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Chemical degradation of epoxidized natural rubber using periodic acid: Preparation of epoxidized liquid natural rubber by P. Phinyocheep; C. W. Phetphaisit; D. Derouet; I. Campistron; J. C. Brosse is a Materials Science article available to read on EtoBox.

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## Abstract Oxidative degradation of epoxidized natural rubber (ENR) was effectively performed in latex phase by using periodic acid at 30°C. The ENR was prepared from the epoxidation of natural rubber in latex phase using performic acid generated __in situ__ by the reaction of hydrogen peroxide and formic acid. The prepared ENR latex was subsequently treated with periodic acid. It was found that the higher the amount of the periodic acid employed the faster the molecular weight of the ENR decreased. Different epoxidation levels of the ENR had no significant effect on the degradation reaction. Based on ^1^H NMR analysis, the epoxide content in the epoxidized liquid natural rubber (ELNR) obtained was about the same as that observed in the ENR before degradation. FT‐IR analysis showed an increase in carbonyl signal after prolonged reaction time or when higher amounts of periodic acid were employed. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 95: 6–15, 2005

Who reads Chemical degradation of epoxidized natural rubber using periodic acid: Preparation of epoxidized liquid natural rubber?

Author

P. Phinyocheep; C. W. Phetphaisit; D. Derouet; I. Campistron; J. C. Brosse

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0021-8995)

Published

2004

Language

EN

Field

Materials Science (Physical Sciences)