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CERIUM OXIDE-COATED ZINC OXIDE PARTICLE, METHOD FOR PRODUCING THE SAME, ULTRAVIOLET SHIELDING AGENT, AND COSMETIC
专利权人:
发明人:
Saturo SUEDA,Mitsuo HASHIMOTO,Mizuho WADA
申请号:
US15107711
公开号:
US20160319131A1
申请日:
2014.12.24
申请国别(地区):
US
年份:
2016
代理人:
摘要:
It is one of the objects of the present disclosure to provide zinc oxide particles having improved ultraviolet shielding performance especially in the region of UV-A radiation at 400 to 320 nm.A cerium oxide-coated zinc oxide particle comprising a matrix raw zinc oxide particle and a cerium oxide layer formed on the surface of the matrix particle, wherein a cerium oxide amount is 5 to 30 wt % relative to 100 wt % of the zinc oxide, a particle diameter of the cerium oxide-coated zinc oxide particles is 0.01 μm or more, and a specific surface area of the cerium oxide-coated zinc oxide particle is 5.0 m2/g or more.
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