Process for the dry cationization of galactomannans

Details Process for the dry cationization of galactomannans Process for the dry cationization of galactomannans

C - Chemistry, Metallurgy

08

B

260/225

C08B 37/18 (2006.01) C08B 37/00 (2006.01)

Patent

CA 1309090

ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the dry cationization of galactomannans by reaction with alkylene epoxides in an alkaline medium in the presence of water at 5 to 60°C and in the presence of a finely divided hydrophilic silica. In this process stirring energy need only be applied for a short period and the cationized galactomannans can be further processed without any after treatment, such as screening and drying.

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