POLYCARBONATE RESIN COMPOSITION, HEAT RAY-SHIELDING MOLDED ARTICLE, AND HEAT RAY-SHIELDING LAMINATE
申请人:Sumitomo Metal Mining Co., Ltd.
公开号:EP3409723A1
公开(公告)日:2018-12-05
The present invention provides a polycarbonate resin composition capable of suppressing the deterioration of the weather resistance of the infrared shielding material fine particles, which is caused under the influence of the heat generated when receiving sunlight, and under the influence of moisture and oxygen in the air, the composition including: a composite tungsten oxide fine particle (A), a weather resistance improver (B), and a polycarbonate resin (C), wherein the composite tungsten oxide fine particle (A) is expressed by a general formula MxWOy, and the weather resistance improver (B) is any one of those containing a phosphite compound (B1), or those containing the phosphite compound and one or more kinds selected from a hindered phenol-based stabilizer, a phosphoric acid-based stabilizer and a sulfur-based stabilizer (B2), or those containing a hindered phenol-based stabilizer and one or more kinds selected from a phosphoric acid-based stabilizer and a sulfur-based stabilizer (B3), and an addition amount of the weather resistance improver (B) is 0.1 parts by weight or more and 20 parts by weight or less, based on 1 parts by weight of the composite tungsten oxide fine particles (A), and provides a heat ray shielding molded body and a heat ray shielding lamination body produced using the polycarbonate resin composition.
本发明提供了一种聚碳酸酯树脂组合物,该组合物能够抑制红外线屏蔽材料细颗粒在接受阳光照射时产生的热量影响下以及在空气中的水分和氧气影响下引起的耐候性恶化,该组合物包括: 复合氧化钨细颗粒(A)、耐候性改进剂(B)和聚碳酸酯树脂(C):复合氧化钨细粒 (A)、耐候性改进剂 (B) 和聚碳酸酯树脂 (C),其中复合氧化钨细粒 (A) 用通式 MxWOy 表示,耐候性改进剂 (B) 是含有亚磷酸酯化合物 (B1) 的改进剂中的任一种、或含有亚磷酸酯化合物和一种或多种从受阻酚基稳定剂、磷酸基稳定剂和硫基稳定剂中选出的稳定剂 (B2),或含有受阻酚基稳定剂和一种或多种从磷酸基稳定剂和硫基稳定剂中选出的稳定剂 (B3),耐候性改进剂 (B) 的添加量为 0.以 1 份(重量)的复合氧化钨细颗粒(A)为基准,耐候性改进剂(B)的添加量为 0.1 份(重量)或更多,20 份(重量)或更少,并提供使用该聚碳酸酯树脂组合物生产的热射线屏蔽模制体和热射线屏蔽层压体。