Polypropylene fiber is the trade name of polypropylene fiber, which is made from propylene as raw material by polymerization, melt spinning fiber. Polypropylene officially started industrial production in 1957, is a rising star in the synthetic fiber. As polypropylene has a simple production process, inexpensive products, high strength, the relative density of light advantages, so the rapid development of polypropylene. At present, polypropylene is the fourth largest variety of synthetic fibers. The company is located in:
Polypropylene production includes staple fibers, filaments and split-film fibers. Polypropylene fiber is the first film made of polypropylene, and then stretch the film, making it split into fibrillar network made of the formation. A large number of polypropylene used in the manufacture of industrial fabrics, non-woven fabrics. Such as carpet, industrial filter cloth, rope, fishing nets, building reinforcements, oil absorption carpet and decorative cloth. On the civilian side, PP can be made into all kinds of fabrics by pure spinning or blended with wool, cotton or viscose. In addition, polypropylene fiber membrane can be used as packaging materials. The company is located in:
The main physical and chemical properties of polypropylene
1. Polypropylene form the vertical straight smooth, circular cross-section. The company is located in:
2. The greatest advantage of density polypropylene is light texture, the density of only 0.91g / cm3 is the lightest chemical fiber varieties, so the same weight of polypropylene fibers can be obtained than other high coverage area. The company is located in:
3. Strong tensile polypropylene high strength, elongation, higher initial modulus, excellent elasticity. Therefore, good wear resistance of polypropylene. In addition, the wet strength of polypropylene is basically equal to dry, so it is ideal for making fishing nets, cables. The company is located in:
4. Hygroscopicity and dyeing properties of polypropylene hygroscopicity is very small, almost non-hygroscopic, atmospheric regain near zero. But it has a wicking effect, passing water vapor through the capillaries in the fabric, but does not itself have any absorption. Polypropylene dyeing is poor, incomplete chromatography, but the solution can be used to make up for lack of coloring. The company is located in:
5. Acid and alkali-resistant polypropylene has good chemical resistance, in addition to concentrated nitric acid, concentrated caustic soda, polypropylene acid and alkali resistance is good, so suitable for use as a filter material and packaging materials. The company is located in:
6. Light fastness Polypropylene poor light resistance, thermal stability is poor, easy to aging, impatient ironing. However, anti-aging agents can be added during spinning to improve their anti-aging properties. In addition, polypropylene electrical insulation is good, but easy to produce static electricity during processing.
Polyester filter cloth
(A) What is polyester? The company is located in:
Polyester is an important variety of synthetic fibers, is the name of polyester fiber in China. It is made of refined terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (EG) as the raw material by esterification or transesterification and polycondensation reaction made of fiber-reinforced polymer - - Polyethylene terephthalate (PET), spun and post-treated fibers.
(B) What are the properties of polyester?
1, high strength. Short fiber strength 2.6 ~ 5.7cN / dtex, high strength fiber 5.6 ~ 8.0cN / dtex. Because of its low hygroscopicity, its wet strength and dry strength are basically the same. High impact strength 4 times higher than nylon, viscose fiber 20 times higher. The company is located in:
2, good elasticity. Elastic close to the wool, when the elongation of 5% to 6%, almost completely restored. Wrinkle resistance than other fibers, the fabric does not wrinkle, good dimensional stability. Elastic modulus of 22 ~ 141cN / dtex, 2 to 3 times higher than nylon. The company is located in:
3, good heat resistance. The company is located in:
4, good water absorption. The company is located in:
5, good wear resistance. Second only to wear-resistant nylon wear the best, more than any other natural fibers and synthetic fibers are good. The company is located in:
6, good light resistance. Lightfastness second only to acrylic. 7, corrosion-resistant. It is resistant to bleaching agents, oxidizing agents, hydrocarbons, ketones, petroleum products and mineral acids. Resistance to dilute alkali, not afraid of mold, but the hot alkali can make it decompose. The company is located in:
8, poor dyeing.
(C) What are the major varieties of polyester varieties?
Major varieties of polyester staple fiber, drawn yarn, textured yarn, decorative filament, industrial filament and a variety of differential fiber.
(D) What are the varieties of polyester staple fiber?
1. According to the physical properties of distinction: high-strength low-stretch type, strong mid-stretch, low stretch mid-stretch, high modulus, high strength and high modulus
2. According to the requirements of the processing distinction: cotton type, hair type, Ma type, silk type
3. According to the use of distinction: clothing, cotton, decorative, industrial use
4. According to the functional distinction: Cation dye, moisture absorption, flame retardant, colored, anti-pilling, anti-static
5. According to the fiber cross-section: shaped wire, hollow wire.
(E) What are the varieties of polyester filament?
1. Raw silk: UDY, MOY, POY, HID (super-high speed yarn) Spinning) (HOY)
2. Stretched yarn: Stretched yarn (DY), fully drawn yarn (FDY), fully drawn yarn (FOY)
3. Deformed silk: conventional textured (DY), tensile textured (DTY), air textured (ATY).
浙江天台丰顿滤料有限公司是一家专业从事：液体过滤袋、工业滤布、滤布、滤袋、除尘袋生产销售的滤布厂家，多年来在液体过滤袋、滤袋、工业滤布、除尘袋生产上积累了丰富的经验和领先的技术。
|
