Nihon Reoroji Gakkaishi
Online ISSN : 2186-4586
Print ISSN : 0387-1533
ISSN-L : 0387-1533
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Study on Hierarchical Structures and Nonlinear Viscoelastic Properties of Polymer and Rubber Materials
Yoshinobu Isono
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2008 Volume 36 Issue 5 Pages 203-212


Polymer and rubber materials show remarkable nonlinear viscoelasticity. The nonlinearity may be due to change in material structures, i.e. entanglement and filler structures. The way of thinking leads us to make simultaneous measurements of the responses to large stimuli and additional responses to perturbative stimuli, i.e. differential dynamic modulus and volume resistivity. It has been found that nonlinear viscoelastic properties of entanglement and filler dispersed polymeric systems originate with ruptures in entanglement and filler networks. In addition, microphase separation structures of model graft copolymers have been studied.

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© 2008 The Society of Rheology, Japan
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