Method of preparing polysaccharide ethers and apparatus

Details Method of preparing polysaccharide ethers and apparatus Method of preparing polysaccharide ethers and apparatus

1975-08-18

1977-03-29

Jacobs, Lewis T.

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

Organic compounds

Carbohydrates or derivatives

536 95, 536 97, 536 99, C08B 1100

Patent

active

040150674

ABSTRACT:
Polysaccharide ethers are prepared in a novel continuous process in which a slurry of a polysaccharide, an alkali metal hydroxide, and an etherifying agent, with or without an inert diluent, are mixed in the substantial absence of molecular or free oxygen and fed through a sinuous tubular reactor under pressure, so that the etherification reaction is continuous. The apparatus for preparing the reaction mixture is also novel.

REFERENCES:
patent: 2476331 (1949-07-01), Swinehart et al.
patent: 3278520 (1966-10-01), Klug
patent: 3314809 (1967-04-01), Klug
patent: 3351583 (1967-11-01), Bishop
patent: 3453261 (1969-07-01), Scherff
patent: 3544556 (1970-12-01), Eichenseer et al.
patent: 3615254 (1971-10-01), Eichenser et al.
patent: 3915959 (1975-10-01), Goheen et al.

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