SILICA SOL AND SILICA-CONTAINING EPOXY RESIN COMPOSITION
    36.
    发明申请
    SILICA SOL AND SILICA-CONTAINING EPOXY RESIN COMPOSITION 有权
    二氧化硅溶胶和含二氧化硅环氧树脂组合物

    公开(公告)号:US20160068664A1

    公开(公告)日:2016-03-10

    申请号:US14785739

    申请日:2014-05-14

    IPC分类号: C08K9/06

    摘要: The silica sol of the invention contains silica particles having a mean primary particle size of 20 to 100 nm and which has a silica particle size/mean primary particle size ratio, determined through dynamic light scattering, of 3.0 or less, wherein the silica particles are surface-treated with an organic silane compound and have an α-ray emission rate of 0.005 counts/cm2·hr or less and a moisture absorption coefficient, determined after allowing the silica particles to stand for 48 hours at 23° C. and a relative humidity of 50 RH %, of 0.5 mass % or lower.

    摘要翻译: 本发明的硅溶胶含有平均一次粒径为20〜100nm的二氧化硅粒子,其二氧化硅粒子尺寸/动态光散射测定的平均一次粒径比为3.0以下,二氧化硅粒子为 用有机硅烷化合物进行表面处理,并且在23℃下使二氧化硅粒子静置48小时后测定的α射线排出率为0.005个/ cm 2·小时以下,吸湿系数为 湿度为50%RH,为0.5质量%以下。

    Solvent-Substitution Solvent Used in Aerogel Production, and Hydrophobised Aerogel Production Method Using Same
    37.
    发明申请
    Solvent-Substitution Solvent Used in Aerogel Production, and Hydrophobised Aerogel Production Method Using Same 审中-公开
    用于气凝胶生产中的溶剂替代溶剂和使用其的疏水性气凝胶生产方法

    公开(公告)号:US20150141532A1

    公开(公告)日:2015-05-21

    申请号:US14398843

    申请日:2013-05-09

    申请人: REMTECH CO., LTD.

    IPC分类号: C01B33/155 C01B33/158

    摘要: Provided are a solvent-substitution solvent for producing a hydrophobized aerogel and a method for producing a hydrophobized aerogel. The solvent-substitution solvent includes pentanol in an amount of 41 wt % to 100 wt % and n-butanol in an amount of 0 wt % to 59 wt %. The method includes performing a solvent substitution process using the solvent-substitution solvent. If the solvent-substitution solvent is used for solvent substitution and/or hydrophobization in an aerogel production process, water (moisture) contained in a wet gel may be effectively substituted with the solvent-substitution solvent, and the solvent-substitution solvent may easily be collected at a high degree of purity and may be reused if necessary. Therefore, the rate of solvent loss may be minimized. In addition, if the solvent-substitution solvent is used for solvent substitution, a hydrophobized aerogel may be obtained without having to perform a hydrophobizing process using an additional hydrophobizing agent such as a silylating agent.

    摘要翻译: 提供用于制备疏水化气凝胶的溶剂置换溶剂和制备疏水化气凝胶的方法。 溶剂置换溶剂包括41重量%至100重量%的戊醇​​和0重量%至59重量%的正丁醇。 该方法包括使用溶剂置换溶剂进行溶剂置换过程。 如果在气凝胶制造方法中使用溶剂置换溶剂进行溶剂置换和/或疏水化,则可以用溶剂置换溶剂有效地取代湿凝胶中所含的水分(水分),溶剂置换溶剂容易 以高纯度收集,如果需要可以重复使用。 因此,可以使溶剂损失的速度最小化。 此外,如果使用溶剂置换溶剂进行溶剂置换,则可以不使用另外的疏水化剂如甲硅烷基化剂进行疏水化处理来获得疏水化气凝胶。

    METHOD FOR PREPARING SILICA COMPOSITIONS, SILICA COMPOSITIONS AND USES THEREOF
    38.
    发明申请
    METHOD FOR PREPARING SILICA COMPOSITIONS, SILICA COMPOSITIONS AND USES THEREOF 审中-公开
    二氧化硅组合物的制备方法,二氧化硅组合物及其用途

    公开(公告)号:US20140057996A1

    公开(公告)日:2014-02-27

    申请号:US13971766

    申请日:2013-08-20

    申请人: DelSiTech Oy

    IPC分类号: A61K47/02

    摘要: A method for producing a flowing silica composition including a sol-gel transfer, where redispersion is carried out. The redispersion includes adding, after having reached gel point of the sol-gel transfer, liquid into the gel formed by the sol-gel transfer, and the addition being made within a sufficiently short time period after reaching the gel point, to result, after mixing of the gel and the liquid, in a rheologically homogenous flowing silica composition, which is and remains injectable as such, or by short stirring

    摘要翻译: 一种制备流动二氧化硅组合物的方法,其包括进行再分散的溶胶 - 凝胶转移。 再分散包括在溶胶 - 凝胶转移的凝胶点达到液体进入通过溶胶 - 凝胶转移形成的凝胶中并在达到凝胶点之后在足够短的时间内进行添加,结果是在 在流变均匀的流动二氧化硅组合物中混合凝胶和液体,其仍然是可注射的,或通过短的搅拌<30秒,通过薄的22G针。 还公开了流动的二氧化硅组合物和可通过本发明的方法获得的凝胶,以及流动的二氧化硅组合物的用途。

    SMART POLYMERS FUNCTIONALIZED HOLLOW SILICA VESICLES
    39.
    发明申请
    SMART POLYMERS FUNCTIONALIZED HOLLOW SILICA VESICLES 审中-公开
    智能聚合物功能性中空硅胶

    公开(公告)号:US20130034609A1

    公开(公告)日:2013-02-07

    申请号:US13577860

    申请日:2010-02-09

    申请人: Ye Liu Chee Leng Lay

    发明人: Ye Liu Chee Leng Lay

    摘要: The present invention provides a porous hollow silica micro- or nanoparticle with a polymer grafted thereon, wherein the polymer is selected from poly(methacrylic acid) and copolymers thereof. The polymer may be covalently linked to the silica particle via a bridging group. Provided is also a method of covalently coupling a poly(methacrylic acid) to a silica surface of a hollow silica particle. The method comprises contacting a silica surface of a hollow silica particle that carries amino functional or halogen functional groups with a poly(methacrylic acid) or a copolymer or a respective monomer thereof. The method further comprises allowing the carboxyl group of the monomer or the poly(methacrylic acid) and an amino functional group or a halogen functional group on the silica surface to undergo a coupling reaction, thereby covalently coupling the polymer to the silica surface.

    摘要翻译: 本发明提供一种其上接枝有聚合物的多孔中空二氧化硅微纳米颗粒,其中该聚合物选自聚(甲基丙烯酸)及其共聚物。 聚合物可以通过桥连基团与二氧化硅颗粒共价连接。 还提供了将聚(甲基丙烯酸)共价偶联到中空二氧化硅颗粒的二氧化硅表面上的方法。 该方法包括将携带氨基官能团或卤素官能团的中空二氧化硅颗粒的二氧化硅表面与聚(甲基丙烯酸)或共聚物或其相应单体接触。 该方法还包括使二氧化硅表面上的单体或聚(甲基丙烯酸)和氨基官能团或卤素官能团的羧基进行偶联反应,从而将聚合物共价偶联到二氧化硅表面。

    High velocity, low pressure process for making silica gels and microgels
    40.
    发明授权
    High velocity, low pressure process for making silica gels and microgels 失效
    制造硅胶和微凝胶的高速,低压工艺

    公开(公告)号:US07504084B2

    公开(公告)日:2009-03-17

    申请号:US11292012

    申请日:2005-12-01

    IPC分类号: C01B33/142 C01B33/143

    摘要: This invention relates to a process for converting silica to polysilicate gels or hydrogels by combining an aqueous silica source with a CO2 feed stream as the gel initiator, whereby the reaction stream is propelled at high velocity and turbulence maintaining the CO2 uptake rate in the reaction stream. The invention also relates to a process for converting silica to polysilicate by pre-carbonating water at pressures of equal to or greater than 100 psig before initiating the polysilicate reaction.

    摘要翻译: 本发明涉及通过将水性二氧化硅源与CO 2进料流组合作为凝胶引发剂将二氧化硅转化为聚硅酸盐凝胶或水凝胶的方法,由此反应流以高速度和湍流推进,维持反应流中的CO 2吸收速率 。 本发明还涉及通过在开始聚硅酸盐反应之前将等于或大于100psig的压力预先水化水来将二氧化硅转化为聚硅酸盐的方法。