CH195073A - Process for the production of a protective coating composition which is resistant to acids and alkalis. - Google Patents

Process for the production of a protective coating composition which is resistant to acids and alkalis.

Info

Publication number
CH195073A
CH195073A CH195073DA CH195073A CH 195073 A CH195073 A CH 195073A CH 195073D A CH195073D A CH 195073DA CH 195073 A CH195073 A CH 195073A
Authority
CH
Switzerland
Prior art keywords
resistant
alkalis
acids
protective coating
production
Prior art date
Application number
Other languages
German (de)
Inventor
Augusta Svensson Lilly
Original Assignee
Augusta Svensson Lilly
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 Augusta Svensson Lilly filed Critical Augusta Svensson Lilly
Publication of CH195073A publication Critical patent/CH195073A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L45/00Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers
    • C08L45/02Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers of coumarone-indene polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D195/00Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
    • C09D195/005Aqueous compositions, e.g. emulsions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Description

  

  Verfahren zur Herstellung eines gegen Säuren und Alkalien widerstandsfähigen       Sehutzäberzugsmittels.       Die Erfindung betrifft ein Verfahren zur       Herstellung        einest    .gegen     :Säuren.        und        Alkalien          widerstandsfähigen        Schutzüberzugsmittels.     Das:

       Mittel        ist        besonders    zum Überziehen von       Metallen:,    Holz, Beton und     dergl.    zum  Schutze der     0.berfläche    gegen Zerstörung  durch     .atmosphärische        Einflüsse        geeignet.     



  Es,     is:t    bekannt,     eine    flüssige     bezw.    ge  schmolzene Masse aus Asphalt,     Kumaronharz     und     einem        verseifbaren        Staff,    z. B.

   Montan  wachs:,     in    einer Lösung von     Ammoniak    oder       ähnlichen        Alkalien    zu     emulgieren.    Die An  wendung solcher Präparate ist aber be  schränkt :infolge     ihrer        .geringen        Anhaftfähig-          kei.t    und wegen des, geringen Widerstandes  selbst     gegen,    mässige     Temperaturen;.     



  Der     Zweck    der     vorliegenden    Erfindung  ist,     diese        .Ü,belstände    zu vermeiden.  



       GemäA    der     trfindung    wird     eine    ge  schmolzene Masse aus Asphalt,     Kumaronharz     und     einem        verseifbaren        Stoff        hergestellt    und  in     einen        Emulgserapparat    gegossen,     :

  der        Was-          ser    und     ein        alkalisches    Mittel enthält.     Als-          dann        werden    der     Emulsion        ein:        fein.    zermah-    Jenes Kunstharz mit     einem        Schmelzpunkt          zwischen!    200 und<B>300'</B> C und ein     kautschuk-          milchhaltiges.    Mittel     zugesetzt.     



  In     .gewissen        Fällen    kann noch     eine        wässie-          rige        Lösung    aus     Methylzellulos,e    der Masse  im     Emulgierapparat        zugesetzt    werden. Die  ser Zusatz     wind        dem        Endprodukt        .eine        ge-          wisse        ,Stabilität    geben, besonders wenn er  5 bis<B>101%</B>     des,    Gewichtes beträgt.  



       Dass        Eingiessen    der     .geschmolzenen        Masse     in den     Emulgierappaxat    kann bei     einer        Tem-          peratur    von     ungefähr    90     bis:    100   C erfolgen.

    Nach     dem    Mischen der     erwähnten    Ingredien  zien,     kann    man die     Masse    auf     ungefähr    60-   C  abkühlen     lassen,    worauf     fein        zermahlenes          Kunstharz,        dessen        Schmelzpunkt    zwischen  200 und     :3.00      C liegt, und ein     kautschuk-          milcbhaltiges-        Mittel,    z.

   B.     Latex    oder     Rever-          tex,        zugesetzt        werden.        Das,        Zusetzen        des          letzterwähnten        Harzes        gibt,dem        Produkt        die     Eigenschaft gegen hohe     Temperaturen;

          wi-          derstandsfähig    zu     sein,    so     .dass    die     Masse    sich  als     Schutzüberzug        für    Kessel, die     in,der    che  mischen     Industrie        Verwendung        finden,    und           auch    sonst überall eignet,     wo,eine        Oberfläche     auf hohe Temperaturen erhitzt werden soll.

         Zweckmässigerweise    werden als Kunstharze  solche     verwendet,    welche gegen Säuren und  Alkalien sehr     widerstandsfähig    sind.  



  Zum     Beispiel    werden die folgenden     In-          gredienzien    in     den,        angegebenen    Verhältnis  sen     gemischt:          Kumaronharz    12 000 g, Asphalt 12 000 g,  Montanwachs 100 g.  



       Diese        Mischung    wird geschmolzen und       dann    in einen     Emulgierapparat        gegossen,    der  zum Beispiel enthält:  Wasser 14 0,00 g, Natron- oder Kalilauge       (39-1/2%)    1001     cm3,    Lösung von     Methylzellu-          lose    (4 bis 8 %) 800 g.  



  Zu der auf etwa 60   C     abgekühlten     Emulsion wird ein Gemisch zugesetzt, beste  hend     aus:     Kunstharz 800 g, Latex 3 600 g.



  Process for the production of an acid and alkali resistant skin protective coating. The invention relates to a method for the production of one. Against: acids. and alkali-resistant protective coating agents. The:

       The agent is particularly suitable for coating metals: wood, concrete and the like to protect the surface against damage caused by atmospheric influences.



  It is known to be a liquid resp. ge molten mass of asphalt, coumarone resin and a saponifiable staff, z. B.

   Montan wax: to be emulsified in a solution of ammonia or similar alkalis. However, the use of such preparations is limited: because of their poor adhesion and because of their low resistance, even to moderate temperatures.



  The purpose of the present invention is to avoid these nuisances.



       According to the invention, a molten mass of asphalt, coumarone resin and a saponifiable substance is produced and poured into an emulsifier:

  which contains water and an alkaline agent. As- then the emulsion will be: fine. grind that synthetic resin with a melting point between! 200 and <B> 300 '</B> C and one that contains rubber and milk. Agent added.



  In certain cases an aqueous solution of methyl cellulose can also be added to the mass in the emulsifying apparatus. This addition will give the end product a certain stability, especially if it is 5 to 101% of the weight.



       The pouring of the .melted mass into the emulsifying apparatus can take place at a temperature of approximately 90 to 100.degree.

    After mixing the ingredients mentioned, the mass can be allowed to cool to about 60- C, whereupon finely ground synthetic resin, the melting point of which is between 200 and 3.00 C, and a rubber-milk-containing agent, e.g.

   B. latex or Revertex can be added. That adding the last-mentioned resin gives the product the property against high temperatures;

          to be resilient, so that the mass is suitable as a protective coating for boilers that are used in the chemical industry, and also everywhere else where a surface is to be heated to high temperatures.

         The synthetic resins used are expediently those which are very resistant to acids and alkalis.



  For example, the following ingredients are mixed in the specified proportions: coumarone resin 12,000 g, asphalt 12,000 g, montan wax 100 g.



       This mixture is melted and then poured into an emulsifying apparatus which contains, for example: water 14 0.00 g, sodium or potassium hydroxide solution (39-1 / 2%) 1001 cm3, solution of methyl cellulose (4 to 8%) 800 G.



  A mixture is added to the emulsion, cooled to about 60 ° C., consisting of: synthetic resin 800 g, latex 3,600 g.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines gegen Säuren und Alkalien widerstandsfähigen Schutzüberzugsmittels, dadurch gekennzeich- net, @dass eine geschmolzene Masse aus Asphalt, Kumaxonharz und einem verseif- baren Stoff hergestellt und in einen D4mul- gierappara.t gegossen wird, PATENT CLAIM: Process for the production of a protective coating material that is resistant to acids and alkalis, characterized in that a molten mass of asphalt, kumaxon resin and a saponifiable substance is produced and poured into a D4mul- gierappara.t, der Wasser und ein alkalisches Mittel enthält, worauf der Emulsion ein fein zermahlenes Kunstharz mit einem .Schmelzpunkt zwischen 90'0 und <B>30,0'</B> C und ein kautsehukmilchhalti.ges Mit tel zugesetzt werden. UNTERANSPRüCHE: 1. Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass eine geschmolzene Masse aus Asphalt, Kumaronharz und Montanwachs als verseifbarer ,Stoff ver wendet wird. 9. which contains water and an alkaline agent, whereupon a finely ground synthetic resin with a "melting point between 90'0" and <B> 30.0 "</B> C and an agent containing chewing milk are added to the emulsion. SUBClaims: 1. Method according to claim, characterized in that a molten mass of asphalt, coumarone resin and montan wax is used as a saponifiable substance. 9. Verfahren nach Patentanspruch, dadurch gelzennzeichnet, dass der Emulsion neben dem fein zermahlenen Kunstharz Latex zugesetzt wird. Method according to claim, characterized in that latex is added to the emulsion in addition to the finely ground synthetic resin.
CH195073D 1936-06-19 1936-06-19 Process for the production of a protective coating composition which is resistant to acids and alkalis. CH195073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH195073T 1936-06-19

Publications (1)

Publication Number Publication Date
CH195073A true CH195073A (en) 1938-01-15

Family

ID=4439751

Family Applications (1)

Application Number Title Priority Date Filing Date
CH195073D CH195073A (en) 1936-06-19 1936-06-19 Process for the production of a protective coating composition which is resistant to acids and alkalis.

Country Status (1)

Country Link
CH (1) CH195073A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077578A1 (en) * 1981-10-20 1983-04-27 Rütgerswerke Aktiengesellschaft Corrosion preventing sheet and its production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077578A1 (en) * 1981-10-20 1983-04-27 Rütgerswerke Aktiengesellschaft Corrosion preventing sheet and its production

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