AT202016B - Cover composite film - Google Patents
Cover composite filmInfo
- Publication number
- AT202016B AT202016B AT663857A AT663857A AT202016B AT 202016 B AT202016 B AT 202016B AT 663857 A AT663857 A AT 663857A AT 663857 A AT663857 A AT 663857A AT 202016 B AT202016 B AT 202016B
- Authority
- AT
- Austria
- Prior art keywords
- composite film
- cover composite
- cover
- film
- films
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title description 4
- 239000010408 film Substances 0.000 description 10
- 239000004698 Polyethylene Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000013039 cover film Substances 0.000 description 3
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Description
<Desc/Clms Page number 1>
Abdeckverbundfolie
Es sind bereits zahlreiche Ausführungen von Abdeckfolien für Kraftfahrzeuge, Maschinen, Baugeräte usw. bekannt, die z. B. aus Poly- äthylen- oder PVC-Folien angefertigt werden.
PVC-Folien haben im allgemeinen den Nachteil geringerer Kältefestigkeit und mit den üblichen Weichmachern keine Beständigkeit gegen Nitrolacke ; Polyäthylenfolien dagegen werden bei Sonnenbestrahlung verhältnismässig schnell durch UV-Oxydation zerstört und sind daher für die Verwendung im Freien wenig geeignet. Es ist ferner bekannt, Polyäthylenfolien zur Erhöhung der Lichtstabilität Russ zuzusetzen ; diese schwarz gefärbten Folien finden aber beim Publikum nicht den gewünschten Anklang. Zudem erfolgt bei einer schwarzen Abdeckfolie eine zu starke Erwärmung des abgedeckten Gegenstandes bei Sonnenbestrahlung. Auch eine Kautschukverbundfolie, bestehend aus einem doppelwandigen Kautschukmaterial mit einer Stahldrahtgewebeeinlage wurde als Abdeckfolie vorgeschlagen.
Diese Folie weist aber auch nur eine geringe Lichtstabilität auf.
Die beschriebenen Nachteile werden bei der erfindungsgemässen Abdeckverbundfolie dadurch vermieden, dass sie aus zwei Polyäthylenfolien besteht, von denen die eine mit Lichtstabilisatoren, z. B. Russ, eingefärbt und Träger der mechanischen Festigkeit ist, während die andere beliebig eingefärbt oder zur Reflexion von Wärmestrahlung pigmentiert ist. Die äussere, beliebig eingefärbte oder pigmentierte Folie be-
EMI1.1
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Cover composite film
There are already numerous versions of cover films for motor vehicles, machines, construction equipment, etc. known, the z. B. made of polyethylene or PVC films.
PVC films generally have the disadvantage of lower resistance to cold and, with the usual plasticizers, no resistance to nitrocellulose lacquers; Polyethylene films, on the other hand, are destroyed relatively quickly by UV oxidation when exposed to sunlight and are therefore not very suitable for outdoor use. It is also known to add carbon black to polyethylene films to increase the light stability; however, these black-colored foils do not meet with the desired audience. In addition, if the cover film is black, the covered object will heat up too much when exposed to sunlight. A rubber composite film consisting of a double-walled rubber material with a steel wire mesh insert has also been proposed as the cover film.
However, this film also has only low light stability.
The disadvantages described are avoided in the composite cover film according to the invention in that it consists of two polyethylene films, one of which is provided with light stabilizers, e.g. B. soot, colored and carrier of the mechanical strength, while the other is colored or pigmented to reflect thermal radiation. The outer, any colored or pigmented film
EMI1.1
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202016X | 1956-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT202016B true AT202016B (en) | 1959-02-10 |
Family
ID=5769268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT663857A AT202016B (en) | 1956-10-17 | 1957-10-14 | Cover composite film |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT202016B (en) |
-
1957
- 1957-10-14 AT AT663857A patent/AT202016B/en active
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