3,5-Dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene

Details 3,5-Dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene 3,5-Dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene

1975-10-24

1977-06-28

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 4585R, 2603985, C07C 6976

Patent

active

040325628

ABSTRACT:
Esters of polyalkyleneglycols with 3,5-dialkyl-4-hydroxyphenylalkanoic acids were prepared by simple esterification techniques. An example of such compounds is methoxytriethyleneglycol 3-(3',5'-di-t-butyl-4'-hydroxyphenyl)propionate. These compounds are useful as stabilizers of organic substrates subject to oxidative and thermal degradation.

REFERENCES:
patent: 3285855 (1966-11-01), Dexter et al.
patent: 3441575 (1969-04-01), Dexter et al.

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