Telechelic polyisobutylene and block copolymer derivatives

Details Telechelic polyisobutylene and block copolymer derivatives Telechelic polyisobutylene and block copolymer derivatives

1990-09-24

1991-08-20

Lipman, Bernard

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

Synthetic resins

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

5253328, 525388, C08F 806

Patent

active

050415026

ABSTRACT:
Polymers of the formula: ##STR1## wherein X is selected from the group consisting of halogen, hydroxyl and alkoxy and n is an integer such that the polymer has a weight average molecular weight within the range of from 5,000 to 30,000 are useful to prepare a wide variety of block copolymer resins such as polycarbonate - polyisobutylene block copolymer.

REFERENCES:
patent: 3392154 (1968-07-01), Baldwin
patent: 4276394 (1981-06-01), Kennedy
patent: 4316973 (1982-02-01), Kennedy

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