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利用新催化体系，以水为反应介质制备羧甲基淀粉．探讨了原料配比、水的用量对产品取代度和粘度的影响，为工业化生产提出了一个可供选择的工艺路线．
The use of a new catalytic system, water as the reaction medium to prepare carboxymethyl starch. The effect of raw material ratio and water dosage on product substitution degree and viscosity was discussed, and an alternative process route for industrial production was proposed.