Method for producing of cationic starch

C - Chemistry – Metallurgy – 08 – B

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C08B 31/12 (2006.01) D21H 17/29 (2006.01)

Patent

CA 2177145

The present invention relates to a method of producing cationic starch derivatives in water solution form, in which method the starch structure is split prior to the cationizing step. The solids of the reaction mixture during the cationizing reaction is maintained over 50 %.

La présente invention concerne un procédé pour produire des dérivés cationiques de l'amidon sous une forme hydrosoluble. Dans ce procédé, la molécule d'amidon est scindée avant l'étape de greffage des groupes cationiques. La teneur en matières solides du mélange réactionnel durant le greffage des groupes cationiques est maintenue au-dessus de 50 %.

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