Swelling and glass transition relations for epoxy matrix material in humid environments
- 1 June 1978
- journal article
- research article
- Published by Wiley in Journal of Applied Polymer Science
- Vol. 22 (6) , 1643-1654
- https://doi.org/10.1002/app.1978.070220615
Abstract
An experimental investigation has established coherent data sets describing effects of moisture absorption upon swelling and glass transition of an epoxy resin. Equilibrium moisture absorption levels and resultant swelling can be represented by power law functions of relative humidity and quantity of absorbed moisture, respectively. Depression of glass transition temperature is shown to be described by a relationship derived from free‐volume theory.Keywords
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