四甲基乙二胺

过硫酸盐-N，N，N′，N′-四甲基乙二胺体系引发乙烯基类单体聚合动力学的研究

Studies on the kinetics of vinyl polymerization initiated with peroxydisulfate and n , n , n ' , n ' - tetramethylethylenediamine system

室温下三碳酸二叔丁酯在四甲基乙二胺催化作用下放出一分子CO2，制得双碳酸二叔丁酯。

One molecular CO2 is set off from Di-tert-butyl tricarbonate by catalysis of TMEDA at room temperature .

过硫酸铵-N，N，N′，N′-四甲基乙二胺体系产生的氧自由基及其清除的研究

Studies on generation and scavenging of oxygen radicals in the system of ammonium persulfate - n , n , n ' , n ' - tetramethyl Ethylenediamine

以N，N，N，′N′-四甲基乙二胺-过硫酸钾为氧化-还原引发体系，用水相沉淀聚合法合成了超高相对分子质量的聚醋酸乙烯（PVAc）。

Using N , N , N ′, N ′ - tetramethylethylenediamine and potassium persulphate as a redox initiation system , high molecular weight poly ( vinyl acetate )( PVAc ) was synthesized by aqueous deposited polymerization .

以n-BuLi/TMEDA（四甲基乙二胺）为金属化试剂，环己烷为溶剂，研究了1,2-结构和1,4-结构分别为98%和92%的聚丁二烯（PB）在70℃时的锂化反应动力学。

The kinetics of lithiation for polybutadiene ( PB ) with 1,2-and 1,4-units contents of 98 % and 92 % , respectively , was investigated at 70 ° C , by using n-BuLi / TMEDA ( tetramethylethanediamine ) as metallizing reagent and cyclohexane as solvent .

以天然松香、四甲基乙二胺、环氧氯丙烷为原料，制备出松香基吉米奇（Gemini）季铵盐，成盐最佳温度80℃，酯化最佳温度140℃。

The rosin-base Gemini quaternary ammonium salt was synthesized with natural rosin , tetramethyl-ethylenediamine and epoxy chloropropane as raw materials . The optimum temperature of salt forming was 80 ℃ and the optimum temperature of esterification is 140 ℃ .

本研究以菊粉、甲基丙烯酸缩水甘油酯（GMA）、四甲基乙二胺（TMEDA）和活性染料为主要原料，通过接枝聚合制备菊粉凝胶，再经染色，制成不溶性呈色菊粉。

Insoluble chromogenic inulin gel was made through graft polymerization and staining with inulin , Glycidyl methacrylate ( GMA ) , tetramethylethylenediamine ( TMEDA ) and active dye .

结果表明，乙二胺、四甲基乙二胺和二乙烯三胺3种吸收剂具有较大的吸收容量和较高的脱硫率。

The results showed that ethylenediamine , tetramethylethylenediamine and diethylenetriamine have higher absorption capacity and better efficiency .