精製された活性珪酸液及びシリカゾルの製造方法
    1.
    发明申请
    精製された活性珪酸液及びシリカゾルの製造方法 审中-公开
    生产纯化的活性硅酸溶液和二氧化硅溶液的方法

    公开(公告)号:WO2013039212A1

    公开(公告)日:2013-03-21

    申请号:PCT/JP2012/073651

    申请日:2012-09-14

    Abstract: 【課題】 平板状の微小粒子の異物の存在量が低減された活性珪酸液の製造方法と該異物が低減されたシリカゾルの製造方法を提供する。 【解決手段】 シリカ濃度を0.5質量%乃至10.0質量%に調整した珪酸アルカリ水溶液を陽イオン交換によってアルカリ成分を除去して活性珪酸液を調製し、この活性珪酸液を1次粒子径1.0μmの粒子の除去率が50%以上であるフィルターで濾過することを特徴とする、以下の条件を満たす活性珪酸液の製造方法: (1)測定方法Aに従い計測された、一辺の長さが0.2乃至4.0μm、厚さが1乃至100nmの平板状の微小粒子の存在量が0%乃至30%。

    Abstract translation: [问题]提供一种平面微粒异物含量降低的活性硅酸溶液的制造方法以及异物类似减少的二氧化硅溶胶的制造方法。 [方案]根据以下条件的活性硅酸溶液的制造方法,其特征在于,通过阳离子交换从硅酸浓度为0.5〜10.0质量%的硅酸碱水溶液中除去碱成分, 并制备活性硅酸溶液; 并用具有初级粒径为1.0μm的颗粒的去除率为50%或更高的过滤器过滤该活性硅酸溶液; (1)通过测定方法(A)测定的具有0.2〜4.0μm的一边的长度和1〜100nm的厚度的平面微粒的含量为0〜30%。

    SUSPENSION CONTAINING HYDRONIUM STABILIZED COLLOIDAL SILICIC ACID NANOPARTICLES, FORMULATION OBTAINED FROM THE SAID DILUTED SUSPENSION, POWDER OBTAINED FROM THE SAID DEHYDRATED SUSPENSION, COMPOSITIONS OBTAINED FROM THE SAID POWDER, PREPARATION AND U
    2.
    发明申请
    SUSPENSION CONTAINING HYDRONIUM STABILIZED COLLOIDAL SILICIC ACID NANOPARTICLES, FORMULATION OBTAINED FROM THE SAID DILUTED SUSPENSION, POWDER OBTAINED FROM THE SAID DEHYDRATED SUSPENSION, COMPOSITIONS OBTAINED FROM THE SAID POWDER, PREPARATION AND U 审中-公开
    含有氢化稳定的胶体硅酸纳米颗粒的悬浮液,从脱脂悬浮液中获得的制剂,从脱脂的悬浮液中获得的粉末,由该粉末获得的组合物,制备和U

    公开(公告)号:WO2009144087A3

    公开(公告)日:2010-05-20

    申请号:PCT/EP2009054515

    申请日:2009-04-16

    Abstract: The present invention relates to hydronium stabilized silicic acid nanoparticles, to the formulation obtained from the said diluted suspension, to the powder obtained from the said dehydrated suspension and to the preparation or dosage form obtained from the said suspension, formulation or powder, to their preparation and their use in all kinds of applications in the domains of food, medicine, pharmaceutics, cosmetics. The present invention provides a stable suspension of colloidal silicic acid nanoparticles having a pH lower than 0.9, a molar silicon concentration between 0.035 and 0.65, a free water concentration of at least 30% (w/v) and a ratio between hydronium ion and Si molar concentrations higher than 2 and preferably inferior to 4. The present invention further provides a method for preparing a stable suspension of colloidal silicic acid nanoparticles, which comprises the steps of providing an aqueous inorganic or organic silicon solution and quick mixing said aqueous inorganic or organic silicon solution with water containing a strong acidic compound at a temperature inferior at 300°C, preferably comprised between 1 and 25°C, to form a suspension of colloidal silicic acid nanoparticles having a pH lower than 0.9, stabilized by hydronium ions, the ratio between hydronium ions and Si molar concentrations being higher than 2 and preferably inferior to 4, for a molar silicon concentration between 0.035 and 0.65 and a free water concentration of at least 30% (w/v).

    Abstract translation: 本发明涉及水合氢氧化物稳定化的硅酸纳米颗粒,从所述稀释悬浮液获得的制剂与从所述脱水悬浮液获得的粉末以及从所述悬浮液,制剂或粉末获得的制剂或剂型相关的制备 并在食品,医药,制药,化妆品领域的各种应用中使用。 本发明提供了一种具有pH低于0.9,硅浓度在0.035和0.65之间,游离水浓度至少为30%(w / v)以及水合氢离子与Si之间的比例的胶态硅酸纳米颗粒的稳定悬浮液 摩尔浓度高于2,优选低于4.本发明还提供了一种制备胶态硅酸纳米颗粒的稳定悬浮液的方法,其包括以下步骤:提供无机或有机硅水溶液,并快速混合所述无机或有机水溶液 硅溶液,其在含有强酸性化合物的水中,温度低于300℃,优选在1至25℃之间,以形成pH值低于0.9的胶体硅酸纳米颗粒的悬浮液,其通过水合氢离子稳定, 水合氢离子和Si摩尔浓度之间的摩尔浓度高于2,优选低于4 微量0.035和0.65,游离水浓度至少为30%(w / v)。

    SUSPENSION CONTAINING HYDRONIUM STABILIZED COLLOIDAL SILICIC ACID NANOPARTICLES, FORMULATION OBTAINED FROM THE SAID DILUTED SUSPENSION, POWDER OBTAINED FROM THE SAID DEHYDRATED SUSPENSION, COMPOSITIONS OBTAINED FROM THE SAID POWDER, PREPARATION AND USE
    3.
    发明申请
    SUSPENSION CONTAINING HYDRONIUM STABILIZED COLLOIDAL SILICIC ACID NANOPARTICLES, FORMULATION OBTAINED FROM THE SAID DILUTED SUSPENSION, POWDER OBTAINED FROM THE SAID DEHYDRATED SUSPENSION, COMPOSITIONS OBTAINED FROM THE SAID POWDER, PREPARATION AND USE 审中-公开
    含有氢化稳定的胶体硅酸纳米颗粒的悬浮液,从脱脂悬浮液中获得的制剂,从脱脂的悬浮液中获得的粉末,由该粉末获得的组合物,制备和U

    公开(公告)号:WO2009144087A2

    公开(公告)日:2009-12-03

    申请号:PCT/EP2009/054515

    申请日:2009-04-16

    Abstract: The present invention relates to hydronium stabilized silicic acid nanoparticles, to the formulation obtained from the said diluted suspension, to the powder obtained from the said dehydrated suspension and to the preparation or dosage form obtained from the said suspension, formulation or powder, to their preparation and their use in all kinds of applications in the domains of food, medicine, pharmaceutics, cosmetics. The present invention provides a stable suspension of colloidal silicic acid nanoparticles having a pH lower than 0.9, a molar silicon concentration between 0.035 and 0.65, a free water concentration of at least 30% (w/v) and a ratio between hydronium ion and Si molar concentrations higher than 2 and preferably inferior to 4. The present invention further provides a method for preparing a stable suspension of colloidal silicic acid nanoparticles, which comprises the steps of providing an aqueous inorganic or organic silicon solution and quick mixing said aqueous inorganic or organic silicon solution with water containing a strong acidic compound at a temperature inferior at 300°C, preferably comprised between 1 and 25°C, to form a suspension of colloidal silicic acid nanoparticles having a pH lower than 0.9, stabilized by hydronium ions, the ratio between hydronium ions and Si molar concentrations being higher than 2 and preferably inferior to 4, for a molar silicon concentration between 0.035 and 0.65 and a free water concentration of at least 30% (w/v).

    Abstract translation: 本发明涉及水合氢氧化物稳定化的硅酸纳米颗粒,从所述稀释悬浮液获得的制剂与从所述脱水悬浮液获得的粉末以及从所述悬浮液,制剂或粉末获得的制剂或剂型相关的制备 并在食品,医药,制药,化妆品领域的各种应用中使用。 本发明提供了一种具有pH低于0.9,硅浓度在0.035和0.65之间,游离水浓度至少为30%(w / v)以及水合氢离子与Si之间的比例的胶态硅酸纳米颗粒的稳定悬浮液 摩尔浓度高于2,优选低于4.本发明还提供了一种制备胶态硅酸纳米颗粒的稳定悬浮液的方法,其包括以下步骤:提供无机或有机硅水溶液,并快速混合所述无机或有机水溶液 硅溶液,其在含有强酸性化合物的水中,温度低于300℃,优选在1至25℃之间,以形成pH值低于0.9的胶体硅酸纳米颗粒的悬浮液,其通过水合氢离子稳定, 水合氢离子和Si摩尔浓度之间的摩尔浓度高于2,优选低于4 微量0.035和0.65,游离水浓度至少为30%(w / v)。

    FUMED SILICA TO COLLOIDAL SILICA CONVERSION PROCESS
    4.
    发明申请
    FUMED SILICA TO COLLOIDAL SILICA CONVERSION PROCESS 审中-公开
    发烟硅胶对胶体二氧化硅转化过程的影响

    公开(公告)号:WO2007001485A3

    公开(公告)日:2007-11-15

    申请号:PCT/US2006001589

    申请日:2006-01-17

    CPC classification number: C09K3/1463 C01B33/14 C01B33/1435 C01B33/22

    Abstract: A method of manufacturing a colloidal silica dispersion, by dissolving a fumed silica in an aqueous solvent having an alkali metal hydroxide to produce an alkaline silicate solution; removing the alkali metal via ion exchange to produce a silicic acid solution; adjusting the temperature, concentration and pH of the silicic acid solution to values sufficient to initiate nucleation and particle growth at elevated temperatures; and cooling the silicic acid solution at a rate sufficient to produce the colloidal silica dispersion. The colloidal silica particles in the colloidal silica dispersion have a mean particle size about 2 nm to about 100 nm. Also provided is a method of chemical mechanical polishing a surface of a substrate by contacting the substrate and a composition having a plurality of colloidal silica particles according to the present invention and a medium for suspending the particles. The contacting is carried out at a temperature and for a period of time sufficient to planarize the substrate.

    Abstract translation: 一种制造胶体二氧化硅分散体的方法,其通过将气相二氧化硅溶解在具有碱金属氢氧化物的水性溶剂中以产生碱性硅酸盐溶液; 通过离子交换除去碱金属以产生硅酸溶液; 将硅酸溶液的温度,浓度和pH调节至足以在升高的温度下引发成核和颗粒生长的值; 并以足以产生胶态二氧化硅分散体的速率冷却硅酸溶液。 胶态二氧化硅分散体中的胶体二氧化硅粒子具有约2nm至约100nm的平均粒度。 还提供了一种通过使基材和具有多个根据本发明的胶态二氧化硅颗粒的组合物和用于悬浮颗粒的介质接触而对基材表面进行化学机械抛光的方法。 接触在足以使衬底平坦化的温度下进行一段时间。

    SILICA-BASED SOLS AND THEIR PRODUCTION AND USE
    5.
    发明申请
    SILICA-BASED SOLS AND THEIR PRODUCTION AND USE 审中-公开
    二氧化硅溶胶及其生产和使用

    公开(公告)号:WO2005100241A8

    公开(公告)日:2007-03-01

    申请号:PCT/SE2005000489

    申请日:2005-04-05

    CPC classification number: C01B33/1435 D21H17/68 D21H21/10

    Abstract: The invention relates to a process for producing an aqueous silica-based sol which comprises: (a) providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; (b) bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form an aqueous slurry; (c) stirring said aqueous slurry until the pH of the aqueous phase is in the range of from 5.0 to 8.0; (d) adjusting the pH of said aqueous phase to above 9.0; and (e) separating said ion exchange resin from the aqueous phase after step (c) or after step (d). The invention also relates to an aqueous silica-based sol obtainable by the processes as well as a process for producing paper which comprises (i) providing an aqueous suspension comprising cellulosic fibres; (j) adding to the suspension one or more drainage and retention aids comprising an aqueous silica-based sol according to the invention; and (k) dewatering the obtained suspension to provide a sheet or web of paper.

    Abstract translation: 本发明涉及一种生产水性二氧化硅基溶胶的方法,其包括:(a)提供具有氢形式的至少一部分离子交换容量的阳离子离子交换树脂; (b)使所述离子交换树脂与碱金属硅酸盐水溶液接触以形成含水浆料; (c)搅拌所述含水浆料直到水相的pH为5.0-8.0; (d)将所述水相的pH调节至9.0以上; 和(e)在步骤(c)之后或步骤(d)之后将所述离子交换树脂与水相分离。 本发明还涉及通过该方法获得的含水二氧化硅基溶胶以及生产纸的方法,其包括(i)提供包含纤维素纤维的水性悬浮液; (j)向悬浮液中加入一种或多种包含本发明水性二氧化硅基溶胶的排水和助留剂; 和(k)将获得的悬浮液脱水以提供纸张或纸幅。

    メソポーラスシリカ及びその製造方法
    6.
    发明申请
    メソポーラスシリカ及びその製造方法 审中-公开
    多孔二氧化硅及其生产方法

    公开(公告)号:WO2007020894A1

    公开(公告)日:2007-02-22

    申请号:PCT/JP2006/315949

    申请日:2006-08-11

    Abstract:  本発明の目的は、界面活性剤会合体構造を鋳型として用い、電解質フリーの条件下において、メソポーラスシリカを製造する方法、さらには従来得ることのできなかった新規な形状のメソポーラスシリカを提供することである。  ノニオン界面活性剤と、特定構造の水溶性シリケートモノマーとを用い、中性の条件下で反応させることによって、電解質フリーの条件下でメソポーラスシリカを調製することができる。さらに、水に溶解させた場合に適当な温度範囲及び濃度範囲においてリボン相あるいはネマチック相を形成し得るノニオン界面活性剤を用いた場合に、シート状のメソポーラスシリカを調製することができる。

    Abstract translation: 公开了一种通过使用表面活性剂聚集体结构作为模板在无电解质条件下制备介孔二氧化硅的方法。 还公开了迄今尚未制造的具有新几何结构的介孔二氧化硅。 可以在无电解质条件下通过使非离子表面活性剂与在中性条件下具有特定结构的水溶性硅酸盐单体反应来制备介孔二氧化硅。 可以使用非离子表面活性剂,其可以在溶解在水中时在合适的温度范围和浓度范围内形成带相或向列相。 通过使用非离子表面活性剂,可以制备片状介孔二氧化硅。

    HYDRONIUM STABILIZED AND DISSOLUBLE SILICIC ACID NANOPARTICLES: PREPARATION, STABILIZATION AND USE
    8.
    发明申请
    HYDRONIUM STABILIZED AND DISSOLUBLE SILICIC ACID NANOPARTICLES: PREPARATION, STABILIZATION AND USE 审中-公开
    氢化稳定和不溶解的硅酸纳米颗粒:制备,稳定和使用

    公开(公告)号:WO2009127256A1

    公开(公告)日:2009-10-22

    申请号:PCT/EP2008/054643

    申请日:2008-04-17

    Abstract: The present invention relates to hydronium stabilized silicic acid nanoparticles able to dissolve in aqueous environments, to their preparation and use. The present invention provides a stable suspension of colloidal silicic acid nanoparticles having a pH lower than 0.9, a molar silicon concentration between 0.035 and 0.65, a free water concentration of at least 30% (w/v) and a ratio between hydronium ion and Si molar concentrations higher than 2 and preferably inferior to 4. The present invention further provides a method for preparing a stable suspension of colloidal silicic acid nanoparticles, which comprises the steps of providing an aqueous inorganic or organic silicon solution and quick mixing said aqueous inorganic or organic silicon solution with water containing a strong acidic compound at a temperature inferior at 30°C, preferably comprised between 1 and 25°C, to form a suspension of colloidal silicic acid nanoparticles having a pH lower than 0.9, stabilized by hydronium ions, the ratio between hydronium ions and Si molar concentrations being higher than 2 and preferably inferior to 4, for a molar silicon concentration between 0.035 and 0.65 and a free water concentration of at least 30% (w/v).

    Abstract translation: 本发明涉及能够溶解在水性环境中的水合氢化稳定的硅酸纳米粒子,其制备和使用。 本发明提供了一种具有pH低于0.9,硅浓度在0.035和0.65之间,游离水浓度至少为30%(w / v)以及水合氢离子与Si之间的比例的胶态硅酸纳米颗粒的稳定悬浮液 摩尔浓度高于2,优选低于4.本发明还提供了一种制备胶态硅酸纳米颗粒的稳定悬浮液的方法,其包括以下步骤:提供无机或有机硅水溶液,并快速混合所述无机或有机水溶液 硅溶液,其中含有强酸性化合物的水在低于30℃的温度下,优选在1至25℃之间,以形成pH值低于0.9的胶体硅酸纳米颗粒的悬浮液,其通过水合氢离子稳定, 在水合氢离子和Si摩尔浓度之间的摩尔浓度高于2,优选低于4 een 0.035和0.65,游离水浓度至少为30%(w / v)。

    HERSTELLUNG VON METALLOXID-NANOPARTIKELN AUS ALKALI-METALLATEN IN ORGANISCHEN LÖSUNGSMITTELN
    9.
    发明申请
    HERSTELLUNG VON METALLOXID-NANOPARTIKELN AUS ALKALI-METALLATEN IN ORGANISCHEN LÖSUNGSMITTELN 审中-公开
    金属的纳米微粒从碱-METAL LATEN有机溶剂生产

    公开(公告)号:WO2009027327A1

    公开(公告)日:2009-03-05

    申请号:PCT/EP2008/061001

    申请日:2008-08-22

    Abstract: Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Metall-oder Halb- metalloxid-Nanopartikeln der allgemeinen Formel (I), worin M 1 , a und b die folgenden Bedeutungen haben: M 1 Metall oder Halbmetall ausgewählt aus den Gruppen 1 bis 15 des Periodensystems der Elemente (IUPAC) der Lanthanoide, Actinoide und Mischungen davon, a 1 -4 und b 1 -4, wobei a und b in Abhängigkeit von der Oxidationsstufe von M 1 so gewählt sind, dass die Verbindung der allgemeinen Formel (I) neutral geladen ist, umfassend die folgenden Schritte: (A) Bereitstellen einer Lösung oder Dispersion wenigstens einer Verbindung der allgemeinen Formel (II), worin M 1 die oben genannte Bedeutung hat, und M 2 , x, y, z und n die folgenden Bedeutungen haben: M 2 Alkali-, ErdalkalimetalloderMischungen davon, x 0,5 -6,30 y 0,5 -6, z 0,5 -4 und n 0 -12 wobei x, y und z in Abhängigkeit von den Oxidationsstufen von M 1 und M 2 so gewählt sind, dass die wenigstens eine Verbindung der allgemeinen Formel (II) neutral geladen ist, in wenigstens einem organischen Lösungs-oder Dispersionsmittel als Reaktionsmischung, (B) Umsetzen der in der Reaktionsmischung aus Schritt (A) befindlichen wenigstens einen Verbindung der allgemeinen Formel (II) mit wenigstens einem sauren Ionentauscher durch Zugabe deswenigstens einen sauren Ionentauschers zu der Reaktionsmischung, um die Metall-oder Halbmetalloxid-Nanopartikel der allgemeinen Formel (I) zu erhalten und (C) Abtrennen des wenigstens einen sauren Ionentauschers von der Reaktionsmischung.

    Abstract translation: 本发明涉及一种用于生产通式(I)的金属或半金属氧化物纳米颗粒,其中,M1,a和b具有以下含义:M 1金属或从组1中选择至15的元素周期表的类金属 镧系元素,锕系元素的(IUPAC),以及它们的混合物,a是1-4和b 1-4,其中a和b是根据使得通式(I)的化合物是电中性的M1的氧化态选择,包括 (a)提供溶液或通式(II)中的至少一种化合物的分散体,其中M1具有以上给出的含义,和M2,X,Y,Z和n具有以下含义:M2碱,ErdalkalimetalloderMischungen的步骤 其中,x Y 0.5 -6.30 0.5 0.5 -6 -4ž和-12 N 0其中,x,y和z根据M1和M2的氧化态选择,使得至少 通式(II)诺伊特拉的化合物 升在位于(II)与通过加入至少一种酸性离子交换剂,所述通式中的至少一种化合物的至少一种有机溶剂或分散剂作为反应混合物,(B)在步骤(A)的反应混合物反应加载至少一种酸性离子交换剂,以 以获得和(C)从反应混合物中分离出至少一种酸性离子交换剂。将反应混合物的通式(I)的金属或半金属氧化物纳米颗粒,

    SILICA-BASED SOLS
    10.
    发明申请
    SILICA-BASED SOLS 审中-公开
    二氧化硅溶胶

    公开(公告)号:WO2008150230A1

    公开(公告)日:2008-12-11

    申请号:PCT/SE2008/050657

    申请日:2008-06-04

    Abstract: The invention relates to a sol containing silica-based particles having an axial ratio of at least about 10 and specific surface area of at least about 600 m2/g. The invention further relates to a sol containing silica-based particles having an axial ratio of at least about 10 and S-value up to about 25. The invention further relates to a sol containing silica-based particles having an axial ratio of at least about 10 and a specific surface area of at least about 400 m2/g, wherein the silica-based particles are surface-modified. The invention further relates to a sol containing silica-based particles having a viscosity of at least 50 cP and silica content of at least about 3 % by weight, wherein the silica-based particles have a specific surface area of at least about 400 m2/g. The invention further relates to a process for producing the aqueous silica-based sol according to the invention, a sol containing silica-based particles obtainable by the process, use of the sol containing silica- based particles as a flocculating agent. The invention further relates to a process for producing paper in which the sol containing silica-based particles is used as a drainage and retention aid..

    Abstract translation: 本发明涉及含有至少约10的轴比和至少约600m 2 / g的比表面积的二氧化硅基颗粒的溶胶。 本发明还涉及一种含有轴比为至少约10和S值至多约25的二氧化硅基颗粒的溶胶。本发明还涉及一种含有至少约为(约)的轴比的二氧化硅基颗粒的溶胶 10,比表面积为至少约400m2 / g,其中二氧化硅基颗粒被表面改性。 本发明还涉及含有二氧化硅基颗粒的溶胶,所述颗粒具有至少50cP的粘度和至少约3重量%的二氧化硅含量,其中所述二氧化硅基颗粒的比表面积为至少约400m 2 / G。 本发明还涉及本发明的水性二氧化硅基溶胶的制造方法,含有二氧化硅系粒子的溶胶,该方法可以使用含有二氧化硅系粒子的溶胶作为絮凝剂。 本发明还涉及一种生产纸的方法,其中含有二氧化硅基颗粒的溶胶用作排水和助留剂。

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