Composition and process for making precipitated hydroxyethylcell

Details Composition and process for making precipitated hydroxyethylcell Composition and process for making precipitated hydroxyethylcell

1979-07-02

1981-01-27

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

106169, 106170, 106197R, C08B 1122, C08L 128

Patent

active

042476887

ABSTRACT:
A composition and process are provided for making precipitated hydroxyethyl cellulose by dissolving a hydroxyethyl cellulose having a molar substitution of less than 1.0, and a degree of substitution of less than about 0.64 in mixture of water and a tertiary amine oxide solvent, to provide a solution containing from about 10% to about 28% water. Shaped articles can be formed from the solutions of the invention.

REFERENCES:
patent: 2179181 (1939-11-01), Graenacher et al.
patent: 3447939 (1969-06-01), Johnson
patent: 3508941 (1970-04-01), Johnson
patent: 4145532 (1979-03-01), Franks et al.

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