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    Titanium dioxide pigment useful in paper laminates
    62.
    发明申请
    Titanium dioxide pigment useful in paper laminates 审中-公开
    用于纸层压板的二氧化钛颜料

    公开(公告)号：US20070068423A1

    公开(公告)日：2007-03-29

    申请号：US11236158

    申请日：2005-09-27

    Applicant: Erik Thiele

    Inventor： Erik Thiele

    IPC: C09C1/36

    CPC classification number: C09C1/3661 ,  C01P2006/60

    Abstract: The present disclosure relates to a process for making a titanium dioxide pigment comprising a thermally treated titanium dioxide having an inorganic surface treatment of comprising a source of phosphorus, typically phosphoric acid, and a source of aluminum, typically sodium aluminate, wherein the pigment is characterized by an isoelectric point which is greater than pH 6 and a negative zeta potential of at least 20 mV at a pH of 7.5 or more and wherein the pigment has improved light fastness.

    Abstract translation: 本公开涉及一种制备二氧化钛颜料的方法，所述二氧化钛颜料包含具有无机表面处理的热处理二氧化钛，所述二氧化钛具有磷源（通常为磷酸）和铝源（通常为铝酸钠），其中所述颜料的特征在于 通过等于pH6的等电点和pH为7.5以上的至少20mV的负ζ电位，并且其中所述颜料具有改善的耐光性。

    Lower-energy process for preparing passivated inorganic nanoparticles
    64.
    发明申请
    Lower-energy process for preparing passivated inorganic nanoparticles 失效
    用于制备钝化无机纳米粒子的较低能量过程

    公开(公告)号：US20060264552A1

    公开(公告)日：2006-11-23

    申请号：US11135584

    申请日：2005-05-23

    Applicant: Scott Frerichs ,  William Morrison ,  Douglas Spahr

    Inventor： Scott Frerichs ,  William Morrison ,  Douglas Spahr

    IPC: C08K3/22

    CPC classification number: C09C1/3661 ,  B82Y30/00 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/64 ,  C01P2006/66 ,  C09C1/3623 ,  C09C1/3692 ,  Y10T428/31964

    Abstract: The disclosure is directed to a method for reducing the chemical activity and photo activity of titanium dioxide nanoparticles comprising adding an amorphous alumina-stabilizing agent, specifically an anion, such as citric acid, to an aqueous slurry of the titanium dioxide nanoparticles; treating the aqueous slurry with a source of alumina, such as a solution of sodium aluminate, to form alumina-treated titanium dioxide nanoparticles; recovering the alumina-treated inorganic nanoparticles, wherein the nanoparticles have a particle size of about 50 to about 300 nm; and milling the nanoparticles to form nanoparticles having a particle size about 15% smaller than silica-treated inorganic nanoparticles milled under similar conditions. The titanium dioxide nanoparticles described herein are useful in cosmetic, coating and thermoplastic compositions.

    Abstract translation: 本公开涉及一种降低二氧化钛纳米颗粒的化学活性和光活性的方法，包括将无定形氧化铝稳定剂，特别是阴离子如柠檬酸加入到二氧化钛纳米颗粒的水性浆料中; 用氧化铝源（例如铝酸钠溶液）处理含水浆料，以形成经氧化铝处理的二氧化钛纳米颗粒; 回收氧化铝处理的无机纳米颗粒，其中纳米颗粒具有约50至约300nm的粒度; 并研磨纳米颗粒以形成粒径比类似条件下研磨的二氧化硅处理的无机纳米粒子小约15％的纳米颗粒。 本文所述的二氧化钛纳米颗粒可用于化妆品，涂料和热塑性组合物。

    Novel titanium dioxide, process of making and method of using same
    65.
    发明申请
    Novel titanium dioxide, process of making and method of using same 审中-公开
    新型二氧化钛，制备方法及其使用方法

    公开(公告)号：US20060171877A1

    公开(公告)日：2006-08-03

    申请号：US11198719

    申请日：2005-08-05

    Applicant: Mazakhir Dadachov

    Inventor： Mazakhir Dadachov

    IPC: B01J23/00 ,  C01G23/047 ,  B01J20/00

    CPC classification number: C01G23/047 ,  B01J20/0211 ,  B01J20/06 ,  B01J21/063 ,  B01J35/002 ,  B01J35/023 ,  B01J35/1019 ,  B01J35/1038 ,  B01J35/1071 ,  B01J37/033 ,  C01G23/0532 ,  C01P2002/72 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  C02F1/281 ,  C02F1/288 ,  C02F2101/103 ,  C02F2305/023 ,  C09C1/3653 ,  C09C1/3661

    Abstract: Adsorbents and Methods used for effective removal or concentration or retention and recovery of harmful or valuable dissolved ions and compounds from aqueous systems using quantum size effect on large band gap semiconductors are provided. Invention provides methods for creating surface hydroxyl groups on surfaces of anatase, brookite and rutile which comprise methods of reducing dimensions of individual crystals to the sizes where surface hydroxyl groups are self generated via quantum size effects when they contacted with electrolytes. This invention also provides methods of preparation of quantum sized anatase, brookite and rutile. The invention also provides methods using quantum size effected anatase, brookite and rutile products for treatment of water, comprising rapid and high capacity adsorption of dissolved molecules and ions to the surface of said crystals via surface reaction process between said effect created hydroxyl groups with molecules and ions.

    Abstract translation: 提供了使用量子尺寸效应在大带隙半导体上有效去除或浓缩或保留和回收有害或有价值的溶解离子和化合物的水性体系的吸附剂和方法。 本发明提供了在锐钛矿，板钛矿和金红石表面上产生表面羟基的方法，其包括将各晶体的尺寸减小到其表面羟基当与电解质接触时通过量子尺寸效应自身产生的尺寸的方法。 本发明还提供了量子尺寸锐钛矿，板钛矿和金红石的制备方法。 本发明还提供了使用量子尺寸影响锐钛矿，板钛矿和金红石产品来处理水的方法，包括通过所产生的所产生的羟基与分子之间的表面反应过程将溶解的分子和离子快速和高容量吸附到所述晶体的表面，以及 离子。

    Process for making durable rutile titanium dioxide pigment by vapor phase deposition of surface treatment
    66.
    发明授权
    Process for making durable rutile titanium dioxide pigment by vapor phase deposition of surface treatment 有权
    通过气相沉积表面处理制备耐用的金红石型二氧化钛颜料的方法

    公开(公告)号：US07029648B2

    公开(公告)日：2006-04-18

    申请号：US10887115

    申请日：2004-07-08

    Applicant: Narayanan Sankara Subramanian ,  Russell Bertrum Diemer, Jr. ,  Pratibha Laxman Gai

    Inventor： Narayanan Sankara Subramanian ,  Russell Bertrum Diemer, Jr. ,  Pratibha Laxman Gai

    IPC: C01G23/047

    CPC classification number: B82Y30/00 ,  C01G23/07 ,  C01P2004/04 ,  C01P2004/64 ,  C01P2006/60 ,  C09C1/3653 ,  C09C1/3661

    Abstract: The present invention relates to a process for making durable titanium dioxide pigment by vapor phase deposition of surface treatments on the titanium dioxide particle surface by reacting titanium tetrachloride vapor, an oxygen containing gas and aluminum chloride in a plug flow reactor to form a product stream containing titanium dioxide particles; and introducing silicon tetrachloride into the reactor at a point down stream of the point where the titanium tetrachloride and oxygen were contacted and where at least 97% of the titanium tetrachloride has been converted to titanium dioxide or where the reaction temperature is no greater than about 1200° C., and preferably not more than about 1100° C.

    Abstract translation: 本发明涉及通过在活塞式流动反应器中使四氯化钛蒸气，含氧气体和氯化铝反应形成含有以下物质的产物流，通过在二氧化钛颗粒表面上气相沉积表面处理来制备耐久的二氧化钛颜料的方法 二氧化钛颗粒; 并在四氯化钛和氧气接触点的下游点向反应器中引入四氯化硅，其中至少97％的四氯化钛已经转化为二氧化钛，或者反应温度不大于约1200 ℃，优选不超过约1100℃

    Passivated nano-titanium dioxide particles and methods of making the same
    69.
    发明申请
    Passivated nano-titanium dioxide particles and methods of making the same 审中-公开
    钝化的纳米二氧化钛颗粒和制造方法相同

    公开(公告)号：US20050135994A1

    公开(公告)日：2005-06-23

    申请号：US11011670

    申请日：2004-12-14

    Applicant: Scott Frerichs ,  William Morrison

    Inventor： Scott Frerichs ,  William Morrison

    IPC: B82B3/00 ,  A61K8/02 ,  A61K8/29 ,  A61Q17/04 ,  C01G23/047 ,  C08K9/02 ,  C08L101/00 ,  C09C1/36 ,  B05D7/00 ,  B01J27/053 ,  B01J31/00

    CPC classification number: B82Y30/00 ,  A61K8/02 ,  A61K8/29 ,  A61K2800/413 ,  A61Q17/04 ,  B82Y5/00 ,  C01P2004/64 ,  C01P2006/60 ,  C01P2006/64 ,  C09C1/3661 ,  C09C1/3684 ,  C09C1/3692 ,  Y10T428/2993

    Abstract: The invention is directed to a method for reducing the chemical activity and photo activity of titanium dioxide nanoparticles comprising adding a densifying agent, such as citric acid, to an aqueous slurry of the titanium dioxide nanoparticles; treating the aqueous slurry with a source of alumina, such as a solution of sodium aluminate, to form alumina-treated titanium dioxide nanoparticles. In one embodiment the particles are treated with a source of silica, such as a solution of sodium silicate. The nanoparticles of this invention can also be treated with a source of silica and a source of alumina. The treated nanoparticles can be silanized. The titanium dioxide nanoparticles described herein are useful in cosmetic, coating and thermoplastic compositions.

    Abstract translation: 本发明涉及一种降低二氧化钛纳米颗粒的化学活性和光活性的方法，包括向二氧化钛纳米颗粒的含水浆液中加入致密化剂如柠檬酸; 用氧化铝源（例如铝酸钠溶液）处理含水浆料，以形成经氧化铝处理的二氧化钛纳米颗粒。 在一个实施方案中，用二氧化硅源如硅酸钠溶液处理颗粒。 本发明的纳米颗粒也可以用二氧化硅源和氧化铝源处理。 经处理的纳米颗粒可以被硅烷化。 本文所述的二氧化钛纳米颗粒可用于化妆品，涂料和热塑性组合物。

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