Hysteresis effects for sorption in glassy polymers

J. S. Vrentas; Christine Mary Vrentas

doi:10.1021/ma950969l

Hysteresis effects for sorption in glassy polymers

J. S. Vrentas, Christine Mary Vrentas

Chemical Engineering

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

72 Scopus citations

Abstract

A theory based on taking into account structural rearrangements of the polymer matrix is used to analyze hysteresis effects that have been observed during a penetrant absorption - desorption cycle in a glassy polymer. A previously developed theoretical description for the absorption process is used as a basis for developing equations describing volumetric and isotherm data for the desorption process. A different sample history is used for desorption experiments, and this difference in sample history leads to different volumetric and sorption behavior. The theoretical predictions are compared with volumetric and isotherm data for the glassy polycarbonate - carbon dioxide system.

Original language	English (US)
Pages (from-to)	4391-4396
Number of pages	6
Journal	Macromolecules
Volume	29
Issue number	12
DOIs	https://doi.org/10.1021/ma950969l
State	Published - Jun 3 1996

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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10.1021/ma950969l

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AU - Vrentas, Christine Mary

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AB - A theory based on taking into account structural rearrangements of the polymer matrix is used to analyze hysteresis effects that have been observed during a penetrant absorption - desorption cycle in a glassy polymer. A previously developed theoretical description for the absorption process is used as a basis for developing equations describing volumetric and isotherm data for the desorption process. A different sample history is used for desorption experiments, and this difference in sample history leads to different volumetric and sorption behavior. The theoretical predictions are compared with volumetric and isotherm data for the glassy polycarbonate - carbon dioxide system.

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JF - Macromolecules

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Hysteresis effects for sorption in glassy polymers

Abstract

All Science Journal Classification (ASJC) codes

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