PROBLEM TO BE SOLVED: To provide a vehicle exterior part which contains a polypropylene resin material as a main component and has high weather resistance and texture.SOLUTION: There is provided a vehicle exterior part which contains a polypropylene resin composition containing a polypropylene resin material and a nucleus agent and a master batch, where the polypropylene resin composition has an intrinsic viscosity of a xylene soluble content of 0.9-1.3dl/g, the polypropylene resin material is obtained by forming an ethylene-1-butene copolymer having an ethylene unit of 74-86 mass% in the presence of an ethylene-propylene copolymer having an ethylene unit of 1.2 mass% or less or homopolypropylene, and the master batch contains 0.015 mass% or more of a black pigment and 0.005 mass% or more of a weather resistant ingredient in combination with an ultraviolet absorber and a light stabilizer.SELECTED DRAWING: Figure 1

    【課題】主たる成分がポリプロピレン系樹脂材料でありかつ高い耐候性及び質感を有する車両用外装部品を提供する。【解決手段】ポリプロピレン系樹脂材料及び核剤を含むポリプロピレン樹脂組成物と、マスターバッチとを含有し、ポリプロピレン樹脂組成物は、キシレン可溶分の極限粘度が0.9〜1.3dl/gであり、ポリプロピレン系樹脂材料は、エチレン単位が1.2質量%以下のエチレン・プロピレン共重合体またはホモポリプロピレンの存在下でエチレン単位が74〜86質量%のエチレン・1−ブテン共重合体を形成させたものであり、マスターバッチは、黒色顔料を0.015質量%以上、紫外線吸収剤及び光安定剤を併せた耐候性処方成分を0.005質量%以上含む。【選択図】図1


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    Titel :

    VEHICLE EXTERIOR PART AND METHOD FOR MANUFACTURING VEHICLE EXTERIOR PART


    Weitere Titelangaben:

    車両用外装部品及び車両用外装部品の製造方法


    Beteiligte:
    YANAGI DAISUKE (Autor:in)

    Erscheinungsdatum :

    2017-09-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / C08J Verarbeitung , WORKING-UP



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