GB474476A - Improvements in the manufacture and production of pure soaps - Google Patents
Improvements in the manufacture and production of pure soapsInfo
- Publication number
- GB474476A GB474476A GB1838636A GB1838636A GB474476A GB 474476 A GB474476 A GB 474476A GB 1838636 A GB1838636 A GB 1838636A GB 1838636 A GB1838636 A GB 1838636A GB 474476 A GB474476 A GB 474476A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- saponified
- unsaponifiable constituents
- oil
- pressure
- 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
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D13/00—Making of soap or soap solutions in general; Apparatus therefor
- C11D13/02—Boiling soap; Refining
Landscapes
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Soaps, free from unsaponifiable constituents, are made by treating a mixture of fatty acids and unsaponifiable constituents with alkali, and extracting the saponified product with an organic solvent, after removing some of the unsaponifiable constituents by distillation. Suitable initial materials are waxes, fatty oils such as sperm oil, or the oxidation products of hydrocarbons such as paraffin wax, middle oil, hydrogenated oils. The oil or fatty acid mixture is saponified with caustic soda or potash, ammonia or amines such as methylamine, diethylamine or ethanolamine. The saponification product may be distilled under reduced pressure, with or without steam. Alternatively the aqueous saponified mixture is heated to 200 to 350 DEG C. under a pressure of 50 to 150 atmospheres in a closed vessel, and then the pressure is released, e.g. by spraying the mixture, when the steam carries off the unsaponifiable constituents. The soap residue is then extracted preferably in finely divided form, with benzine, benzene, cyclohexane, acetone, methylethyl ketone, methyl formate or acetate, propyl-, isopropyl-, butyl-, or amyl-alcohol, or cyclohexanol, ether, nitrobenzene or pyridine, leaving a colourless soap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1838636A GB474476A (en) | 1936-07-02 | 1936-07-02 | Improvements in the manufacture and production of pure soaps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1838636A GB474476A (en) | 1936-07-02 | 1936-07-02 | Improvements in the manufacture and production of pure soaps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB474476A true GB474476A (en) | 1937-11-02 |
Family
ID=10111559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1838636A Expired GB474476A (en) | 1936-07-02 | 1936-07-02 | Improvements in the manufacture and production of pure soaps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB474476A (en) |
-
1936
- 1936-07-02 GB GB1838636A patent/GB474476A/en not_active Expired
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