Process for producing sodium carboxymethylcellulose

Details Process for producing sodium carboxymethylcellulose Process for producing sodium carboxymethylcellulose

1984-06-20

1985-06-04

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536 85, 536 87, 536 88, C08B 1120

Patent

active

045215944

ABSTRACT:
A process for producing sodium carboxymethylcellulose having an excellent dispersibility in water by heat-treating sodium carboxymethylcellulose to crosslink the same. The starting sodium carboxymethylcellulose has an equivalent ratio of the free carboxylic acid group to the sodium carboxylate of at least 0.01 to 100 and a viscosity of at least 100 cP (as a 1% aqueous solution).

REFERENCES:
patent: 2288200 (1942-06-01), Meyer
patent: 2639239 (1953-05-01), Elliott
patent: 2879268 (1959-03-01), Jullander
patent: 3379721 (1968-04-01), Reid
patent: 3723413 (1973-03-01), Chatterjee et al.
patent: 3731686 (1973-05-01), Chatterjee
patent: 4400502 (1983-08-01), Majewicz

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