Preparation of polyoxyalkylene glycol monoesters of monocarboxyl

Details Preparation of polyoxyalkylene glycol monoesters of monocarboxyl Preparation of polyoxyalkylene glycol monoesters of monocarboxyl

1994-05-31

1997-08-19

Conrad, Joseph

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560240, 568606, 568607, 568616, 568617, C07C 4101, C07C 4102

Patent

active

056590687

ABSTRACT:
Polyoxyalkylene glycol monoesters of carboxylic acids are prepared by a process in which tetrahydrofuran or a mixture of tetrahydrofuran with a total of not more than 95 mol %, based on the amount of tetrahydrofuran used, of one or more comonomers from the group consisting of the cyclic ethers and acetals is polymerized in the absence of water and in the presence of a carboxylic acid and of an anhydrous heteropolyacid catalyst.

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patent: 4291101 (1981-09-01), Tanizaki et al.
patent: 4482411 (1984-11-01), Stephens et al.
patent: 5416240 (1995-05-01), Weyer et al.
Topics in Current Chemistry, 76 (1978).
T. and L. Shedlovsky in A. Weissberger, B.W. Rossiter (Ed.): Techniques of Chemistry, vol. I (1971) pp. 163-204.
Makromol. Chem. 190 (1989) p. 929.

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