The new copolyester (PETG) project independently researched and developed by the Liaoyang Petrochemical Research Institute has passed the acceptance of China Petroleum's advanced common research project.
The new copolyester is a new type of polyester product. It is characterized by good transparency, strong toughness, and environmental protection. It can be applied to transparent plastic plates, sheets, containers, bottles, etc., and because of its excellent processing performance and green environmental protection. Performance, there is a tendency to replace polyvinyl chloride, close to polycarbonate, has a broad market prospects. At present, only Eastman Chemical Company of the United States and SK Company of South Korea own the production technology of this product, and monopolize the entire market share of China. The successful independent R&D of new copolyesters of Liaoyang Petrochemical Company broke the monopoly of foreign companies in this field, realized technical reserves, and created favorable conditions for PetroChina to participate in the international polyester market competition.
The development of new copolyesters is an advanced reserve technology project established by China National Petroleum Corporation's refining and chemical center in 2004. The research institute of Liaoyang Petrochemical Company is specifically responsible for this. The project team successfully completed the pilot test and pilot test through independent innovation and Lectra's technical difficulties. The PTA semi-continuous polymerization device with an annual output of 20,000 tons was completed in industrial trial production. All the indicators of the product reached the same level of foreign companies' products. Quality Standard. The trial product was approved by the user after trial and was in short supply. It was predicted that the localized product would be profitable for every ton. At present, the project has declared two national invention patents with independent intellectual property rights and has been accepted.
Source: Petroleum and petrochemical materials procurement network
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