DE854509C - Process for the production of surface-active mixed esters - Google Patents

Process for the production of surface-active mixed esters

Info

Publication number
DE854509C
DE854509C DEB7250D DEB0007250D DE854509C DE 854509 C DE854509 C DE 854509C DE B7250 D DEB7250 D DE B7250D DE B0007250 D DEB0007250 D DE B0007250D DE 854509 C DE854509 C DE 854509C
Authority
DE
Germany
Prior art keywords
production
mixed esters
water
butadiene
active mixed
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
Application number
DEB7250D
Other languages
German (de)
Inventor
Richard Dr Schnabel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Priority to DEB7250D priority Critical patent/DE854509C/en
Application granted granted Critical
Publication of DE854509C publication Critical patent/DE854509C/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/02Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
    • C07C303/20Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by addition of sulfurous acid or salts thereof to compounds having carbon-to-carbon multiple bonds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Description

Verfahren zur Herstellung von oberflächenwirksamen Mischestern Es wurde gefunden, daß man aus den hochsiedenden Alkoholgemischen, die bei der Herstellung von ßutadien durch Abspaltung von Wasser aus t, 3-Butylenglykol oder i, 4-Butylenglykol und Abdestillieren des Butadiens und niedrigsiedender Nebenprodukte zurückbleiben, oberflächenwirksame Stoffe erhält, die z. B. als Netz-, Emulgier- und Naschmittel angewandt werden können, wenn man diese Rückstände mit organischen Säuren verestert, die die Einführung wasserlöslich machender Gruppen gestatten, also z. B. ungesättigt sind oder Hydroxylgruppen enthalten, und in die erhaltenen Mischester wasserlöslich machende Gruppen einführt. Die wasserlöslich machenden Gruppen können z. B. durch Anlagerung von Natriumbisulfit an Doppelbindungen im Säurerest der Ester eingeführt "erden. Man kann aber auch in bekannter Weise an die Doppelbindungen Schwefelsäure anlagern. Ungesättigte Säuren, die sich zur Herstellung derartiger ungesättigter Ester eignen, sind beispielsweise Acrylsäure, Methacrylsäure, Maleinsäure, Citraconsäure, Itaconsäure und Aconitsäure. An Stelle der freien Säuren können auch ihre Anhydride verwendet werden. Man kann ferner, wenn die zur Veresterung angewandte Säure Hydroxylgruppen enthält, diese mit mehrbasischen Mineralsäuren verestern oder in sie durch Behandeln mit Alkylenoxyden, z. B. Äthylenoxyd, Polyalkylätherreste einführen. Schließlich können auch zur Veresterung Halogencarbonsäuren herangezogen werden, deren Halogenatome man dann z. B. mit Natriumsulfit gegen den Rest-S O3 Na austauschen kann. Beispiel 185 Teile des durch Veresterung von 98 Teilen Maleinsäureanhydrid mit 35o Teilen eines bei der Herstellung von Butadien aus i, 4-Butylenglykol durch Abspaltung von Wasser und Abdestillieren des Butadiens erhaltenen Alkoholgemisches vom ungefähren Molekulargewicht 16o erhaltenen neutralen Mischesters werden in eine Lösung von 49 Teilen Natriumbisulfit in 12o Teilen Wasser eingetragen und etwa 5 Stunden lang bei 8o bis 9o° gerührt. Dabei geht der Mischester völlig in Lösung, und man erhält eine klare, stark schäumende Lösung von hervorragendem Netzvermögen. Beim Abtreiben des Wassers unter vermindertem Druck erhält man eine schwachgelbe wachsartige Masse.Process for the production of surface active mixed esters Es it was found that the high-boiling alcohol mixtures used in the manufacture of ßutadiene by splitting off water from t, 3-butylene glycol or i, 4-butylene glycol and distilling off the butadiene and low-boiling by-products remain, surface-active substances that z. B. as a wetting agent, emulsifier and snack agent can be used if these residues are esterified with organic acids, which allow the introduction of water-solubilizing groups, e.g. B. unsaturated are or contain hydroxyl groups, and water-soluble in the mixed esters obtained introducing making groups. The water-solubilizing groups can e.g. B. by Addition of sodium bisulfite to double bonds in the acid residue of the ester introduced ". But you can also use sulfuric acid to connect to the double bonds in a known manner attach. Unsaturated acids that are used to produce such unsaturated Suitable esters are, for example, acrylic acid, methacrylic acid, maleic acid, citraconic acid, Itaconic acid and aconitic acid. Instead of the free acids, their anhydrides can also be used be used. Furthermore, if the acid used for the esterification is hydroxyl groups contains, esterifying them with polybasic mineral acids or in them by treating with Alkylene oxides, e.g. B. Ethylene oxide, introduce polyalkyl ether residues. Finally you can Halocarboxylic acids, their halogen atoms, are also used for the esterification one then z. B. can exchange with sodium sulfite for the remaining S O3 Na. example 185 parts of maleic anhydride obtained by esterification of 98 parts with 35o parts one in the production of butadiene from i, 4-butylene glycol by splitting off Water and distilling off the butadiene obtained alcohol mixture from the approximate Molecular weight 16o obtained neutral mixed ester are in a solution of 49 parts of sodium bisulfite in 12o parts of water and added for about 5 hours stirred at 8o to 9o °. The mixed ester goes completely into solution and is obtained a clear, strong foaming solution with excellent wetting properties. When aborting of the water under reduced pressure, a pale yellow, waxy mass is obtained.

Claims (1)

PATEN TA NS PR i;CII: Verfahren zur Herstellung von oberflächenwirksamen Mischestern, dadurch gekennzeichnet, daß man die bei der Herstellung von Butadien durch Abspaltung von Wasser aus i, 3-oder i, 4-Butylenglykol und Abdestillieren des Butadiens zurückbleibenden hochsiedenden Alkoholgemische mit organischen Säuren verestert, die die Einführung wasserlöslich machender Gruppen gestatten, und in die erhaltenen Mischester solche Gruppen einführt.PATEN TA NS PR i; CII: Process for the production of surfactants Mixed esters, characterized in that the in the production of butadiene by splitting off water from i, 3- or i, 4-butylene glycol and distilling off of the butadiene remaining high-boiling alcohol mixtures with organic acids esterified, which allow the introduction of water-solubilizing groups, and in the mixed esters obtained introduces such groups.
DEB7250D 1944-08-05 1944-08-05 Process for the production of surface-active mixed esters Expired DE854509C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB7250D DE854509C (en) 1944-08-05 1944-08-05 Process for the production of surface-active mixed esters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB7250D DE854509C (en) 1944-08-05 1944-08-05 Process for the production of surface-active mixed esters

Publications (1)

Publication Number Publication Date
DE854509C true DE854509C (en) 1952-11-04

Family

ID=6955236

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB7250D Expired DE854509C (en) 1944-08-05 1944-08-05 Process for the production of surface-active mixed esters

Country Status (1)

Country Link
DE (1) DE854509C (en)

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