┗CPE美国陶氏CM3551E︷

品牌：进口 产品规格：齐全 产地：广东东莞市 包装说明： CAS/标准: 运输说明： ┗ CPE美国陶氏CM 3551E︷┗ CPE美国陶氏CM 3551E︷┗ CPE美国陶氏CM 3551E︷
PP
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.
PP used in the automobile industry has a strong competitive power, but because of the low modulus and heat resistance, impact strength is poor, so it can not be directly used for auto parts, cars are used for modified PP products, its heat resistance can be increased from 80 to 145 DEG ~150 DEG C, and can withstand high temperature 750~ 1000h after aging do not crack. According to reports, the Toyota Corporation of Japan launched a new generation of highly oriented crystalline polypropylene HEHCPP products, can be used as automotive instrument panels, bumpers, than with TPO as raw material for the production of similar products cost reduced by 30%, the modified PP used for auto parts has very broad prospects for development. 688