polyester staple fiber is a hydrophobic synthetic fiber. The polyester molecular structure lacks reactive groups such as cellulose or protein fiber that can bind to dyes. The polyester molecules are arranged closely, and there are only small voids in the fiber. When the temperature is low, the thermal motion of the molecule changes its position to a small extent. Under the humid condition of the polyester thermal fuse, the polyester fiber does not enlarge the void by violent swelling like the cotton fiber, and the dye molecules are difficult to penetrate into the fiber. internal. Therefore, increasing the degree of plasticization of the fiber will contribute to the progress of dyeing.

The production of polyester staple fiber is mainly divided into two major steps of polycondensation and melt spinning. polyester staple fiber is produced from petroleum, coal or natural gas, such as toluene, xylene and ethylene. Chemical processing can be used to obtain terephthalic acid or dimethyl terephthalate and ethylene glycol. A synthetic fiber polymer can be obtained by a process such as polycondensation of a substance. Then, the melted yarn can be obtained by melt spinning, and the yarn is subjected to steps of bundling, stretching, crimping, heat setting, cutting and the like to obtain a finished product.

polyester staple fiber is divided into physical properties: high strength and low elongation type, medium strength medium extension type, low strength medium extension type, high modulus type, high strength and high modulus type. polyester staple fiber fabric is light in weight, good in warmth, delicate in hand, comfortable to use, acid and alkali resistant. At the same time, it has the ability to dissolve quickly, good filling and sound insulation.

polyester staple fiber has many advantages, which can greatly improve the advantages of fabrics. For example, polyester can improve high temperature stability, improve low temperature crack resistance and improve resistance to external environmental effects. Good elasticity and bulkiness are suitable for all kinds of clothing. It can also be applied to the industrial, pharmaceutical and paper industries, and it can be said to be widely used.

Hai'an County Qinfeng Chemical Fiber Co., Ltd. relies on the professional power of single stream, the front-end quality inspection system and perfect quality inspection system ranks among the high-quality enterprise queues in the industry, specializing in the production of short pp, polypropylene staple fiber, polyester staple fiber and Functional polypropylene staple fiber, etc.

For more product information, please contact: Mr. Qian 13962787918, 13813743991 Website: http://www.glory-fiber.com/