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[Chemical Knowledge]：What are the upstream raw materials for PP (fiber) and what are the downstream products?

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PP (polypropylene) fiber has an important position in the field of chemical production raw materials, and its upstream and downstream related products are rich and diverse. The following will introduce the upstream and downstream related products of PP fiber in detail.

upstream related products:

1. Propylene: Propylene is the main raw material for the production of polypropylene, which is formed by polymerization. The price and supply stability of propylene have an important influence on the production of PP fibers.
2. Catalyst: The catalyst plays a key role in the production of polypropylene and promotes the polymerization reaction. Common catalysts include Ziegler-Natta catalysts and metallocene catalysts.
3. Additives: In order to improve the performance of PP fiber, some additives are often added in the production process, such as antioxidants, anti-ultraviolet agents, flame retardants, etc.

downstream related products:

1. textiles: PP fiber has a wide range of applications in the field of textiles, such as the production of clothing, towels, bed sheets and so on. PP fiber has good abrasion resistance, wrinkle resistance and quick drying, so it is very popular with consumers.
2. Non-woven fabrics: PP fibers also have a large number of applications in the field of non-woven fabrics, such as the production of disposable sanitary products, filter materials, etc. Non-woven fabrics have the characteristics of fast production speed and high output, so there is a large demand for PP fibers in the field of non-woven fabrics.
3. Rope and net: PP fiber can be used to produce rope and net. Because of its high strength, light weight, corrosion resistance and other characteristics, it is widely used in fishery, agriculture, construction and other fields.
4. Filling material: PP fiber can be used as a filling material for furniture, car cushions, etc., to improve the comfort and durability of the product.
5. Packaging materials: PP fiber can also be used to make packaging materials, such as packaging bags, packaging boxes, etc., with excellent moisture resistance, stretch resistance and environmental protection.

In short, PP fiber is very rich in upstream and downstream related products in the field of chemical production raw materials, which is of great significance for promoting the development of related industries. With the progress of science and technology and the continuous change of consumer demand, the application field of PP fiber will be further expanded, and the upstream and downstream related products will be more diversified.

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