File:PTFE-Beschichtung.jpg

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English: PTFE (polytetrafluorethylene) is a fully fluorinated polymer and is known as Teflon® by the company DuPont.

PTFE, in contrast to other fluoric plastics, cannot be processed like conventional thermo-plastics (e.g. extruding, injection molding, etc.). Work pieces made of PTFE are, for example, pressed out of PTFE-powder under high pressure and sintered afterwards.

PTFE-coatings are often applied with wet-varnish-procedures onto the work pieces. Therefore PTFE-particles in dispersion (e.g. with according carrier resins) are sprayed onto the work piece and dried afterwards.
Deutsch: PTFE (Polytetrafluorethylen) ist ein vollfluoriertes Polymer und ist umgangssprachlich auch unter dem Handelsnamen Teflon® der Firma DuPont bekannt.

PTFE kann im Unterschied zu anderen Fluorkunststoffen nicht wie ein herkömmliches Thermoplast verarbeitet (z.B. Extrudieren, Spritzgiessen usw.) werden. Bauteile aus PTFE werden z.B. aus PTFE-Pulver unter hohem Druck gepresst und anschließend gesintert.

Beschichtungen aus PTFE kommen häufig im Naß-Lack-Verfahren auf die Bauteile. Hierzu werden PTFE-Partikel in Dispersion (z.B. mit entsprechenden Trägerharzen) auf das Bauteil gesprüht und anschließend getrocknet.
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Diese Grafik wurde von mir persönlich erstellt. Sie wird in abgewandelter Form auf der Website obeko.de verwendet, ist allerdings ausdrücklich sowohl von mir als auch der Firma obeko für die Verwendung in Wikipedia bzw. Wikimedia Commons freigegeben.
Other versions Derivative works of this file:  PTFE-Beschichtung.png

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current14:44, 7 September 2010Thumbnail for version as of 14:44, 7 September 2010784 × 662 (77 KB)Dipl-ing-metaller (talk | contribs)Schatten entfernt
12:43, 7 September 2010Thumbnail for version as of 12:43, 7 September 2010784 × 662 (81 KB)Dipl-ing-metaller (talk | contribs)Wasserzeichen entfernt
07:18, 6 September 2010Thumbnail for version as of 07:18, 6 September 2010784 × 662 (84 KB)Dipl-ing-metaller (talk | contribs){{Information |Description={{en|1=PTFE (polytetrafluorethylene) is a fully fluorinated polymer and is known as Teflon® by the company DuPont. PTFE, in contrast to other fluoric plastics, cannot be processed like conventional thermo-plastics (e.g. extrudi

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