Reagents for graft copolymers

Details Reagents for graft copolymers Reagents for graft copolymers

1982-05-04

1985-02-26

Lieberman, Allan M.

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

Synthetic resins

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

525194, 5253299, 5253305, 5253336, 525376, 525408, 525415, 525474, C08K 523, C08L 2504, C08L 3308, C08L 8304

Patent

active

045018600

ABSTRACT:
A hydroxyl-functional polymer is reacted with a compound ZCO.N(H).sub.x.N(H).sub.x.CO.OR, where Z is halogen or aryloxy, x is 0 or 1 and R is hydrocarbon, and the reaction product is if necessary oxidized to give an azodicarboxylate functional polymer having the formula QOCO.N:N.CO.OR where Q is an inert polymer group. This polymer is used to react with ethylenically unsaturated natural or synthetic rubber so as to graft groups derived from the polymer on the rubber backbone.

REFERENCES:
patent: 4221681 (1980-09-01), Campbell et al.
patent: 4255536 (1981-03-01), Udipi

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