Process for the manufacture of graft polymers

Details Process for the manufacture of graft polymers Process for the manufacture of graft polymers

1974-08-15

1976-04-06

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F26504, C08F25500, C08L 2326

Patent

active

039490190

ABSTRACT:
Process for the manufacture of graft polymers from copolymers of ethylene with vinyl esters, acrylates or methacrylates by grafting an ethylenically unsaturated carboxylic acid thereto in the presence of a free-radical polymerization initiator. Homogeneous graft copolymers are obtained from which sheeting can be made. To this end, the unsaturated carboxylic acid is first caused to diffuse into the copolymer and the mixture is then extruded at temperatures above the crystallite melting point of the ethylene copolymer.

REFERENCES:
patent: 3177269 (1965-04-01), Nowak et al.
patent: 3177270 (1965-04-01), Jones et al.
patent: 3862265 (1975-01-01), Steinkamp et al.

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