Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1994-11-21
1997-07-29
Berman, Susan W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
522116, 522120, 522125, 522157, 522161, 522158, 522159, 522160, C08F25502, C08F25504, C08F25508, C08F25510
Patent
active
056522819
ABSTRACT:
Disclosed are graft copolymers of polyolefins and a method of preparing the graft copolymers. The method includes 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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DeNicola, Jr. Anthony J.
Galli Paolo
Smith Jeanine A.
Berman Susan W.
Montell North America Inc.
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