Studies on UV Irradiation of Poly [1-(trimethylsilyl)-propyne](PTMSP) I.UV Irradiation of PTMSP Homogeneous Membrane in Air

Chinese Journal of Applied Chemistry ›› 1994, Vol. 0 ›› Issue (4): 81-84.

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Studies on UV Irradiation of Poly [1-(trimethylsilyl)-propyne](PTMSP) I.UV Irradiation of PTMSP Homogeneous Membrane in Air

Qiu Xuepeng, Zheng Guodong, Xu Guanfan, Zhang Xiaodong, Xing Jing, Wen Jiumian, Zhang Jinlan, Xu Jiping

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun l30022

Received:1993-08-30 Revised:1993-11-16 Published:1994-08-10 Online:1994-08-10

Abstract

Abstract: rradiation of the PTMSP homogeneous membranes by UV light(253.7nm)in air caused Oxidation of the membrane surface,elimination of -Si(CH₃)₃ and a-CH₃ groups and degradation,The UV irradiated PTMSP membranes exhibit a higher hydrophilicity and better gas permeation properties with gas selectivity being improved. The oxygen-nitrogen separation coefficient a_o₂/N₂ increased from l.5 to 4.7, but the oxygen permeation coefficient P_o₂ decreased from 8600 to 340 barrer.

Key words: PTMSP, UV irradiation, gas permeability, membrane

Qiu Xuepeng, Zheng Guodong, Xu Guanfan, Zhang Xiaodong, Xing Jing, Wen Jiumian, Zhang Jinlan, Xu Jiping. Studies on UV Irradiation of Poly [1-(trimethylsilyl)-propyne](PTMSP) I.UV Irradiation of PTMSP Homogeneous Membrane in Air[J]. Chinese Journal of Applied Chemistry, 1994, 0(4): 81-84.

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Studies on UV Irradiation of Poly [1-(trimethylsilyl)-propyne](PTMSP) I.UV Irradiation of PTMSP Homogeneous Membrane in Air

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