Grafting reaction system and grafting process

Details Grafting reaction system and grafting process Grafting reaction system and grafting process

1990-05-24

1993-11-30

Dean, Ralph H.

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

Synthetic resins

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

525261, 525262, 525274, 525291, 525302, 525426, 525904, C08F28300

Patent

active

052666328

ABSTRACT:
A grafting reaction system comprises an activated polymer and a grafting medium containing a monomer, with the system containing free radicals. The system further comprises 0.1 to 2% by weight of the grafting medium and monomer of a homopolymerization inhibitor compound, the inhibitor compound comprising a compatabilizing function toward the grafting medium which is selected from the group consisting of sulfonic, carboxylic and phenolic groups, and an inhibiting function which acts as a transfer agent for the free radicals, the inhibiting function being an allyl-type unsaturated group. The inhibitor compound has a diffusing capacity through the grafting medium which is greater than its diffusing capacity through the polymer.

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patent: 4506056 (1985-03-01), Gaylord

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