GB713257A - Process for treatment of alkali soaps of unsaturated fatty acids - Google Patents
Process for treatment of alkali soaps of unsaturated fatty acidsInfo
- Publication number
- GB713257A GB713257A GB13740/51A GB1374051A GB713257A GB 713257 A GB713257 A GB 713257A GB 13740/51 A GB13740/51 A GB 13740/51A GB 1374051 A GB1374051 A GB 1374051A GB 713257 A GB713257 A GB 713257A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fatty acids
- soaps
- alkali
- acids
- unsaturated fatty
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
- Detergent Compositions (AREA)
Abstract
Unsaturated fatty acids are converted into soaps of saturated fatty acids containing fewer carbon atoms in the molecule by a modification of the Varrentrapp reaction in which the alkali metal soaps of the unsaturated acids are heated with aqueous caustic alkali at temperatures above 300 DEG C., preferably 350-450 DEG C., in the presence of at least 20 per cent. of water, based on the weight of fatty acid in the original soaps. The soaps of the unsaturated fatty acids may be formed by neutralization of the acids with alkaline-reacting salts, such as sodium carbonate, in which case only one mole of caustic alkali is required theoretically for the reaction per double bond per mole of soap, but if the free fatty acids are used as starting material two moles of alkali are required theoretically per mole of an unsaturated fatty acid containing one double bond. In either case, it is preferred to use 0.25 moles excess of caustic alkali, which may be caustic soda, caustic potash or a mixture of the two. Examples are given of the treatment of a technical olein, fish blubber fatty acids and soya oil fatty acids.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE713257X | 1950-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB713257A true GB713257A (en) | 1954-08-11 |
Family
ID=6623482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13740/51A Expired GB713257A (en) | 1950-09-14 | 1951-06-11 | Process for treatment of alkali soaps of unsaturated fatty acids |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB713257A (en) |
-
1951
- 1951-06-11 GB GB13740/51A patent/GB713257A/en not_active Expired
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