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Thermokinetic modeling of an epoxy resin I. Chemoviscosity
Author(s) -
Tajima Y. A.,
Crozier D.
Publication year - 1983
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760230404
Subject(s) - epoxy , materials science , viscosity , thermodynamics , composite material , polymer chemistry , physics
It is shown that the Williams‐Landel‐Ferry equation can be taken to describe the temperature dependence of viscosity of an amine‐cured epoxy resin. Furthermore, for this resin system, the two parameters of the W‐L‐F equation can be expressed simply as functions of hardener concentration. Since the hardener concentration decreases with advancement, and since the reaction rate equation for advancement is readily determined and known, the viscosity can be calculated over any temperature (cure) cycle.

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