光拡散性ポリカーボネート樹脂組成物

Light diffusing polycarbonate resin composition

Abstract

【課題】LED光効率向上を目的とした光学特性の改良、具体的には光拡散性および光効率に優れた樹脂組成物およびその成形体を提供する。 【解決手段】(A)ポリカーボネート樹脂(A成分)100重量部に対し、(B)光拡散剤(B成分)0.05〜10重量部および(C)多価アルコールと脂肪酸からなるエステル化合物(C成分)0.5〜5重量部を含有し、かつC成分における多価アルコールのヒドロキシ基と脂肪酸のカルボキシル基とのモル比(ヒドロキシ基/カルボキシル基)が4〜8の範囲にあることを特徴とする光拡散性ポリカーボネート樹脂組成物。 【選択図】なし
PROBLEM TO BE SOLVED: To improve optical characteristics intended to increase LED light efficiency, concretely speaking to provide a resin composition excellent in light diffusing property and light efficiency and a molded body of the resin composition.SOLUTION: A light diffusing polycarbonate resin composition is provided which contains based on (A) a polycarbonate resin (A component) of 100 pts.wt., (B) a light diffusion agent (B component) of 0.05 to 10 pts.wt. and (C) an ester compound composed of polyalcohol and aliphatic acid (C component) of 0.5 to 5 pts.wt., and in which a molar ratio (hydroxyl group/carboxyl group) between a hydroxyl group of the polyalcohol and a carboxyl group of the aliphatic acid in the C component is in the range of 4 to 8.SELECTED DRAWING: None

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    DE-102017111706-A1November 30, 2017Nichia CorporationLichtemissionsvorrichtung