JPS58149368A - Rasing of long fiber fabric - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to a raising method. Conventional.

It is well known that suede-like fabrics and various sheets can be obtained by raising long fiber fabrics of synthetic fibers such as polyester and nylon and exposing them to the fluffy surface of the fabric. Emery raising and needle cloth raising are generally used as methods for making fabric fluffy. In particular, needle cloth raising can produce many kinds of fluff and is used in many fields, but the disadvantage is that the fluff obtained by needle cloth raising is long. There is. In order to eliminate this drawback, there are measures such as adjusting the tension when raising the cloth, but there are limits to this. In addition, before raising, the fabric is contracted by relaxing, etc., and the fabric structure is adjusted to 4! It is possible to obtain short hair by making it difficult to pull out the fibers by using F, but since the contraction rate is not sufficient with ordinary glue hooks etc., it is difficult to make the tissue dense enough to obtain short hair by raising. Generally, short hair is obtained by cutting the fluff, that is, by shearing the hair to make the hair short, but this method has disadvantages such as increasing the number of steps, which is not desirable in terms of quality control, and causes an increase in costs. .

The present invention was made in view of the current situation.

The purpose is to obtain a raised fabric with short fluff on the surface using only a needle cloth type raising machine that performs shearing.
According to the present invention, it is possible to obtain not only short fluff but also a raised fabric with a high degree of fluff and a sense of volume.

In order to achieve the above object, the present invention has the following configuration.

That is, the present invention is used for raising a fabric having a double-sided texture made of long WaS using a cloth-type raising machine.

This is a method for raising a long IA fiber fabric, which is characterized in that the back side of the fabric is raised until the fabric shrinks significantly in the width direction W-5 to 4o, and then the front side of the fabric is raised.

Hereinafter, nine aspects of the present invention will be described in detail.

In the present invention, a woven fabric having a double-sided structure having a length of a1M is used. Double-sided weave is a woven fabric that is made simultaneously by stacking two completely single-layered fabrics one above the other, using the same or different types of warp or weft on the front and back sides.The double-layered weave prevents strength loss and prevents the tsuba from decreasing. Volume A g with an outstanding sense of unity due to the brushed surface.

It has a texture, and the fluff density is increased by the cloth-filled cloth. There are various types of textiles such as plain weave, twill weave, and satin weave, and the present invention can be applied to any of them, but it is preferable to have a structure in which the weft is raised in at least two places relative to the warp, such as twill weave or satin weave. .

In the present invention, first, the back side of the fabric is raised using a needle cloth type raising machine. A needle cloth type napping machine is a napping machine that has a large number of clothing rollers wrapped around the base fabric and a large number of needles planted on it. Low pv (with needles pointing in the same direction)
pi 1va-2) and low fv (counter pi k
1:1-9-) There are two types of needle cloth raising machines: a double cloth raising machine with two types of clothing row ν, and a single cloth raising machine with only a pie 1%10-two or a counter pie Jiro two.
Either can be used in the method of the present invention. In addition, the cloth type brushed III #c is a flat V transmission type and a mapesito transmission type.

There are various types such as gear transmission type, but any type may be used in the present invention, and the appropriate C1l may be selected depending on the type of fabric to be raised and the use and performance of the haired product to be obtained.

In the method of the present invention, the cloth is first raised on the back side of the fabric as described above, thereby drawing out the weft yarns of the fabric and causing the fabric to shrink in the width direction. As the back side shrinks, the fabric structure becomes tighter on the back side, making it difficult to pull out the fuzz. The degree of shrinkage in the width direction from 1 to 4 on the back side varies depending on the fabric structure, the length and density of the desired surface fuzz, but 5 to 4
It should be in the range of 0g6. If the shrinkage in the width direction is less than 5%, the fluff on the surface during the next step of raising the surface will be too long and the effect of the present invention cannot be obtained, and if the shrinkage in the width direction is
If it exceeds 40%, the structure of the fabric becomes too dense, making it difficult to raise the surface, or causing wrinkles, which may result in the surface becoming dirty. The number of times the back side of the fabric is raised can be arbitrarily determined depending on the texture of the fabric, the desired length and density of the back side fluff, etc. After the back side of the fabric is raised, the front side of the fabric is raised. The cloth-type napping machine used at this time may be the same as or different from the cloth-type napping machine used for back raising, and there is no particular problem. The number of naps per surface to be selected may be determined by considering the length, density, texture, etc. of the desired fluff. The present invention has the above configuration, and according to the present invention, a raised fabric with short fluff can be obtained without shearing.

Further, according to the present invention, it is also possible to simultaneously obtain a raised fabric with a high fluff density and a voluminous feel.The method of the present invention will now be explained with reference to Examples, but the present invention is not limited thereto.

Example 1 A double weft 5-ply satin fabric was woven using Melieste V long-edge fiber processed yarn 75I)/36F as the warp and Polyester V long-edge embroidered thread 75D/72F as the weft. Kakuntapai A/U-fu 12 wood, Bai V on the back side of the fabric
Hydraulic double cloth raising @C with 12 needle cloth rollers was used to raise 7 cloths and shrink by 430% in the width direction. After this, the surface of the fabric was raised six times.

As a result, as shown in Table 1, the surface had very short fuzz. In addition, the surface was very clean, the fuzz density was high, and the volume was sufficient. Further, for comparison with the method of the present invention, comparative samples according to Comparative Examples 1 to 3Ic described below were prepared and compared with the method of the present invention. The results are also shown in Table 1.

Table 1 Comparative Example 1 The back side of the same fabric as in Example 1 was not raised, and the front surface of the fabric was raised six times using the same raising machine as in Example 1 under the same conditions as the surface raising conditions in Example 1. . As a result, as shown in Table 1, the surface had long fuzz.

Comparative Example 2 The back side of the same fabric as in Example 1 was treated with the same napping machine as in Example 1.
After being raised and shrinking by 3% in the width direction.

The surface of the fabric was raised six times in the same manner as the surface raising conditions in Example 1. As a result, as shown in Table 1, the surface had long fuzz.

Comparative Example 3 The back side of the same fabric as in Example 1 was treated with the same napping machine as in Example 1.
After raising the fabric 5 times and causing CSO* shrinkage in the width direction, the surface of the fabric was raised 6 times in the same manner as the surface raising conditions in Example 1.

As a result, as shown in Table 1, it had a short fluffy surface, but wrinkles formed and it became very dirty.

Patent applicant: Unitika Co., Ltd.

Claims (1)

[Claims] (1) When raising a woven fabric having a double-sided structure consisting of long mats with a cloth-type raising S, the woven material has an IC5 in the width direction.
A method for raising a long-fiber woven fabric, which comprises raising the back side of the woven fabric until it shrinks by 4096 degrees, and then raising the front side of the woven fabric after curling.