에틸렌-방향족 비닐 화합물-비닐 노보넨 삼원공중합체

Ethylene-Aromatic Vinyl Compound-Vinyl Norbonene Terpolymer

Abstract

The ethylene/aromatic vinyl compound/vinylnorbornene terpolymer according to the present invention is prepared by copolymerizing 50-90 mol % of ethylene, 1-55 mol % of an aromatic vinyl compound and 1-55 mol % of a vinylnorbornene under a catalyst system consisting of a transition metal compound represented by formula (I) and a cocatalyst, where M represents a transition metal of Group IV of the Periodic Table such as titanium, zirconium or hafnium; Cp' is a non-substituted cyclopentadienyl group; a cyclopentadienyl group with 1 to 4 liner alkyl substitutes; an indenyl group; a substituted indenyl group; a fluorenyl group; or a substituted fluorenyl group; Y is a hydrogen or a silyl group of C1-10, an alkyl group of C1-10, an aryl group of C1-10, or a combination thereof; A is an alkyl group of C1-30, an alkylamide group of C1-30 or a derivative of cyclopentadienyl group which is identical to Cp'; and X is selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, an aryl group or a diene group.
본 발명은 에틸렌-방향족 비닐 화합물-비닐 노보넨 삼원공중합체에 관한 것이며, 특히 비닐 노보넨 공단량체에서 기인하는 말단 이중결합을 갖는 신규 엘라스토머 중합체와 종래의 전이금속 화합물 촉매가 가지는 결점을 극복하여 중합한 중합체를 제공하는 것이다. 또한, 본 발명의 삼원공중합체내에 존재하는 말단 이중결합을 이용함으로써 다양한 변형이 가능하다.

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