建立复合食品包装袋中二氨基甲苯气相色谱-质谱测定方法。
The GC-MS method for detection diaminomethylbezen in complex for food packaging material was established.
以对甲苯磺酸为催化剂,对二甲氨基苯甲酸和异丁醇为原料合成对二甲氨基苯甲酸异丁酯。
Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.
对反应原料中甲醇的含量对甲苯2,4二氨基甲酸甲酯收率的影响进行了计算。
The effect of methanol content in the raw material on the yield of TDC is investigated.
由邻甲苯胺和甲醛水溶液反应合成得到了高纯度的3,3 -二甲基-4,4 -二氨基二苯甲烷(MDT),并对其性能进行了表征。
The polyimide monomer of 3,3 -dimethyl-4,4 -diaminodiphenylmethane(MDT)was synthesized through the reaction between O-methyl aniline and aqueous formaldehyde solution.
由邻甲苯胺和甲醛水溶液反应合成得到了高纯度的3,3 -二甲基-4,4 -二氨基二苯甲烷(MDT),并对其性能进行了表征。
The polyimide monomer of 3,3 -dimethyl-4,4 -diaminodiphenylmethane(MDT)was synthesized through the reaction between O-methyl aniline and aqueous formaldehyde solution.
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