Method for manufacturing high-cationic starch solutions

作者: Antti Likitalo , Jouko Kaki

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摘要: The invention relates to a method for producing starch solutions of high cation equivalent value (with DS 0.1 - 1.0). be cationized, advantageously an oxidized starch, is slurried form suspension about 10 80 % solids content in aqueous mixture cationizing agent. In the cationization 2,3-epoxypropyltrimethylammonium chloride or chlorohydrin-functional agent used by 90 1100 g per kg solids, and catalyst added slurry. reaction carried out at 40 %, preferably 50 60 least two successive steps, first which temperature 5 °C maintained, second step 70 180 °C.