Title:
METHOD FOR MANUFACTURING DIMETHYLOLBUTANAL AND METHOD FOR MANUFACTURING TRIMETHYLOLPROPANE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/085613
Kind Code:
A1
Abstract:
A method for manufacturing dimethylolbutanal according to an embodiment of the present application comprises a process of subjecting n-butyl aldehyde (n-BAL) and paraformaldehyde (PFA) to an aldol reaction in the presence of water and an alkylamine catalyst, wherein the weight ratio of the paraformaldehyde to water is 1 : (0.35-0.85).
Inventors:
CHOI MIN JI (KR)
EOM SUNGSHIK (KR)
JUNG DAWON (KR)
KIM TAE YUN (KR)
KO DONG HYUN (KR)
KIM MI YOUNG (KR)
EOM SUNGSHIK (KR)
JUNG DAWON (KR)
KIM TAE YUN (KR)
KO DONG HYUN (KR)
KIM MI YOUNG (KR)
Application Number:
PCT/KR2019/008471
Publication Date:
April 30, 2020
Filing Date:
July 10, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B01J31/02; C07C45/45; C07C29/14; C07C31/20; C07C45/80; C07C47/19
Foreign References:
| KR20180047257A | 2018-05-10 | |||
| KR20150118808A | 2015-10-23 | |||
| KR20170029311A | 2017-03-15 | |||
| KR20090098917A | 2009-09-17 | |||
| KR20150113121A | 2015-10-07 | |||
| US5763690A | 1998-06-09 | |||
| KR20180125970A | 2018-11-26 |
Other References:
See also references of EP 3757087A4
Attorney, Agent or Firm:
CHUNG, Soon-Sung (KR)
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