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甲醛和异丁醛缩合加氢合成新戊二醇的研究

Wen-juan WU,Wei-zhong SUN,Cheng-yong DAI,Chun-li NING,Chun-lei ZHANG

Chemistry World（2015）

Cited 23|Views0
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Abstract
对甲醛与异丁醛(IBD)缩合制羟基新戊醛(HPA)及HPA加氢制新戊二醇(NPG)进行了研究.以有机胺为催化剂,通过反应工艺条件的优化,异丁醛与甲醛缩合反应中IBD的转化率大于99％,HPA的选择性大于96％.在HPA加氢制NPG反应中,详细考察了铜基加氢催化剂的制备工艺和反应条件对HPA加氢制NPG反应的影响.结果表明,在较优反应条件下,HPA的转化率大于99％,NPG的选择性大于97％,且加氢催化剂稳定性良好,连续运行2000 h未见明显失活.
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Key words
neopentyl glycol,formaldehyde,synthesis,hydrogenation,iso-butyraldehyde
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