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US 10,947,174 B2Granted
Method for preparing trimethylolpropane
AssigneeLG Chem, Ltd.
InventorsDawon Jung, Sungshik Eom, Tae Yun Kim, Dong Hyun Ko, Mi Young Kim, Min Ji Choi, Taewoo Kim
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Abstract
A method for preparing trimethylolpropane, the method including: subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent. During the hydrogenation reaction, a weight ratio of the alcohol solvent based to dimethylolbutanal is 2 to 10.
Claims6
A method for preparing trimethylolpropane, the method comprising:
- subjecting dimethylolbutanal to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent,
- wherein the alcohol solvent is 2-ethylhexanol,
- wherein a weight ratio of the alcohol solvent to dimethylolbutanal is 4 to 10, and
- wherein the metal catalyst is a copper-based metal catalyst.
1 more element
Dependencies are inferred from the claim text.