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1. 发明申请

US20070144076A1 Flame-hydrolytically produced titanium dioxide powder 有权
标题翻译：火焰水解生产的二氧化钛粉末
公开(公告)号：US20070144076A1
公开(公告)日：2007-06-28
申请号：US10580325
申请日：2004-11-24
申请人： Kai Schumacher , Andreas Schild , Martin Moerters
发明人： Kai Schumacher , Andreas Schild , Martin Moerters
IPC分类号： C09K3/14
CPC分类号： C01G23/07 , A61K8/29 , A61Q17/04 , B01J21/063 , B01J35/004 , B01J35/1014 , B01J35/1019 , B01J37/0238 , B82Y30/00 , C01P2004/64 , C01P2006/10 , C01P2006/12 , C08K3/22 , C09K3/1409
摘要： Flame-hydrolytically produced titanium dioxide powder that is present in the form of aggregates of primary particles, and has a BET surface of 20 to 200 m²/g, a half width (HW) [nm] of the primary particle distribution of HW = a×BETf where a = 670x10−9 m³/g and −1.3 ≤ f ≤ −1.0 and the proportion of particles with a diameter of more than 45 &mgr;m lies in a range from 0.0001 to 0.05 wt. %. The powder is produced by a process in which a titanium halide is vapourised at temperatures of less than 200°C., the vapours are transferred to a mixing chamber by means of a carrier gas of defined moisture content and, separately from this, hydrogen, primary air, which may optionally be enriched with oxygen and/or preheated, and steam are added to the mixing chamber, following which the reaction mixture is combusted in a reaction chamber sealed from the ambient air, secondary air is in addition introduced into the reaction chamber, the solid is then separated from gaseous substances, and following this the solid is treated with steam. The titanium dioxide powder may be used for the heat stabilisation of polymers.
摘要翻译：火焰水解生产的二氧化钛粉末，其以初级颗粒的聚集体的形式存在，并且具有20至200m 2 / g的BET表面，HW = axBETf的一次颗粒分布的半宽度（HW）[nm] 其中a = 670×10 -9 m 3 / g和-1.3 <= f <= 1.0，直径大于45μm的颗粒的比例在0.0001至0.05wt。％。该粉末通过其中卤化钛在低于200℃的温度下蒸发的方法制备，蒸气通过具有确定水分含量的载气转移到混合室中，并且与之分开地形成氢气，可以任选地富含氧和/或预热的一次空气，并将蒸汽加入到混合室中，随后将反应混合物在与环境空气密封的反应室中燃烧，再将二次空气引入反应然后将固体与气体物质分离，然后用蒸汽处理固体。二氧化钛粉末可用于聚合物的热稳定化。

2. 发明授权

US07686881B2 Flame-hydrolytically produced titanium dioxide powder 有权
标题翻译：火焰水解生产的二氧化钛粉末
公开(公告)号：US07686881B2
公开(公告)日：2010-03-30
申请号：US10580325
申请日：2004-11-24
申请人： Kai Schumacher , Andreas Schild , Martin Moerters
发明人： Kai Schumacher , Andreas Schild , Martin Moerters
IPC分类号： A61K8/00 , A61K8/18 , A61K9/14 , A61Q17/04 , C09K3/14 , B24D3/02 , C09C1/68 , B01J23/00 , C01G23/047 , C09D1/00 , C23C16/40 , C04B14/00 , C09C1/04 , C09C1/36
CPC分类号： C01G23/07 , A61K8/29 , A61Q17/04 , B01J21/063 , B01J35/004 , B01J35/1014 , B01J35/1019 , B01J37/0238 , B82Y30/00 , C01P2004/64 , C01P2006/10 , C01P2006/12 , C08K3/22 , C09K3/1409
摘要： Flame-hydrolytically produced titanium dioxide powder that is present in the form of aggregates of primary particles, and has a BET surface of 20 to 200 m²/g, a half width (HW) [nm] of the primary particle distribution of HW = a×BETf where a = 670×10−9 m³/g and −1.3 ≤ f ≤ −1.0 and the proportion of particles with a diameter of more than 45 &mgr;m lies in a range from 0.0001 to 0.05 wt. %. The powder is produced by a process in which a titanium halide is vapourised at temperatures of less than 200°C., the vapours are transferred to a mixing chamber by means of a carrier gas of defined moisture content and, separately from this, hydrogen, primary air, which may optionally be enriched with oxygen and/or preheated, and steam are added to the mixing chamber, following which the reaction mixture is combusted in a reaction chamber sealed from the ambient air, secondary air is in addition introduced into the reaction chamber, the solid is then separated from gaseous substances, and following this the solid is treated with steam. The titanium dioxide powder may be used for the heat stabilisation of polymers.
摘要翻译：火焰水解生产的二氧化钛粉末以一次粒子聚集体的形式存在，并且具有20至200m 2 / g的BET表面，HW = a的一次粒子分布的半宽度（HW）[nm] ×BETf，其中a = 670×10 -9 m 3 / g和-1.3≤f≤-1.0，直径大于45μm的颗粒的比例在0.0001至0.05重量％的范围内。％。该粉末通过其中卤化钛在低于200℃的温度下蒸发的方法制备，蒸气通过具有确定水分含量的载气转移到混合室中，并且与之分开地形成氢气，可以任选地富含氧和/或预热的一次空气，并将蒸汽加入到混合室中，随后将反应混合物在与环境空气密封的反应室中燃烧，再将二次空气引入反应然后将固体与气体物质分离，然后用蒸汽处理固体。二氧化钛粉末可用于聚合物的热稳定化。

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