Preparation of syndiotactic 1,2-polybutadiene using a...

Details Preparation of syndiotactic 1,2-polybutadiene using a... Preparation of syndiotactic 1,2-polybutadiene using a...

C - Chemistry, Metallurgy

08

F

C08F 36/06 (2006.01) C08F 4/69 (2006.01) C08F 136/06 (2006.01)

Patent

CA 2255351

The instant invention teaches a method for forming a syndiotactic 1,2-polybutadiene product having a syndiotacticity of more than 66.5 % and a melting temperature of more than about 100~C. The method includes polymerizing 1,3-butadiene in solution with a solvent, in the presence of catalytically effective amounts of: (a) an organomagnesium compound; (b) a chromium compound; and, (c) a dihydrocarbyl hydrogen phosphite. The present invention also contemplates a product of the method and an article made from the product.

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