在所确定的最佳反应条件下，能制备取代度为1．10的羧甲基淀粉醚。
With the determined parameters of synthesis, we can obtain CMS with high degree of substitution of 1.10 in one step carboxymethylation process.
羧甲基淀粉(CMS)是一种阴离子淀粉醚，广泛应用于医药、食品、纺织、石油钻探等领域。
Carboxymethyl starch (CMS) is a kind of anion starch ether, which is widely used in many fields such as pharmaceutical, food, textile, oil drilling industry and so on.
探讨了以异丙醇-水作溶剂，通过一次醚化，制备高取代度、高粘度羧甲基淀粉醚的最佳条件。
This paper discusses the optimum condition for preparing carboxymethyl starch with high degree of substitution and high viscosity by using the solution isopropanol-water through etherification.
用绿豆淀粉通过醚化或氧化制成羟丙基淀粉和氧化淀粉，找出最佳工艺条件，收率可达90 %以上。
Hydroxypropyl starch and oxidized starch was prepared by etherification or oxidation with green soybean starch, and the optimum production conditions was found. The yield was over 90%.
对马铃薯淀粉进行醚化改性，在改性后的淀粉中加入水、PVA、甘油等助剂，制备全淀粉热塑性塑料薄膜。
Modifying potato starch with etherification, adding water, PVA, glycerol and other assisting agent to the modificated starch to prepare all-starch thermoplastic thin film was studied.
用石油醚作为分散剂，干法制备低取代度阳离子淀粉，反应效率更高，产品更均一。
The low degree of substitution cationic starch was synthesized in dry process by using petroleum ether as dispersant. The reaction efficiency was more effective and the product was more homogeneous.
醚化及交联反应主要在淀粉的非结晶区进行，反应并未破坏淀粉颗粒。
Etherifying and cross-lining occurred mainly in the amorphous region of the starch granule, and they do not disrupt the starch granule.
在羟丙基醚化反应中淀粉发生降解，产物MS与分子量变化无明确的定量关系。
All the HPS were the mixed products, whose MS had no clearly quantitative relation to the molecular weight distribution of the solid HPS.
本文研究了以淀粉为原料合成的两种改性淀粉——淀粉甘油醚和阳离子淀粉的合成以及阳离子淀粉的应用性能。
Research on Starch glycerine ether: the synthesis methods of Starch glycerine ether have been studied, and tentatively tested its performance as oil drilling fluid loss additive.
木薯淀粉产业：30万吨木薯燃料乙醇项目、柠檬酸、赖氨酸项目，酒精乙烯、环氧乙烷、醇醚、醋酸乙酯等项目。
Cassava starch: project of Producing 300,000t Cassava Ethonel, Citric acid and Lysine, Ethene, EO, ether, acetic acid projects and so on.
淀粉-2-羟基丙基醚与氯甲基环氧乙烷的聚合物；
Starch, 2-hydroxypropyl ether, polymer with (chloromethyl)oxirane; starch, 2-hydroxypropyl ether, polymer with(chloromethyl)oxirane;
淀粉-2-羟基丙基醚与氯甲基环氧乙烷的聚合物；
Starch, 2-hydroxypropyl ether, polymer with (chloromethyl)oxirane; starch, 2-hydroxypropyl ether, polymer with(chloromethyl)oxirane;
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