CH231901A - Process for the production of a super polyamide. - Google Patents

Process for the production of a super polyamide.

Info

Publication number
CH231901A
CH231901A CH231901DA CH231901A CH 231901 A CH231901 A CH 231901A CH 231901D A CH231901D A CH 231901DA CH 231901 A CH231901 A CH 231901A
Authority
CH
Switzerland
Prior art keywords
production
substance
mixture
super
super polyamide
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie 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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH231901A publication Critical patent/CH231901A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/36Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines and polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/42Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Polyamides (AREA)

Description

  

  Verfahren zur Herstellung eines Superpolyamids.    Bekanntlich erhält man durch Erhitzen  von     höhermolekularen        cu   <I>.</I>     cö        -Dicarbonsäuren     mit     au    .     co'-Diaminen    in etwa     äquimolekularem     Verhältnis oder von     co    -     Aminocarbonsäuren     oder deren     Lactamen    oder     Gemischen    dieser  Stoffe hochmolekulare,     polypeptidartige        Stoffe,     sog.

   Superpolyamide, die sich zum Beispiel  zur Herstellung von Überzügen, Filmen, Fä  den und Gebrauchsgegenständen der verschie  densten Art eignen.  



  Es wurde nun gefunden, dass man ein       Superpolyamid    mit besonders vorteilhaften    Eigenschaften erhält, wenn man ein Gemisch  aus einem den Rest  
EMI0001.0015     
    abgebenden Stoff, einem Stoff der Formel so       ROC(CH,)4COR    und einem Stoff der Formel  
EMI0001.0017     
         i    in denen R jeweils     einen    sich bei der Reak  tion abspaltenden Rest bedeutet, vorzugs-    weise ein Gemisch von     e-Aminocapronsäure          und        adipinsaurem    4.4'-Diamino-dicyclohegyl-           methan    kondensiert.

   Man kann auch funk  tionelle Derivate dieser Stoffe verwenden,  wobei unter Abspaltung der funktionellen  Gruppen das gleiche Superpolyamid entsteht.  Verwendet man ein Gemisch entsprechender  Mengen     Adipinsäure    und     Diamino-dicyclo-          llegylmethan,    so entsteht beim     Zusammen-          bringen    dieser Stoffe sofort     adipinsaures        Di-          amino-dicyclohexylmethan.     



  Die Kondensation wird in der für Super  polyamide üblichen Weise, zweckmässig bei  Gegenwart von Stabilisatoren und indifferen  ten Gasen durchgeführt.  



  Das erhaltene Superpolyamid zeichnet  sich durch gute Durchsichtigkeit und Klar  heit und hohe Wasserfestigkeit aus. Gleich  zeitig ist seine Löslichkeit und damit die  Beständigkeit der Lösungen bei     gewöhnlicher     Temperatur ganz wesentlich erhöht, was zum  Beispiel für die technische Herstellung von  Giessfolien von besonderer     Bedeutung    ist.       Ausserdem    besitzt es einen wesentlich grö  sseren plastischen Bereich, so dass es im Ge  gensatz zu den meisten bekannten Superpoly  amiden ohne     Schwierigkeiten    auf der Walze  verarbeitet werden kann.

   Auch die mechani  schen Eigenschaften, wie     Zerreissfestigkeit.     und Stossfestigkeit, sind im allgemeinen ver  bessert und besonders     gilt    ist die Wider  standsfähigkeit gegen scharfes Knicken von  dicken Folien oder von daraus hergestelltem  Kunstleder in warmem Wasser. Diese Eigen  schaft     ist    um so überraschender. als ähnliche  Verbindungen mit     unhydriertem        Benzolrest     oder ohne die     CH..-Briieke    zwischen den beiden  hydrierten     Benzolresten    in Superpolyamiden  die Eigenschaften fast durchweg nicht un  erheblich verschlechtern.  



  Das neue Superpolyamid eignet sieh zum  Beispiel     zur        Herstellung        voll    Filmen, Fäden,    Folien, Überzügen und von Formkörpern, von  Gebrauchsgegenständen der verschiedensten  Art oder von Sicherheitsglas.  



  <I>Beispiel:</I>  500 Teile     s-Caprolaetam,    500 Teile     adipin-          saures        4.4'-Diaminodicyclohezylmethan,    2,25  Teile     Adipinsäure    und 1000 Teile Wasser  werden in einem Druckgefäss aus rostfreiem  Stahl unter Ausschluss von Sauerstoff inner  halb 2 Stunden auf 280  erhitzt, wobei der  Druck durch Ablassen der entsprechenden  Menge Wasserdampf auf 17 bis 18 Atmo  sphären gehalten wird. Dann wird bei der  gleichen Temperatur innerhalb     11/,    Stunden  der Druck langsam abgelassen und das Re  aktionsgut weiterhin     11/,    Stunden bei dieser  Temperatur unter Atmosphärendruck gehal  ten.

   Beim Abdrücken der entstandenen  Schmelze in Wasser erhält man ein Super  polyamid, das klar in heissem     80%igem    Me  thanol löslich ist, gute     Transparenz    und Was  serfestigkeit besitzt und sich auf warmen  Walzen verarbeiten lässt. Auch beim Knicken  in warmem Wasser zeigt es grosse Wider  standsfähigkeit. .



  Process for the production of a super polyamide. As is known, heating of higher molecular weight cu <I>. </I> c6 -dicarboxylic acids with au. co'-diamines in an approximately equimolecular ratio or from co-aminocarboxylic acids or their lactams or mixtures of these substances high molecular weight, polypeptide-like substances, so-called.

   Super polyamides, which are suitable, for example, for the production of coatings, films, threads and utensils of all kinds.



  It has now been found that a superpolyamide with particularly advantageous properties is obtained if a mixture of one of the rest
EMI0001.0015
    releasing substance, a substance of the formula so ROC (CH,) 4COR and a substance of the formula
EMI0001.0017
         i in which R in each case denotes a radical which is split off during the reaction, preferably a mixture of e-aminocaproic acid and adipic acid 4,4'-diamino-dicyclohegyl methane condenses.

   Functional derivatives of these substances can also be used, the same superpolyamide being formed with the elimination of the functional groups. If a mixture of corresponding amounts of adipic acid and diamino-dicyclo-llegylmethane is used, then when these substances are brought together, adipic-acid di-amino-dicyclohexylmethane is formed immediately.



  The condensation is carried out in the manner customary for super polyamides, expediently in the presence of stabilizers and indifferent gases.



  The superpolyamide obtained is characterized by good transparency and clarity and high water resistance. At the same time, its solubility and thus the stability of the solutions at ordinary temperature is very significantly increased, which is of particular importance, for example, for the technical production of cast films. In addition, it has a much larger plastic range, so that, in contrast to most known superpoly amides, it can be processed on the roller without difficulty.

   Also the mechanical properties, such as tensile strength. and impact resistance, are generally improved ver and particularly is the resistance to sharp kinking of thick films or synthetic leather made from them in warm water. This property is all the more surprising. as similar compounds with an unhydrogenated benzene residue or without the CH ..- bridge between the two hydrogenated benzene residues in superpolyamides, the properties are almost always not insignificantly impaired.



  The new super polyamide is suitable, for example, for the production of full films, threads, foils, coatings and moldings, of various kinds of everyday objects or of safety glass.



  <I> Example: </I> 500 parts of s-caprolaetam, 500 parts of adipic 4.4'-diaminodicyclohezylmethane, 2.25 parts of adipic acid and 1000 parts of water are added to a stainless steel pressure vessel with exclusion of oxygen within 2 hours 280 heated, the pressure being kept at 17 to 18 atmospheres by releasing the appropriate amount of water vapor. Then the pressure is slowly released at the same temperature within 11 /, hours and the reaction material continues to be kept for 11 /, hours at this temperature under atmospheric pressure.

   When the resulting melt is pressed into water, a super polyamide is obtained that is clearly soluble in hot 80% methanol, has good transparency and water resistance and can be processed on warm rollers. It also shows great resistance when buckling in warm water. .

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Super polyamids, dadurch gekennzeichnet, dass man ein Gemisch aus einem den Rest EMI0002.0034 abgebenden Stoff, einem Stoff der Formel ROC(CH_),-COR lind einern Stoff der Formel EMI0002.0038 in denen R jeweils einen bei der Reaktion sich abspaltenden Rest bedeutet, kondensiert. Das erhaltene Superpolyamid ist in heissem 80%igem wässrigem Methanol löslich und liefert durchsichtige Filme. PATENT CLAIM: Process for the production of a super polyamide, characterized in that a mixture of one of the rest EMI0002.0034 releasing substance, a substance of the formula ROC (CH _), - COR lind a substance of the formula EMI0002.0038 in which R in each case denotes a radical which is split off during the reaction, condenses. The superpolyamide obtained is soluble in hot 80% strength aqueous methanol and provides transparent films. UNTERAIXSPRUCH: Verfahren gemäss Patentanspruch, da durch gekennzeichnet, dass man ein Gemisch von s-Aminocapronsäure und adipinsaurem 4 . 4'-Diaminodicyclohegylmethan kondensiert. UNTERAIXSPRUCH: Process according to patent claim, characterized in that a mixture of s-aminocaproic acid and adipic acid 4. 4'-Diaminodicyclohegylmethane condensed.
CH231901D 1941-05-23 1942-04-30 Process for the production of a super polyamide. CH231901A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE231901X 1941-05-23
DE881998X 1941-05-23

Publications (1)

Publication Number Publication Date
CH231901A true CH231901A (en) 1944-04-30

Family

ID=29421259

Family Applications (1)

Application Number Title Priority Date Filing Date
CH231901D CH231901A (en) 1941-05-23 1942-04-30 Process for the production of a super polyamide.

Country Status (1)

Country Link
CH (1) CH231901A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969752C (en) * 1952-02-10 1958-07-10 Bayer Ag Process for the production of polyamides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969752C (en) * 1952-02-10 1958-07-10 Bayer Ag Process for the production of polyamides

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