Liquid antioxidants as stabilizers

Details Liquid antioxidants as stabilizers Liquid antioxidants as stabilizers

1993-04-01

1995-12-26

Morgan, Kriellion S.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524386, 252404, 560 60, C08K 509, C08K 505, C07C 6976

Patent

active

054788757

ABSTRACT:
Products are described which can be obtained by reacting components a), b) and c), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II and component c) is a compound of the formula III or a mixture of compounds of the formula III, ##STR1## in which the general symbols are as defined in claim 1, the compound of the formula I being, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,4-propanediol, diethylene glycol, triethylene glycol, diethanolamine or glycerol, the compound of the formula II being, for example, sunflower oil or coconut fat, and the compound of the formula III being, for example, methyl 3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate. The abovementioned products can be used as liquid antioxidants in polymers and lubricants.

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G. Abellaneda et al., 3rd Symposium CEC, 1989 London, 61, New Cavendish St. W1M 8AR, England.

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