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.
提供了一种近红外屏蔽超微粒子分散体等,具有优异的近红外屏蔽功能、低雾值和出色的设计,在室外使用时可抑制色调变化和蓝雾现象,使用在可见光范围内透明的近红外屏蔽超微粒子,具有优异的近红外屏蔽性能、提供了一种近红外屏蔽超细粒子分散体,在该分散体中,具有近红外屏蔽性能的超细粒子分散在固体介质中,其中超细粒子是由通式 MxWyOz 表示的复合
氧化钨超细粒子 (A),其 XRD 峰顶强度比值为 0.13 或更高,基于
硅粉标准样品平面(220)上的 XRD 峰顶强度比值为 1,固体介质包含
树脂粘结剂(B)和耐候性改进剂(C),耐候性改进剂(C)包括至少一种选自苯并三唑类
紫外线吸收剂、三嗪类
紫外线吸收剂和二苯甲
酮类紫外线吸收剂的物质。