A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.
研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。
A new process to synthesize choline chloride by using macroporous strong basic anion-exchange resin as catalyst and chloroethanol and trimethylamine as raw materials is introduced.
研究了以大孔强碱阴离子交换树脂为催化剂，氯乙醇和三甲胺为原料，合成氯化胆碱的新工艺。
A phenolic resin was synthesized from bisphenol a and aqueous formaldehyde in the presence of basic catalyst.
以双酚a，甲醛水溶液为原料，在碱性催化剂的作用下，合成双酚a型甲阶酚醛树脂。
Respectively using barium hydroxide and a basic anion exchanger as a catalyst, 2, 2-bis (hydroxymethyl) butyraldehyde is prepared from the Aldol condensation of butyraldehyde with formaldehyde.
在碱性催化剂的存在下，甲醛和丁醛经羟醛缩合反应合成2,2—二羟甲基丁醛。
The forming expanding agent is a mixture of basic cupric zinc carbonate and aluminum hydroxide, and the copper-based catalyst comprises oxides of cupric, zinc and aluminous.
所述成型扩孔剂为碱式碳酸铜锌和氢氧化铝的混合物，所述铜基催化剂包含铜、锌、铝的氧化物。
The forming expanding agent is a mixture of basic cupric zinc carbonate and aluminum hydroxide, and the copper-based catalyst comprises oxides of cupric, zinc and aluminous.
所述成型扩孔剂为碱式碳酸铜锌和氢氧化铝的混合物，所述铜基催化剂包含铜、锌、铝的氧化物。
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