Citation: ZHENG Guodong, T. Nakagawa, A. Higuchi, K. Nagai. GAS PERMEABILITY OF COPOLY(1-TRIMETHYL-SILYL-1-PROPYNE-PENTAMETHYL-DISILYL-1-PROPYNE) MEMBRANE[J]. Chinese Journal of Polymer Science, ;1992, 10(3): 203-209. shu

GAS PERMEABILITY OF COPOLY(1-TRIMETHYL-SILYL-1-PROPYNE-PENTAMETHYL-DISILYL-1-PROPYNE) MEMBRANE

Received Date: 19 September 1990

The permeability of copoly (1-trimethylsilyl-1-propyne-pentamethyldisilyl-1-propyne) membrane for twelve gases (02, N2, CO2, H2, D2, He, At, CH4, C2H4, C2H6, C3H6 and C3H8) was examined. The basic laws of solution and diffusion of the gases in the membrane were expounded preliminarily. It was found that a linear relationship between logarithm of diffusion coefficient (D) and critical molar volume (Vc) of the gases. The permeation characteristics of the gases in the copoly (1-trimethylsilyl-1-propyne-pentamethyldisilyl-propyne) membrane was also discussed.
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