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。
2
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。
3
Solution polymerized styrene-butadiene rubber ( S-SBR ) was fractionated by repeated precipitation method, using redistilled toluene as solvent and ethyl alcohol as precipitant.