Hexagonal columnar zinc oxide particles, method for producing the same, and cosmetics, heat dissipating filler, heat dissipating resin composition, heat dissipating grease and heat dissipating coating composition containing the same
Hexagonal columnar zinc oxide particles that have a specific particle size and aspect ratio, have high ultraviolet shielding properties and transparency, and can be suitably used as cosmetics and heat dissipation materials are obtained. Hexagonal columnar zinc oxide particles having a primary particle diameter of 0.1 μm or more and less than 0.5 μm and an aspect ratio of less than 2.5. [Selection] Figure 1【課題】特定の粒子径及びアスペクト比を有し、高い紫外線遮蔽性と透明性を有するため、化粧料や放熱材として好適に使用することができる六角柱状酸化亜鉛粒子を得る。【解決手段】一次粒子径が０．１μｍ以上０．５μｍ未満、アスペクト比が２．５未満である六角柱状酸化亜鉛粒子。【選択図】図１
