To provide a resin molding for vehicle member which has high adhesion between a skin layer containing a plasticizer and a polyurethane foam layer and has good thermal aging resistance of the skin layer.SOLUTION: A resin molding 1 for vehicle member has a skin layer 2 and a core material layer 5, and a polyurethane foam layer 4 between the layers, in which the skin layer 2 contains a plasticizer, an adhesive barrier layer 3 composed of an acrylic resin containing a hydroxyl group is arranged between the skin layer 2 and the polyurethane foam layer 4, and the acrylic resin containing the hydroxyl group contains 20 mass% or more and 60 mass% or less of a (meth)acrylate-derived constitutional unit having the hydroxyl group and 40 mass% or more and 80 mass% or less of a methyl (meth)acrylate-derived constitutional unit.SELECTED DRAWING: Figure 1
【課題】可塑剤を含む表皮層とポリウレタン発泡層の接着性が高いとともに、表皮層の耐熱老化性が良好である車両部材用樹脂成形品を提供する。【解決手段】本発明は、表皮層2と芯材層5と、これらの層間にポリウレタン発泡層4を有する車両部材用樹脂成形品1であって、表皮層2は可塑剤を含み、表皮層2とポリウレタン発泡層4との間に、水酸基を含有するアクリル系樹脂で構成されている接着バリア層3が配置されており、前記水酸基を含有するアクリル系樹脂は、水酸基を有する(メタ)アクリレート由来の構成単位を20質量%以上60質量%以下、メチル(メタ)アクリレート由来の構成単位を40質量%以上80質量%以下含む車両部材用樹脂成形品に関する。【選択図】図1
RESIN MOLDING FOR VEHICLE MEMBER
車両部材用樹脂成形品
2020-10-08
Patent
Elektronische Ressource
Japanisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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