Process for in-situ formation of chlorides in the preparation of titanium dioxide
    1.
    发明授权
    Process for in-situ formation of chlorides in the preparation of titanium dioxide 有权
    在二氧化钛制备中原位形成氯化物的方法

    公开(公告)号:US08734756B2

    公开(公告)日:2014-05-27

    申请号:US13505471

    申请日:2010-11-09

    IPC分类号: C01G23/047

    CPC分类号: C01G23/07 C01B9/02

    摘要: A process for producing titanium dioxide, comprising: a) reacting an alloy comprising a metal selected from the group consisting of aluminum, titanium and mixtures thereof, wherein one metal is a major component of the alloy, and an element, with chlorine gas to form chlorides of aluminum, titanium or mixtures thereof and chlorides of the element, at or above the boiling point of the chloride of the major component of the alloy; with the proviso that the element does not comprise Ti when the metal is Ti and does not comprise Al when the metal is Al; (b) adding titanium tetrachloride to the chlorides formed in step (a); (c) oxidizing the chlorides formed in step (a), and titanium tetrachloride of step (b); and (d) forming titanium dioxide.

    摘要翻译: 一种制备二氧化钛的方法,包括:a)使包含选自铝,钛及其混合物的金属的合金反应,其中一种金属是合金的主要成分,以及一种与氯气形成的元素 铝,钛或其混合物的氯化物和元素的氯化物等于或高于合金主要成分的氯化物的沸点; 条件是当金属为Ti并且当金属为Al时不包含Al时元素不包含Ti; (b)向步骤(a)中形成的氯化物中加入四氯化钛; (c)氧化步骤(a)中形成的氯化物和步骤(b)的四氯化钛; 和(d)形成二氧化钛。

    PROCESS FOR IN-SITU FORMATION OF CHLORIDES IN THE PREPARATION OF TITANIUM DIOXIDE
    3.
    发明申请
    PROCESS FOR IN-SITU FORMATION OF CHLORIDES IN THE PREPARATION OF TITANIUM DIOXIDE 有权
    二氧化钛制备中氯化物的现状形成过程

    公开(公告)号:US20120219493A1

    公开(公告)日:2012-08-30

    申请号:US13505471

    申请日:2010-11-09

    IPC分类号: C01G23/07

    CPC分类号: C01G23/07 C01B9/02

    摘要: This disclosure relates to a process for producing titanium dioxide, comprising: a) reacting an alloy comprising a metal selected from the group consisting of aluminum, titanium and mixtures thereof, wherein one metal is a major component of the alloy, and an element selected from the group consisting of Li, Be, B, Na, Mg, Al, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, and Bi, with chlorine gas to form chlorides of aluminum, titanium or mixtures thereof and chlorides of the element selected from the group consisting of Li, Be, B, Na, Mg, Al, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, and Bi, at or above the boiling point of the chloride of the major component of the alloy; with the proviso that the element does not comprise Ti when the metal is Ti and does not comprise Al when the metal is Al; (b) adding titanium tetrachloride to the chlorides formed in step (a); (c) oxidizing the chlorides formed in step (a), and titanium tetrachloride of step (b); and (d) forming titanium dioxide.

    摘要翻译: 本公开涉及一种生产二氧化钛的方法,包括:a)使包含选自铝,钛及其混合物的金属的合金反应,其中一种金属是合金的主要成分,以及选自 由Li,Be,B,Na,Mg,Al,P,S,K,Ca,Sc,Ti,V,Cr,Mn,Fe,Co,Ni,Cu,Zn,Ga,Ge,As, Se,Rb,Sr,Y,Zr,Nb,Mo,Ru,Rh,Pd,Ag,Cd,In,Sn,Sb,Te,Cs,Ba,La,Ce,Pr,Nd,Sm,Eu, Tb,Dy,Ho,Er,Tm,Yb,Lu,Hf,Ta,W,Re,Os,Ir,Pt,Au,Hg,Tl,Pb和Bi,与氯气形成铝,钛或 它们的混合物和选自Li,Be,B,Na,Mg,Al,P,S,K,Ca,Sc,Ti,V,Cr,Mn,Fe,Co,Ni,Cu ,Zn,Ga,Ge,As,Se,Rb,Sr,Y,Zr,Nb,Mo,Ru,Rh,Pd,Ag,Cd,In,Sn,Sb,Te,Cs,Ba,La,Ce,Pr ,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Hf,Ta,W,Re,Os,Ir,Pt,Au,Hg,Tl,Pb和Bi, 在boi之上 合金主要成分氯化物的点; 条件是当金属为Ti并且当金属为Al时不包含Al时元素不包含Ti; (b)向步骤(a)中形成的氯化物中加入四氯化钛; (c)氧化步骤(a)中形成的氯化物和步骤(b)的四氯化钛; 和(d)形成二氧化钛。

    Process for in-situ formation of chlorides of silicon and aluminum in the preparation of titanium dioxide
    7.
    发明授权
    Process for in-situ formation of chlorides of silicon and aluminum in the preparation of titanium dioxide 有权
    在制备二氧化钛时原位形成硅和铝的氯化物的方法

    公开(公告)号:US08741257B2

    公开(公告)日:2014-06-03

    申请号:US13505463

    申请日:2010-11-09

    IPC分类号: C01G23/047

    摘要: This disclosure relates to a process for producing titanium dioxide, comprising: a) reacting a alloy comprising silicon and aluminum having a melting point of about 482° C. to about 660° C., with chlorine gas at temperatures above 190° C. to form chlorides of silicon and aluminum; b) adding titanium tetrachloride to the chlorides of silicon and aluminum of step (a); c) oxidizing the chlorides of silicon and aluminum and titanium tetrachloride of step (b); and d) forming titanium dioxide.

    摘要翻译: 本公开涉及一种生产二氧化钛的方法,包括:a)使熔点约482℃至约660℃的含硅和铝的合金与温度高于190℃的氯气反应至 形成硅和铝的氯化物; b)向步骤(a)的硅和铝的氯化物中加入四氯化钛; c)氧化步骤(b)的硅和铝和四氯化钛的氯化物; 和d)形成二氧化钛。

    TREATED INORGANIC PARTICLE
    9.
    发明申请
    TREATED INORGANIC PARTICLE 有权
    处理无机颗粒

    公开(公告)号:US20140102333A1

    公开(公告)日:2014-04-17

    申请号:US14125668

    申请日:2012-06-20

    IPC分类号: C09C1/36

    摘要: The disclosure provides a treated inorganic particle, in particular a titanium dioxide particle, having reduced photoactivity, lower acid solubility and improved anti-microbial properties comprising: an inorganic core particle, in particular a titanium dioxide particle; a first treatment of silica, wherein the silica is added in a single step; and a second treatment comprising co-precipitated zinc oxide and alumina. These particles have reduced photoactivity, lower acid solubility and improved anti-microbial properties.

    摘要翻译: 本公开提供具有降低的光活性,较低的酸溶解性和改善的抗微生物性能的经处理的无机颗粒,特别是二氧化钛颗粒,其包括:无机芯颗粒,特别是二氧化钛颗粒; 二氧化硅的第一处理,其中二氧化硅在一个步骤中加入; 以及包括共沉淀的氧化锌和氧化铝的第二处理。 这些颗粒具有降低的光活性,较低的酸溶解度和改善的抗微生物性能。