Title:
BROMINATED POLYISOBUTYLENE POLYMER AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/013298
Kind Code:
A1
Abstract:
The present invention aims to provide a brominated polyisobutylene polymer which exhibits (a) excellent vulcanization reactivity and (b) excellent balance between rubber strength and gas barrier properties. This aim is achieved by a brominated polyisobutylene polymer which is characterized by containing, as constituent units, a specific amount of an unbrominated methyl styrene group and a specific amount of a brominated methyl styrene group.
Inventors:
IKARI YOSHIHIRO (JP)
Application Number:
PCT/JP2018/026380
Publication Date:
January 17, 2019
Filing Date:
July 12, 2018
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08F8/20; C08F297/00
Domestic Patent References:
| WO2016190358A1 | 2016-12-01 | |||
| WO2017002625A1 | 2017-01-05 |
Foreign References:
| CN105820281A | 2016-08-03 | |||
| JPH02150408A | 1990-06-08 | |||
| JP2000515193A | 2000-11-14 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Download PDF: