公开(公告)号：EP3647388A1

公开(公告)日：2020-05-06

申请号：EP18806280.6

申请日：2018-05-17

申请人： Sumitomo Metal Mining Co., Ltd.

发明人： KOBAYASHI Hiroshi ,  FUJITA Kennichi ,  TSUNEMATSU Hirofumi ,  CHONAN Takeshi

IPC分类号： C09K3/00 ,  B32B17/10 ,  B32B27/20 ,  B32B27/30 ,  B32B27/36 ,  C01G41/00 ,  C03C17/32 ,  C03C27/12 ,  C08J7/04 ,  C08K3/22 ,  C08K5/07 ,  C08K5/29 ,  C08K5/3492 ,  C08L101/00 ,  C09D5/32 ,  C09D7/61 ,  C09D201/00 ,  G02B5/22

摘要： There are provided a near-infrared shielding ultrafine particle dispersion body, and others, having excellent near-infrared shielding function, low haze value and excellent in design, with suppressed change in color tone during outdoor use and blue haze phenomenon, using near-infrared shielding ultrafine particles transparent in a visible light range, having excellent near-infrared shielding properties, and produced with high productivity, and is provided a near-infrared shielding ultrafine particle dispersion body in which ultra-fine particles having near-infrared shielding properties are dispersed in a solid medium, wherein the ultrafine particles are composite tungsten oxide ultrafine particles (A) represented by a general formula MxWyOz, and have an XRD peak top intensity ratio value of 0.13 or more based on an XRD peak intensity ratio value of 1 on plane (220) of a silicon powder standard sample, and the solid medium contains a resin binder (B) and a weather resistance improver (C), and the weather resistance improver (C) includes at least one selected from a benzotriazole-based UV absorber, a triazine-based UV absorber, and a benzophenone-based UV absorber.