Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯乙烷及氢氧化钠反应，以甲苯为稀释剂，用一步法成功地合成了乙基纤维素。
The synthesis of ethyl cellulose was studied by one-step method, with toluene as diluent and orthogonal test was adopted.
采用正交实验的方法，以甲苯为稀释剂，探讨了乙基纤维素一步法合成的工艺条件。
Solution polymerized styrene-butadiene rubber ( S-SBR ) was fractionated by repeated precipitation method, using redistilled toluene as solvent and ethyl alcohol as precipitant.
本工作用甲苯作溶剂，乙醇作沉淀剂，用沉淀分级法，对溶聚丁苯橡胶（S-SBR）进行了分级。
应用推荐