Oxidation of halogenated polymers and anticaking halogenated pol

Details Oxidation of halogenated polymers and anticaking halogenated pol Oxidation of halogenated polymers and anticaking halogenated pol

1992-06-10

1994-05-10

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...

525239, 525240, 525317, 525324, 5253314, 5253337, 5253338, C08F 838, C08F 1406, C08F 1408

Patent

active

053108167

ABSTRACT:
An oxidized halogenated polymer is prepared by a process comprising (a) forming an admixture of an acidic oxidizing agent and a suspension of a particulate halogenated polymer in a polar liquid; (b) heating the admixture to a temperature sufficient to initiate the reaction between the polymer and the oxidizing agent; and (c) continuing the reaction until an oxidized polymer having a preselected extent of oxidation is obtained. At least one addition polymerizable compound is, optionally, grafted to the oxidized halogenated polymer. The oxidized halogenated polymer and graft copolymers thereof have physical properties different from the halogenated polymer and graft copolymers thereof. Certain graft copolymers are non-caking or free flowing.

REFERENCES:
patent: 2181158 (1938-11-01), Sparks et al.
patent: 4778856 (1988-10-01), Chen
patent: 4945133 (1990-07-01), Pennington et al.

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