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    • 6. 发明申请
    • SILICEOUS MATERIALS HAVING TUNABLE POROSITY AND SURFACE MORPHOLOGY AND METHODS OF SYNTHESIZING SAME
    • 具有可调节孔隙度和表面形态的硅质材料及其合成方法
    • US20100068519A1
    • 2010-03-18
    • US12209790
    • 2008-09-12
    • Brian T. HollandSascha Welz
    • Brian T. HollandSascha Welz
    • C01B33/00B32B5/18B32B5/16
    • C01B33/126C01B33/193C01P2006/12C01P2006/14C01P2006/16Y10T428/2982Y10T428/2991
    • Non-spherical siliceous particles having a plurality of porous branches are disclosed and claimed. The porous branches are randomly oriented and elongated, ring-like, and/or aggregated. An additive introduced during synthesis of the particles modifies pore volume and morphology. The tunability of the pore volume includes an inner diameter ranging from about 2 Å to about 50,000 Å. Synthesizing the particles includes mixing under constant or intermittent stirring in a reaction vessel an aqueous silicic acid solution with an acidic heel solution to form a mixture. The stirring may optionally be performed at a variable speed. An additive is introduced into the mixture at a controlled rate, wherein the additive imposes a pH change from a lower pH to a higher pH to the mixture to induce siliceous particle precipitation. Optionally, a metal dopand may be introduced into the particles and/or at least a portion of an outer surface located outside of the pores and/or an inner surface located inside of the pores may be modified.
    • 公开并要求保护具有多个多孔分支的非球形硅质颗粒。 多孔分支是随机取向的并且是细长的,环状的和/或聚集的。 在合成颗粒期间引入的添加剂改变孔体积和形态。 孔体积的可调性包括范围从约2到约50,000的内径。 合成颗粒包括在反应容器中在恒定或间歇搅拌下混合含水硅酸溶液与酸性鞋底溶液以形成混合物。 可以可选地以可变速度进行搅拌。 将添加剂以受控的速率引入混合物中,其中添加剂将pH从较低的pH升高到较高的pH至混合物以诱导硅质颗粒沉淀。 任选地,可以将金属掺杂物引入颗粒中,和/或位于孔外部的外表面的至少一部分和/或位于孔内部的内表面可以被修饰。
    • 7. 发明授权
    • Siliceous materials having tunable porosity and surface morphology and methods of synthesizing same
    • 具有可调孔性和表面形态的硅质材料及其合成方法
    • US08790608B2
    • 2014-07-29
    • US12209790
    • 2008-09-12
    • Brian T. HollandSascha Welz
    • Brian T. HollandSascha Welz
    • C01B33/00C01B33/12
    • C01B33/126C01B33/193C01P2006/12C01P2006/14C01P2006/16Y10T428/2982Y10T428/2991
    • Non-spherical siliceous particles having a plurality of porous branches are disclosed and claimed. The porous branches are randomly oriented and elongated, ring-like, and/or aggregated. An additive introduced during synthesis of the particles modifies pore volume and morphology. The tunability of the pore volume includes an inner diameter ranging from about 2 Å to about 50,000 Å. Synthesizing the particles includes mixing under constant or intermittent stirring in a reaction vessel an aqueous silicic acid solution with an acidic heel solution to form a mixture. The stirring may optionally be performed at a variable speed. An additive is introduced into the mixture at a controlled rate, wherein the additive imposes a pH change from a lower pH to a higher pH to the mixture to induce siliceous particle precipitation. Optionally, a metal dopand may be introduced into the particles and/or at least a portion of an outer surface located outside of the pores and/or an inner surface located inside of the pores may be modified.
    • 公开并要求保护具有多个多孔分支的非球形硅质颗粒。 多孔分支是随机取向的并且是细长的,环状的和/或聚集的。 在合成颗粒期间引入的添加剂改变孔体积和形态。 孔体积的可调性包括范围从约2到约50,000的内径。 合成颗粒包括在反应容器中在恒定或间歇搅拌下混合含水硅酸溶液与酸性鞋底溶液以形成混合物。 可以可选地以可变速度进行搅拌。 将添加剂以受控的速率引入混合物中,其中添加剂将pH从较低的pH升高到较高的pH至混合物以诱导硅质颗粒沉淀。 任选地,可以将金属掺杂物引入颗粒中,和/或位于孔外部的外表面的至少一部分和/或位于孔内部的内表面可以被修饰。
    • 10. 发明申请
    • ORGANICALLY MODIFIED SILICA AND USE THEREOF
    • 有机改性二氧化硅及其用途
    • US20120125233A1
    • 2012-05-24
    • US13360238
    • 2012-01-27
    • Brian T. HollandJi CuiTimothy S. Keizer
    • Brian T. HollandJi CuiTimothy S. Keizer
    • C09D7/12B32B5/16B82Y99/00
    • C07F7/1804C07B2200/11Y10T428/2982
    • Disclosed and claimed is a novel protective coating for metal surfaces. The protective coating includes one part by weight of the organosilane-modified silica nanoparticles made by the disclosed process and further includes from 0.3 to 3 parts by weight of the reaction product of (1) a compound comprising a polyamine in which a plurality of amine groups are bonded to at least one radical selected from the group consisting of hydrocarbon and hydrocarbon ether groups that separate nitrogen atoms of said amine groups by at least four intermediate atoms in a chain, and (2) a silane which carries a plurality of silicon-bonded hydrolyzable groups and a silicon-bonded organic group that is covalently reactive to and which bonds with said amine group, said silane also comprising hydrolyzable groups, to provide a reaction product molecule which comprises an average of 2.5 to 3.5 silane groups per molecule.
    • 公开并要求保护的是用于金属表面的新型保护涂层。 保护涂层包括由所公开的方法制备的一份重量的有机硅烷改性二氧化硅纳米颗粒,并且还包括0.3至3重量份的(1)包含多胺的化合物的反应产物,其中多个胺基 与至少一种选自烃和烃醚基团的基团键合,所述烃基和烃醚基团将所述胺基团的氮原子分成链中至少四个中间原子,和(2)硅烷,其携带多个硅键合 可水解基团和与所述胺基共价反应并与其结合的硅键合的有机基团,所述硅烷还包含可水解基团,以提供包含平均每分子2.5至3.5个硅烷基团的反应产物分子。