Method for the epoxidation of unsaturated polymers

Details Method for the epoxidation of unsaturated polymers Method for the epoxidation of unsaturated polymers

1996-12-23

1998-08-04

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...

5153328, 5153329, 5153331, 5153332, C08F 808

Patent

active

057895120

ABSTRACT:
A process for epoxidizing unsaturated polymers comprising reacting an unsaturated polymer with hydrogen peroxide in the presence of (a) tungstic acid or its metal salts, (b) phosphoric acid or its metal salts, and (c) at least one phase transfer catalyst.

REFERENCES:
patent: 5274140 (1993-12-01), Venturello et al.

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