Title:
【発明の名称】改良プラスチックエラストマーブロックコポリマー
Document Type and Number:
Japanese Patent JPH06504803
Kind Code:
A
Abstract:
A thermoplastic elastomeric block copolymer comprising olefin elastomeric mid block units and terminal polystyrene units having substitution in an amount sufficient to raise the glass transition temperature of the polymer. The substitution comprises cycloaliphatic or aromatic acylation and the acylation substitution is accomplished by reaction of an acylhalide with the copolymer in the presence of a catalytic amount of triflic acid.
Inventors:
Harwood, H. James
Janes, Alan Es
Smook, Malcolm A.
Janes, Alan Es
Smook, Malcolm A.
Application Number:
JP50530792A
Publication Date:
June 02, 1994
Filing Date:
January 09, 1992
Export Citation:
Assignee:
The West Company, Inc.
International Classes:
C08F8/00; C08F8/10; C08F297/04; C08F297/08; (IPC1-7): C08F8/10; C08F297/08
Attorney, Agent or Firm:
Yohei Kinoshita (1 person outside)