Grafted polymers and method of preparing and using same

Details Grafted polymers and method of preparing and using same Grafted polymers and method of preparing and using same

1980-03-27

1981-07-14

Seccuro, Carman J.

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

Synthetic resins

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

20415915, 525244, 525256, 525257, 525259, 525260, 525262, 525263, 525279, 525287, 525292, 525311, 525317, 525387, 525391, 525392, 525904, C08F29118, C08F29106, C08F29104

Patent

active

042787777

ABSTRACT:
A dry grafting method of grafting a vinyl monomer onto a polymer, which method comprises admixing into an essentially dry, solvent-swollen, finely-divided, particulate, solid, polymer admixture, wherein the polymer has free radicals formed thereon and the admixture is essentially free of a polymerization initiator, a small grafting amount in incremental portions of a vinyl-monomer material to be grafted onto the swollen polymer, the amount of vinyl monomer sufficient to maintain an essentially free-flow, stirrable, particulate admixture, and effecting grafting of the vinyl monomer to the polymer.

REFERENCES:
patent: 3180908 (1965-04-01), Van Essen
patent: 3222423 (1965-12-01), Roebuck
patent: 3376168 (1968-04-01), Horowitz

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