DE497056C - Process for the production of coatings on metals, etc., which are resistant to chemical influences - Google Patents

Process for the production of coatings on metals, etc., which are resistant to chemical influences

Info

Publication number
DE497056C
DE497056C DEI27310D DEI0027310D DE497056C DE 497056 C DE497056 C DE 497056C DE I27310 D DEI27310 D DE I27310D DE I0027310 D DEI0027310 D DE I0027310D DE 497056 C DE497056 C DE 497056C
Authority
DE
Germany
Prior art keywords
metals
coatings
production
resistant
chemical influences
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
DEI27310D
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.)
IG Farbenindustrie AG
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
Priority to DEI27310D priority Critical patent/DE497056C/en
Application granted granted Critical
Publication of DE497056C publication Critical patent/DE497056C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50Multilayers
    • B05D7/52Two layers
    • B05D7/54No clear coat specified
    • B05D7/542No clear coat specified the two layers being cured or baked together
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50Multilayers
    • B05D7/56Three layers or more
    • B05D7/58No clear coat specified
    • B05D7/582No clear coat specified all layers being cured or baked together

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Description

Verfahren zur Herstellung von gegen chemische Einflüsse widerstandsfähigen Überzügen - auf metallen usw. Die Herstellung von Überzügen auf .Metallen usw. aus auf höhere Temperatur erhitzbaren Phenö1aldehydkondensationsprodukten, welche gegen chemische Einflüsse, vor allem gegen Säuren, widerstandsfähig sind, ist bekannt. ebenso die Verwendung von entsprechenden Füllstoffen in Form von Pasten oder Aufstrichen.Process for the production of resistant to chemical influences Coatings - on metals, etc. The production of coatings on metals, etc. from Phenolaldehyde condensation products which can be heated to a higher temperature and which counteract chemical influences, especially against acids, are known to be resistant. likewise the use of appropriate fillers in the form of pastes or spreads.

Es wurde nun gefunden, daß eine viel leichtere und raschere Arbeitsweise, solche Überzüge herzustellen, dadurch möglich ist, daß man an Stelle des Auftragens der bisher üblichen Pasten zuerst die konzentrierten Lösungen der PhenoWdehydkondensationsprodukte aufspritzt, aufstreicht oder die zu überziehenden Gegenstände in sie taucht und hierauf die pulverförmigen Stoffe, wie Quarzmehl, Feldspatpulver, Asbestmehl, Schamottemehl, Talkum, Holzmehl, Ziegelmehl usw., aufsieht, aufbläst, aufstäubt oder aufspritzt und dann nach mehrmaliger Wiederholung dieses Vorganges den Überzug durch einmaliges Erhitzen erhärtet.It has now been found that a much easier and quicker way of working, to produce such coatings, it is possible that instead of applying of the pastes customary up to now, the concentrated solutions of the PhenoWdehydkondensationsprodukte first sprays on, spreads on or dips the objects to be coated into them and then the powdery substances, such as quartz flour, feldspar powder, asbestos flour, fireclay flour, Talc, wood flour, brick dust, etc., looks up, inflates, dusts or splashes on and then, after repeating this process several times, the coating by once Heating hardens.

Auf diese Weise erhält man durch größere oder kleinere Anhäufungen genannter Pulver eine leichtere Annäherung der Ausdehnungskoeffizienten der Massen an die der Metalle usw. als beim Auftra_gen, Aufpinseln, Aufpressen und bei ähnlichen Verfahren. Es lä.ßt sich dadurch eine gewisse Verzapfung und Verfestigung der Einzelüberzüge erreichen, die beim Erhitzen zu einer homogenen Masse zusammenschmelzen und.--hierdurch einen wertvollen Überzug für die angegebene Beanspruchung durch Chemikalien darstellen. Es ist nach dem neuen Verfahren nicht mehr nötig, die Erhitzungen nach jeder Besiebung auszuführen, sondern nur zum Schluß nach der letzten Stufe. Man kann bei den letzten Überzügen die Pulverstoffe ganz weglassen. Da sich dadurch ein glatter oder auch rauher Überzug auf Metalle, Pappe usw. erzielen läßt, wie er für die verschiedensten Verwendungszwecke chemischer und anderer Industriezweige dienlich ist, so bilden die so erhaltenen Überzüge einen wertvollen Schutz der verschiedenen Metalle, Metallegierungen USW. In this way, through larger or smaller accumulations of the named powders, the coefficients of expansion of the masses are more easily approximated to those of the metals etc. than with application, brushing, pressing and similar processes. A certain degree of mortise and solidification of the individual coatings can thereby be achieved, which melt together to a homogeneous mass when heated and thus represent a valuable coating for the specified chemical stress. According to the new process, it is no longer necessary to carry out the heating after each sieving, but only at the end after the last stage. You can leave out the powders completely for the last coatings. Since this enables a smooth or even rough coating to be achieved on metals, cardboard, etc., which is useful for a wide variety of uses in chemical and other branches of industry, the coatings thus obtained provide valuable protection for the various metals, metal alloys, etc.

Der neue und eigenartige technische Gedanke dieser Erfindung ist also der, daß es durch das gefundene Verfahren möglich ist, die Härtung des Kunstharzüberzuges, der aus mehreren Schichten besteht, durch Erhitzen in einem Arbeitsgang durchzuführen, während bisher diese Härtung durch Erhitzen jeder Einzelschicht nötig war. Durch eine einmalige Erhitzung an Stelle einer drei- bis viermaligen und unter Umständen noch häufigeren, wird eine große Ersparnis an Zeit und Geld erreicht und eine fortschrittliche technische Wirkung erzielt.So the new and peculiar technical idea of this invention is that it is possible by the method found, the hardening of the synthetic resin coating, which consists of several layers, to be carried out by heating in one operation, whereas previously this hardening was necessary by heating each individual layer. By a single heating instead of three to four times and possibly even more common, a great saving of time and money is achieved and an advanced one technical effect achieved.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung von gegen -chemische. Einflüsse widerstandsfähigen überzügen auf Metallen, Metallegierungen, Holz, Pappe, Kunststoffen usw. durch Auftragen konzentrierter Lösungen von Phenolaldehyäkondensationsprodukten auf den durch Beizen oder Rauhen usw. vorbehandelten Flächen, dadurch gekennzeichnet, -daß die konzentrierte Lösung, auf die Gegenstände aufgetragen, darauf die trok kenen Füllstoffe aufgebracht werden, und daß endlich der Überzug nach mehrmaliger Wiederholung beider Maßnahmen ,durch einmaliges Erhitzen erhärtet wird. PATENT CLAIM: Process for the production of counter-chemical. Influences of resistant coatings on metals, metal alloys, wood, cardboard, plastics, etc. by applying concentrated solutions of phenol aldehyde condensation products on the surfaces pretreated by pickling or roughening, etc., characterized in that the concentrated solution, applied to the objects, then the dry ones Fillers are applied, and that finally the coating, after repeating both measures several times, is hardened by heating once.
DEI27310D 1926-01-26 1926-01-26 Process for the production of coatings on metals, etc., which are resistant to chemical influences Expired DE497056C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI27310D DE497056C (en) 1926-01-26 1926-01-26 Process for the production of coatings on metals, etc., which are resistant to chemical influences

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI27310D DE497056C (en) 1926-01-26 1926-01-26 Process for the production of coatings on metals, etc., which are resistant to chemical influences

Publications (1)

Publication Number Publication Date
DE497056C true DE497056C (en) 1930-05-01

Family

ID=7186735

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI27310D Expired DE497056C (en) 1926-01-26 1926-01-26 Process for the production of coatings on metals, etc., which are resistant to chemical influences

Country Status (1)

Country Link
DE (1) DE497056C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1040429B (en) * 1942-06-01 1958-10-02 Pauline M Bach Process for the production of burned-in organic protective coatings on metals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1040429B (en) * 1942-06-01 1958-10-02 Pauline M Bach Process for the production of burned-in organic protective coatings on metals

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