Hyperfine polyester drawn yarn and production technique thereof

Abstract

The invention relates to a hyperfine polyester drawn yarn produced by continuous polyesters, and is characterized in that the standard is 20D / 12F; the hyperfine polyester drawn yarn is produced by using s coiler with 18 head spinning positions and side-blown cooling technology; the product performance is excellent; the production processing technique comprises the following steps: processing performing esterification of the phthalic acid and the glycol with raw material; then preparing the polyester melt by prepolycondensation and final polycondensation to directly spin; and using spinning-drawing one-step method technique route. The technique is reasonable, and the fiber has excellent spinnability, excellent physical property index, less broken filament, high switching success rate, more than 99% of dying uniformity rate and more than 98% of full coiling rate; and the yarn is smooth in weaving, light and soft in fabric quality, excellent in fabric style, and satisfied with the weaving requirement of shell and lining fabrics of superior quality clothing, thereby improving the level and the additional value of the product.

Description

technical field [0001] The invention relates to a synthetic fiber and its production process, in particular to a 20D / 12F superfine polyester full-drawn yarn and its production process. Background technique [0002] As one of the three main fibers in synthetic fibers, polyester is widely used in clothing fabrics and other non-clothing fields because of its excellent physical and chemical properties. Since its inception, polyester products have also been used by downstream users as the main textile raw material for weaving various textiles due to their good drapability, high strength, crispness, and resistance to tending. With the globalization of the economy and the internationalization of the market, people's requirements for clothing are getting higher and higher. Not only must they be comfortable, but they must also be functional. There is a constant need to improve performance to meet weaving requirements. Due to its good characteristics such as high coverage, soft hand...

AI Technical Summary

Problems solved by technology

[0003] It is difficult to develop microfiber products. The products produced are poor in evenness, dyeing performance and other physical properties. The full roll rate and AA grade rate are low, which affects the weaving of the product and cannot improve the grade and added value of the product.

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