LIGHT REFLECTION BODY

• Main Authors: MINAMINO YUTAKA, EGUCHI KENICHIRO
• Format: Patent
• Language: English; Japanese
• Published: 18.11.2021
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide a light reflection body that efficiently molds a mixture in which an inorganic filler with high dispersibility in resin is dispersed in resin, to obtain a substrate, is provided with a metal layer on the surface of the substrate, and has high glossiness on a surface.SOLUTION: A light reflection body comprises: a substrate containing a resin material and calcium carbonate; and a metal layer provided on the surface of the substrate, where the resin material is selected from a group consisting of a polyester resin composition, a polyarylate resin composition, and a mixed resin composition thereof, and a BET specific surface area of the calcium carbonate is 1 to 15 m2/g.SELECTED DRAWING: None 【課題】樹脂への分散性が高い無機フィラーを樹脂に分散させた混合物を効率よく成形して基材を得、この基材の表面に金属層を設けた、表面の光沢度の高い光反射体を提供すること。【解決手段】樹脂材料と、炭酸カルシウムと、を含む基材と、該基材の表面に設けられた金属層とを備える、光反射体であって、該樹脂材料が、ポリエステル樹脂組成物、ポリアリレート樹脂組成物、およびこれらの混合樹脂組成物からなる群より選択され、該炭酸カルシウムのＢＥＴ比表面積が１〜１５ｍ２／グラムであることを特徴とする、前記光反射体を提供する。【選択図】なし