Branched block copolymers and their manufacture

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

525123, 525153, 525386, 525284, 525359, 525304, 525314, 525342, C08F29704

Patent

active

041675452

ABSTRACT:
Branched block copolymers of from 60 to 95 percent by weight of a monovinyl-aromatic compound and from 40 to 5 percent by weight of a conjugated diene.
The branched block copolymers have a structure of the general formula

REFERENCES:
patent: 3639521 (1972-02-01), Hsieh
patent: 3644588 (1972-02-01), Hassell
patent: 3947536 (1976-03-01), Horiie

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