Views: 0 Author: Site Editor Publish Time: 2024-12-30 Origin: Site
On December 23, the reporter was informed that the ultra-narrow distribution of medium-Mooney and high-Mooney rare earth cis-polybutadiene rubber test products developed by Jinzhou Petrochemical Research Institute have been evaluated in two tire enterprises, and the product performance is equivalent to that of imported similar products, reaching the domestic advanced level.
Cis-1,4-polybutadiene rubber can be synthesized by catalytic systems such as nickel series, cobalt series, lithium series, titanium series, rare earth series, etc. Among them, rare earth series cis-1,4-polybutadiene rubber is known as the best kind of cis-1,4-polybutadiene rubber because of its high strength, high wear resistance, low heat generation and low rolling resistance, and it is the preferred raw material rubber for producing green tires and high-performance tires. In recent years, the rapid development of China's new energy automobile industry has put forward higher requirements for low rolling resistance, high wear resistance and light weight of matching tires, which has pushed high-performance raw rubber into a golden period of development.
As the only enterprise with the production capacity of rare earth catalyst and rare earth cis-1,4-polybutadiene rubber in China, Jinzhou Petrochemical continuously optimizes the aging technology of rare earth catalyst and the synthesis technology of rare earth cis-1,4-polybutadiene rubber, and cooperates with Changchun Institute of Applied Chemistry of Chinese Academy of Sciences, Beijing Rubber Industry Research and Design Institute and other scientific research institutions to develop efficient cocatalyst, improve catalyst activity and reduce catalyst cost. Branching agent is introduced into the catalytic system to greatly improve the processability of rare earth cis-polybutadiene rubber; Optimize the product molecular structure, improve the dynamic performance of the product, further reduce the heat generation and rolling resistance of the product, and improve the wear resistance. At present, Jinzhou Petrochemical has formed an independent technology of the whole process and obtained 17 invention patents.
