• 实验结果表明电解电流效率甲基苯甲醛、间甲基苯甲醛合成产率超声的参与有10 %左右的提高

    The experimental results indicated that the current efficiency of electrolysis and the yields of o-, m-, p-methylbenzaldehydes were promoted about 10% under ultrasound irradiation.

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  • 研究了强碱氢氧化钾加入溶剂等对反应影响发现随着碱浓度增加硝基转化率增加,硝基苯甲醛的收率先增后降。

    The effect of strong base, KOH, was studied and it was found that the conversion of o-nitrotoluene increased if the amount of KOH increased.

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  • 羟基处于醛基对位甲醛与几种乙酮衍生物的缩合,多数没有得到预期的产物,收率极低;乙酮的羟基对缩合反应影响很大,羟基越多,缩合越困难。

    The groups in ring of benzaldehydes, no matter they are electron withdrowing or electron donating except of hydroxy, do not seem to have much effect on the yield.

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  • 研究了稀碱催化下羟基乙酮苯甲醛在乙醇溶液中的羟醛缩合反应,溶剂可以循环使用,适合工业化生产

    During the condensation reaction, the feedstock remaining after reaction can be recycled, and this synthesis route was suitable for the commercial production.

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  • 甲醛水溶液反应合成得到了高纯度3,3 -二甲基-4,4 -二氨基二甲烷(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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  • 甲醛水溶液反应合成得到了高纯度3,3 -二甲基-4,4 -二氨基二甲烷(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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