Elastomers and Composites
- Volume 33 Issue 1
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- Pages.37-43
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- 1998
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- 2092-9676(pISSN)
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- 2288-7725(eISSN)
Performance Test of Silicone Rubber Membrane by Gas Permeation Method
기체투과에 의한 Silicone Rubber Membrane의 기능성 시험
- Lee, Seung-Bum (Dept. of Chemical Engineering, Dankook University) ;
- Hong, In-Kwan (Dept. of Chemical Engineering, Dankook University)
- Published : 1998.03.31
Abstract
The permeation of gas through polymer membrane at temperatures above its glass transition, generally occurs by a solution-diffusion mechanism. This mechanism is performed by the affinity difference between polymeric materials and gas molecules, and various technologies, such as copolymerization, impregnation and so on, have been researched to improve the affinity of polymeric material for the gases. In this study, permeability and selectivity for some gases were obtained from steady-state rates of gas permeation through silicone rubber membrane which is prepared by supercritical fluid extraction method. The permeability was measured by the volumetric method proposed by Barrer. Permeability was increased generally with temperature and permeation pressure. Silicone rubber membrane shows a higher permeability to
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