Structure and Properties of Degraded Natural Rubber Vulcanizates —Application of Mooney-Rivlin Type Plot to Degraded Network—

Kyung Do Suh, Hidetoshi Oikawa, Kenkichi Murakami

Research output: Contribution to journalArticlepeer-review

Abstract

Stress-strain behavior of degraded natural rubber vulcanizates was analyzed by using the Mooney-Rivlin type plot to clarify the relation between degraded network structure and property. Mooney-Rivlin plots exhibited a good linear relation even for degraded samples. However, the dependence of C2 coeffeicient on the network chain densities for degraded samples was utterly different from that for undegraded samples. It is suggested from the differences in C2 behavior that the physical flow which occurs in degraded network may influence chemical stress relaxation. A model was presented to explain the effect of the physical flow on chemical relaxation, and the difference between samples vulcanized in dry state and in swollen state was discussed.

Original languageEnglish
Pages (from-to)104-107
Number of pages4
JournalNihon Reoroji Gakkaishi(Journal of the Society of Rheology, Japan)
Volume12
Issue number2
DOIs
Publication statusPublished - 1984 Jan

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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