发明名称 |
PROCESS FOR THE PRODUCTION OF COATED TITANIUM DIOXIDE PIGMENTS |
摘要 |
A process for the preparation of pigment-grade titanium dioxide is provided that produces substantially anatase-free titanium dioxide with a uniform coating of a metal oxide without producing separate particles of the metal oxide that are not incorporated into the coating. The process comprises mixing a titanium dioxide precursor with a silicon compound to form an admixture and introducing the admixture and oxygen into a reaction zone to produce substantially anatase-free titanium dioxide. The titanium dioxide produced is contacted with a metal oxide precursor homogeneously mixed with a solvent component downstream of the reaction zone to form a uniform coating of the metal oxide on the titanium dioxide particles.
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申请公布号 |
US2009148605(A1) |
申请公布日期 |
2009.06.11 |
申请号 |
US20070950848 |
申请日期 |
2007.12.05 |
申请人 |
AKHTAR M KAMAL;BANERJEE SIBASHIS |
发明人 |
AKHTAR M. KAMAL;BANERJEE SIBASHIS |
分类号 |
B05D3/00 |
主分类号 |
B05D3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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