SELECTIVE HYDROGENATION OF MULTI-UNSATURATED FATTY-ACIDS IN THE LIQUID-PHASE

被引:32
作者
BEHR, A
DORING, N
DUROWICZHEIL, S
ELLENBERG, B
KOZIK, C
LOHR, C
SCHMIDKE, H
机构
来源
FETT WISSENSCHAFT TECHNOLOGIE-FAT SCIENCE TECHNOLOGY | 1993年 / 95卷 / 01期
关键词
D O I
10.1002/lipi.19930950103
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Fatty acids and esters which contain only one double bond have interesting properties such as high oxidation stability or favourable pour points. For these reasons such products find a broad field of application for instance in the sections cosmetics, textile finishing agents or oilfield chemicals. However, natural fats and oils contain often multi-unsaturated fatty acids such as linoleic and linoleinic acid which are able - even in minor amounts - to change substantially the physical and chemical properties of the fatty material. Therefore, a hydrogenation procedure is needed which enables the selective conversion of multi-unsaturated into mono-unsaturated fatty acids without formation of completely saturated compounds. After a review of the general possibilities in selective hydrogenation a new method is described to hydrogenate with solvent-stabilized palladium colloid catalysts. A remarkable high selectivity was obtained applying very mild reaction conditions. By use of the liquid-liquid two phase technique an easy and complete catalyst recycle is possible.
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页码:2 / 11
页数:10
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