HEXAGONAL-CYLINDER-SHAPED ZINC OXIDE PARTICLES PRODUCTION METHOD FOR SAME AND COSMETIC MATERIAL HEAT-DISSIPATING FILLER HEAT-DISSIPATING RESIN COMPOSITION HEAT-DISSIPATING GREASE AND HEAT-DISSIPATING COATING COMPOSITION HAVING SAME BLENDED THEREIN
[PROBLEMS] Hexagonal columnar zinc oxide particles having a specific particle diameter and aspect ratio, high ultraviolet shielding properties and transparency, can be used as cosmetics and heat radiation materials. [MEANS FOR SOLVING PROBLEMS] Hexagonal columnar zinc oxide particles having a primary particle size of 0.1 μm or more and less than 0.5 μm and an aspect ratio of less than 2.5.[과제] 특정의 입자경 및 어스펙트비를 가지며, 높은 자외선 차폐성과 투명성을 갖기 때문에, 화장료나 방열재로서 호적하게 사용할 수 있는 육각주상 산화아연 입자를 얻는다.[해결 수단] 일차 입자경이 0.1㎛ 이상 0.5㎛ 미만, 어스펙트비가 2.5 미만인 육각주상 산화아연 입자.