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Citation: 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, 11(4): 81-84. shu

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

1.
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 30 August 1993
Available Online: 16 November 1993
Fund Project:

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 α-CH₃ groups anddegradation,The UV irradiated PTMSP membranes exhibit a higher hydrophilicity and better gas permeation properties with gas selectivity being improved.The oxygen-nitrogen separation coefficient α_o₂/N₂ increased from l.5 to 4.7,but the oxygen permeation coefficient P_o₂ decreased from 8600 to 340 barrer.
- PTMSP,
- UV irradiation,
- gas permeability,
- membrane
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