Polygalactomannan ether compositions

Details Polygalactomannan ether compositions Polygalactomannan ether compositions

C - Chemistry, Metallurgy

08

B

260/225

C08B 37/00 (2006.01) C08B 37/14 (2006.01)

Patent

CA 1071193

POLYGALACTOMANNAN ETHER COMPOSITIONS ABSTRACT OF THE DISCLOSURE This invention provides novel sulfohydroxypropyl ethers of polygalactomannans having a degree of substitution between about 0.01 and 3, and further provides a process for producing sulfohydroxypropyl ethers of polygalactomannan gums by contacting solid polygalactomannan gum with 3-halo-2- hydroxypropanesulfonic acid and alkali metal hydroxide or ammonium hydroxide under alkaline conditions in an aqueous solution of water-miscible solvent.

265734

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