C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
400/6583, 204/91
C08J 3/28 (2006.01) C08F 8/50 (2006.01)
Patent
CA 1156602
Boynton Case 4 METHOD OF VISBREAKING POLYPROPYLENE Abstract of the Disclosure A process for preparing an environmentally stable plastic composition having narrow molecular weight distribu- tion by visbreaking a propylene polymer using an activated portion of the propylene polymer as a prodegradant. The process includes forming the prodegradant by activating a portion of the propylene polymer either by exposure to * ionizing radiation or by oxidation.
376353
Fetherstonhaugh & Co.
Hercules Incorporated
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