Modified hydroxyalkyl celluloses and method of preparation

Details Modified hydroxyalkyl celluloses and method of preparation Modified hydroxyalkyl celluloses and method of preparation

1982-06-10

1984-01-03

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

252 85C, 252 85LC, 536 88, B01F 1756, C08B 1108, C08B 11193, E21B 4322

Patent

active

044243472

ABSTRACT:
A method for preparing modified hydroxyalkyl celluloses, particularly hydroxyethyl cellulose which involves adding to the reaction mixture by which hydroxyalkyl celluloses are prepared, a minor amount, in the range of 0.005 to 0.8 mols of methyl chloride or monochloroacetic acid which are additional etherification agents per mol of anydroglucose units.

REFERENCES:
patent: 3378070 (1968-04-01), Wessler et al.
patent: 3388082 (1968-06-01), Rodgers et al.
patent: 3446795 (1969-05-01), Boudreaux et al.
patent: 3448100 (1969-06-01), Callihan et al.
patent: 3709876 (1973-01-01), Glomski et al.
patent: 3839319 (1974-10-01), Greminger et al.
patent: 4084060 (1978-04-01), Glass et al.
patent: 4239629 (1980-12-01), Sauber

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