Abstract
A structural model for a glassy polymer deformed in an adsorption-active medium has been constructed. The principal feature of such polymers is the development in them of specific micro-cracks which have a highly dispersed structure. According to the model, the polymeric fibrils linking the edges of the micro-cracks can be represented as thermodynamically independent fragments capable of forming intra- or interfibrillar coalescence contacts. With the assumption that the polymer's reversible strain depends on the imposed stress, a relationship has been obtained between the specimen's macroscopic length and the external load. Comparison with experimental data shows that the relationship obtained describes the polymer's mechanical behaviour well over the entire range of stresses used.
Published Version
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