Process for the dry cationization of starch

Details Process for the dry cationization of starch Process for the dry cationization of starch

C - Chemistry, Metallurgy

08

B

260/221.2

C08B 31/00 (2006.01) C08B 31/12 (2006.01)

Patent

CA 1309089

ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the dry cationization of starch by reaction with alkylene epoxides in an alkaline medium in the presence of water. The reaction is carried out at 5 to 40°C in the presence of a finely divided hydrophilic silica and alkai metal silicates and/or alkali metal aluminates or of a mixture of alkali or alkaline earth metal hydroxides or oxides and alkali metal carbonates or a mixture of one or several of these hydroxides, oxides or carbonates with an alkali metal silicate and/or alkali metal aluminate.

574044

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