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Citation: Liu Futian, Yu Xianda, Cao Suqin. FACILITATION EFFECT OF MODIFIED PVA MEMBRANES ON ESTERIFICATION BY PERVAPORATION[J]. Chinese Journal of Applied Chemistry, ;1993, 10(2): 112-114. shu

FACILITATION EFFECT OF MODIFIED PVA MEMBRANES ON ESTERIFICATION BY PERVAPORATION

1.
Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou

Received Date: 9 April 1992
Available Online: 27 September 1992
Fund Project:

The sulfonated styrene-vinyl alcohol block copolymers were synthesized. The effects of the moditfied PVA membranes on the esterification of n-butanol and acetic acid were investigated. The PVA membranes were prepared from PVA, cross-linked with, decanal and Cr(Ⅲ), and heat treated PVA. The composite membrane was prepared by supporting the sulfonated styrene-vinyl alcohol copolymer on the heat-treated PVA membrane and assembled into a single reactor. The modified PVA membranes had the ability to facilitate the esterification reaction and the reactor with assembled membrane showed both the catalytic activity and facility for esterifieation.
- pervaporation membrane,
- butanol,
- acetic acid,
- esterification,
- sulfonated styrene-vinyl alcohol copolymer
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