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A kind of polyester low elastic yarn and preparation method thereof

A technology of polyester high elastic yarn and polyester, which is applied in rayon manufacturing, filament/thread forming, conjugated synthetic polymer rayon, etc. It can solve the problems of crimping, low breaking strength and high shrinkage, etc. Achieve the effects of reduced shrinkage, high breaking strength, and large curl

Active Publication Date: 2022-07-12
苏州半坡人新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in order to solve the deficiencies such as high shrinkage rate, low breaking strength and difficulty in taking into account the large degree of crimp and small shrinkage rate of the polyester low elastic yarn prepared by the prior art, thereby providing a low shrinkage rate, crimp, etc. High-strength, high-strength polyester low-elasticity yarn and preparation method thereof

Method used

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  • A kind of polyester low elastic yarn and preparation method thereof
  • A kind of polyester low elastic yarn and preparation method thereof
  • A kind of polyester low elastic yarn and preparation method thereof

Examples

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preparation example Construction

[0023] A preparation method of polyester elastic yarn, comprising the following steps:

[0024] The polyester raw material is added to the mixer for mixing, and after mixing evenly, it is added to the hot-melt spinning machine for spinning, and then cooled, oiled and wound to obtain polyester pre-oriented filaments, which are spun into polyester pre-oriented long yarns. Silk (POY), the POY specification is 289-291dtex / 48f, the breaking strength is 2.1-2.3cN / dtex, the breaking elongation is 130-140%, and the oil content is 0.3-0.4%;

[0025] The above polyester pre-oriented filaments are stretched on a texturing machine, and the polyester pre-oriented filaments are subjected to a roller, and fed into a first hot box with a temperature of 180-220 ° C for heating, and then the heated polyester pre- The oriented filaments are falsely twisted, and then the false twisted raw yarns are subjected to two rollers and fed into a second hot box with a temperature of 20-30°C, and then oile...

Embodiment 1-11

[0029] Table 1 Components and process conditions used in the preparation of polyester elastic yarn

[0030]

[0031]

[0032] Note: 8 parts of hindered phenolic antioxidant antioxidant β-(3,5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate were used in Examples 1-5.

[0033] Example of effect

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Abstract

The present application relates to a polyester low elastic yarn and a preparation method thereof. The preparation method includes the following steps: spinning a polyester raw material into a polyester pre-oriented filament; 5% polyester high elastic yarn; the polyester high elastic yarn is heated for a period of time under the condition of 100 ℃ ~ 160 ° C, and then cooled to obtain the polyester low elastic yarn. The preparation process of the polyester low elastic yarn is simple, but the Polyester low elastic yarn has low shrinkage, high crimp and high breaking strength.

Description

technical field [0001] The application belongs to the technical field of fiber preparation, and in particular relates to a polyester low elastic yarn and a preparation method thereof. Background technique [0002] Polyester low elastic yarn (Draw texturing yarn, referred to as DTY) is a kind of textured yarn type of polyester chemical fiber. It is processed by false twisting and has the characteristics of short process, high efficiency and good quality. In addition to general polyester, it has excellent heat-setting properties, good resilience, heat resistance, light resistance, strong corrosion resistance, easy washing and quick drying, etc. In addition to its characteristics, it also has the characteristics of high bulkiness, good heat insulation, comfortable hand feeling and soft luster. It is an excellent silk for fabric fabrics. [0003] However, the polyester low-elasticity yarn prepared by the current method has the characteristics of high elastic modulus and good re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D02G1/02D02J13/00D01D5/34D01F8/14D01F8/12D01F8/10D01F8/04D01F1/10
CPCD02G1/0266D02J13/00D01D5/34D01F8/14D01F8/12D01F8/10D01F8/04D01F1/10D10B2401/061
Inventor 包丽萍
Owner 苏州半坡人新材料有限公司
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