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CERIUM-OXIDE-COATED ZINC OXIDE PARTICLES, METHOD FOR PRODUCING SAME, ULTRAVIOLET RAY SHIELDING AGENT, AND COSMETIC
专利权人:
Sakai Chemical Industry Co.; Ltd.
发明人:
SUEDA, Satoru,HASHIMOTO, Mitsuo,WADA, Mizuho
申请号:
EP14874349
公开号:
EP3088364A4
申请日:
2014.12.24
申请国别(地区):
EP
年份:
2017
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 m 2 /g or more.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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