STUDIES ON HIGH PERMSELECTIVE GAS SEPARATION MEMBRANE OF SULFUR DIOXIDE Ⅳ. PERMEABILITY OF VARIOUS ALKYL VINYL SULFOXIDES GRAFTED POLY(VINYL ALCOHOL)MEMBRANES

SHEN Zhi-quan; ZHANG Yi-feng; JIANG Dong-lin

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STUDIES ON HIGH PERMSELECTIVE GAS SEPARATION MEMBRANE OF SULFUR DIOXIDE Ⅳ. PERMEABILITY OF VARIOUS ALKYL VINYL SULFOXIDES GRAFTED POLY(VINYL ALCOHOL)MEMBRANES

Research Article | 更新时间：2021-03-19

- STUDIES ON HIGH PERMSELECTIVE GAS SEPARATION MEMBRANE OF SULFUR DIOXIDE Ⅳ. PERMEABILITY OF VARIOUS ALKYL VINYL SULFOXIDES GRAFTED POLY(VINYL ALCOHOL)MEMBRANES
- Acta Polymerica Sinica Issue 4, Pages: 404-408(1995)
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- Published：20 August 1995，
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SHEN Zhi-quan, ZHANG Yi-feng, JIANG Dong-lin. STUDIES ON HIGH PERMSELECTIVE GAS SEPARATION MEMBRANE OF SULFUR DIOXIDE Ⅳ. PERMEABILITY OF VARIOUS ALKYL VINYL SULFOXIDES GRAFTED POLY(VINYL ALCOHOL)MEMBRANES. [J]. Acta Polymerica Sinica (4):404-408(1995)
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SHEN Zhi-quan, ZHANG Yi-feng, JIANG Dong-lin. STUDIES ON HIGH PERMSELECTIVE GAS SEPARATION MEMBRANE OF SULFUR DIOXIDE Ⅳ. PERMEABILITY OF VARIOUS ALKYL VINYL SULFOXIDES GRAFTED POLY(VINYL ALCOHOL)MEMBRANES. [J]. Acta Polymerica Sinica (4):404-408(1995) DOI：

摘要

研究了不同烃基乙烯基亚砜接枝聚乙烯醇（ＰＶＡ－ＲＶＳＯ，Ｒ＝Ｍｅ，Ｅｔ，ｔ－Ｂｕ，Ｐｈ）膜对纯ＳＯ２、Ｎ２的透过性能以及ＳＯ２／Ｎ２混合气体的分离性能．结果表明上述膜对ＳＯ２具有高的选择性．对不同烃基乙烯基亚砜接枝膜进行了比较．

Abstract

our kinds of alkyl vinyl sulfoxides(RVSO

R = Me

t-Bu

Ph)were synthesized and reacted with poly(vinyl alcohol) in the presence of alkali catalyst by the Michael addition reaction to prepare alkyl vinyl sulfoxide grafted poly(vinyl alcohol)(PVA-RVSO). Permeabilities of various alkyl vinyl sulfoxide grafted poly (vinyl alcohol) membranes for pure SO2

and SO2-N2 mixture gas were studied. The results showed that the membranes exhibited high permeability and selectivity for SO2

SO2

permeability and separation factor of these polymer memberanes increased markedly as the size of the alkyl group of vinyl sulfoxide increased. The effects of sulfoxide content of the polymer and the pressure on the SO2 permselectivity of the membranes also were examined.

关键词

二氧化硫乙烯基亚砜聚乙烯醇分离膜选择透过性

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STUDY ON EFFICIENT PERMSELECTIVE GAS SEPARATION MEMBRANE FOR SULFUR DIOXIDE II. SEPARATION CHARACTERISTICS OF MEMBRANE FROM POLY(VINYL ALCOHOL) MODIFIED WITH PROPYL VINYL SUFOXIDE

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