Synthesis of azone was carried out from azacycloheptan-2-one and 1-bromododecane using KOH as condensation agent and PEG-400 as phase transfer catalytic agent.
以氮杂环庚—2—酮和1—溴十二烷为原料合成氮酮，用氢氧化钾为反应缩合剂，PEG—400为相转移催化剂。
A called "178" brightening agent for alkaline zincate bath was prepared by condensation, quaternization.
采用缩合、季碱化及酯化反应研制了一种“178”碱性锌酸盐镀锌光亮剂。
The condensation two-component RTV-2 silicone rubber was prepared by taking 107 silicone rubber as the main raw material, TEOS as the cross-linking agent, and organic tin as catalyst.
以107硅橡胶为主要原料，正硅酸酯类为交联剂，有机锡类为催化剂，配制了缩合型双组分室温硫化(RTV - 2)硅橡胶。
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