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Rheology of End-Tethered Polymer Layered Silicate Nanocomposites

Krishnamoorti, Ramanan, Giannelis, Emmanuel P.·1997·Macromolecules

Abstract

The rheology of end-tethered polymer layered silicate nanocomposites is investigated using linear viscoelastic measurements in oscillatory shear with small strain amplitudes. Two systems consisting of poly(ε-caprolactone) and nylon-6 with varying amounts of layered silicate (montmorillonite) are examined. The storage ( G ‘) and loss ( G ‘‘) moduli increase at all frequencies with increasing silicate loading, consistent with previous findings with conventionally filled polymer systems. However, the power-law dependence of G ‘ and G ‘‘ in the terminal zone is different from that observed in homopolymers and decreases with increasing silicate loading. At low frequencies the rheological response becomes almost invariant with frequency, suggestive of a solid-like response. Comparisons are drawn with rheology of other intrinsically anisotropic materials, and an attempt is made to explain phenomenologically their rich-rheological behavior.

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Metadata

Authors
Krishnamoorti, R., & Giannelis, E. P.
Venue
Macromolecules
Published
1997-07-01
Volume
30
Issue
14
Pages
4097-4102
ISSN
  • 0024-9297 (ISSN-L)
  • 1520-5835
OpenAlex
W2062829152
Cited by
779
References
1
FWCI
5.34
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Rheology of End-Tethered Polymer Layered Silicate Nanocomposites. https://app.cochat.ai/papers/10.1021/ma960550a
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Krishnamoorti, R., & Giannelis, E. P. (1997). Rheology of End-Tethered Polymer Layered Silicate Nanocomposites. Macromolecules. https://doi.org/10.1021/ma960550a

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