Polypropylene fiber is the product name of polypropylene fiber, which is made from propylene as the raw material by polymerization and melt spinning. The production of polypropylene, which officially began in 1957, is a rising star in synthetic fibers. Because of the simple production process of polypropylene, low price, high strength, relatively low density and other advantages, polypropylene develops rapidly. Currently, polypropylene is the fourth largest variety of synthetic fibers.

The production of polypropylene includes staple fiber, filament and split film fiber. The polypropylene film is made of polypropylene, which is then stretched to split into a network of the original fiber. Polypropylene is used in manufacturing industrial fabrics, non-woven fabrics, etc. Such as carpet, industrial filter cloth, rope, fishing net, building reinforced material, oil absorbing blanket and decorative cloth. On the civil side, polypropylene can be spun or blended with wool, cotton or viscose to make a variety of materials. In addition, polypropylene film fiber can be used as packaging material.

PP anti-UV yarn

The main physical and chemical properties of polypropylene

1. The longitudinal plane of the shape polypropylene is straight and smooth, with a circular section.

2. The biggest advantages of density polypropylene texture light, its density of 0.91 g/cm3 is a common chemical fiber density the lightest varieties, so the same weight of polypropylene higher coverage than other fibers.

3. High tensile strength, high tensile strength, high initial modulus and excellent elasticity. So polypropylene wear well. In addition, the wet strength of polypropylene is basically equal to dry, so it is the ideal material for making nets and cables.

4. Hygroscopic and chromic polypropylene absorbability is very small, almost non-hygroscopic, and the moisture regain in general atmospheric conditions is close to zero. But it has a pipe-sucking effect that can pass water vapor through the capillary tube in the fabric, but it doesn't have any absorption. The chromaticity of polypropylene is poor, the chromatogram is not full, but can use the method that the liquid colorization is used to make up the deficiency.

5. Acid and alkali resistance Polypropylene has good resistance to chemical corrosion resistance, in addition to the concentrated nitric acid, concentration of caustic soda, polypropylene fiber on the acid and alkali resistance performance is good, so is suitable for used as filtration materials and packaging materials.

6. Light resistance is poor in light resistance, poor thermal stability, aging and ironing. But the anti-aging properties can be improved by adding anti-aging agent to the spinning. In addition, the electric insulation of polypropylene is good, but easy to produce static electricity when processing.

polyester

What is dacron?

Dacron is an important variety of synthetic fiber and is the name of the Chinese polyester fiber. It is pure terephthalic acid (PTA) and dimethyl terephthalate (DMT) and ethylene glycol (EG) as raw material through esterification and ester exchange and polycondensation reaction of fiber forming polymer, polyethylene terephthalate (PET), the spinning and aftertreatment fibers.

(2) what are the properties of dacron?

1. High strength. Short fiber strength is 2.6 ~ 5.7 cN/dtex, high strength fiber is 5.6 ~ 8.0 cN/dtex. Due to its low hygroscopicity, its wet strength is basically the same as that of dry state. The impact strength is four times higher than nylon and 20 times higher than viscose fiber.

2. Resilient. The elasticity is close to the wool, and when it is 5 to 6 percent, it is almost completely restored. Wrinkling resistance is more than other fiber, that is, the fabric is not creased, the dimensional stability is good. Elastic modulus is 22 ~ 141cN/dtex, 2 ~ 3 times higher than nylon.

3. Good heat resistance.

4, absorb water well.

5. Good wear resistance. Resistance to abrasion is second only to that of the finest nylon, which is better than other natural fibers and synthetic fibres.

6. Good light resistance. Light resistance is second only to acrylic. 7. Corrosion resistance. Bleaching agent, oxidizer, hydrocarbon, ketone, petroleum products and inorganic acid. The alkali is not afraid of mold, but it can be decomposed.

8. Poor dyeing.

What are the main types of dacron?

The types of dacron are short fibers, stretch yarn, textured yarn, decorative filament, industrial filament, and various differential fibers.

(4) what kinds of staple fiber do you have?

1. According to the physical characteristics: high strength and low elongation, medium and middle elongation, low strength medium, high modulus and high modulus

2. Separate processing requirements: cotton, hairy, flax, silk

3. Differentiated by use: clothing, cotton, decorative, industrial use

According to function: cation can dye, absorb wet, flame retardant, color, resist the ball, antistatic

5. By fiber section: hetero-filament, hollow silk.

What are the varieties of polyester filament?

PP anti-UV yarn

1. At the beginning of raw silk: undrawn yarn (conventional spinning) (UDY), half a preliminary orientation (medium speed spinning) (she), pre orientation (high speed spinning) (xiamen) wire, high orientation (ultra high speed spinning) (HOY)

2. Drawing silk: stretch yarn (low speed drawing yarn) (DY), full stretch yarn (FDY) (FDY), total silk (spinning step) (FOY)

Textured yarn: regular textured filament (DY), stretch textured yarn (DTY), air textured (ATY).

Shanghai jinci industrial co., LTD. Is a company specializing in the research and development of polypropylene yarn (FDY) research and development, manufacturing and marketing services. The company specialized production: polypropylene filament, polypropylene high strength silk, polypropylene hollow silk, polypropylene filament, polypropylene light body silk, polypropylene industrial silk and engineering fiber. The company is located in xinnong town, jinshan district, Shanghai. The factory covers an area of 20,000 square meters, with a building area of more than 10,000 square meters and an annual output of 5,000 tons. It is our company's mission and goal to be a pioneer in polypropylene industry.

Shanghai Jin Ci industrial co., LTD. Using the new material, new equipment, new technology, develop new application fields, satisfy clients' demand for all kinds of new products, service first, quality first for the principle, to provide customers with high quality products, timely and accurate can also produce according to customer requirements, fully ensure the products meet the customer requirements, the maximum cost savings to customers. The company is responsible for the identification, delivery and after-sale service of the company, creating the best conditions and services for customers.

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