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The development and application of PVC resins with high polymerization degrees have a history of many years, but which companies in China are currently the best at this? What are the grades?
If your boss is truly committed to developing new products, he should at least purchase a CNKI or VIP Science literature search account. You can find these things by checking above. :lol
Hangzhou Sile Chemical Co., Ltd. offers products with high polymerization degrees, and there are reports of successful developments by Tianjin Chemical Plant and Haohua Aerospace. The main product models are three types with polymerization degrees of 1700, 2500, and 4000.
What is high-polymerization-resin processing mainly used for in production today?
PVC resin with a polymerization degree of 2500–4000, mainly used in: high-performance cable materials, wear-resistant shoe soles, and automotive sealing strips. It seems that there are also reports in Japan of polymerizations with a degree of 6,000–8,000.
High-polymerization PVC resins were first developed in Japan, while research and development in China started later, beginning in the late 1980s. The polymerization and processing technologies are not yet mature, which hinders their widespread adoption. With further research into the polymerization and compounding techniques of high-polymerization-degree PVC resins, its application areas will expand even further.