COLORED ALUMINUM PLATE

• Main Authors: IKEYAMA YUSUKE, SONE NOBUYUKI, SATO FUMIKAZU
• Format: Patent
• Language: English; Japanese
• Published: 01.11.2018
• Subjects: APPARATUS THEREFOR; CHEMISTRY; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; PERFORMING OPERATIONS; PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROMOBJECTS; TRANSPORTING

To provide a colored aluminum plate having excellent moldability.SOLUTION: There is provided a colored aluminum plate comprising an aluminum base material and a resin layer disposed thereon, wherein the resin layer contains an inorganic pigment, the aluminum base material and the resin layer are in direct contact with each other, the resin layer-side surface of the aluminum base material has the arithmetic average roughness Ra of 0.2-0.8 μm, and the resin layer-side surface of the aluminum base material has at least one uneven structure selected from: an uneven structure having recessed parts with the average opening diameter of >5 μm and ≤100 μm; an uneven structure having recessed parts with the average opening diameter of >0.5 μm and ≤5 μm; and an uneven structure having recessed parts with the average opening diameter of >0.01 μm and ≤0.5 μm.SELECTED DRAWING: None 【課題】本発明は、成形性に優れた着色アルミニウム板を提供することを課題とする。【解決手段】アルミニウム基材と、アルミニウム基材上に設けられる樹脂層とを有する、着色アルミニウム板であって、樹脂層が無機顔料を含有し、アルミニウム基材と樹脂層とが直接接しており、アルミニウム基材の樹脂層側の表面の算術平均粗さＲａが０．２〜０．８μｍであり、アルミニウム基材の樹脂層側の表面が、平均開口径が５μｍ超１００μｍ以下の凹部を含む凹凸構造、平均開口径が０．５μｍ超５μｍ以下の凹部を含む凹凸構造、および、平均開口径が０．０１μｍ超０．５μｍ以下の凹部を含む凹凸構造からなる群から選択される少なくとも１つの凹凸構造を有する、着色アルミニウム板。【選択図】なし