Process for the degradation of (co)polymers of propylene

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Other Related Categories

5253337, C08F 850

Type

Patent

Status

active

Patent number

045566950

Description

ABSTRACT:
A process for the degradation of (co)polymers using as degradants chlorinated 1,1,2,2-tetramethyl-1,2-diphenyl ethane (chlorinated bicumyl) and/or derivatives thereof carrying alkyl substituents in the aromatic nuclei. The present degradants generally are mixtures of bicumyls having varying degrees of chlorination. They may be employed in combination with usual antioxidants and/or UV-stabilizers and display higher activity than bicumyl itself.

REFERENCES:
patent: 3922256 (1975-11-01), Locke et al.

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