BUILDING MATERIALS OF HIGH-CHASSIS PVC WITH PAINTING-METHOD

A painting method of PVC(Polyvinyl Chloride) high-chassis for building materials is provided to manufacture products of various colors according to the color of paints and to prevent discoloration by UV(Ultraviolet) coating. A painting method of PVC(Polyvinyl Chloride) high-chassis for building mate...

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Bibliographische Detailangaben
Hauptverfasser: JUNG, HYEON YOON, HE, JIN CHUL
Format: Patent
Sprache:eng
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Zusammenfassung:A painting method of PVC(Polyvinyl Chloride) high-chassis for building materials is provided to manufacture products of various colors according to the color of paints and to prevent discoloration by UV(Ultraviolet) coating. A painting method of PVC(Polyvinyl Chloride) high-chassis for building materials comprises a cleaning step for cleaning and naturally drying PVC products(S100); a foreign material removing step for removing foreign materials remaining on the surface of the PVC product(S200); a drying step for drying the PVC product by the hot air of a hot air blower installed at the outside(S300); a priming step for firstly applying the ink on the surface of the PVC product by a sprayer, in order to wet the inside of the PVC product and then drying the PVC product coated with the ink, for 5~6 minutes by the hot air of 40~50°C(S400); a second coating step for secondly applying the ink on the surface of the PVC product by the sprayer and then drying the PVC product coated with the ink, for 20~25 minutes by the hot air of 60~70°C(S500); a finishing coat step for applying UV paints on the surface of the PVC product(S600); and a UV drying step for drying the PVC product by UV rays while the PVC product passes through the space where an UV lamp is installed(S700).