TW201435169A - Manufacturing method of fabric product having pores - Google Patents

Abstract

A manufacturing method of fabric product having pores comprises step: a weaving step and a preprocessing step. The weaving step is to select warp yarns, weft yarns and a soluble yarn unit to interlace them so as to form a semi-finished product. The preprocessing step is to soak the semi-finished product into a solvent capable of dissolving the soluble yarn unit. Pores are formed on the semi-finished product after the soluble yarn unit is dissolved away. This invention reserves the forming location of the pores by utilizing the soluble yarn unit interlaced with the warp and weft yarns. Afterward the soluble yarn unit is dissolved by using the solvent. Not only the manufacturing method of fabric product having pores can be more convenient, but also the orderliness and uniformity of forming the pores can be enhanced.

Description

Method for manufacturing cloth with holes

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a manufacturing method, and more particularly to a method of manufacturing a fabric for fabricating a fabric and having a hole in the fabric.

Generally, the fabrics have different basic structures and properties because of different manufacturing methods. Among them, the woven fabrics are warp yarns arranged parallel to the edge of the fabric or at an angle to the edge of the fabric, and weft yarns arranged perpendicular to the fabric edge, according to the law. The entangled sheet-like yarn assembly is formed by the interlaced arrangement of warp and weft yarns and the squeezing contact of the buckling undulations to form a stable interlaced structure. The woven fabric can be expressed as the warp and weft interlacing floats and sinks. Different texture effects are produced, and the structure of the cloth which is usually formed by weaving has plain weave, twill, and forged. In addition, in order to make the fabric's organizational structure more abundant, some fabrics will be provided with holes to increase the variability of the fabric.

It is conventional to manufacture a fabric having a hole, usually in the process of weaving, by using a warp and weft yarn weaving density or a change in yarn tension to form a hole in the cloth. Although such a manufacturing method can form holes in the cloth, the holes formed by the difference in the weaving density or the difference in the yarn tension are not only complicated in processing control conditions, but also the tension of each yarn. Usually, there are differences. Therefore, the holes formed by the above-mentioned method are relatively irregular and the uniformity is also poor.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method for manufacturing a cloth having a hole with a simple process control and which can improve the uniformity and uniformity of the hole forming.

The manufacturing method of the present invention is used to manufacture a fabric having a plurality of holes, and comprises: a weaving step of: forming a semi-finished fabric by interlacing a plurality of warp yarns, a plurality of weft yarns, and a soluble yarn unit, wherein the soluble yarn unit And interlacing to form a plurality of intersecting regions; and a pre-processing step of dissolving the soluble yarn unit in the semi-finished fabric with a dissolving solution, and the intersecting regions of the semi-finished fabric corresponding to the soluble yarn-forming unit are respectively formed after dissolving a hole.

The beneficial effect of the invention is that the soluble yarn unit is used to fill the portion where the hole is reserved, and the soluble solvent unit is dissolved in the dissolved liquid to form the hole. The processing conditions are not easy to control, and the formed hole is also uniform. And has better uniformity.

1‧‧‧ cloth

10‧‧‧Semi-finished fabric

11‧‧‧Traditional direction

12‧‧‧ warp

13‧‧‧ Weft

14‧‧‧ holes

15‧‧‧soluble yarn unit

151‧‧‧soluble warp yarn

152‧‧‧soluble weft yarn

153‧‧‧Intersection area

21‧‧‧Weaving steps

22‧‧‧Pre-processing steps

23‧‧‧ Post-processing steps

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: FIG. 1 is a process flow diagram of a preferred embodiment of the method of fabricating the fabric of the present invention; 2 is a schematic view showing the manufacture of a cloth having a hole, which assists in explaining the preferred embodiment. The arrangement of several warp yarns, a plurality of weft yarns and a soluble yarn unit in the figure is merely a simple illustration, and the actual arrangement is More elaborate and more numerous yarns.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 and 2, a preferred embodiment of the manufacturing method of the present invention is used to manufacture a fabric 1 as shown in Figure 2, the fabric 1 comprising a plurality of warp yarns 12 arranged along a warping direction 11, A plurality of weft yarns 13 interlaced with the warp yarns 12, and a plurality of holes 14 between the adjacent warp yarns 12 and weft yarns 13 and uniformly aligned. The size and shape of the holes 14 are not particularly limited, that is, the holes 14 may be squares as disclosed in the embodiments, or may be rectangles having different length and width ratios.

The manufacturing method of the present embodiment is used to manufacture the aforementioned fabric 1 and includes: a weaving step 21, a pre-processing step 22, and a post-processing step 23. The weaving step 21 is used to form a semi-finished fabric 10 comprising, in addition to the warp yarns 12 and the weft yarns 13, a soluble dope between the warp yarns 12 and the weft yarns 13 Yarn unit 15. The soluble yarn unit 15 includes a plurality of soluble warp yarns 151 parallel to the warp yarns 12, a plurality of soluble weft yarns 152 parallel to the weft yarns 13, and a plurality of partially soluble warp yarns 151. And an intersection region 153 in which a portion of the soluble weft yarns 152 are intersected. Preferably, the soluble warp yarns 151 and the soluble yarns 152 are selected from yarns which can be made of a material which is dissolved by an alkali liquid such as sodium hydroxide (NaOH), such as benzene. The copolymer of diacid and ethylene glycol, the specific example is as follows:

Among them, p-TA is para-terephthalic acid, EG is ethylene glycol, and S-iPA is 5-sulfoisophthalic acid monosodium salt. 3,5-dicarboxybenzenesulfonic acid sodium salt), PEG is poly(ethylene glycol), n, m, o, p represent different or the same integer, and the S-iPA is about 6-8 mol%.

The weaving step 21 of the present embodiment includes a processing flow of warping, sizing, interlacing, etc., wherein the warping process integrates the warp yarns 12 and the soluble warp yarns 151 on a warping cylinder. At the same time, the soluble warp yarns 151 are doped and integrated between the warp yarns 12 as needed for the width of the holes 14. After warping, sizing processing is used to increase the strength of the warp yarns 12 and the soluble warp yarns 151, and finally the weft yarns 13 and the soluble yarns 152 are interwoven into the warp yarns 12 and The soluble warp yarns 151 are interposed.

In the interlacing process, the positions at which the soluble weft yarns 152 are disposed and the number of yarns are also determined according to the size of the holes 14 to be formed, and the interlacing manner between the weft yarns 13 and the soluble yarns 152. There is also no particular limitation, that is, in addition to the conventional shuttle to drive the weft yarns 13 and the soluble weft yarns 152 to be interlaced with the warp yarns 12 and the soluble warp yarns 151, Shuttle technology. Through the above-mentioned warping processing, sizing processing and interlacing processing, the semi-finished method described in this embodiment can be formed. Product cloth 10.

In the present embodiment, the pre-treatment step 22 mainly performs: desizing processing, pre-drying processing, predetermined type processing, and solvo processing, and if necessary, adding a deflagration between the desizing processing and the pre-drying processing. machining. In the desizing process, the slurry remaining on the semi-finished fabric 10 during sizing processing is mainly removed, and the desizing process generally adds an alkali solution such as sodium hydroxide to the desizing liquid, and a scouring emulsifier. Among them, a small amount of alkali solution can assist in dissolving the soluble yarn unit 15 in addition to the slurry adhering to the yarn. After the desizing process, the pre-baking process and the predetermined type of processing are performed, and the temperatures of the above-described drying process and the predetermined type of processing are related to the type of the cloth, and will not be described here. After the predetermined type of processing, the semi-finished fabric 10 is immersed in a solution to perform the sizing process.

In the preferred embodiment, the primary purpose of the solvogening process is to completely dissolve the soluble yarn unit 15 to form the holes 14. Preferably, a 1 to 3% aqueous solution of sodium hydroxide is used, and the dissolution temperature is controlled at 80 to 100 ° C, and the traveling speed of the semi-finished fabric 10 is preferably controlled at 40 to 50 m / min. If the untwisting process is required in this embodiment, an appropriate concentration of lye is usually added to assist in dissolving the soluble yarn unit 15.

Specifically, in the desizing processing, the anti-twisting processing, and the solving processing of the pre-processing step 22 of the present embodiment, although the alkali liquid which can dissolve the soluble yarn unit 15 is added, the main purpose of the desizing processing is In order to remove the slurry adhering to the semi-finished fabric 10, the lye concentration of the desalted liquid prepared, the controlled temperature, and the traveling speed of the semi-finished fabric 10 are The soluble yarn unit 15 may not be completely dissolved, and the processing conditions of the untwisting process are also the same.

In order to ensure that the soluble yarn unit 15 can be completely dissolved and the holes 14 are formed, the pretreatment step 22 of the present embodiment further adds the solvolysis process, which can provide complete dissolution of the soluble yarn unit 15. The environment is to ensure that the soluble yarn unit 15 can be completely removed, but the manufacturing method of the present invention can also fully utilize the desizing process or the untwisting process to completely dissolve the soluble yarn unit 15, so that it is processed before this embodiment. Step 22 is not necessary to have this sizing process.

The solvo processing disclosed in the preferred embodiment is located after the predetermined type of processing, but according to the main technical idea of the present invention, the solvo processing may be between the weaving step 21 and the post-processing step 23, The smelting process of the present embodiment is not limited to those disclosed in the examples. Moreover, the processing environment provided by the material varies depending on the material, and therefore is not limited to the concentration, temperature and processing speed disclosed in the examples.

In this embodiment, the post-processing step 23 includes: a dyeing process, a dyeing and drying process, and a finalizing process, wherein the dyeing process is to add an appropriate dye to the treatment tank, and an additive such as a chelating agent, etc., after dyeing. The cloth 1 having the holes 14 of the present embodiment can be formed by drying and sizing the semi-finished fabric 10. However, in the manufacture of the cloth 1 , the post-processing step 23 is not necessary to have the dyeing process and the dyeing and drying process, since the cloth 1 can also be used for the dyed warp yarn 12 and the weft yarn 13 during manufacture. To make, it is also possible to form a colorless cloth 1 and the like via bleaching.

As can be seen from the above description, the fabric 1 of the present invention is manufactured at the time of manufacture. First, the soluble yarn unit 15 which can be dissolved by the alkali solution is selected as a part of the raw material, and then the soluble yarns 152 and the soluble warp yarns 151 are woven into the warp yarns 12 according to the set position and width. In the semi-finished fabric 10 formed by the weft yarns 13, the solubilized yarn unit 15 is dissolved by the dissolving liquid in the pre-treatment step 22, whereby a very uniform hole 14 can be formed on the fabric 1. The foregoing manufacturing method is not only an unprecedented innovation, but also makes the control condition of the cloth 1 in the weaving step 21 simpler, and at the same time easily forms a very neat hole 14 in the cloth 1, so the cloth 1 of the present invention The manufacturing method is not only novel, practical, but also highly valuable for industrial use.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

21‧‧‧Weaving steps

22‧‧‧Pre-processing steps

23‧‧‧ Post-processing steps

Claims (9)

A manufacturing method of a fabric having a hole, comprising: a weaving step of: forming a semi-finished fabric by interlacing a plurality of warp yarns, a plurality of weft yarns and a soluble yarn unit, wherein the soluble yarn units are interwoven to form a plurality of intersecting regions; A pre-treatment step: dissolving the soluble yarn unit in the semi-finished fabric with a dissolving solution, and dissolving the intersecting regions of the semi-finished fabric corresponding to the soluble yarn-forming unit to form a hole respectively. A method of manufacturing a fabric having a hole according to claim 1, wherein the pre-processing step comprises a solvating process for dissolving the soluble yarn unit. The method of manufacturing a fabric having a hole according to claim 2, wherein the soluble yarn unit comprises a plurality of soluble warp yarns which are parallel and doped between the warp yarns, and a plurality of parallel and doped yarns. a soluble weft yarn between the weft yarns, the soluble warp yarns and the soluble yarns are made of a copolymer of phthalic acid and ethylene glycol, and the solution of the solvolysis solution For lye. The method for producing a fabric having a hole according to claim 3, wherein the solution is sodium hydroxide having a concentration of 1 to 3%, and the dissolution temperature is 80 to 100 °C. The method for producing a fabric having a hole according to claim 4, wherein the traveling speed of the semi-finished fabric at the time of the sizing processing is 40 to 50 m/min. A method of manufacturing a fabric having a hole according to claim 5, wherein The pretreatment process further includes a desizing process engaged with the weaving step, a prebaking process subsequent to the desizing process, and a predetermined type of processing between the prebaking process and the solvolysis process, The desizing process is followed by the addition of a lye. The manufacturing method of the fabric having a hole according to claim 3 or claim 6, wherein the weaving step comprises a warping process, a sizing process and an interlacing process, wherein the warping process The warp yam is blended in the warp yarns, and in the weaving process, the solubilized weft yarns are blended in the weft yarns. The method for manufacturing a cloth having a hole according to claim 7, further comprising a post-processing step of locating the cloth after the pre-processing step. The method of manufacturing a fabric having a hole according to claim 8, wherein the post-processing step comprises a finalizing process, a dyeing process between the pre-dispensing step and the finalizing process, and an Dyeing and drying processing between the dyeing process and the finalizing process of the finished product.