Thermal cross-linking of poly(vinyl methyl ether). II. Rheological behavior at the gel point

Samy A. Madbouly, Toshiaki Ougizawa

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The rheological behavior of thermally activated cross-linking process of poly(vinyl methyl ether) was investigated. The viscoelastic material functions abruptly changed at the onset of cross-linking with different degree of sensitivity to the gel formation. The value of tgel obtained from the coincidence of elastic storage modulus G′ and viscous loss modulus G″ was about 10 min longer than that determined from tan δ vs. t. The zero shear viscosity and the equilibrium shear modulus was also expressed in power law scaling function with the relative distance fro the gel point.

Original languageEnglish (US)
Pages (from-to)655-670
Number of pages16
JournalJournal of Macromolecular Science - Physics
Volume43 B
Issue number3
DOIs
StatePublished - May 1 2004

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Polymers and Plastics
  • Materials Chemistry

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