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Method for preparing hollow textile from core spun yarn with microporous alkali-soluble polyester filament covered with short fiber

An alkali-soluble polyester, staple fiber technology, applied in the direction of single-component polyester rayon, microsphere preparation, textile and papermaking, etc., can solve the problem of incomplete dissolution, not widely used, PVA filament fiber It takes a long time to dissolve and other problems, so as to achieve the effect of keeping warm and quick-drying, complete dissolution and fast dissolution

Active Publication Date: 2017-12-22
余燕平 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Japan's Kuraray Company once used core-spun yarns wrapped with short fibers and water-soluble PVA filaments to make hollow fabrics. Although the prepared fabrics can obtain a good and comfortable feel, the PVA filament fibers are physically unstable in hot water. It takes a long time to dissolve and the dissolution is not complete, so it has not been widely used

Method used

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  • Method for preparing hollow textile from core spun yarn with microporous alkali-soluble polyester filament covered with short fiber
  • Method for preparing hollow textile from core spun yarn with microporous alkali-soluble polyester filament covered with short fiber
  • Method for preparing hollow textile from core spun yarn with microporous alkali-soluble polyester filament covered with short fiber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0106] Embodiment 1, the present invention will be described by taking the microporous alkali-soluble FDY filament as an example, specifically:

[0107] 1. Preparation of foamed microcapsules:

[0108] 11. Place dimethyl terephthalate, ethylene glycol, dimethyl isophthalate-5-sodium sulfonate, polyethylene glycol, and tetrabutyl titanate in a slurry pot and stir to mix evenly. Obtain the microcapsule wall material raw materials; wherein, in the microcapsule wall material raw materials, dimethyl terephthalate, ethylene glycol, dimethyl isophthalate-5-sodium sulfonate, polyethylene glycol, tetrabutyl titanate The weight parts of ester are successively:

[0109] Dimethyl terephthalate 70%

[0110] Ethylene glycol 15%

[0111] Sodium Dimethyl Isophthalate-5-sulfonate 10%

[0112] Polyethylene glycol 4.3%

[0113] Tetrabutyl titanate 0.7%;

[0114] 12. Transfer the microcapsule wall material raw materials stirred and mixed in step 11 into an esterification pot for esterificat...

Embodiment 2

[0137] Embodiment 2. Prepare microporous alkali-soluble filaments with a microporous structure according to the process steps and process parameters in Example 1. The parameters of the microporous alkali-soluble filaments are: 30D / 36F. Porous alkali-soluble long filament peripheral coating cotton fiber, to obtain the core-spun yarn of cotton fiber bag microporous alkali-soluble long filament, the specification of core-spun yarn is: 40s / 2, and the twist coefficient of core-spun yarn is 320; The core-spun yarn is dissolved in a NaOH solution with a concentration of 3 g / L for 60 minutes, and the dissolution temperature is 105 degrees. After dissolving, the cotton fiber hollow yarn can be obtained; wherein, the core-spun yarn of cotton fiber wrapped with microporous alkali-soluble filaments The comparison before and after dissolution is shown in the table below:

[0138]

[0139] It should be further pointed out that the hollow yarn in Example 2 can be directly used as yarn for...

Embodiment 3

[0140] Example 3, according to the process steps and process parameters of Example 1, microporous alkali-soluble filaments with a microporous structure were prepared. The parameters of the microporous alkali-soluble filaments were: 50D / 36F, and were spun into microporous Cotton fibers are covered with porous alkali-soluble filaments to obtain core-spun yarns covered with microporous alkali-soluble filaments. The specifications of the core-spun yarns are: 32s, and the twist coefficient of the core-spun yarns is 320; The core-spun yarn is woven into a single-sided plain weave fabric, and finally the single-sided plain weave fabric is placed in a NaOH solution with a concentration of 2 grams per liter and dissolved for 40 minutes at a temperature of 105 degrees. After dissolving, it is dyed and finished. Hollow fabrics can be obtained; Among them, the comparison of single-sided plain fabrics before and after dissolution is as follows:

[0141]

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Abstract

The invention discloses a method for preparing hollow textile from core spun yarn with a microporous alkali-soluble polyester filament covered with short fiber. The method comprises a preparation step of foaming microcapsules, a preparation step of alkali dissolution slices containing the foaming microcapsules, a melt foaming and spinning forming step and a preparation step of the hollow textile. According to the method for preparing the hollow textile from the core spun yarn with the microporous alkali-soluble polyester filament covered with the short fiber, the polyester filament with a microporous structure is adopted, hollow yarn or hallow fabric is obtained in an alkaline dissolution manner, the polyester filament with the microporous structure can effectively increase the contact area of an alkaline solution, the dissolution speed is high, the dissolution time is short, dissolution is thorough, and the hollow textile prepared from the hollow yarn or the hollow fabric obtained through dissolution has good and comfortable hand feeling as well as good fluffy, soft, thermal-insulating and quick-drying characteristics.

Description

technical field [0001] The invention relates to the technical field of textile preparation, in particular to a method for preparing hollow textiles from core-spun yarns wrapped with short fibers and microporous alkali-soluble polyester filaments. Background technique [0002] Textiles are required to have good comfort and functionality; in terms of comfort, it involves the comfort of hand feeling (such as fluffy, soft) and the comfort of heat and moisture transfer (such as moisture absorption, perspiration, warmth, etc.); among them, for obtaining fluffy The commonly used process uses bulky yarn or wool or machine impact (such as high-speed airflow impact to make the textile fluffy, etc.), and the machine impact method will damage the appearance and mechanical properties of the textile. To obtain softness, the commonly used process is to use soft fibers (fine denier fibers) or chemical softening agents, and chemical additives have washing resistance problems; to obtain warmt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/92D01F1/10C08G63/688C08J9/14D02G3/36D02G3/04D02G3/22D03D15/06B01J13/02D03D15/68
CPCB01J13/02C08G63/6886C08J9/141D01F1/10D01F6/92D02G3/04D02G3/22D02G3/36C08J2203/14C08J2367/02D10B2331/04D03D15/68D03D15/00D03D15/283D03D15/217D03D15/30D03D15/573D03D15/41D01F1/08C08G63/672C08G63/183C08G63/85C08G63/88C08G2101/00D02G3/406D06C19/00C08G63/19D01F8/14D01H1/02D01D1/04D01F6/62
Inventor 余燕平刘卫国余尔琪刘俊和
Owner 余燕平
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