Market: transparent polypropylene should be towards the high end – Plastic – pha
Plastic In people's lives has been more widely used. Most plastic is opaque, such as plastic pipes, plastic barrels, plastic chairs, plastic Toy So, when such opaque materials can be used by people to accept. But for some plastic utensils, people want to use its transparent properties, such as microwave dishes, syringes, needles, iron water tank, Car Antifreeze containers, there Food Packing bags. Transparent state of these plastic products, not only visually clear and easy for the correct use. Now make a transparent plastic material in the most impressive feature is the fastest growing, most active new product development polypropylene.
High transparent polypropylene will be the new darling of the market
Polypropylene itself is not transparent, its easy crystallization characteristics make the product less gloss and transparency, the lack of aesthetic appearance, this feature is also restricted in a transparent polypropylene packaging, commodities and other application fields. However, through the transparent polypropylene modified, not only bear its light weight, low cost, health, high temperature, the advantages of easy processing, and transparency and surface gloss with some other transparent plastic (such as polycarbonate, poly styrene, etc.) comparable cost performance than they are good, so widely used transparent packaging Medical Devices Household articles, general industrial and other fields. Especially for high transparent polypropylene suitable for a wide temperature range, is used in the microwave worry about heat damage to food packaging and contaminate food. At the same time due to the high transparent polypropylene and flexibility, its made of plastic plate also not easy to break, good seal. Predictable, transparent, high transparent polypropylene packaging products will be a trend. It is understood that demand for high transparent polypropylene international market of 300 million tons per year, domestic demand is also growing.
Yangzi Petrochemical Plastic Factory polypropylene plant a set of device classes and Chairman of aggregate team technician Yu Renjun to reporters, the domestic petrochemical enterprises in development and production of this product has made positive efforts. China's production of high transparent polypropylene main method is to add transparent modifier, but the research process in a transparent agent, property development, product type and so there is not a small gap with foreign countries. Made of high transparent polypropylene applications in the market mainly limited to film, cups, disposable plastic tableware and other low-value products, and as microwave equipment, medical supplies that are mostly dependent on imported high-end products.
Solve the problem is the key development and production
This stage, from development and production start is made towards the end of high transparent polypropylene key problem areas.
Research and development and production of new high performance transparent modifier. Production of high-performance transparent modifier is the key to high-quality transparent polypropylene. China's high-performance transparent modifier both in variety and number of difficult to adapt to the needs of the development of transparent polypropylene, transparent modifier existing total annual production scale of not more than 100 tons, the output is far from meeting the domestic demand, transparent to change of agents have to rely heavily on imports, an increase of production costs. The transparent crystalline form of polypropylene modifiers, performance and processing techniques, the implications of understanding is also less need for in-depth study. Hope to adapt to the development of the domestic plastics market, expanding the production of transparent modifier scale and productivity.
Greater efforts to develop high transparent polypropylene random copolymer grades. Is a random copolymer of two or more monomer copolymerization without the formation of regular polymer. PP random copolymer made of high transparent polypropylene products, the transmittance of more than 94%. Foreign enterprises with the production of transparent glass products, packaging, public folders and file cabinets and other office, in a transparent plastic market dominance. Since there is no similar domestic raw materials, current imports of basic products. High transparent polypropylene random copolymer products in the domestic plastics market is extremely optimistic about the prospects, have a good economic benefits, it should be vigorously developed.
The world using metallocene catalysts to produce high transparent polypropylene has gained industrialization. As with single-site metallocene catalyst properties, can be more precisely controlled molecular weight, molecular weight distribution, crystal structure and comonomer in the polymer molecular chains on the addition method, which can produce high strength and high transparent polypropylene. Many foreign companies are using metallocene catalyst in the efforts to develop the production of high transparent polypropylene. Preparation of polypropylene with metallocene catalyst in China's research is more active, should speed up the transparent development of metallocene polypropylene, to meet our high transparent polypropylene product production.
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