发明名称 |
Improved titanium dioxide pigment composite and method of making same |
摘要 |
A process for producing an improved titanium dioxide pigment composite is provided, as are particles produced thereby. The process comprises producing a slurry comprising titanium dioxide particles, leaching alumina from the surface of the titanium dioxide particles in the presence of a soluble phosphate and precipitating aluminum phosphate from the slurry onto the surface of the titanium dioxide particles thereby forming a uniform coating of aluminum phosphate on the surfaces of the titanium dioxide particles. An anionic poly-electrolyte can be added to the resulting slurry. The slurry can then be treated such that the anionic poly-electrolyte forms an additional coating on the aluminum phosphate- coated titanium dioxide particles. |
申请公布号 |
AU2007350976(B2) |
申请公布日期 |
2012.06.28 |
申请号 |
AU20070350976 |
申请日期 |
2007.10.29 |
申请人 |
THE NATIONAL TITANIUM DIOXIDE CO., LTD. (CRISTAL) |
发明人 |
TRABZUNI, FADI MOHAMMED SAEED;GOPALKRISHNAN, CHATHANGAT CHEROOLIL |
分类号 |
C09C1/00;C09C1/36 |
主分类号 |
C09C1/00 |
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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