Preparation of block copolymers and products therefrom

Details Preparation of block copolymers and products therefrom Preparation of block copolymers and products therefrom

1978-05-22

1979-09-25

Michl, Paul R.

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

Synthetic resins

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

525271, 525348, 525354, C08F29500

Patent

active

041691156

ABSTRACT:
Block copolymers of AB or ABA configuration are prepared by anionically polymerizing one component, terminating the living polymer with sulfur or an episulfide and completing polymerization of the remaining block portion by free-radical polymerization.

REFERENCES:
patent: 3108994 (1963-10-01), Zelinski
patent: 3265765 (1966-08-01), Holden

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