Preparation of starch betainate:: a novel cationic starch derivative

被引：36
作者：
Granö, H
Yli-Kauhaluoma, J
Suortti, T
Käki, J
Nurmi, K
机构：
[1] VTT Tech Res Ctr Finland, FIN-02044 VTT, Finland
[2] Raisio Chem Ltd, FIN-21201 Raisio, Finland
来源：
CARBOHYDRATE POLYMERS | 2000年 / 41卷 / 03期
关键词：
starch betainate; cationic starches; paper manufacturing;
D O I：
10.1016/S0144-8617(99)00146-0
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A novel cationic starch derivative was prepared by esterifying native potato starch with anhydrous betaine. The reaction was performed on native potato starch using betainyl chloride in refluxing 1,4-dioxane with pyridine as a nucleophilic catalyst. The product was characterized spectrometrically and its molecular weight distribution was determined. Additionally, the applicability of starch betainate for paper manufacturing was studied. The product is considered to be environmentally more friendly than the traditional cationic starch ethers currently in commercial use as it consists solely of natural and biodegradable products. (C) 2000 Elsevier Science Ltd. All rights reserved.
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页码：277 / 283
页数：7
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