Glassy Relaxation at Polymer-Solid Interfaces

Arup K. Chakraborty; Paul M. Adriani

doi:10.1021/ma00035a027

Glassy Relaxation at Polymer-Solid Interfaces

Arup K. Chakraborty, Paul M. Adriani

University of California at Berkeley

Research output: Contribution to journal › Article › peer-review

57 Scopus citations

Abstract

We present a kinetic Ising model for the cooperative dynamics associated with the relaxation of adsorbed polymer chains. At low temperatures, the chain molecules are frozen in nonequilibrium conformations. Over a range of temperatures the dynamics of relaxation are found to be described by stretched exponential (KWW) functions. Average relaxation times exhibit a strongly non-Arrhenius temperature dependence.

Original language	English
Pages (from-to)	2470-2473
Number of pages	4
Journal	Macromolecules
Volume	25
Issue number	9
DOIs	https://doi.org/10.1021/ma00035a027
State	Published - 1 Apr 1992
Externally published	Yes

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abstract = "We present a kinetic Ising model for the cooperative dynamics associated with the relaxation of adsorbed polymer chains. At low temperatures, the chain molecules are frozen in nonequilibrium conformations. Over a range of temperatures the dynamics of relaxation are found to be described by stretched exponential (KWW) functions. Average relaxation times exhibit a strongly non-Arrhenius temperature dependence.",

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AB - We present a kinetic Ising model for the cooperative dynamics associated with the relaxation of adsorbed polymer chains. At low temperatures, the chain molecules are frozen in nonequilibrium conformations. Over a range of temperatures the dynamics of relaxation are found to be described by stretched exponential (KWW) functions. Average relaxation times exhibit a strongly non-Arrhenius temperature dependence.

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Glassy Relaxation at Polymer-Solid Interfaces

Abstract

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