| 摘要 |
<p>A pigment of rutile TiO2 particles bearing coatings consisting of alumina or alumina-silica, the particle surfaces having bound thereto about 0.17 - 2%, by weight of the TiO2, of cerium cations and a stoichiometric amount of sulphate, phosphate, or silicate anions. - (3pp) EPAB- EP-129960 B A pigment of rutile TiO2 particles bearing coatings consisting of alumina or alumina-silica, the particle surfaces having bound thereto about 0.17 - 2%, by weight of the TiO2, of cerium cations and a stoichiometric amount of sulphate, phosphate, or silicate anions. USAB- USRE32320 E Pigment (I) of rutile TiO2 particles bears coatings comprising alumina or alumina-silica, the particle surfaces having associated with them, 0.17-2%, by wt. of the TiO2, of cerium cations and a stoichiometric amt. of sulfate-, phosphate- or silicate anions. - Also new are a paper laminate comprising paper and (I) in a rigid matrix; and a coating compsn. comprising a) pigment (I); b) a film-forming material; and c) a liq. carrier.</p> |
