Process for the preparation of cellulose ether derivatives

Details Process for the preparation of cellulose ether derivatives Process for the preparation of cellulose ether derivatives

1979-03-28

1981-03-03

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

241 28, 536 84, 536 86, 536101, C08B 106, C08B 108, C08B 1100, C08B 1112

Patent

active

042542588

ABSTRACT:
There is disclosed an improved process for preparing cellulose ether derivatives which in pertinent part accomplishes this by providing for the uniform distribution of caustic and etherifying reagents over the exposed area of fiberized, never-dried, non-purified natural polysaccharide materials by fluidizing said materials while simultaneously contacting the material with said reagents.

REFERENCES:
patent: 2313866 (1943-03-01), Finlayson
patent: 2510355 (1950-06-01), Waldeck
patent: 2596015 (1952-05-01), Dunwody
patent: 2982765 (1961-05-01), Grun et al.
patent: 3552457 (1971-01-01), Bos
patent: 3857833 (1974-12-01), Warzecha et al.
patent: 3914130 (1975-10-01), Newcomer
patent: 4140281 (1979-02-01), Fulghum et al.
Svensk Papperstidning NR 2, 1976, vol. 79, pp. 50-51.
McMillian, Complete Tree Utilization of Southern Pine, Aug. 1978, pp. 305-308.

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