| 季铵型低取代度阳离子淀粉的合成 |
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| 引用本文： | 王香爱.季铵型低取代度阳离子淀粉的合成[J].应用化工,2007,36(4):337-339. |
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| 作者姓名： | 王香爱 |
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| 作者单位： | 渭南师范学院,化学化工系,陕西,渭南,714000 |
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| 摘 要： | 以玉米淀粉及3-氯-2-羟丙基三甲基氯化铵(CTA)为原料,采用水法制备低取代度季铵型阳离子淀粉,讨论了醚化剂用量、NaOH用量、反应温度、反应时间等对取代度的影响。结果表明,最佳合成条件为:淀粉50 g,醚化剂用量3 g,NaOH用量为0.77 g,反应温度40℃,反应时间2 h,制备的阳离子淀粉取代度可达0.079。
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| 关 键 词： | 季铵型 阳离子淀粉 低取代度 合成 |
| 文章编号： | 1671-3206(2007)04-0337-03 |
| 修稿时间： | 2006-12-27 |
Synthesis of quaternary ammonium type low substituting degrees of cationic starch |
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| WANG Xian-gai.Synthesis of quaternary ammonium type low substituting degrees of cationic starch[J].Applied chemical industry,2007,36(4):337-339. |
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| Authors: | WANG Xian-gai |
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| Affiliation: | Department of Chemistry and Chemical Engineering, Weinan Teachers College, Weinan 714000, China |
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| Abstract: | The cationic starch of low substitution was prepared by watering process with corn starch and 3-chloro-2-hydroxypropyl-trimethyl-ammonium chloride(CTA).The effects of the amount of catalyst and NaOH,reaction temperature and reaction time on substitution were discussed.The results showed that the best conditions are:starch is 50 g,catalyst is 3 g,NaOH is 0.77 g,the reaction temperature is 40 ℃,the reaction time is 2 h,the substitution of cationic starch prepared can achieve 0.079. |
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| Keywords: | quaternary ammonium type cationic starch low substituting degree synthetic |
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