Methods of investigations baromechanical method of studying the state of polymers

A baromechanical method was proposed for the study of mechanical properties and the physical state of polymers, according to the pressure of gas or vapour to be absorbed, which is based on determining deformation while subjecting the sample to variable stress at different pressures. The method enabl...

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Bibliographic Details
Published in:Polymer science USSR 1980, Vol.22 (9), p.2358-2361
Main Authors: Belyakov, V.K., Smirnov, S.I., Karachevtsev, V.G., Bondar', V.I., Semenova, S.I.
Format: Article
Language:English
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Summary:A baromechanical method was proposed for the study of mechanical properties and the physical state of polymers, according to the pressure of gas or vapour to be absorbed, which is based on determining deformation while subjecting the sample to variable stress at different pressures. The method enables physical transitions to be detected in polymers, which are in sorption equilibrium with a given gas or vapour atmosphere, and limits of operating pressure to be determined over which the polymer may be employed. Baromechanical curves are shown for a number of polymers in ammonia.
ISSN:0032-3950
1878-268X
DOI:10.1016/0032-3950(80)90105-7