DE483822C - Process for the preparation of ester mixtures - Google Patents

Process for the preparation of ester mixtures

Info

Publication number
DE483822C
DE483822C DEC37725D DEC0037725D DE483822C DE 483822 C DE483822 C DE 483822C DE C37725 D DEC37725 D DE C37725D DE C0037725 D DEC0037725 D DE C0037725D DE 483822 C DE483822 C DE 483822C
Authority
DE
Germany
Prior art keywords
preparation
ester mixtures
ester
acid
phenol
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
DEC37725D
Other languages
German (de)
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.)
Deutsche Hydrierwerke AG
Original Assignee
Deutsche Hydrierwerke AG
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
Priority claimed from DEC36543D external-priority patent/DE434730C/en
Application filed by Deutsche Hydrierwerke AG filed Critical Deutsche Hydrierwerke AG
Priority to DEC37725D priority Critical patent/DE483822C/en
Application granted granted Critical
Publication of DE483822C publication Critical patent/DE483822C/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

Verfahren zur Darstellung von Estergemischen In dem Hauptpatent 434 73o handelt es sich um :die Darstellung von Estergemischeri, wobei von hydrierten Rohkresalen ausgegangen wird.Process for the preparation of ester mixtures In main patent 434 73o it concerns: the representation of Estergemischeri, whereby of hydrogenated Raw cresals is assumed.

Weitere Forschungen haben ergeben, daß sich das Verfahren des Hauptpatentes, auch auf Phenol anwenden läßt mit den gleichen Vorteilen,, wie sie im Hauptpatent sich einstellen.Further research has shown that the process of the main patent, Can also be applied to phenol with the same advantages as in the main patent adjust.

Zwar ist es bekannt gewesen, das bei der Hydrierung von Phenol erhaltene Cyclohexanon-Cyclohexanol-Gemisch mit quantitativer Ausbeute zu Adipinsäure zu oxydieren. Es handelt sich dabei nicht um die Erzeugung von Säuregemischen, :die bei der Esterifizierwng wertvolle Karnpferersatzmittel liefern. Bei dem vorliegenden Verfahren werden neben Adipinsäure auch die niederen Säuren, wie z. B. Bernsteinsäure, Glutarsäure, durch Überführung in die Estergen-ische verwertet, die als Kampferersatzmittel besonders günstige Eigenschaften besitzen.Although it has been known that obtained from the hydrogenation of phenol To oxidize cyclohexanone-cyclohexanol mixture with quantitative yield to adipic acid. It is not a question of the generation of acid mixtures: that in the case of esterification provide valuable carnivore substitutes. In the present procedure, besides Adipic acid also the lower acids, such as. B. succinic acid, glutaric acid Conversion into the Estergen-ische, which is used as a camphor substitute in particular have favorable properties.

Beispiele i. i oo g des durch katalytische Hydrierung aus Phenol entstehenden Cyclohexanols wird in 684 g siedende Salpeter-@äure von der-Dichte 1,2 einsgetropft. Nach beendeter Umsetzung wird zur Trockne eingedampft und das zurückbleibende Gemisch der verschiedenen Säuren in der dreifachen Menge Äthylalkohol aufgenommen, der mit 3 % gasförmIger Salzsäure versetzt ist. Nach mehrstünd@gem Kochen .am Rückflußkühler gießt man in Wasser, trennt im Scheidetrichter und wäscht den Ester mit verdünnter Sodalösung zwecks Abtrennung des gleichzeitig sich bildender sauren Esters. Die Ester stellen eine farblose, angenehm riechende Flüssigkeit dar.Examples i. i oo g of that formed by catalytic hydrogenation from phenol Cyclohexanol is added dropwise to 684 g of boiling nitric acid with a density of 1.2. After the reaction has ended, the mixture is evaporated to dryness and the mixture that remains of the various acids absorbed in three times the amount of ethyl alcohol that with 3% gaseous hydrochloric acid is added. After several hours of boiling on the reflux condenser it is poured into water, separated in a separating funnel and washed the ester with dilute Soda solution for the purpose of separating off the acidic ester that forms at the same time. the Esters are colorless, pleasant-smelling liquids.

2. Die in .analoger Weisse durch Veresterung der Säuregemische mittels cyclischen Alkohz)len, z. B. Methylcyclohex.anolen, dem Hydrierungsprodukt der Rohkresole, erhaltenen Methylcyclohexylester stellten :ein viskoses Öl dar vorn nicht unangenehmem Geruch.2. The in .analoger white by esterification of the acid mixtures by means of cyclic alcohols, e.g. B. Methylcyclohex.anolen, the hydrogenation product of raw cresols, obtained methylcyclohexyl ester: a viscous oil is not unpleasant Odor.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung von Estergemschen nach Patent 434730, dadurch gekennzeichnet, daß das durch Hydrierung des Phenols. entstandene Cyclohexanol dem Verfahren des Hauptpatentes unterworfen wird.PATENT CLAIM: Process for the preparation of ester mixtures according to patent 434730, characterized in that the by hydrogenation of the phenol. resulting Cyclohexanol is subjected to the process of the main patent.
DEC37725D 1925-04-14 1926-01-20 Process for the preparation of ester mixtures Expired DE483822C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEC37725D DE483822C (en) 1925-04-14 1926-01-20 Process for the preparation of ester mixtures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEC36543D DE434730C (en) 1925-04-14 1925-04-14 Process for the preparation of ester mixtures
DEC37725D DE483822C (en) 1925-04-14 1926-01-20 Process for the preparation of ester mixtures

Publications (1)

Publication Number Publication Date
DE483822C true DE483822C (en) 1929-10-14

Family

ID=7022950

Family Applications (1)

Application Number Title Priority Date Filing Date
DEC37725D Expired DE483822C (en) 1925-04-14 1926-01-20 Process for the preparation of ester mixtures

Country Status (1)

Country Link
DE (1) DE483822C (en)

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