Title:
PRODUCTION METHOD FOR POLYALCOHOL
Document Type and Number:
WIPO Patent Application WO/2023/140165
Kind Code:
A1
Abstract:
According to the present invention, a production method for a polyalcohol involves distillation refining a crude reaction liquid obtained by performing a reduction reaction on a starting material that is a polyaldehyde that has an alicyclic structure in the presence of a hydrogenating catalyst and hydrogen, the distillation refining being performed after the metal element content of the crude reaction liquid is at or below 30 mass ppm and preferably at or below 10 mass ppm.
Inventors:
TASHIMA NAOTO (JP)
SUNAMI KAZUAKI (JP)
HINOISHI HIROKI (JP)
SUNAMI KAZUAKI (JP)
HINOISHI HIROKI (JP)
Application Number:
PCT/JP2023/000562
Publication Date:
July 27, 2023
Filing Date:
January 12, 2023
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C07C29/141; C07B61/00; C07C29/76; C07C29/80; C07C35/37
Foreign References:
| JP2001172214A | 2001-06-26 | |||
| JP2013512293A | 2013-04-11 | |||
| JP2013501035A | 2013-01-10 | |||
| JP2000007595A | 2000-01-11 | |||
| JP2010235516A | 2010-10-21 | |||
| JP2001010999A | 2001-01-16 | |||
| JPH1112209A | 1999-01-19 | |||
| JPH1180056A | 1999-03-23 | |||
| JP2002284771A | 2002-10-03 | |||
| JP2006514087A | 2006-04-27 | |||
| JPH02188540A | 1990-07-24 |
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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