Title:
ラウリン油から不飽和脂肪アルコールを製造する方法
Document Type and Number:
Japanese Patent JP4554735
Kind Code:
B2
Abstract:
Production of unsaturated fatty alcohols from lauric oils by selective hydrogenation of unsaturated methyl ester fraction separated by fractional crystallisation. Production of unsaturated fatty alcohols comprises: (a) transesterifying a deacidified lauric oil with methanol to obtain a total fatty acid methyl ester mixture; (b) separating the ester mixture into a 12-16C methyl ester fraction (I) and an 18C methyl ester fraction (II) by fractional distillation, where (II) contains practically all of the unsaturated methyl esters; (c) winterizing fraction (II) by solventless fractional crystallization to remove saturated methyl esters; (d) subjecting the winterized fraction (II) to selective hydrogenation to obtain unsaturated fatty alcohols with an iodine number of 90-100; (e) purifying the unsaturated fatty alcohols by distillation; and optionally (f) blending the product with other fatty alcohols to obtain a desired iodine number.
Inventors:
Frank Witz Olek
Gerhard Konetske
Eckhardt Seifert
Gerhard Konetske
Eckhardt Seifert
Application Number:
JP6396199A
Publication Date:
September 29, 2010
Filing Date:
March 10, 1999
Export Citation:
Assignee:
De Herve Deutsche Haitliel Welke Gezershyaft Mito Besilyenktel Haftung Lautreben
International Classes:
B01J23/26; C07C29/149; C07B61/00; C07C29/78; C07C29/80; C07C33/02
Domestic Patent References:
| JP9504013A | ||||
| JP10502654A | ||||
| JP64047726A | ||||
| JP40012605B1 | ||||
| JP40027730B1 | ||||
| JP5500505A | ||||
| JP61140544A | ||||
| JP2001523654A | ||||
| JP4117498A | ||||
| JP57149400A | ||||
| JP11246888A | ||||
| JP8034758A |
Attorney, Agent or Firm:
Mitsufumi Esaki
Tsuneo Mihara
Blacksmith
Tsuneo Mihara
Blacksmith