degree of substitution ds

基本解释

In this paper, the degree of substitution (DS)and reaction conditions variables on the viscosity of cationic starch pastes was studied.
合成了阳离子淀粉并对其糊液粘度进行了测定。探讨了阳离子淀粉的糊液粘度与其取代度和性能的相互关系。
Carboxymethyl starch with degree of substitution(DS)0 6 has been made from corn starch, chloroacetic acid and sodium hydroxide, and with ethyl alcohol as solvent.
用玉米淀粉、氯乙酸和氢氧化钠为原料，在乙醇溶剂中反应制备了取代度为0．6的羧甲基淀粉。
Dodecenly succinic anhydride(DDSA) waxy corn starches with paste top viscosity and degree of substitution(DS) were prepared by the base catalyzed reaction with starch granular in aqueous slurry.
在碱性条件下，蜡质玉米淀粉与十二烯基琥珀酸酐（DDSA）反应可制得较高黏度、适宜取代度（DS）的酯化淀粉。