| 摘要 |
The invention relates to a process for the preparation of neopentyl glycol by hydrogenation of hydroxypivaldehyde (HPA) in the presence of hydrogen and a hydrogenation catalyst at an elevated temperature. According to the invention, hydroxypivaldehyde is hydrogenated in the presence of a nickel-containing catalyst and at a temperature below 100° C. in a liquid phase containing a solvent an amount of 1-70% by weight and water in an amount of 0-15% by weight. Aliphatic alcohol or ether or a mixture thereof is used as solvent.
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