn, a composite low elasticity yarn of polyethylene terephthalate fiber and nylon is used as a warp, and a cotton yarn is used as a warp and weave on a single-sided or double-sided pile fabric raw machine.
(3) Post-treatment The dough raw machine is subjected to post-treatment steps including unwinding, fibrillation, washing and fixed form to obtain a pile fabric.

As one preferred technical solution, the post-treatment step comprises the following (1)-(7).
(1) Fibrilization In an alkaline solution having a concentration of 4 to 6 g / L, the temperature is raised to 95 to 105 ° C. and the temperature is kept for 60 to 80 minutes.
(2) Washing In warm water at 35 to 38 ° C., wash with water for 20 to 30 minutes, soak, and add acetic acid so that PH = 7 to neutralize.
(3) Staining Staining is performed using the curve temperature raising method, the starting temperature is 28 to 32 ° C., the temperature is raised to 120 to 130 ° C. at a rate of 2 ° C./min, the temperature is kept for 30 to 40 minutes, and then the temperature is kept high. The temperature is lowered to 55 to 65 ° C. at a rate of 2 ° C./min. The dyeing aid is a degreasing agent of 1.5 g / L and a leveling agent of 0.6 g / L, and a disperse dye is used as the dye.
(4) Reduction washing Add 1.0 to 1.5 g / L of sodium dithionite and 0.5 to 0.8 g / L of anhydrous sodium carbonate to the bath solution, and keep the temperature at 60 to 65 ° C. for 20 to 30 minutes. do.
(5) Wash with water Add 2% of detergent and keep warm at 40 to 42 ° C for 15 to 20 minutes.
(6) Post-treatment Add 1.0 to 2.0% of hydrophilic silicone oil to the treatment liquid and keep it warm at 40 to 42 ° C for 20 to 25 minutes.
(7) The temperature of the standard roller is 160 to 170 ° C, and the lathe speed is 26 to 28 m / min. Model number: STB501.

As one preferred technical solution, the yellow-brown WXF disperse dye produced by Zhejiang Zhao Dyeing Plant was used as the disperse dye, and the 6843 hydrophilic silicone produced by Suzhou Lianxia Chemical Co., Ltd. as the hydrophilic silicone oil. Using oil, the KH2510 leveling agent manufactured by Masatoshi Qingdao was used as the leveling agent, and the purified dyeing degreasing agent HS-1 manufactured by Antin Kairai Biochemical Co., Ltd. was used as the degreasing agent. As a cleaning agent, the non-foaming soaping detergent HS-266 is used.

Since the above technical solution is used, the present invention can obtain the following beneficial effects.

In the pile fabric of the present invention, a pile is woven on at least one surface, and the pile is woven by a thread in which ultrafine fibers are wound around the outside of natural fibers, and the ultrafine fibers are the pile. It slides down at the top of the pile to form a low pile of the inner layer, and the natural fibers at the top of the pile are exposed to form a high pile of the outer layer. As the pile, a thread in which ultrafine fibers are wound around the outside of natural fibers is used, and after the threads are washed with water and dyed and shaped, the ultrafine fibers have a different shrinkage rate from the natural fibers, so that the ultrafine natural fibers are piled. It slides down at the top of the to form a low pile, and it is natural fibers such as cotton, bamboo fiber or raw yarn that come into direct contact with the skin. Moreover, the ultrafine fibers forming a low pile exerted its excellent water absorption performance and increased the water absorption of the entire fabric. Moreover, since the number of twists of the lower cotton and the ultrafine fibers still exist in the pile, the fluffing rate of the untwisted yarn was effectively reduced. Therefore, the present invention retains the soft and fluffy characteristics of the non-twisted yarn fabric, effectively improves the water absorption and skin affinity of the fabric, reduces the fluffing rate, and uses a two-layer pile to towel. Increased the pile fullness of the fabric.

Since the production of the pile fabric of the present invention does not use water-soluble yarn, the production process is simple and does not waste without causing environmental pollution.

Hereinafter, the present invention will be further described by combining drawings and examples.
FIG. 1 is a schematic structural diagram of a single-sided pile fabric according to the present invention. FIG. 2 is a schematic structural diagram of a double-sided pile fabric according to the present invention. FIG. 3 is a schematic structural diagram of a thread in which ultrafine fibers are wound around the outside of natural fibers used in the present invention. FIG. 4 is a schematic structural diagram of the pile according to the present invention.

Hereinafter, the present invention will be further described with reference to the drawings and examples. It may be understood that these examples are not intended to limit the invention, but to illustrate the invention. Further, based on the content described in the present invention, those skilled in the art may make various changes or changes to the present invention, and these equivalent forms are also included in the present application. It is in the range limited to.

As shown in FIGS. 1 to 4, in the pile fabric of the present invention, the pile fabric is woven with piles on one side or both sides of the ground structure 3, and the piles are made of natural fibers 6 and ultrafine fibers. It is woven by a yarn wound with 7 and the ultrafine fibers 7 slide downward at the top of the pile to form low piles 2 and 4 in the inner layer, and the natural fibers 6 at the top of the pile are exposed. Form high piles 1 and 5 of the outer layer.

Example 1
It is a pile fabric, and a pile is woven on one side of the pile fabric. The pile is made by winding PA6 slices and PET slices around bamboo fibers and then winding ultrafine fibers obtained by spinning them together. Woven by yarn , the ultrafine fibers slide down at the top of the pile to form a low pile in the inner layer, and the bamboo fibers at the top of the pile are exposed to form a high pile in the outer layer. .. The number of twists of the ultrafine fibers of the spun yarn wound around the bamboo fibers is 100 T / m.

Example 2
It is a pile fabric, and piles are woven on both sides of the pile fabric, and the pile is woven by a yarn formed by winding the 120D ultrafine fiber filament yarn around a 24s cotton bundle. The total number of twists of both of the yarns is 90 T / m, and the ultrafine fibers are obtained by melting both PA6 slices and PET slices and then spinning them together, and the ultrafine fibers are obtained at the top of the pile. It slides down to form a low pile in the inner layer, and the cotton fibers at the top of the pile are exposed to form a high pile in the outer layer.

Example 3
It is a pile fabric, and piles are woven on both sides of the pile fabric. A 75D / 36f ultrafine fiber filament yarn is wound around a 12s cotton bundle to form a yarn . Here, the total number of twists of both is 120 T / m, and the ultrafine fibers are spun together after melting the PA6 slice and the PET slice . The pile is woven from the yarns produced in this way , the warp yarn is a 300D DTY terylene nylon composite low elasticity yarn, and the warp yarn is a 21S cotton yarn. The ultrafine fibers slide downward at the top of the pile to form a low pile in the inner layer, and the cotton fibers at the top of the pile are exposed to form a high pile in the outer layer.

Example 4
1. 1. Spinning
75D / 36f ultrafine fiber filament yarn is wound around a 16s cotton bundle to form a yarn . The total number of twists of both is 88 T / m, the twist direction is S twist, and the ultrafine fibers are obtained by melting PA6 slices and PET slices and then spinning them together.

2. 2. Fabric weaving
The yarn produced in 1 is used as a pile yarn, 150D DTY terylene nylon composite low elasticity yarn is used as a warp, and 21S cotton yarn is used as a weft. After warping, weave on a single-sided pile fabric loom using a rapier loom.

3. 3. Post-treatment (1) Fibrilization In an alkaline solution with a concentration of 4 g / L, the temperature is raised to 95 ° C. and the temperature is kept for 60 minutes.
(2) Washing In warm water at 37 ° C., wash with water and soak for 20 minutes, and add acetic acid until PH = 7 to neutralize.
(3) Staining Staining is performed using the curve heating method, the starting temperature is 30 ° C., the temperature is raised to 125 ° C. at a rate of 2 ° C./min, the temperature is kept for 35 minutes, and then the rate is 2 ° C./min. The temperature is lowered to 60 ° C.
(4) Reduction washing Add 1.2 g / L of sodium dithionite and 0.6 g / L of anhydrous sodium carbonate to the bath solution, and keep the temperature at 60 ° C. for 20 minutes.
(5) Wash with water Keep warm at 40 ° C for 20 minutes.
(6) Post-treatment Add 1.5% of hydrophilic silicone oil to the treatment liquid and keep it warm at 40 ° C for 20 minutes.
(7) The standard roller temperature is 165 ° C, and the lathe speed is 28 m / min. Model number: STB501.

After the post-treatment, the ultrafine fibers contract at the top of the pile and slide downward to form an inner layer pile, and the pile type is mainly three types shown in FIG.

Example 5
1. 1. Spinning
A 90D ultrafine fiber filament yarn is wound around a 20s cotton bundle to form a yarn . The total number of twists of both is 95 T / m, the twist direction is S twist, and the ultrafine fibers are obtained by melting PA6 slices and PET slices and then spinning them together.

2. 2. Fabric weaving
The yarn produced in 1 is used as a pile yarn, a 300D DTY terylene nylon composite low elasticity yarn is used as a warp, and a 21S cotton yarn is used as a warp. After warping, weave on a double-sided pile fabric loom using a rapier loom.

3. 3. Post-treatment (1) Fibrilization In an alkaline solution with a concentration of 5 g / L, the temperature is raised to 100 ° C. and the temperature is kept for 65 minutes.
(2) Washing In warm water at 36 ° C., wash with water and soak for 25 minutes, and add acetic acid so that PH = 7 to neutralize.
(3) Dyeing Staining is performed using the curve temperature raising method, the starting temperature is 29 ° C., the temperature is raised to 130 ° C. at a rate of 2 ° C./min, the temperature is kept for 30 minutes, and then the rate is 2 ° C./min. The temperature was lowered to 65 ° C., and the dyeing aid was a purified dyeing degreasing agent HS-1 1.5 g / L manufactured by Wuxi Kaikai Biochemical Co., Ltd., and a KH2510 leveling dye manufactured by Masatoshi Qingdao. 6 g / L is used, and the yellow-brown WXF disperse dye produced by Zhejiang Wuxi Dyeing Plant is used as the dye.
(4) Reduction washing Add 1.0 g / L of sodium dithionite and 0.7 g / L of anhydrous sodium carbonate to the bath solution, and keep the temperature at 65 ° C. for 25 minutes.
(5) Washing with water A non-foaming soaping detergent HS-266 is added as a cleaning agent, the amount added is 2 wt%, and the temperature is kept at 42 ° C. for 15 minutes.
(6) Post-treatment A 6843 hydrophilic silicone oil produced by Suzhou Unkatsu Kako is added to the treatment liquid, the content in the treatment liquid is 2.0 wt%, and the temperature is kept at 40 ° C. for 20 minutes.
(7) The temperature of the standard roller is 170 ° C, and the lathe speed is 28 m / min. Model number: STB501.

After the post-treatment, the ultrafine fibers contract at the top of the pile and slide downward to form an inner layer pile, and the types of piles are mainly three types shown in FIG.

Comparative Example 1
It is a non-plying pile fabric, and piles are woven on both sides of the untwisted yarn pile fabric, and the pile is woven by an ordinary untwisted yarn cotton bundle.

The pile fabric produced by the present invention and the ordinary untwisted yarn pile fabric of Comparative Example 1 are measured in terms of fluff removal rate, hygroscopicity, quick-drying property and water absorption. The results are shown in Table 1.
In Table 1, "the non-twisted yarn towel of the present invention" means the piled towel of the present invention obtained by the method described above.

As can be seen from the above measurement results, the towel cloth produced by the present invention has the characteristics of being soft and bulky, and also has water absorption, hygroscopicity, quick-drying property and skin affinity. Also effectively improved and reduced the fluffing rate.

1. 1. In the pile fabric of the present invention, a pile is woven on at least one surface, and the pile is woven by a thread in which ultrafine fibers are wound around the outside of natural fibers, and the ultrafine fibers are made of the pile. It slides down at the top to form a low pile in the inner layer, and the natural fibers at the top of the pile are exposed to form a high pile in the outer layer. Since a thread in which ultrafine fibers are wound around the outside of natural fibers is used as a pile, after washing, dyeing, and shaping the threads, the shrinkage ratios of the ultrafine fibers and the natural fibers are different, so that the ultrafine natural fibers are piled. It slides down at the top to form a low pile, and it is natural fibers such as cotton, bamboo fibers or raw yarn that come into direct contact with the skin. The formed low-pile ultrafine fibers exhibit excellent water absorption performance and increase the water absorption of the entire fabric. Further, since the number of twists of the cotton and the ultrafine fibers at the lower part still remains in the pile, the fluffing rate of the above yarn was effectively reduced. Therefore, the pile fabric of the present invention retains the soft and bulky characteristics of the non-twisted yarn fabric, effectively improves the water absorption and skin affinity of the fabric, and reduces the fluffing rate. Moreover, the two-layer pile increased the pile bloating feeling of the towel cloth. Therefore, when it comes in contact with the skin of the human body, it is not only fluffy and comfortable, but also has strong water absorption and can be used comfortably. Has upper availability.

2. 2. The pile fabric produced by the present invention does not use water-soluble yarn, so it does not pollute the environment, the manufacturing process is simple and it is not wasted, so it has very good industrial applicability. Has.

1, 5 High pile 2, 4 Low pile 3 Geostructure 6 Natural fiber 7 Ultrafine fiber

Claims (9)

A pile is woven on at least one surface, the pile is made by weaving a yarn in which ultrafine fibers are wound around the outside of natural fibers, and the ultrafine fibers slide downward at the top of the pile to form an inner layer. A pile fabric characterized by forming a low pile of the above and exposing the natural fibers at the top of the pile to form a high pile of the outer layer. The pile fabric according to claim 1, wherein the natural fiber contains cotton fiber, bamboo fiber or raw silk. The pile fabric according to claim 1, wherein the ultrafine fibers are composite fibers obtained by melting PA6 slices and PET slices and then spinning them together. The yarn in which the ultrafine fiber is wound around the outside of the natural fiber is formed by winding an ultrafine fiber filament yarn of 50 to 300D around a cotton bundle of 10 to 30S, and the total twist number of both is 78 to 150 T / m. The pile fabric according to claim 1, characterized in that. The yarn in which the ultrafine fiber is wound around the outside of the natural fiber is formed by winding a 75D / 36f ultrafine fiber filament yarn around a cotton bundle of 16s, and is characterized in that the total twist number of both is 90 T / m. The pile fabric according to claim 4. The pile fabric according to claim 1, wherein the single yarn line density of the ultrafine fibers is ≤ 0.55 dtex. The pile fabric according to claim 1, wherein the bottom warp yarn of the pile fabric is a natural fiber, a blended yarn, a chemical fiber or a composite fiber. (1) A spinning process in which ultrafine fibers are wound around natural fibers and spun together to bring the total number of twists to 78 to 150 T / m.
(2) Weaving of a fabric to be woven into a single-sided or double-sided pile fabric using the yarn obtained in the spinning step as a pile yarn, a composite low-elasticity yarn of polyethylene terephthalate fiber and nylon as a warp, and a cotton yarn as a weft. Process and
(3) A post-treatment step of obtaining the pile fabric by performing post-treatment including unwinding, fibrillation, washing and fixed form on the dough raw machine.
The method for producing a pile fabric according to any one of claims 1 to 7, further comprising. The post-processing step
(1) A fibrillation step in which the temperature is raised to 95 to 105 ° C. and kept warm for 60 to 80 minutes in an alkaline solution having a concentration of 4 to 6 g / L.
(2) A washing step of washing with warm water at 35 to 38 ° C. for 20 to 30 minutes, immersing the water in water, and adding acetic acid to neutralize the pH so that the pH becomes 7.
(3) The starting temperature is 28 to 32 ° C., the temperature is raised to 120 to 130 ° C. at a rate of 2 ° C./min, kept warm for 30 to 40 minutes, and then lowered to 55 to 65 ° C. at a rate of 2 ° C./min. The dyeing process of dyeing using the curve temperature raising method and
(4) Reduction in which 1.0 to 1.5 g / L of sodium dithionite and 0.5 to 0.8 g / L of anhydrous sodium carbonate are added to the bath solution and the mixture is kept warm at 60 to 65 ° C. for 20 to 30 minutes. Cleaning process and
(5) A washing step of keeping warm at 40 to 42 ° C. for 15 to 20 minutes, and
(6) A post-treatment step in which 1.0 to 2.0% of hydrophilic silicone oil is added to the treatment liquid and the temperature is kept at 40 to 42 ° C. for 20 to 25 minutes.
(7) A standardizing process in which the temperature of the standard roller is 160 to 170 ° C. and the lathe speed is 26 to 28 m / min.
The method for producing a pile fabric according to claim 8, wherein the method comprises.

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