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A kind of super high-strength yarn and its spinning process

A high-strength yarn and ultra-high technology, which is applied in the field of ultra-high-strength yarn and its spinning technology, can solve the problems of difficult process, difficult to crimp, and difficult to form tops, etc., to achieve cheap prices, reduce production costs, and reduce raw material costs. Effect

Active Publication Date: 2022-03-08
CHINA BLUESTAR CHENGRAND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the para-aramid copolymer fibers and poly-p-phenylene benzobisoxazole fibers have the above advantages, they are difficult to crimp due to their high rigidity, especially the para-aramid copolymer fibers are more rigid and difficult to crimp , if the existing para-aramid fiber spinning process is used, if the fiber is not crimped and the fiber is spun directly according to the above spinning process, it will be difficult to form tops on the draw frame, resulting in difficulties in subsequent processes

Method used

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  • A kind of super high-strength yarn and its spinning process

Examples

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Comparison scheme
Effect test

Embodiment 1

[0030] In this embodiment, the super high-strength yarn of 100kg is taken as an example

[0031] A kind of ultra-high-strength yarn, wherein the yarn is composed of 2 twisted threads, wherein the twisted threads are composed of the first short fiber, the second short fiber and the third short fiber, the first short fiber, the second short fiber , The weight of the 3rd short fiber is respectively 40kg, 30kg, 30kg; Described the first short fiber is to be made by the aramid fiber II long filament that breaking strength is 20g / d, and described second short fiber is to be that breaking strength is The third short fiber is made of PBO filament with a breaking strength of 32 g / d.

Embodiment 2

[0033] In this embodiment, the super high-strength yarn of 100kg is taken as an example

[0034] A kind of ultra-high-strength yarn, wherein the yarn is composed of 2 twisted threads, wherein the twisted threads are composed of the first short fiber, the second short fiber and the third short fiber, the first short fiber, the second short fiber , The weight of the third short fiber is respectively 35kg, 31kg, 34 kg; the first short fiber is made of aramid II filament with a breaking strength of 20g / d, and the second uncrimped short fiber is made of broken The third short fiber is made of PBO filament with a breaking strength of 32 g / d.

Embodiment 3

[0036] The present embodiment uses the super high-strength yarn of 150kg amount

[0037]A kind of ultra-high-strength yarn, wherein the yarn is made up of 2 twisted threads, wherein the twisted thread is made up of the first short fiber, the second short fiber and the third short fiber, the first short fiber, the second short fiber , The weight of the 3rd short fiber is respectively 40kg, 50kg, 60kg; Described the first short fiber is to be made by the aramid fiber II long filament that breaking strength is 20g / d, and the described second uncrimped short fiber is made by breaking strength The third short fiber is made of PBO filament with a breaking strength of 36 g / d.

[0038] In this embodiment, the lengths of the first short fiber, the second short fiber and the third short fiber are all 36 mm short fibers.

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Abstract

The invention provides a super high-strength yarn and its spinning process, the yarn includes at least one twisted thread, and the twisted thread is at least composed of a first short fiber, a second short fiber and a third short fiber, The weight ratio of the first short fiber, the second short fiber and the third short fiber is 30-70:30-100:30-100; the first short fiber is made of aramid fiber II with a breaking strength greater than 15g / d The second short fiber is made of aramid III filament with a breaking strength greater than 27 g / d, and the third short fiber is made of PBO filament with a breaking strength greater than 30 g / d. The yarn is prepared by opening with wool, combing, three-way drawing, roving, and spun yarn. The characteristic of this preparation method is that it uses non-crimp staple fibers under the semi-worsted wool spinning process to overcome the shortcomings of high-strength fibers that are difficult to crimp and spin. The strength of the blended yarn obtained is higher than 86cN / tex.

Description

technical field [0001] The invention belongs to the technical field of textiles, and relates to a yarn production process, in particular to an ultra-high-strength yarn and a spinning process thereof. Background technique [0002] Para-aramid fiber is a high-tech material with excellent mechanical and thermal properties, and is widely used in the fields of national defense and military industry and optical cable rubber. The spun yarn prepared by using it can be used in the field of protection, such as cut-resistant and heat-resistant gloves, cut-resistant and temperature-resistant fabrics, and temperature-resistant high-strength sewing threads. [0003] CN103437013B patent provides a process for producing aramid yarn by using recycled aramid fiber 1414, which mainly controls the humidity of short fibers and the process parameters of card clothing. CN101918629B patent provides a method of blending aramid fiber or PBO fiber with high-shrinkage staple fiber to prepare high-shri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D02G3/04
CPCD02G3/047D10B2331/021D10B2331/14D10B2401/063
Inventor 李兰英何鑫业林志娇周万立
Owner CHINA BLUESTAR CHENGRAND CO LTD