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等离子体改性提高PTMSP膜氧氮选择性
ENHANCEMENT OF OXYGEN-NITROGEN PERMSELECTIVITY OF PTMSP MEMBRANES BY PLASMA TECHNIQUE
【摘要】 <正> 膜材料中迄今以聚三甲基硅基丙炔(PTMSP)的透气速率最大,其氧透过速率比PDMS高一个数量级,但氧氮分离系数小,透气性不稳定。改性PTMSP,以提高其透气选择性和透气速率稳定性引起人们的极大关注。本文报道,在外极管式电容耦合反应器中,
【Abstract】 PTMSP membranes were modified by plasma technigue in the presence of hexamethyldisiloxane.The oxygen permeation rate Po2 and oxygen-nitrogen separation coefficient αO2/N2 of the modified membranes were 1590 barrer and 3.16, respectively.
【关键词】 PTMSP;
等离子体改性;
氧氮选择性;
二硅氧烷;
【Key words】 PTMSP; plasma modification; oxygen-nitrogen permselectivity; disiloxane;
【Key words】 PTMSP; plasma modification; oxygen-nitrogen permselectivity; disiloxane;
- 【文献出处】 应用化学 ,Chinese Journal of Applied Chemistry , 编辑部邮箱 ,1992年03期
- 【被引频次】1
- 【下载频次】67