Reactions of sulfur containing phenolic antioxidants for elastomers

Article abstract of DOI:10.1080/10426509908546440

Alkyl-hydroxybenzylthioethers are efficient storage and processing stabilizers for elastomers and adhesives. Especially alkyl-(2-hydroxybenzyl)thioethers represent an intramolecular combination of a primary and secondary antioxidant, i.e. a phenolic and a thioether moiety in an optimized spatial arrangement. The mechanism of their intramolecular synergism was investigated. The best overall stabilizers are 2,4-bis(alkylthiomethyl)-6-methylphenols, e.g. AOI, in contrast to 2,6-dialkyl-4-alkylthiomethylphenols(B), 4-alkyl-2,6-bis(alkylthiomethyl)phenols C.

Full text of DOI:10.1080/10426509908546440

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Phosphorus, Sulfur, and
Silicon and the Related
Elements
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Reactions of Sulfur
Containing Phenolic
Antioxidants for
Elastomers
Hansrudolf Meier , Hanspeter Kuenzi ,
Gerrit Knobloch , Guenther Rist & Martin
Szelagiewicz
a Ciba Specialty Chemicals Ltd. Additives
Division , Additives Research CH-4002 BASEL
b Application Research , CH-4002 BASEL
c Application Research , CH-4002 BASEL
d Institute of Physical Chemistry, University
of Basel , Klingelbergstr. 80, CH-4056 BASEL
e Novartis Services AG , CH-4002 BASEL,
SWITZERLAND
Published online: 17 Mar 2008.
To cite this article: Hansrudolf Meier , Hanspeter Kuenzi , Gerrit Knobloch ,
Guenther Rist & Martin Szelagiewicz (1999) Reactions of Sulfur Containing
Phenolic Antioxidants for Elastomers, Phosphorus, Sulfur, and Silicon and the
Related Elements, 153:1, 275-300, DOI: 10.1080/10426509908546440
To link to this article: http://dx.doi.org/10.1080/10426509908546440

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