PET/PA6 (Polyethylene Terephthalate/Poly Amide 6) double-component hollow orange peel fiber and production process thereof

Abstract

The invention discloses a PET / PA6 (Polyethylene Terephthalate / Poly Amide 6) double-component hollow orange peel fiber, comprising a PET single-fiber fiber and a PA6 single-fiber fiber, wherein the PET single-fiber fiber and the PA6 single-fiber fiber are mutually wound to form the orange peel fiber; a circular blank is formed at the center of the orange peel fiber; the single-fiber finenesses of the PET single-fiber fiber and the PA6 single-fiber fiber are 0.08-0.13 dtex; and the whole fineness of the orange peel fiber is 0.18-0.28 dtex. The invention further discloses a production process of the PET / PA6 double-component hollow orange peel fiber. A double-component spun-bond composite spinning technology is adopted and the PET single-fiber fiber and the PA6 single-fiber fiber are used as raw materials; a structural design of a multi-layer step spinning plate is adopted and a multi-channel low induced draft controllable uniform net forming technology and a fiber surface splitting and hydroentangle reinforcing integrated technology are adopted, so that the production cost is reduced, the process flow is shortened, the production speed and the formation rate are improved; and a product with small fiber diameter, high strength, good tear resistance and abrasion resistance, and difficulty of dropping chips in a use process is produced.

Description

【Technical field】 [0001] The invention relates to a superfine fiber and a production process thereof, in particular to a PET / PA6 double-component hollow orange segment fiber and a production process thereof. 【Background technique】 [0002] Fiber is the most basic raw material for nonwoven materials. With the continuous improvement of production technology and people's living standards, the consumer market has put forward higher demands on the performance of textiles. In order to meet these demands, the market has developed functional fibers, high Sensitive fibers, smart fibers, degradable fibers, bi-component fibers, etc. Among them, bi-component fibers have the best quality and the largest market for their products. In the current market, the processing methods for bi-component fibers mainly include electrospinning, melt-blowing and the combination of composite fiber / fiber opening. The electrospinning method can make the fiber reach the nanometer level, but the processing ...

AI Technical Summary

Problems solved by technology

The electrospinning method can make the fiber reach the nanometer level, but the processing equipment is small in scale, the efficiency is very low, the fiber strength is low, and the volatile solvent recovery is difficult during the processing process, which is easy to cause harm to the human body and the environment; the melt blown method has poor mechanical properties ; Although the combined method of composite fiber / fiber opening is widely used in the production of ultrafine fiber leather-based materials, it has a series of problems and challenges such as high production cost, high energy consumption, and easy environmental pollution.