Role of fatty acids in autoxidation of deproteinised natural rubber


Citation

Arnold A.R., . and Evans P., . Role of fatty acids in autoxidation of deproteinised natural rubber. pp. 75-86. ISSN 0127-7065

Abstract

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.


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Abstract

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.

Additional Metadata

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Item Type: Article
Additional Information: 5 graphs; 3 tables; 25 ref. Summary (En)
AGROVOC Term: CAUCHO
AGROVOC Term: ACIDO ESTEARICO
AGROVOC Term: ACIDO OLEICO
AGROVOC Term: ACIDO LINOLEICO/ OXIDACION
Depositing User: Ms. Norfaezah Khomsan
Last Modified: 24 Apr 2025 05:55
URI: http://webagris.upm.edu.my/id/eprint/19960

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