Gas permeation and diffusion in cross-linked poly(ethylene glycol diacrylate)

Halqing Lin; Benny D. Freeman

doi:10.1021/ma051686o

Gas permeation and diffusion in cross-linked poly(ethylene glycol diacrylate)

Halqing Lin, Benny D. Freeman

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

157 Citations (Scopus)

Abstract

The permeability of cross-linked polyethylene glycol diacrylate) (XLPEGDA) to He, H ₂, O ₂ N ₂, CO ₂, CH ₄, C ₂H ₄, C ₂H ₆, C ₃H ₆, and C ₃H ₈ was determined at temperatures ranging from -20 to +45 °C and at fugacities up to approximately 15 atm for some gases. Diffusion coefficients of CO ₂ and hydrocarbons were calculated as a function of temperature and local penetrant concentration. The effect of temperature and fugacity on permeability and diffusivity is satisfactorily described using either an activated diffusion model or a free volume-based model.

Original language	English
Pages (from-to)	3568-3580
Number of pages	13
Journal	Macromolecules
Volume	39
Issue number	10
DOIs	https://doi.org/10.1021/ma051686o
Publication status	Published - 16 May 2006
Externally published	Yes

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AB - The permeability of cross-linked polyethylene glycol diacrylate) (XLPEGDA) to He, H 2, O 2 N 2, CO 2, CH 4, C 2H 4, C 2H 6, C 3H 6, and C 3H 8 was determined at temperatures ranging from -20 to +45 °C and at fugacities up to approximately 15 atm for some gases. Diffusion coefficients of CO 2 and hydrocarbons were calculated as a function of temperature and local penetrant concentration. The effect of temperature and fugacity on permeability and diffusivity is satisfactorily described using either an activated diffusion model or a free volume-based model.

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Gas permeation and diffusion in cross-linked poly(ethylene glycol diacrylate)

Abstract

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