Hydrogenated high vinyl polybutadiene

Details Hydrogenated high vinyl polybutadiene Hydrogenated high vinyl polybutadiene

C - Chemistry, Metallurgy

08

F

402/467

C08F 136/06 (2006.01) C08C 19/02 (2006.01) C08F 8/04 (2006.01)

Patent

CA 1188045

ABSTRACT OF THE DISCLOSURE: The composition described herein is a hydrogenated polymer derived from a polybutadiene having originally between 95 and 100% 1,2-structure. The hydrogenated product is an elastomeric material which is oxidation-resistant and stable against ozone. Moreover, since the original high vinyl polymer may be made by a method which permits control of the molecular weight, the molecular weight of the ultimate hydro- genated products is also controllable. The control of mole- cular weight and microstructure give highly desirable proper- ties in the ultimate elastomeric product, and also control of tacticity and crystallinity.

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