With the continuous improvement of people's living standards, it will inevitably bring about changes in culture, entertainment, food, medical care, materials, room decoration, and other changes in various aspects. Many items in the market are increasingly using transparent materials. Therefore, the development of transparent PP special materials is a very good development trend, especially the need for high transparency, good fluidity, rapid molding PP special materials, in order to design and process into people's favorite PP products. Transparent PP is more distinctive than ordinary PP, PVC, PET, and PS, and has more advantages and development prospects. It is understood that the demand for transparent polypropylene in the world is growing at a rate of 5% per year, and it is expected that by 2005, the market demand will reach 200 to 2.5 million tons. If the PET transparency is defined as 100%, the high transparent PP can be more than 80%, and the randomness of the metallocene polypropylene (mPP) random copolymer can reach 96%. Compared with ordinary PP, because the appearance, heat resistance and rigidity of highly transparent PP products have been improved, it is gradually replacing PVC, PS, PET, etc., which are widely used in household products, packaging products, medical equipment, etc. , greatly expanding the application of PP. In recent years, the foreign transparent PP market has grown rapidly. For example, South Korea LG has introduced transparent PP as a PET alternative to the market; some German companies have replaced transparent PP with PVC; US transparent PP products have grown 7% faster than ordinary PP products. ~9%; Japan in recent years, the annual amount of PP nucleating agent is about 2000t, if calculated by adding 0.25%, the annual output of Japan transparent PP material can reach more than 800,000t. According to the introduction of the Japan Chemical and Chemical Corporation, Japan's transparent PP special materials are used for microwave cookers and furniture, the largest consumption. It is estimated that the demand for transparent PP special materials in foreign markets in 2005 will be about 5 to 5.5 million tons. At present, there is a big gap between domestic transparent PP special materials and foreign countries. The production and application of transparent PP resins and their products still need to be strengthened. China's research and development of transparent PP started late. The production method is mainly to add transparent modifiers in PP. There is still a big gap with foreign countries in the research and application development of transparent agent technology and the types and market applications of highly transparent PP products. The market application is limited to the field of low value-added plastic products such as films, sheets, transparent cups, microwave ovens, and disposable tableware. Beijing Yanshan Petrochemical Company began researching and developing high-transparent PP technology and its products in 1993, and then carried out industrial production on its PP plant. With the addition of nucleating agents, K4818, K4808, K4902 and other grades have been developed. The performance and application of the products are leading in the field of domestic injection and blowing. Shanghai Petrochemical Company successfully developed high transparent PP in 1997. At present, the company's homopolymer transparent PP, random copolymer transparent PP's main brands are M250E, M450E, M800E, M1200E, M3000E and M250T. Yangzi Petrochemical Company in August 2000 in its 160,000 tons / year PP production plant with N catalyst produced on the basis of PPF401 powder, adding a composite transparent additives to produce a highly transparent PP grade J301G. At present, Yangzi Petrochemical Company has established the serial number of the ordinary grade random copolymer PP transparent product machine as the focus of its current research and development, and developed two new brands of PPT800 and PT2000. The transparent PP special material TJTM-8020 independently developed by Tianjin Petrochemical Company Ethylene Plant was put into industrial production in March 2003. In addition, Guangzhou Petrochemical Company, Ningbo Huasheng Company, Shanghai Taopusi Company, etc. are also developing transparent PP. High transparent polypropylene (HTPP) is an important modified type of polypropylene and has a wide range of uses in medical devices, transparent packaging, and household products. At present, all kinds of transparent PP grades have become a bright spot in the development of new PP products in the world. With the continuous improvement of people's living standards, it will inevitably bring about changes in culture, entertainment, food, medical care, materials, room decoration, and other changes in various aspects. Many items in the market are increasingly using transparent materials. Therefore, the development of transparent PP special materials is a very good development trend, especially the need for high transparency, good fluidity, rapid molding PP special materials, in order to design and process into people's favorite PP products. Transparent PP is more distinctive than ordinary PP, PVC, PET, and PS, and has more advantages and development prospects. It is understood that the demand for transparent polypropylene in the world is growing at a rate of 5% per year, and it is expected that by 2005, the market demand will reach 200 to 2.5 million tons. If the PET transparency is defined as 100%, the high transparent PP can be more than 80%, and the randomness of the metallocene polypropylene (mPP) random copolymer can reach 96%. Compared with ordinary PP, because the appearance, heat resistance and rigidity of highly transparent PP products have been improved, it is gradually replacing PVC, PS, PET, etc., which are widely used in household products, packaging products, medical equipment, etc. , greatly expanding the application of PP. In recent years, the foreign transparent PP market has grown rapidly. For example, South Korea LG has introduced transparent PP as a PET alternative to the market; some German companies have replaced transparent PP with PVC; US transparent PP products have grown 7% faster than ordinary PP products. ~9%; Japan in recent years, the annual amount of PP nucleating agent is about 2000t, if calculated by adding 0.25%, the annual output of Japan transparent PP material can reach more than 800,000t. According to the introduction of the Japan Chemical and Chemical Corporation, Japan's transparent PP special materials are used for microwave cookers and furniture, the largest consumption. It is estimated that the demand for transparent PP special materials in foreign markets in 2005 will be about 5 to 5.5 million tons. At present, there is a big gap between domestic transparent PP special materials and foreign countries. The production and application of transparent PP resins and their products still need to be strengthened. China's research and development of transparent PP started late. The production method is mainly to add transparent modifiers in PP. There is still a big gap with foreign countries in the research and application development of transparent agent technology and the types and market applications of highly transparent PP products. Market applications are limited to thin films. 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