CH170306A - Process for the preparation of a mixture of higher molecular weight aliphatic sulfides. - Google Patents
Process for the preparation of a mixture of higher molecular weight aliphatic sulfides.Info
- Publication number
- CH170306A CH170306A CH170306DA CH170306A CH 170306 A CH170306 A CH 170306A CH 170306D A CH170306D A CH 170306DA CH 170306 A CH170306 A CH 170306A
- Authority
- CH
- Switzerland
- Prior art keywords
- mixture
- preparation
- molecular weight
- higher alkyl
- higher molecular
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Description
Verfahren zur Darstellung eines Gemisches von höhermolekularen aliphatischen Sulfiden. lin Hauptpatent 168132 ist ein Verfahren zur Darstellung eines Gemisches von höher molekularen aliphatischen Sulfiden beschrie ben worden, bei dem man ein Gemisch hö herer Alkylhalogenide, das dem durch Re duktion natürlich vorkommender Fette und Öle erhältlichen ALkoholgE-misch entspricht, mit dem Natriumsalz der Mercaptoessigsäure umsetzt.
Es wurde nun gefunden, dass man zu einem Gemisch technisch wertvoller Sulfide höherer organischer Verbindungen, die Seifen charakter besitzen, auch dadurch gelangen kann, dass man ein Gemisch der Alkaliver- bindung - höherer Alkylmercaptäne, das dem durch Reduktion natürlich vorkommender Fette und Öle erhältlichen Alkoholgemisch entspricht, finit dem Natriumsalz einer Mono halogenessigsäure behandelt.
Das neue Gemisch der Natriumsalze hö herer Alkylmercaptoessigsäuren besitzt seifen artige und emulgierende Eigenschaften. Es lässt sich unter anderem als Hilfsstoff in der Textilindustrie und als Seifenersatzstoff ver wenden.
<I>Beispiel:</I> 44 Gewichtsteile eines Gemisches höherer Alkylmercaptane, die den durch Reduktion der Cocosölfettsäuren erhältlichen Alkoholen entsprechen, werden mit einer Lösung von acht Gewichtsteilen Ätznatron in 250 Ge wichtsteilen Alkohol versetzt. Ferner werden 18,8 Gewichtsteile Monochloressigsäure in 100 Gewichtsteilen Wasser gelöst und mit einer Lösung von acht Gewichtsteilen Ätz natron in 50 Gewichtsteilen Wasser neutra lisiert. Die beiden Lösungen werden vereinigt und zusammen drei Stunden auf dem Wasser bad am Rückflusskühler erhitzt. Nach been deter Reaktion wird das Lösungsmittel auf dem Wasserbad verdampft.
Der Rückstand kann aus Alkohol umkristallisiert werden. Man erhält das Gemisch der Natriumsalze der höheren Alkylmercaptoessigsäuren als weisse Kristallmasse, die in Wasser löslich ist und gute Schaumbildung zeigt. Das neue Produkt kann als Seifenersatzstoff verwendet werden.
Process for the preparation of a mixture of higher molecular weight aliphatic sulfides. In the main patent 168132, a process for the preparation of a mixture of higher molecular weight aliphatic sulfides has been described, in which a mixture of higher alkyl halides, which corresponds to the alcohol mixture obtainable by reducing naturally occurring fats and oils, is reacted with the sodium salt of mercaptoacetic acid .
It has now been found that a mixture of technically valuable sulfides of higher organic compounds that have a soap character can also be obtained by adding a mixture of the alkali compound - higher alkyl mercaptans, the alcohol mixture obtainable by reducing naturally occurring fats and oils corresponds, finitely treated with the sodium salt of a monohaloacetic acid.
The new mixture of the sodium salts of higher alkyl mercaptoacetic acids has soap-like and emulsifying properties. It can be used, among other things, as an auxiliary in the textile industry and as a soap substitute.
<I> Example: </I> 44 parts by weight of a mixture of higher alkyl mercaptans, which correspond to the alcohols obtainable by reducing the coconut oil fatty acids, are mixed with a solution of eight parts by weight of caustic soda in 250 parts by weight of alcohol. Furthermore, 18.8 parts by weight of monochloroacetic acid are dissolved in 100 parts by weight of water and neutralized with a solution of eight parts by weight of caustic soda in 50 parts by weight of water. The two solutions are combined and heated together for three hours on the water bath at the reflux condenser. After the reaction has ended, the solvent is evaporated on the water bath.
The residue can be recrystallized from alcohol. The mixture of the sodium salts of the higher alkyl mercaptoacetic acids is obtained as a white crystal mass which is soluble in water and shows good foaming. The new product can be used as a soap substitute.
Claims (1)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE170306X | 1932-02-19 | ||
DE110332X | 1932-03-11 | ||
CH168132T | 1934-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH170306A true CH170306A (en) | 1934-06-30 |
Family
ID=27177520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH170306D CH170306A (en) | 1932-02-19 | 1932-12-29 | Process for the preparation of a mixture of higher molecular weight aliphatic sulfides. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH170306A (en) |
-
1932
- 1932-12-29 CH CH170306D patent/CH170306A/en unknown
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