Role of fatty acids in autoxidation of deproteinised natural rubber

The effects of stearic, oleic and linoleic acids and their methylesters on the autoxidation of deproteinised natural rubber (DPNR) have been investigated. The carboxyl group of the free acids was found to be of primary importance in increasing the rate of oxidation and enhancing chain scission. Olei...

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Bibliographic Details
Published inJournal of Natural Rubber Research (Malaysia) Vol. 6; no. 2
Main Authors Arnold, A.R, Evans, P
Format Journal Article
LanguageEnglish
Published 01.06.1991
Subjects
ACIDE LINOLEIQUE
ACIDE OLEIQUE
ACIDE STEARIQUE
ACIDO ESTEARICO
ACIDO LINOLEICO
ACIDO OLEICO
CAOUTCHOUC
CAUCHO
OXIDACION
OXYDATION
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Summary:The effects of stearic, oleic and linoleic acids and their methylesters on the autoxidation of deproteinised natural rubber (DPNR) have been investigated. The carboxyl group of the free acids was found to be of primary importance in increasing the rate of oxidation and enhancing chain scission. Oleic and linoleic acids exhibited synergistic pro-oxidant activity as a result of their co-oxidation. Chain breaking antioxidants such ad butylated hydroxytoluene (BHT) helped protecting polyisoprene from fatty acid promoted autoxidation.
Bibliography:9105287
Q60
ISSN:0127-7065