MULTILAYER COATING FILM AND METHOD FOR FORMING MULTILAYER COATING FILM

To provide a multilayer coating film composed of a first coating film, a second coating film and a clear coating film, in which luminance is recognized while lightness and saturation are low.SOLUTION: A multilayer coating film comprises: a first coating film; a second coating film; and a clear coati...

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Bibliographische Detailangaben
Hauptverfasser:	UEHARA TAMAMI, KITAGAWA SAKURA, KIKUCHI YUKA, TAKAO CHISATO, SAKOYAMA KAZUAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide a multilayer coating film composed of a first coating film, a second coating film and a clear coating film, in which luminance is recognized while lightness and saturation are low.SOLUTION: A multilayer coating film comprises: a first coating film; a second coating film; and a clear coating film in this order. The first coating film is a cured coating film of a first coating composition comprising a first coating film formation resin and a brilliant pigment, the second coating film is a cured coating film of a second coating composition comprising a second coating film formation resin and a coloring pigment, the brilliant pigment comprised in the first coating film comprises a flaky aluminum pigment, and the content of the coloring pigment comprised in the second coating film lies in the range of 1.5 to 6 pts.mass with respect to 100 pts.mass of a resin solid content comprised in the coating film. In the multilayer coating film, a brilliant area Sa (45°) value at an incidence angle of 45° and an acceptance angle of 45° is 8 or more to 35 or less, a brilliant intensity Si (15°) value at an incidence angle of 45° and an acceptance angle of 15° is 1 or more to 18 or less, and an L*(25°) value at an incidence angle of 45° and an acceptance angle of 25° is 5 or more to 25 or less.SELECTED DRAWING: None 【課題】明度および彩度が低い一方で輝度が認識される、第１塗膜、第２塗膜およびクリヤー塗膜から構成される複層塗膜を提供すること。【解決手段】第１塗膜、第２塗膜およびクリヤー塗膜をこの順に有する複層塗膜であって、第１塗膜は第１塗膜形成樹脂および光輝性顔料を含む第１塗料組成物の硬化塗膜であり、第２塗膜は第２塗膜形成樹脂および着色顔料を含む第２塗料組成物の硬化塗膜であり、第１塗膜中に含まれる光輝性顔料は鱗片状アルミニウム顔料を含み、第２塗膜中に含まれる着色顔料の含有量は塗膜に含まれる樹脂固形分１００質量部に対して１．５～６質量部の範囲内であり、記複層塗膜は、入射角４５°受光角４５°における光輝面積Ｓａ（４５°）値が８以上３５以下であり、入射角４５°受光角１５°における光輝強度Ｓｉ（１５°）値が１以上１８以下であり、入射角４５°受光角２５°におけるＬ＊（２５°）値が５以上２５以下である、複層塗膜。【選択図】なし