| 发明名称 |
SILICA COMPOSITE PARTICLES AND METHOD OF PREPARING THE SAME |
| 摘要 |
Silica composite particles in which a silica particle surface is sequentially surface-treated with a titanium compound in which an organic group is bonded to a titanium atom through an oxygen atom, and a hydrophobizing agent are provided, in which a titanium content in the silica composite particles measured using fluorescence X-ray is from 0.001% by weight to 10% by weight; a titanium content of a surface layer of the silica composite particles satisfies the following Formula (1); an average particle diameter of the silica composite particles is from 30 nm to 500 nm; and a particle size distribution index of the silica composite particles is from 1.1 to 1.5:;0.6<Y/X<1.8 (1);wherein X represents a titanium content in silica composite particles measured using fluorescence X-ray, and Y represents a titanium content of the silica composite particle surface obtained by XPS measurement. |
| 申请公布号 |
US2014212667(A1) |
申请公布日期 |
2014.07.31 |
| 申请号 |
US201313934928 |
申请日期 |
2013.07.03 |
| 申请人 |
FUJI XEROX CO., LTD. |
发明人 |
IWANAGA Takeshi;ZENITANI Yuka;KASHIMA Yasunobu;HAMA Chika;IIDA Yoshifumi |
| 分类号 |
C09C1/30 |
主分类号 |
C09C1/30 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. Silica composite particles in which a silica particle surface is sequentially surface-treated with a titanium compound in which an organic group is bonded to a titanium atom through an oxygen atom, and a hydrophobizing agent,
wherein, a titanium content in the silica composite particles measured using fluorescence X-ray is from 0.001% by weight to 10% by weight; a titanium content of a surface layer of the silica composite particles satisfies the following Formula (1); an average particle diameter of the silica composite particles is from 30 nm to 500 nm; and a particle size distribution index of the silica composite particles is from 1.1 to 1.5:
0.6<Y/X<1.8 (1) wherein in Formula (1), X represents a titanium content (% by weight) in silica composite particles measured using fluorescence X-ray, and Y represents a titanium content (atom %) of the silica composite particle surface obtained by XPS measurement. |
| 地址 |
Tokyo JP |
