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[What is the key to producing p]
Release date:[2021/11/1] Is reading[11]次
Polypropylene ultra-fine denier has many advantages. When the single filament fineness (dpf) of polypropylene is less than 2dtex, its performance has undergone a qualitative leap. It has a good hand feeling and greatly improved moisture conductivity, especially when the single filament fineness is less than 1dtex, the effect is even better. good. Modified polypropylene fiber slices made by adding a small amount of additives, supplemented by high-speed spinning technology (POY, FDY) texturing, stretching and blending and other new technologies to make fine denier polypropylene fiber of about 1dtex has become a new type of high-grade The comfort of taking fiber.
Polypropylene ultra-fine denier has soft texture, good cohesion, and soft luster. It is commonly used to make silk fabrics, velveteen fine-denier sewing threads, hosiery and filter materials, etc.; at the same time, polypropylene ultra-fine denier has excellent anti-bacterial properties. Bacterial isolation performance, can be used in the medical field. In addition, it can also be used in industries and biological fields with high added value. The polypropylene ultra-fine denier technology was developed in the 1980s, and the United States and Italy have successively developed special polypropylene resins.
Polypropylene ultra-fine denier is used in many applications. It can be used in clothing, especially in functional clothing, such as quick-drying clothes, thermal underwear, sportswear, etc. It can also be used in children's clothing and has a wide range of uses.
1. The formulation or selection of polypropylene ultra-fine denier production process parameters must be based on the characteristics of small micro-denier fiber monofilament size, large number of filaments, and large specific surface area, and a reasonable selection of processing speed, overfeeding, stretching ratio and compression Air pressure is the key to production.
 2. For the production of polypropylene ultra-fine denier yarns, soft polyurethane friction discs should be used, with slower processing speeds and lower stretching ratios, to control appropriate winding tension, and to improve the hardness and unwinding performance of the spindle.
Features of polypropylene ultra-fine denier :
1. Lighter fiber: its density is lower, its weight is 40% lighter than cotton, and its weight is 30% lighter than polyester. It is gentle and lubricating;
2. Good color fastness: Dyeing with the original solution, the color fastness is incomparable to the subsequent dyeing and finishing of other fibers.
3. Fibers that keep warmer than wool: The thermal conductivity is lower among the existing natural fibers and synthetic fibers, and the heat loss rate is lower.
Founded in 1990, Zhejiang Xuri Fiber Co., Ltd. is a high-tech enterprise integrating R&D, production and sales. The company adheres to the business philosophy of "Everything for customers, everything for customers", and the corporate spirit of "Continuous improvement, excellence and strength". Adhere to the business policy of "mutual benefit, mutual benefit, and mutual trust", and strive to create a harmonious, warm and energetic Dongsheng rising sun.
The predecessor of Xuri Fiber was a manufacturer of plastic woven bags. In 1994, the product was adjusted and innovated to produce polypropylene filament and polypropylene stretch yarn (DTY). In 1998, Ruian Xuri Fiber Co., Ltd. was established. Relying on years of experience and deep professional technology in the chemical fiber industry, Xuri Fiber has independently developed FDY polypropylene filament in response to the national energy saving and emission reduction in 2003. At the same time, it has introduced many foreign spinning technologies such as Germany and Japan. Step spinning technology has played a role in updating, enabling the company to make considerable progress in market competition.
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