Flocking embraces the coating of an extruded rubber profile with short (0.3-3 mm) monofilament textile fibers, to enable sealing against automotive surfaces (e.g. glass, metal, finish) moving against and over the rubber surface. Flocking of thermoset rubbers - EPDM, SBR, CR - is well establsihed with automotive profiles. New technology has been developed for flocking extruded profiles of elastomeric alloy thermoplastic elastoemrs (EA-TPEs), to give belt line seals, automotive glass run channels and other sealing profiles. These flocked EA-TPE profiles have a number of practical advantages over ones from thermoset EPDM rubber, including: the efficiency and economy of thermoplastic over thermoset rubber processing; closer dimensional tolerances, to enable the fabrication of more intricate profiles; and superior long-term aging in air.
Flocking of elastomeric alloy thermoplastic rubber profiles
Beflocken, thermoplastischer Gummiprofile aus elastomeren Gemischen
SAE-Papers ; 1-7
1991
7 Seiten, 9 Bilder, 5 Quellen
Aufsatz (Konferenz)
Englisch
BEFLOCKEN , THERMOPLAST , GUMMI , FENSTERDICHTUNG , KRAFTFAHRZEUG , ELASTOMER , PROFIL (BAUELEMENT) , OBERFLAECHE , DICHTUNG , GLEITEN , GLAS , TEXTILFASER
Flocking of Elastomeric Alloy Thermoplastic Rubber Profiles
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