Higher .alpha.-olefin copolymer, process for the preparation...

Details Higher .alpha.-olefin copolymer, process for the preparation... Higher .alpha.-olefin copolymer, process for the preparation...

C - Chemistry, Metallurgy

08

F

C08F 236/20 (2006.01) C08F 210/14 (2006.01) C08J 3/24 (2006.01) C08L 23/18 (2006.01)

Patent

CA 2087907

ABSTRACT The higher .alpha.-olefin copolymer of the invention is a copolymer of specific higher .alpha.-olefin, specific .alpha.,.omega.-diene and specific non-conjugated diene, and this copolymer has a specific molar ratio of the higher .alpha.-olefin to the .alpha.,.omega.- diene, a specific content of the non-conjugated diene and a specific intrinsic viscosity. This higher .alpha.-olefin copolymer can be prepared using a catalyst for olefin polymerization formed from a specific solid titanium catalyst component, an organometallic compound catalyst component and an electron donor catalyst component. The vibration-insulating rubber molded product of the invention is formed from a vulcanized product of the above-mentioned copolymer. The above-mentioned copolymer is excellent not only in weathering resistance, ozone resistance, thermal aging resistance, low-temperature characteristics, vibration-damping properties and dynamic fatigue resistance but also in processability, so that an excellent vulcanized product can be obtained from the copolymer.

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