2,4-二氯甲苯生产工艺的改进 关键词： 2; 4-二氯甲苯; 生产工艺; 改进; 氯化; 精馏[gap=771]Key words： 2; 4-dichlorotoluene; synthesis process; improvement; chloration; rectification
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... tolidine 二甲基二氨基联苯 toluene dichloride 二氯甲苯 toluene diisocyanate 二异氰酸甲苯 ...
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聚对二氯甲苯 Dichlorodi-p-xylylene
二氯甲苯磺酰胺 Dichloramine-T
二氯苯基二甲脲 DCMU
对氯间二甲苯酚 PCMX ; P-chloro-m-xylenol
二氯甲苯磺醯胺 Dichloramine-T
二氯甲基苯 benzyl bichloride ; benzylene chloride ; benzal chloride ; xylylenechloride
二苯氯甲烷 Chlorodiphenylmethane ; diphenylchloromethane ; Benzhydryl chloride ; dibenzene
氯二苯甲酮 Chlorobenzophenone ; DACBP
The main results were as follows:1.1g boric acid, 108g phenol, 52.6g 96% H2SO4 reflux for 2.5h in 480g toluene dichloride, addition time of phenol 10min at temperature 80～85℃.
以二氯甲苯为溶剂较好的合成工艺为:1.1g硼酸存在下,108g苯酚与52.6g 96%硫酸在480g二氯甲苯中回流2.5h,10min内80～85℃下滴加苯酚。
参考来源 - 二羟基二苯砜显色剂合成的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
研究了用无溶剂重结晶法提纯2 ，6 二氯甲苯。
Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.
间苯二酚水溶液与三氯甲苯反应可制备紫外线吸收剂UV—214。
UV absorber, UV -214 can be prepared by reading resorcinol with benzotrichloride in water.
采用循环伏安法研究了不同电极上在1，2-二氯乙烷溶液中邻甲苯胺的电子转移性质。
We have investigated the electron-transfer properties of o-toluidine in 1 , 2-dichloroethane in different electrode with cyclic voltammetry.
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