Zinc oxide powder having high dispersibility
申请(专利)号：
US08/298709
申请日期：
19940830
公开/公告号：
US05672427A
公开/公告日期：
19970930
申请(专利权)人：
MITSUBISHI MATERIALS CORPORATION
被引量：
摘要：
A zinc oxide powder having high dispersibility, which contains one or more metal elements selected from the group consisting of aluminum, silicon, titanium, vanadium, chromium, manganese, iron, cobalt, gallium, germanium, zirconium, indium, tin and hafnium in an amount of from 0.1 to 25 atm. % relative to the total amount of metal elements including zinc. The powder has an average primary particle size of up to 1 &mgr;m and a relative transmissivity of at least 0.80. The improved properties are obtained by improving the surface of the powder by immersing the powder in one or more organic liquids selected from the group consisting of alcohols, ketones, amines and esters, and then drying the particles. When containing one or more of aluminum, gallium, germanium, indium and tin, the zinc oxide powder of the invention displays high electric conductivity and is therefore applicable as a conductive pigment.
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