Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1984-06-25
1985-12-03
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253337, C08F 850
Patent
active
045566950
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.
Akzo N.V.
Lipman Bernard
Schofer Joseph L.
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