Viscoelasticity of potassium neutralized telechelic poly(ethylene-butylene) ionomer in non-polar solvent

Syed A. Rahman, Akihiko Takada, Norio Nemoto

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Viscosity and viscoelasticity were measured for potassium neutralized telechelic poly(ethylene-butylene) ionomer, CTPEB-K, as well as the original polymer, CTPEB, in a non-polar solvent of decalin in a concentration range from dilute to semidilute regime. CTPEB-K was found to associate with each other even in the dilution limit. With increasing the polymer concentration, CTPEB-K solution showed a rapid increase in viscosity due to the formation of a huge cluster and further increase in the concentration lead to formation of a viscoelatic network with finite but quite high viscosity. The time-temperature superposition could be applied for the viscoelasticity of the network and the Arrhenius type of temperature dependence was observed. The viscoelastic network exhibited two or three relaxation modes. The fast mode may be assigned to the network rearrangement and the slow mode possibly to the cluster migration in the viscous fluid.

Original languageEnglish
Pages (from-to)95-102
Number of pages8
JournalNihon Reoroji Gakkaishi
Volume30
Issue number2
DOIs
Publication statusPublished - Jan 1 2002

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Ionomers
viscoelasticity
Viscoelasticity
butenes
Potassium
potassium
Ethylene
ethylene
Viscosity
Polymers
viscosity
Dilution
polymers
viscous fluids
dilution
Temperature
Fluids
temperature dependence
butylene
temperature

All Science Journal Classification (ASJC) codes

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

Cite this

Viscoelasticity of potassium neutralized telechelic poly(ethylene-butylene) ionomer in non-polar solvent. / Rahman, Syed A.; Takada, Akihiko; Nemoto, Norio.

In: Nihon Reoroji Gakkaishi, Vol. 30, No. 2, 01.01.2002, p. 95-102.

Research output: Contribution to journalArticle

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