Peroxide-free grafting of homopolymers and copolymers of...

Details Peroxide-free grafting of homopolymers and copolymers of... Peroxide-free grafting of homopolymers and copolymers of...

C - Chemistry, Metallurgy

08

F

400/2054

C08F 255/02 (2006.01) C09J 151/06 (2006.01)

Patent

CA 1333826

In a process for the per- oxide-free grafting of ethylenically unsaturated carboxy- lic acids, carboxylic anhydrides and/or their derivatives to a homopolymer or copolymer of ethylene having a den- sity equal to or greater than 0.930 g/cm3, the monomers to be grafted are used in a concentration of from 0.01 to 0.5% by weight and the grafting reaction is carried out at from 210 to 300°C in a conventional extruder or mixer in the absence of a free radical initiator. The graft copolymers are used for the preparation of ionomers and adhesion promoters.

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