ASA PW-997S ASA PW-997S

ASA PW-997S

ASA塑料ASA是由苯乙烯、丙烯腈和丙烯酸酯类橡胶体共聚合而成。在技术上而言，ASA不仅维持了ABS之主要特性，并结合PMMA耐候之优点，使得产品之应用上可延伸至户外之用途。ASA分为：一般级、押出级和耐热级。

The demand for surface coating of mCPP resin automotive plastic parts is 500 tons / year, and the demand for metal surface anticorrosive coatings is over 200 thousand tons. In printing ink, the market demand is 500 tons / year. Guangzhou Pearl River chemical plant by solid suspension chlorination of unmodified PP chloride production, production capacity reached 30000 tons / year, the products are very popular, the price is about 35000 yuan / ton. The domestic price of mCPP solid material produced by Eastman company in the United States is up to 500000 yuan per ton, and the price of 50% mCPP is about 270000 yuan per ton. As a functional product of PP, PP modified products can greatly broaden the application field of PP, and have a wide range of market and application prospects. It is worth developing.

modification by copolymerization

Copolymerization modification refers to the use of catalyst and the modification of propylene monomer at the polymerization stage. Copolymerization of propylene monomer and other olefin monomers can improve the low temperature toughness, impact performance, transparency and processing fluidity of polypropylene. For example, in polymers obtained from propylene and ethylene copolymerization, due to the irregular distribution of the ethylene and propylene chain segments, the crystallinity of the substance is reduced. The 2%-3% block copolymer of ethylene monomer can be prepared by the copolymerization of ethylene and propylene rubber, low temperature impact resistance -30 C. When the content of ethylene is up to 30%, it becomes random copolymer, which has the characteristics of low crystallinity, good impact property and good transparency.

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