DE723201C - Double-layer film for lining containers made of concrete, wood, iron or the like. - Google Patents

Double-layer film for lining containers made of concrete, wood, iron or the like.

Info

Publication number
DE723201C
DE723201C DED85235D DED0085235D DE723201C DE 723201 C DE723201 C DE 723201C DE D85235 D DED85235 D DE D85235D DE D0085235 D DED0085235 D DE D0085235D DE 723201 C DE723201 C DE 723201C
Authority
DE
Germany
Prior art keywords
concrete
film
wood
double
iron
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
DED85235D
Other languages
German (de)
Inventor
Josef Buss
Dr-Ing Albert Schmid
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.)
DYNAMIT AG
Original Assignee
DYNAMIT 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 DYNAMIT AG filed Critical DYNAMIT AG
Priority to DED85235D priority Critical patent/DE723201C/en
Application granted granted Critical
Publication of DE723201C publication Critical patent/DE723201C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/26Lining or sheathing of internal surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)

Description

Doppelschichtige Folie zur Auskleidung von Behältern aus Beton, Holz, Eisen o. dgl.Double-layer film for lining containers made of concrete, wood, Iron or the like

Um Lagerbehälter auf ihrer Innenseite gegen Säure und sonstige chemische Einflüsse beständig zu machen, werden sie häufig mit Folien aus gegen Chemikalien beständigen Stoffen ausgekleidet. Für diese Auskleidung sind Folien aus Poiyvinyichloriden besonders geeignet. In derselben Weise können Gegenstände, die außen von einem chemisch angreifenden Mittel gespült werden oder bespiilt sind, eine OberflächZenverk1eidung erhalten. To protect storage containers on their inside against acid and other chemical To make influences resistant, they are often made with foils against chemicals lined with resistant fabrics. Foils made of polyvinyl chloride are used for this lining particularly suitable. In the same way, objects that are outside of a chemical can aggressive agents are rinsed or sprayed on, a surface covering obtain.

Schwierigkeiten treten auf, sobald es sich um räumlich stark ausgedehnte Behälter oder Gegenstände handelt, die ausgekleidet bzw. ganz oder teilweise umkleidet werden sollen. Difficulties arise as soon as the space is vastly extended Containers or objects that are lined or completely or partially encased should be.

In solchen Fällen macht sich die Tatsache unangenehm bemerkbar, daß Polyvinylchlorid einen viel höheren Wärmeausdehaungskoeffizienten hat als Metall und andere Werkstoffe. Ferner muß besonders bei Beton, aber auch bei Holz 0. dgl. damit gerechnet werden, daß der zu verkleidende Gegenstand im Laufe der Zeit feinere oder auch gröbere, oberflächliche oder durchgehende Risse erhält. Die gut aufgeklebte Verkleidungsfolie wird bei solchen Rißbildungen ebenso wie bei großem Wärmegefälle mit aufreißen. Das Aufreißen der Verkleidung muß aber unter allen Umständen vermieden werden, wenn der Schutz wirksam bleiben soll.In such cases the fact that Polyvinyl chloride has a much higher coefficient of thermal expansion than metal and other materials. Furthermore, especially with concrete, but also with wood 0. it can be expected that the object to be disguised will become finer in the course of time or even larger, superficial or continuous cracks. The well glued Cladding film is the same with such cracks as with large heat gradients with tear open. The tearing open of the cladding must be avoided under all circumstances if the protection is to remain in effect.

Dieser Mißstand wird beseitigt, wenn man erfindungsgemäß zum Auskleiden der Gefäße usw. eine doppelschichtige Folie benutzt, deren eine Schicht aus Polyvinylchlorid besteht. Auf diese Polyvinylchloridfolie wird unter Druck und/bzw. Hitze, gegebenenfalls unter Hinzuwägung eines geeigneten Kleblemittels auf ihrer einen Oberfläche in an sich bekannter Weise eine Folie aus Polyisobutylen, das mit Füllstoff versehen sein kann, aufgebracht. Dadurch entsteht eine V;erbundfoli,e, deren eine Oberfläche nur aus Polyvinylchlorid besteht, also gegen Chemikalien hoch beständig ist, während die andere Folienseite aus Polyisobutylen besteht, das sich in bekannter Weise gut auf Metall, Beton oder Holz aufkleben läßt, ohne allerdings die gleiche Beständig. keit gegen Chemikalien zu haben wie Polytinylchlorid. Diese Verbundfolie wird auf den zu schützenden Gegenstand mit der Pols. isobutylenseite aufgeklebt, so daß nur die Polyvinylchloridseite im Betrieb dem chemischen Angriff ausgesetzt ist. Dadurch wird die gleiche Beständigkeit gegen Chemikalien erzielt wie bei Verkleidung mit reiner Polyvinylchloridfolie. Die Gefahr des Reißens der Verbundfolie ist aber vermieden, da die zwischengeschaltete Schicht aus Polyisobutylen infolge ihrer hohen Elastizität etwaige örtliche Spannungen überbrückt und ausgleicht. This deficiency is eliminated if one according to the invention for undressing of the vessels etc. uses a double-layer film, one layer of which is made of polyvinyl chloride consists. On this polyvinyl chloride film is under pressure and / or. Heat, if necessary with the addition of a suitable adhesive on one of its surfaces in an is known to be a film made of polyisobutylene, which can be provided with filler can, applied. This creates a bundled film, one surface of which is only consists of polyvinyl chloride, so it is highly resistant to chemicals, while the other side of the film consists of polyisobutylene, which works well in a known manner stick on metal, concrete or wood leaves, but without the same persistence. resistance to chemicals such as polytinyl chloride. This composite film is on the object to be protected with the pole. isobutylene side glued on, so that only the polyvinyl chloride side is exposed to chemical attack during operation is. This achieves the same chemical resistance as cladding with pure polyvinyl chloride film. However, there is a risk of the composite film tearing avoided because the intermediate layer of polyisobutylene due to its high Elasticity bridges and compensates for any local tension.

Man kann auch so vorgehen, daß auf den zu verkleidenden Gegenstand zuerst eine Folie aus Polyisobutylen aufgeklebt wird und auf diese nachträglich die Polyvinyichloridfolie. One can also proceed in such a way that on the object to be disguised first a film made of polyisobutylene is glued on and on this afterwards the polyvinyl chloride film.

Damit wird ebenfalls die beschriebene zusammengesetzte Folie erzielt. Doch ist das Verfahren der vorherigen Herstellung einer Verbundfolie und der gemeinsamen Aufbrin gung dieser Folie auf den zu verkleidenden Gegenstand in der Anwendung bequemer.The composite film described is thus also achieved. However, the method is the previous production of a composite film and the common Application of this film to the object to be covered is more convenient to use.

^ ,bendrein harze beschriebene Verbund. folie den Vorteil, daß sie sich auf Beton besser verarbeiten- -läßt als die reine Polyvinylchloridfolie, da Polyisobutylen, das fast immer mit Füllstoffen versehen ist, auch auf nicht besonders vorbereitetem Beton besser haftet als Poiyvinylchlorid. ^, also resin described composite. slide the advantage that they can be processed better on concrete than the pure polyvinyl chloride film, because Polyisobutylene, which is almost always filled with fillers, even on not particularly prepared concrete adheres better than polyvinyl chloride.

Claims (1)

PATENTANSPRUCH: Doppelschichtige Folie zum Auskleiden von Behältern aus Beton, Holz, Metallen o. dgl., bestehend aus einer Folie aus Polyvinylchlorid, die durch Druck und Wärme mit einer Folie aus Polyisobutylen verbunden ist. PATENT CLAIM: Double-layer film for lining containers made of concrete, wood, metals or the like, consisting of a film made of polyvinyl chloride, which is bonded to a polyisobutylene film by means of pressure and heat.
DED85235D 1941-06-13 1941-06-13 Double-layer film for lining containers made of concrete, wood, iron or the like. Expired DE723201C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED85235D DE723201C (en) 1941-06-13 1941-06-13 Double-layer film for lining containers made of concrete, wood, iron or the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED85235D DE723201C (en) 1941-06-13 1941-06-13 Double-layer film for lining containers made of concrete, wood, iron or the like.

Publications (1)

Publication Number Publication Date
DE723201C true DE723201C (en) 1942-07-30

Family

ID=7064230

Family Applications (1)

Application Number Title Priority Date Filing Date
DED85235D Expired DE723201C (en) 1941-06-13 1941-06-13 Double-layer film for lining containers made of concrete, wood, iron or the like.

Country Status (1)

Country Link
DE (1) DE723201C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082043B (en) * 1952-10-08 1960-05-19 S Lavorazione Materie Plastich Method for sheathing a pipe with a layer of thermoplastic material
DE1227960B (en) * 1961-02-04 1966-11-03 Johann Keil Rundfunkgeraetegehaeuse, whose rigid wall parts are covered with a plastic film

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082043B (en) * 1952-10-08 1960-05-19 S Lavorazione Materie Plastich Method for sheathing a pipe with a layer of thermoplastic material
DE1227960B (en) * 1961-02-04 1966-11-03 Johann Keil Rundfunkgeraetegehaeuse, whose rigid wall parts are covered with a plastic film

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