ANTIBACTERIAL POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE

• Main Authors: KITAGAWA MASAKI, SOMA MINORU
• Format: Patent
• Language: English; Japanese
• Published: 22.06.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide an antibacterial polycarbonate resin composition having all of high transparency, high antibacterial properties and high shock resistance, and heat resistance, wet heat resistance and chemical resistance.SOLUTION: An antibacterial polycarbonate resin composition contains, based on 100 pts.mass of an aromatic polycarbonate resin (A) having a viscosity average molecular weight of 17,000-28,000, 5-80 pts.mass of a thermoplastic resin (B) excluding the aromatic polycarbonate resin (A), having a tension elastic modulus according to ISO527-1.2 of 1.0-2.5 GPa and an elastic modulus according to ISO489 of 1.45-1.59, and 0.1-2.5 pts.mass of an inorganic oxide (C) containing at least one of Ag, Zn, Zr and Cu elements, and has a haze value in a plate of a thickness of 2 mm of 20% or less.SELECTED DRAWING: None 【課題】高い透明度と高度の抗菌性と高い耐衝撃性、さらには耐熱性と耐湿熱性、耐薬品性の全てを併せ有する抗菌性ポリカーボネート樹脂組成物。【解決手段】粘度平均分子量が１７０００～２８０００の芳香族ポリカ-ボネート樹脂（Ａ）１００質量部に対し、ＩＳＯ５２７－１．２による引張弾性率が１．０～２．５ＧＰａかつＩＳＯ４８９による屈折率が１．４５～１．５９である、芳香族ポリカ-ボネート樹脂（Ａ）以外の熱可塑性樹脂（Ｂ）５～８０質量部、及び、Ａｇ、Ｚｎ、ＺｒまたはＣｕ元素を少なくとも一つ含有する無機酸化物（Ｃ）０．１～２．５質量部を含有し、厚さ２ｍｍのプレートでのヘイズ値が２０％以下であることを特徴とする抗菌性ポリカーボネート樹脂組成物。【選択図】なし