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What is High DS Cationic Starch for Dyeing about?
This document describes research into synthesizing cationic hydrolyzed starch with a high degree of substitution (DS) using a dry process for use in salt-free dyeing. Key points: - Cationic hydrolyzed starch was synthesized from maize starch using 2,3-epoxypropyltrimethylammonium chloride in a dry process. Experiments found 80°C for 1 hour with a 0.1:1 molar ratio of sodium hydroxide to cationizing reagent produced high DS. - The synthesized cationic hydrolyzed starch was characterized using IR spectrosc
- Author
- japerezle23
- Language
- EN