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    Suspensions of surface treated titanium (IV) oxides and processes for making them
    5.
    发明授权
    Suspensions of surface treated titanium (IV) oxides and processes for making them 有权
    表面处理的钛（IV）氧化物的悬浮液及其制备方法

    公开(公告)号：US07858553B2

    公开(公告)日：2010-12-28

    申请号：US12515765

    申请日：2007-12-20

    申请人： David M Scott ,  Carmine Torardi ,  Vladimir Grushin

    发明人： David M Scott ,  Carmine Torardi ,  Vladimir Grushin

    IPC分类号： B01J23/00

    CPC分类号： C01G23/053 ,  B82Y30/00 ,  C01G23/047 ,  C01P2004/52 ,  C01P2004/64 ,  C01P2006/22 ,  C02F2305/08 ,  C02F2305/10 ,  C09C1/3661

    摘要： The disclosure relates to a process for making a surface treated suspension of finely divided titanium (IV) oxide particles, typically, finely divided titanium (IV) oxide nanoparticles, comprising: vigorously mixing (a) a volume of a first component comprising a major proportion of alcohol, a minor proportion of titanium alkoxide and a minor proportion of a titanium alkoxide activator selected from the group consisting of water and a first aqueous base, and b) a volume of a second component selected from the group consisting of water and a second aqueous base, at least one of the first component or the second component having a base therein, the second component being substantially free of alcohol, to form a mixture comprising a suspension of finely divided titanium (IV) oxide particle, the mixture having a water to titanium molar ratio ranging from about 40 to about 1 to about 5000 to about 1, wherein the proportion of the titanium alkoxide, the proportion of the activator, the mixing vigor, and the ratio of the volume of the first component to the volume of the second component are effective for the suspension of the finely divided particles to form in the mixture; and treating the suspension with a compound comprising a source of silicon, aluminum or zinc, and products made by the foregoing process. The suspension can be dried to recover a powder.

    摘要翻译： 本公开涉及一种用于制备精细分离的氧化钛（IV）颗粒（通常为细碎的氧化钛（IV））纳米颗粒的经表面处理的悬浮液的方法，其包括：剧烈混合（a）一定体积的包含主要比例的第一组分 的醇，少量的烷氧基钛和少部分选自水和第一含水碱的钛醇盐活化剂，和b）一定体积的第二组分，其选自水和第二组分 水性碱，第一组分或第二组分中的至少一种在其中具有碱，第二组分基本上不含醇，以形成包含细碎的氧化钛（IV）颗粒的悬浮液的混合物，该混合物具有水 钛摩尔比为约40至约1至约5000至约1，其中钛醇盐的比例，活化剂的比例，混合 活性，并且第一组分的体积与第二组分的体积的比率对于在混合物中形成的细碎颗粒的悬浮是有效的; 并用包含硅，铝或锌的源的化合物和通过前述方法制备的产物处理悬浮液。 可以将悬浮液干燥以回收粉末。

    Process for making anatase titanium (IV) oxide
    8.
    发明授权
    Process for making anatase titanium (IV) oxide 有权
    锐钛型氧化钛（IV）的制备方法

    公开(公告)号：US07887779B2

    公开(公告)日：2011-02-15

    申请号：US12515762

    申请日：2007-12-20

    申请人： David M. Scott ,  Carmine Torardi ,  Vladimir Grushin

    发明人： David M. Scott ,  Carmine Torardi ,  Vladimir Grushin

    IPC分类号： B01J23/00

    CPC分类号： C01G23/047 ,  B82Y30/00 ,  C01G23/053 ,  C01P2002/70 ,  C01P2002/84 ,  C01P2004/51 ,  C01P2004/64 ,  C01P2006/22 ,  C09C1/3661

    摘要： The disclosure pertains to a process for making anatase titanium dioxide particles, comprising: vigorously mixing (a) a volume of a first component comprising a major proportion of an alcohol, a minor proportion of a titanium alkoxide and a minor proportion of a titanium alkoxide activator selected from the group consisting of water and a first aqueous base, and (b) a second component selected from the group consisting of water and a second aqueous base, at least one of the first component or the second component having, a base therein, the second component being substantially free of alcohol, to form a mixture comprising a suspension of finely divided titanium (IV) oxide particles, the mixture having a water to titanium molar ratio ranging from about 40 to about 1 to about 5000 to about 1, wherein the proportion of the titanium alkoxide, the proportion of the activator, the mixing vigor, and a ratio of the volume of the first component to the second component are effective for the suspension of the finely divided titanium (IV) oxide particles to form in the mixture; and heating the suspension to convert the titanium (IV) oxide particles of the suspension to anatase titanium dioxide.

    摘要翻译： 本公开涉及制备锐钛型二氧化钛颗粒的方法，其包括：剧烈混合（a）一定体积的第一组分，其包含主要部分的醇，少部分的钛醇盐和少部分的钛醇盐活化剂 选自水和第一含水碱，和（b）选自水和第二水性碱的第二组分，所述第一组分或第二组分中的至少一种具有其中的碱， 所述第二组分基本上不含醇，以形成包含细碎的氧化钛（IV）颗粒的悬浮液的混合物，所述混合物的水与钛的摩尔比为约40至约1至约5000至约1，其中 钛醇盐的比例，活化剂的比例，混合活度以及第一组分与第二组分的体积比对于sus是有效的 在混合物中形成细碎的氧化钛（IV）颗粒的养护金; 并加热悬浮液以将悬浮液中的钛（IV）氧化物颗粒转化成锐钛矿二氧化钛。

    Method of making titanium dioxide particles
    9.
    发明申请
    Method of making titanium dioxide particles 有权
    制造二氧化钛颗粒的方法

    公开(公告)号：US20080279760A1

    公开(公告)日：2008-11-13

    申请号：US11800958

    申请日：2007-05-08

    申请人： Carmine Torardi

    发明人： Carmine Torardi

    IPC分类号： C01G23/047

    CPC分类号： C01G23/0536 ,  B82Y30/00 ,  C01G23/08 ,  C01P2004/64 ,  C01P2006/12 ,  C09C1/3661

    摘要： The disclosure provides a process for preparing nanocrystalline titanium dioxide, in particular rutile nanocrystalline titanium dioxide, comprising: (a) precipitating a mixture comprising hydrated titanium oxide and a separable filtering agent; (b) filtering the precipitated mixture to form a filter cake comprising the precipitated hydrated titanium dioxide and a separable filtering agent, (c) calcining the precipitated hydrated titanium oxide and separable filtering agent at a temperature of greater than about 300 C; and (d) removing the separable filtering agent thereby recovering titanium dioxide particles.

    摘要翻译： 本公开提供了制备纳米晶体二氧化钛，特别是金红石纳米晶体二氧化钛的方法，其包括：（a）沉淀包含水合氧化钛和可分离过滤剂的混合物; （b）过滤沉淀的混合物以形成包含沉淀的水合二氧化钛和可分离的过滤剂的滤饼，（c）在大于约300℃的温度下煅烧沉淀的水合二氧化钛和可分离的过滤剂; 和（d）除去可分离的过滤剂，从而回收二氧化钛颗粒。