DE1173226B - Procedure for corrosion protection at the point of contact between two components - Google Patents

Procedure for corrosion protection at the point of contact between two components

Info

Publication number
DE1173226B
DE1173226B DEG29295A DEG0029295A DE1173226B DE 1173226 B DE1173226 B DE 1173226B DE G29295 A DEG29295 A DE G29295A DE G0029295 A DEG0029295 A DE G0029295A DE 1173226 B DE1173226 B DE 1173226B
Authority
DE
Germany
Prior art keywords
components
film
corrosion protection
contact
raw material
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.)
Pending
Application number
DEG29295A
Other languages
German (de)
Inventor
Dr-Ing Harry Berger
Dr Fritz M Depke
Heinrich W Mueller
Ernst Schoregge
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.)
Evonik Operations GmbH
Original Assignee
TH Goldschmidt 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 TH Goldschmidt AG filed Critical TH Goldschmidt AG
Priority to DEG29295A priority Critical patent/DE1173226B/en
Publication of DE1173226B publication Critical patent/DE1173226B/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F15/00—Other methods of preventing corrosion or incrustation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Description

Verfahren zum Korrosionsschutz an der Berührungsstelle zweier Bauelemente Bei vielen Konstruktionen kommt es vor, daß Bauteile aus gleichem oder verschiedenem Material einander eng berühren, wobei häufig noch eine gegenseitige schiebende oder rüttelnde Bewegung hinzukommt. Solche Fälle sind z. B. Schwellen des Eisenbahnoberbaues auf Brückenkonstruktionen, die Auflage von Wagenoberbauten auf das Chassis oder die zu verschraubenden Teile von Turm- oder Filigrankonstruktionen. Die Verwendung von Folien als Korrosionsschutz für Bauelemente oder die Verwendung von elastischen Kunststoffscheiben als Sicherungselement zwischen einander berührenden Bauelementen ist an sich bekannt, jedoch ist der an sich schon schwierige Korrosionsschutz gegenüber Regen, Luftfeuchtigkeit und anderen klimatischen Beeinflussungen in diesen Fällen bisher nicht befriedigend lösbar gewesen. Weiche und plastische Materialien werden durch die schiebende, stoßende und rollende Bewegung weggequetscht, härtere Anstriche zerrieben. Außerdem kann bei frei gegeneinander gelagerten Teilen noch eine Materialzerstörung allein durch die gegenseitige Reibung von in der Härte unterschiedlichen Bauelementen eintreten, die dann durch die parallellaufende Korrosion noch beschleunigt und vervielfacht wird.Process for corrosion protection at the point of contact between two components In many constructions it happens that components are made of the same or different Material touching each other closely, often with a mutual pushing or shaking movement is added. Such cases are e.g. B. Sleepers of the railway superstructure on bridge structures, the support of superstructures on the chassis or the parts of tower or filigree structures to be screwed together. The usage of foils as corrosion protection for components or the use of elastic Plastic washers as a securing element between components in contact with one another is known per se, but the already difficult corrosion protection is on the other hand Rain, humidity and other climatic influences in these cases not yet been satisfactorily solvable. Soft and plastic materials become squeezed away by the pushing, pushing and rolling movement, harder paintwork grated. In addition, parts that are freely supported against one another can destroy the material solely through the mutual friction of components with different hardnesses occur, which is then accelerated and multiplied by the parallel corrosion will.

Es hat sich nun überraschenderweise gezeigt, daß sich hier Abhilfe schaffen läßt durch das Einfügen einer Folie mit besonderen Eigenschaften, und zwar muß diese Folie, die in einer Dicke zwischen 1 und 10 mm zur Anwendung gelangen kann, zähelastisch und unschmelzbar sein, eine sehr feste, aber nicht spöde abriebbeständige Oberfläche besitzen und im Innern ein Gerüst kleinster, gegeneinander abgeschlossener Poren von einem Maximaldurchmesser unter einem Zehntel der Foliendicke aufweisen. Auf Grund der feinen Porenstruktur und der Zähelastizität des Folienmaterials können sich die Bauelemente unter ihrem gegeneinanderwirkenden Druck geringfügig in die Folie einpressen; sie werden dadurch in ihrer Bewegung gegeneinander beschränkt. Besonders vorteilhaft ist es, wenn die Folie mit einem der beiden Teile .durch einen aus gleichen oder mit dem Folienmaterial gut verträglichen Rohstoffen hergestellten Klebelack fest verbunden wird, der dabei möglichst lösungsmittelarm sein und in einem einzigen Auftrag Schichten von mindestens 150 w ergeben soll und den Korrosionsschutz des beklebten Bauelements mitübemimmt. Das zweite Bauelement soll möglichst einen Schutzüberzug mit demselben Klebelack erhalten, ohne daß eine feste Verbindung mit der Folie hergestellt werden muß.It has now been shown, surprisingly, that this can be remedied can be created by inserting a film with special properties, namely This film, which has a thickness between 1 and 10 mm, must be used can be tough, elastic and infusible, a very solid, but not brittle abrasion-resistant Have a surface and inside a framework of the smallest, mutually closed off Have pores with a maximum diameter of less than a tenth of the film thickness. Due to the fine pore structure and the tough elasticity of the film material the components under their opposing pressure slightly into the Press in foil; they are limited in their movement against each other. It is particularly advantageous if the film with one of the two parts .by a made from the same raw materials or raw materials that are well tolerated by the film material Adhesive varnish is firmly connected, which should be as low as possible and in a single application should result in layers of at least 150 w and the corrosion protection of the glued component. The second component should if possible one Protective coating obtained with the same adhesive varnish without a permanent connection with the film must be produced.

Die Materialauswahl für Folie und Klebelack ist gleichgültig, wenn nur die vorerwähnten Bedingungen erfüllt werden. Als besonders geeignet erwiesen haben sich zähelastische Materialien, wie Polyurethane, alkohol- oder aminverknüpfte Polyepoxyde und weichgemachtes PVC.The choice of material for film and adhesive varnish is irrelevant if only the aforementioned conditions are met. Proven to be particularly suitable tough elastic materials such as polyurethanes, alcohol or amine linked Polyepoxies and plasticized PVC.

Eine solche Folienzwischenlage schützt die Berührungsstelle der beiden Bauelemente für sehr lange Zeit und bewirkt außerdem noch in vielen Fällen eine Herabsetzung der Bewegungen innerhalb der Konstruktion, wodurch weitere bautechnische Vorteile erzielt werden.Such a foil intermediate layer protects the point of contact between the two Components for a very long time and also causes in many cases a Reduction of the movements within the construction, thereby further structural engineering Benefits can be achieved.

Claims (3)

Patentansprüche: 1. Verfahren zum Korrosionsschutz an der Berührungsstelle zweier Bauelemente gleichen oder verschiedenen Materials, d a d u r c h g e k e n nzeichnet, daß eine zähelastische und unschmelzbare Folie mit fester, aber nicht spröder abriebbeständiger Oberfläche und einem Innengerüst kleinster, gegeneinander abgeschlossener Poren von einem Maximaldurchmesser unter einem Zehntel der Foliendicke zwischen die einander berührenden Bauelemente eingefügt wird. Claims: 1. Method for corrosion protection at the point of contact two components of the same or different material, d u r c h e k e n indicates that a tough, elastic and infusible film with a firm, but not brittle abrasion-resistant surface and an inner structure of the smallest, against each other closed pores with a maximum diameter of less than a tenth of the film thickness is inserted between the touching components. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Folie durch einen Klebelack aus dem gleichen Rohstoff, aus dem die Folie hergestellt ist, oder einem mit dem Folienmaterial gut verträglichen Rohstoff mit einem der beiden Bauelemente fest verbunden wird. 2. Procedure according to Claim 1, characterized in that the film by an adhesive varnish from the same raw material from which the film is made is made, or one Raw material that is well tolerated by the film material with one of the two components is firmly connected. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß als Rohstoff Polyurethane, alkohol- oder aminverknüpfte Polyepoxyde, weichgemachtes PVC oder ähnliche zähelastische Materialien verwendet werden. In Betracht gezogene Druckschriften: Deutsche Auslegeschrift Nr. 1024 762; deutsches Gebrauchsmuster Nr. 1798 510.3. The method according to claim 1 or 2, characterized in that that as raw material polyurethanes, alcohol- or amine-linked polyepoxides, plasticized PVC or similar tough elastic materials can be used. Considered Publications: German Auslegeschrift No. 1024 762; German utility model No. 1798 510.
DEG29295A 1960-03-23 1960-03-23 Procedure for corrosion protection at the point of contact between two components Pending DE1173226B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEG29295A DE1173226B (en) 1960-03-23 1960-03-23 Procedure for corrosion protection at the point of contact between two components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG29295A DE1173226B (en) 1960-03-23 1960-03-23 Procedure for corrosion protection at the point of contact between two components

Publications (1)

Publication Number Publication Date
DE1173226B true DE1173226B (en) 1964-07-02

Family

ID=7123704

Family Applications (1)

Application Number Title Priority Date Filing Date
DEG29295A Pending DE1173226B (en) 1960-03-23 1960-03-23 Procedure for corrosion protection at the point of contact between two components

Country Status (1)

Country Link
DE (1) DE1173226B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1024762B (en) * 1954-12-06 1958-02-20 Chemieprodukte G M B H Corrosion protection tape made of plastic or rubber foil, especially for underground pipelines
DE1798510U (en) * 1957-12-24 1959-10-22 F M Tarbuk & Co LOCKING ELEMENT FOR SCREW LOCKING.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1024762B (en) * 1954-12-06 1958-02-20 Chemieprodukte G M B H Corrosion protection tape made of plastic or rubber foil, especially for underground pipelines
DE1798510U (en) * 1957-12-24 1959-10-22 F M Tarbuk & Co LOCKING ELEMENT FOR SCREW LOCKING.

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