Manufacture of graft copolymers

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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C08F26304, C08F26502, C08F26504

Patent

active

039989127

ABSTRACT:
Unsaturated carboxylic acids are grafted onto copolymers of ethylene and carboxylates. Carboxylic acid containing initiator is caused to diffuse into shaped elements of the copolymers, polymerization then being carried to completion by heating. The products exhibit no fish eyes and are highly suitable for sheet manufacture.

REFERENCES:
patent: 3808294 (1974-04-01), Sato et al.
patent: 3886234 (1975-05-01), Ishihara et al.
patent: 3949012 (1976-04-01), Zeitler et al.

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