DE847497C - Process for the production of polycondensation products - Google Patents

Process for the production of polycondensation products

Info

Publication number
DE847497C
DE847497C DEV1085D DEV0001085D DE847497C DE 847497 C DE847497 C DE 847497C DE V1085 D DEV1085 D DE V1085D DE V0001085 D DEV0001085 D DE V0001085D DE 847497 C DE847497 C DE 847497C
Authority
DE
Germany
Prior art keywords
production
hydrazine
polycondensation products
weight
heated
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
DEV1085D
Other languages
German (de)
Inventor
Heinz Dr Gehlen
Theo Dr Lieser
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.)
Glanzstoff AG
Original Assignee
Glanzstoff 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
Application filed by Glanzstoff AG filed Critical Glanzstoff AG
Priority to DEV1085D priority Critical patent/DE847497C/en
Application granted granted Critical
Publication of DE847497C publication Critical patent/DE847497C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/08—Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Artificial Filaments (AREA)

Description

Verfahren zur Herstellung von Polykondensationsprodukten Gegenstand der vorliegenden Erfindung ist die L7berführung von hochmolekularen sekundären Polydicarl)o tisätiredilivdrazideti in faserbildende Linearpolymere, die in bekannter Weise aus ihrer Lösung ()der aus ihrer Schmelze auf Platten, l@ iltne oder Fäden verarbeitet werden können.Process for the production of polycondensation products Subject The present invention is the transfer of high molecular weight secondary polydicarls or the like tisätiredilivdrazideti in fiber-forming linear polymers made in a known manner their solution () which is processed from their melt on plates, l @ iltne or threads can be.

Die genannten Polyacvlhydräzide oder deren Derivate der allgemeinen Formel -R-C O - \ H \H-C@>-IZ-CO-\H-\H-CO-, in der R einen zweiwertigen Rest bedeutet, lassen sich, wie festgestellt werden konnte, in üblicher Weise nicht zu irgendwie brauchbaren Fäden, Filmen u. dgl. verarbeiten.The mentioned polyacvlhydrazides or their derivatives of the general Formula -R-C O - \ H \ H-C @> - IZ-CO- \ H- \ H-CO-, in which R is a divalent radical, can, as has been established, in the usual way not to somehow Process usable threads, films and the like.

Die obengenannten sekundären Polyacvlhydrazide können leicht hergestellt werden durch Einwirkung von Säurechloriden der Dicarbonsäuren auf w-äßrige Lösungen von Hydrazin oder Hydrazinhydrat gemäß der Gleichunz in der auch für die Herstellung der entsprechenden ntonofunktionellen sekundären Hydrazide üblichen Weise. Es wurde nun an Hand von Analysen gefunden, daß die so entstehenden weißen, pulverförmigen sekundären Polvacvlhvdrazide der allzemeinen Formel -R--CO.-iLH-NH-,CO-R-CO-NH-I I - C O R-, worin R einen zweiwertigen aliphatischen Rest von mindestens 6 Kohlenstoff atomen be= deutet, die vielfach auch in siedendem Kresol unlöslich sind und auch oberhalb 3oo"nieht schmelzen, durch Umsetzung mit Hydrazin oder Hydrazinhydrat in Polvkondensationsprodukte übergehen, die sich auf Filme oder Fäden mit ausgezeichneten physikalischen Eigenschaften `erarbeiten lassen. Die Umsetzung geht in glatter Reaktion vermutlich nach folgendem Schema: unter Bildung von Polyalkyldihydrotetrazinen vor sich, wenn die sekundären #Polyacylhydrazide mit Hydrazin oder Hydrazinhydrat unter Druck auf Temperaturen zwischen 200 und 300° erhitzt werden.The above-mentioned secondary polyhydrazides can easily be prepared by the action of acid chlorides of dicarboxylic acids on aqueous solutions of hydrazine or hydrazine hydrate according to the equation in the manner customary for the preparation of the corresponding ntonofunctional secondary hydrazides. It has now been found on the basis of analyzes that the resulting white, powdery secondary polvacvidrazides of the general formula -R - CO.-iLH-NH-, CO-R-CO-NH-II - CO R-, where R denotes a divalent aliphatic radical of at least 6 carbon atoms, which are often insoluble in boiling cresol and never melt above 300 " The implementation proceeds in a smooth reaction, presumably according to the following scheme: with the formation of polyalkyldihydrotetrazines in front of itself when the secondary #Polyacylhydrazide with hydrazine or hydrazine hydrate are heated under pressure to temperatures between 200 and 300 °.

Beispiel i 2 Gewichtsteile des sekundären Polyliydrazids der Adipinsäure werden mit o,66 Gewichtsteilen wasserfreiem Hydrazin ii Stunden im geschlossenen.Gefäß auf 200° erhitzt und das weiße Reaktionsprodukt nach dein Reinigen mit siedendem Wasser, Trocknen und Überführung in eine Schmelze in üblicher Weise auf Platten, l# ilme oder Fäden verarbeitet.Example i 2 parts by weight of the secondary polyhydrazide of adipic acid are with 0.66 parts by weight of anhydrous hydrazine for ii hours in a closed vessel heated to 200 ° and the white reaction product after cleaning with boiling Water, drying and transferring into a melt in the usual way on plates, l # ilme or threads processed.

Beispiel,2 3 Gewichtsteile des sekundären Polyhydrazids der Sehacinsä ure werden mit 0,7.5 Ge-,vichtsteilen wasserfreiem Hydrazin io Stunden auf 200 bis 25o° im geschlossenen Gefäß erhitzt und das Reaktionsprodukt wie im Beispiel i angegeben weiter verarbeitet.Example, 2 3 parts by weight of the secondary polyhydrazide of Sehacinsä ure with 0.7.5 parts by weight of anhydrous hydrazine for 10 hours to 200 to Heated 25o ° in a closed vessel and the reaction product as indicated in Example i further processed.

Claims (1)

PATENTANSl,lii C11: Verfahren zur Herstellung von Polykonden- sationsprodukteii, dadurch gekennzeichnet, daß sekundäre Pol_vacylhydrazide der allgemeinen Formel -R-CO-N1-I- NH-CU-R-CO N11-HN -CO-R -, worin R einen zweiwertigen aliphatischen Rest von mindestens 6 Koblenstoffatomen bedeutet, oder ihre Derivate mit Hydrazin oder Hydrazin- hydrat auf etwa 200 bis 300' unter Druck er- hitzt werden.
PATENTANSl, lii C11: Process for the production of polycondensation sationsprodukteii, characterized in that secondary pol_vacylhydrazide of the general formula -R-CO-N1-I- NH-CU-R-CO N11-HN -CO-R -, wherein R is a divalent aliphatic radical of at least 6 carbon atoms means or their derivatives with hydrazine or hydrazine hydrate to about 200 to 300 'under pressure get heated.
DEV1085D 1942-08-25 1942-08-25 Process for the production of polycondensation products Expired DE847497C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV1085D DE847497C (en) 1942-08-25 1942-08-25 Process for the production of polycondensation products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV1085D DE847497C (en) 1942-08-25 1942-08-25 Process for the production of polycondensation products

Publications (1)

Publication Number Publication Date
DE847497C true DE847497C (en) 1952-08-25

Family

ID=7569433

Family Applications (1)

Application Number Title Priority Date Filing Date
DEV1085D Expired DE847497C (en) 1942-08-25 1942-08-25 Process for the production of polycondensation products

Country Status (1)

Country Link
DE (1) DE847497C (en)

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