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以甲基丙烯酸甲酯(MMA)和N,N-二甲基乙二胺(DMEDA)为主要原料、二月桂酸二丁基锡为催化剂,合成了一种新型功能单体甲基丙烯酰胺乙基二甲基胺(MAEDA)。通过单因素试验和正交试验优选出MAEDA合成的最佳条件,并采用红外光谱(FT-IR)、核磁共振(1H-NMR、13C-NMR)光谱和元素分析等手段对产物结构进行了表征。研究结果表明:合成MAEDA的最佳条件为n(MMA)∶n(DMEDA)=2∶1,w(二月桂酸二丁基锡)=2%(相对于总料液而言),95~100℃反应4h;在最佳合成条件下,MAEDA的收率可达到94%以上。在传统厌氧胶配方中,加入w(MAEDA)=5.0%(相对于厌氧胶而言),制取的新型单组分厌氧胶对铜、铁、铝、锌、不锈钢和非金属等材质均具有较快的固化速率和良好的粘接性能,并且稳定性良好。
Using methyl methacrylate (MMA) and N, N-dimethylethylenediamine (DMEDA) as main raw materials and dibutyltin dilaurate as catalyst, a new functional monomer, methacrylamide, ethylbis Methylamine (MAEDA). The optimum conditions of MAEDA synthesis were optimized by single factor test and orthogonal experiment. The structure of MAEDA was characterized by FT-IR, 1H-NMR and 13C-NMR spectra and elemental analysis . The results showed that the optimum conditions for the synthesis of MAEDA were as follows: n (MMA): n (DMEDA) = 2:1, w (dibutyltin dilaurate) = 2% The reaction 4h; under the best synthetic conditions, MAEDA yield can reach 94%. In the traditional anaerobic adhesive formula, adding w (MAEDA) = 5.0% (compared with anaerobic adhesive), the preparation of new single-component anaerobic adhesive copper, iron, aluminum, zinc, stainless steel and non-metallic Material has a faster cure rate and good adhesion properties, and good stability.