degree of substitution ds

基本解釋

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(jìn)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(guān)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(wèi)原料，在乙醇溶劑中反應(yīng)制備了取代度爲(wèi)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(zhì)玉米澱粉與十二烯基琥珀酸酐（DDSA）反應(yīng)可制得較高黏度、適宜取代度（DS）的酯化澱粉。