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.
郃成了陽離子澱粉竝對其糊液粘度進行了測定。探討了陽離子澱粉的糊液粘度與其取代度和性能的相互關系。
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.
用玉米澱粉、氯乙酸和氫氧化鈉爲原料，在乙醇溶劑中反應制備了取代度爲0．6的羧甲基澱粉。
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.
在堿性條件下，蠟質玉米澱粉與十二烯基琥珀酸酐（DDSA）反應可制得較高黏度、適宜取代度（DS）的酯化澱粉。