Block copolymer, process for producing the same and resin compos

Details Block copolymer, process for producing the same and resin compos Block copolymer, process for producing the same and resin compos

1998-09-22

2000-02-22

Gorr, Rachel

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525245, 525251, 525258, 525266, 525244, 525 92R, 525 88, C08F25902

Patent

active

060281472

ABSTRACT:
Herein disclosed are a block copolymer having an isobutylene-based polymer block and a vinylic aromatic hydrocarbon-based polymer block and containing a styrenic unit having a halogenated saturated aliphatic hydrocarbon group on the benzene ring at 0.01 to 2 mol % on a basis of the total structural units and being capable of markedly improving the performance of a synthetic resin when the block copolymer is blended with the synthetic resin; a process for producing the block copolymer; and a resin composition position containing the block copolymer.

REFERENCES:
patent: Re34640 (1994-06-01), Kennedy et al.
patent: 4074035 (1978-02-01), Powers et al.
patent: 5708103 (1998-01-01), Kajiya et al.
patent: 5721331 (1998-02-01), Shachi et al.
patent: 5753755 (1998-05-01), Shachi et al.
Derwent Abstracts, AN 97-017500, JP 08 283462, Oct. 29, 1996.

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