Graft copolymers of polyolefins and a method of producing same

Details Graft copolymers of polyolefins and a method of producing same Graft copolymers of polyolefins and a method of producing same

1992-11-06

1995-05-02

Berman, Susan W.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 53, 522113, 522114, 522116, 522117, 522120, 522121, 522125, 525308, 525313, 525316, 525298, 525242, C08J 936, C08F25502, C08F25504, C08F25508

Patent

active

054119944

ABSTRACT:
Disclosed are graft copolymers of polyolefins and a method of preparing said graft copolymers. The method comprises irradiating a mass of olefin polymer particles and thereafter treating the mass of particles with a vinyl monomer in liquid form. A nonoxidizing environment is maintained throughout the process while free radicals produced in the olefin polymer by the irradiation are present, thereby preventing degradation of the polymer. In a final step, residual free radicals are deactivated, and any unreacted monomer is removed.

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