DEVELOPMENT OF A CATALYST FOR SOLUTION OF POLY(VINYL ALCOHOL) IN NON-AQUEOUS MEDIUM

Prafulla Chetri; Narendra Nath Dass; Neelotpal Sen Sarma

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DEVELOPMENT OF A CATALYST FOR SOLUTION OF POLY(VINYL ALCOHOL) IN NON-AQUEOUS MEDIUM

Papers | Updated：2021-06-21

- DEVELOPMENT OF A CATALYST FOR SOLUTION OF POLY(VINYL ALCOHOL) IN NON-AQUEOUS MEDIUM
- Vol. 26, Issue 4, Pages: 399-404(2008)
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- Published：20 July 2008
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Prafulla Chetri, Narendra Nath Dass, Neelotpal Sen Sarma. DEVELOPMENT OF A CATALYST FOR SOLUTION OF POLY(VINYL ALCOHOL) IN NON-AQUEOUS MEDIUM[J]. 2008, 26(4): 399-404.
DOI：

Prafulla Chetri, Narendra Nath Dass, Neelotpal Sen Sarma. DEVELOPMENT OF A CATALYST FOR SOLUTION OF POLY(VINYL ALCOHOL) IN NON-AQUEOUS MEDIUM[J]. 2008, 26(4): 399-404. DOI：

摘要

Chloro ethane dimethyl sulfoxide

C2H5Cl·DMSO (ECl·DMSO) was prepared by interaction of acrylic acid with conc. Hydrochloric acid in dimethyl sulfoxide (DMSO) and subsequent decarboxylation with H2O2 solution. The formation of the compound was confirmed by spectral and analytical methods; the molecular weight was determined by cryoscopic method. The solubility of poly(vinyl alcohol) (PVA) in different solvents or mixed solvents at 40οC

50οC and 60οC temperature in the presence of 0.01% of ECl·DMSO was determined. It turned out that ECl·DMSO helps dissolution of PVA

and is very effective catalyst in the preparation of esters and acetals of PVA.

Abstract

Chloro ethane dimethyl sulfoxide

50οC and 60οC temperature in the presence of 0.01% of ECl·DMSO was determined. It turned out that ECl·DMSO helps dissolution of PVA

and is very effective catalyst in the preparation of esters and acetals of PVA.

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