Gas transport in glassy polymers | Zendy

Vieth W. R. | Zendy; Eilenberg J. A. | Zendy

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Gas transport in glassy polymers

Author(s) -

Vieth W. R.,

Eilenberg J. A.

Publication year - 1972

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1972.070160414

Subject(s) - polycarbonate , sorption , polymer , polystyrene , diffusion , kinetics , materials science , polymer chemistry , permeation , work (physics) , membrane , chemical engineering , thermodynamics , chemistry , organic chemistry , composite material , adsorption , biochemistry , physics , quantum mechanics , engineering

Sorption kinetics and equilibria for CO 2 in polycarbonate were studied over a range of temperatures from 35° to 65°C and pressures from 3 to 22 atm. The dual mode sorption model of Vieth et al. was used to test the data, and a comparison was made with previous work on glassy polystyrene. Further evidence of the validity of generality of the model in providing a consistent picture of small‐molecule diffusion in glassy polymers was thereby provided. The technical feasibility of membrane separation of H 2 from a H 2 /CO 2 mixture by selective permeation through polycarbonate was examined at 50°C.

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