Method for producing terylene fibre with pearly lustre

Abstract

The invention relates to a method for preparing polyester fibers with pearly luster. The method comprises the following steps: (1) pearlescent pigment agglomerate and full-dull PET fiber forming resin slice are blended according to the weight ratio of 5-20 to 80-95; and after drying, the water content is less than 100PPM, and the slice is delivered to a feeding port of an extruder and enters an screw extruder for heat fusing and compression; (2) the temperature is controlled to between 290 and 305 DEG C, fusant extruded out by the rotary screw rod enters a metering pump through a distributing pipe and a static mixer, delivered to a spinning component, filtered by a sea sand layer and pressed into a spinning plate to form fusant current which is cooed to form in a spinning cabinet, and the surface of a filament bundle is covered by a spinning finish; and 3. the spinning speed pre-extension is between 2, 500 and 3, 500m/min, the winding carry rate is between 5 and 15 percent for wind-forming, and the full-dull pearlescent polyester fiber POY is obtained. The manufacturing process is easily realized, and is convenient to improve the pearlescent fiber spinning effect and simultaneously provides the fibers with light extinction performance, and the pearlescent pigment has excellent performance and little feed rate.

Description

technical field [0001] The invention belongs to the field of polyester fiber preparation, in particular to a method for preparing polyester fiber with pearl luster. Background technique [0002] Pearlescent pigment is a kind of translucent microflaky pigment that can produce pearlescent effect. Such pigments can be divided into two categories: natural and artificial. [0003] As early as the 1920s, this kind of pigments had been produced, and they were all made of fish scales at first. They were natural products, and the pearlescent pigments produced by this method were expensive. It is rarely used at present. In the early 1950s, it began to study and produce pearlescent pigments covered with iron oxide on mica sheets. Titanium dioxide-coated mica flakes are currently the most widely used pearlescent pigments. This pearlescent pigment is different from other general pigments and pigments. It produces color through the reflection and refraction of light. [0004] In 1978, ...

AI Technical Summary

Problems solved by technology

In recent years, breakthroughs have been made in the research on improving the stylization of PET fibers, but the common disadvantages of the above-mentioned traditional polyester yarns are: the fibers have no obvious luster change, and the fabric cannot produce a change in style, especially in the light. In a dark place, the fabric is dull and old