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-Introduction to butadiene rubber-

 

The full name of cis-1,4-polybutadiene rubber is cis-1,4-polybutadiene rubber, and its molecular formula is (C4H6) n. It belongs to the mixture, abbreviated as BR.

企业介绍

 

Performance

It is white or yellowish, with high elasticity, low hysteresis loss and heat generation, good low temperature, filling and in mold fluidity, excellent wear resistance and koji resistance, etc. Cis-1,4-polybutadiene rubber is widely used in tire manufacturing. The produced tire tread can significantly improve wear-resistant products, such as rubber shoes, tapes, rubber rollers, and various products with high cold resistance requirements under harsh form conditions, such as high speed, poor road surface, and very low temperature.

企业介绍

 

Production process

 

The production process of cis-1,4-polybutadiene rubber includes the preparation and measurement of catalyst, terminator and antioxidant, butadiene polymerization, rubber liquid condensation and rubber dehydration and drying. Almost all of the polymerizations adopt the continuous solution polymerization process, and most of the polymerization devices use 3-5 kettles in series, with a single kettles volume of 12-50m. The solvents used and the products obtained varied with the catalysts.

企业介绍

 

Application

Cis-1,4-polybutadiene rubber can be vulcanized by traditional sulfur vulcanization process. Its processing performance is similar to that of general purpose rubber except for slow mixing speed and mild roll off during mixing, such as film flatness, gloss and scorch time.

 

Cis-1,4-polybutadiene rubber (BR) is a kind of synthetic rubber with regular structure, which is prepared from butadiene polymerization.

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