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.
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.
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