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    • 2. 发明授权
    • Swellable sol-gels, methods of making, and use thereof
    • 可溶胀溶胶,制造方法和使用
    • US08119759B2
    • 2012-02-21
    • US12819940
    • 2010-06-21
    • Paul L. Edmiston
    • Paul L. Edmiston
    • C08G77/60
    • C08G77/48C02F1/28C02F1/281C02F1/285C02F1/681
    • The present invention relates to a method of making a swellable sol-gel composition that involves the use of a bridged silane precursor. The resulting sol-gel includes residual silanols, which are derivatized with a reagent having at least one silanol-reactive group and at least one alkyl group; and the sol-gel is then dried. Sol-gels of the invention are demonstrated to swell up to about 8-10 times their original volume in the presence of a non-polar sorbate. The sol-gel compositions can be used in a sorbate-activated actuator or in a detector for non-polar sorbates. The sol-gel compositions can further be used to take up non-polar sorbates for purposes of chemical remediation, extraction from aqueous systems or vapor, and chemical sensing.
    • 本发明涉及一种制备可溶胀溶胶 - 凝胶组合物的方法,该组合物涉及使用桥连硅烷前体。 所得溶胶 - 凝胶包括残留的硅烷醇,其用具有至少一个硅烷醇反应性基团和至少一个烷基的试剂衍生化; 然后将溶胶 - 凝胶干燥。 证明本发明的溶胶凝胶在非极性山梨酸存在下可膨胀至其原始体积的约8-10倍。 溶胶 - 凝胶组合物可用于山梨酸激活的致动器或用于非极性山梨酸盐的检测器中。 溶胶 - 凝胶组合物可以进一步用于摄取非极性的山梨酸盐,用于化学修复,从水性体系或蒸气中提取,以及化学感测。
    • 8. 发明授权
    • In-situ method and system for controlling the flow of an organic liquid
    • 用于控制有机液体流动的原位方法和系统
    • US08703895B2
    • 2014-04-22
    • US13157274
    • 2011-06-09
    • Paul L. Edmiston
    • Paul L. Edmiston
    • C08G77/50
    • C08G77/48C08G77/52G05D7/012Y10T137/0318Y10T137/8593
    • Disclosed is a method and system for controlling the flow of an organic liquid by flowing an organic liquid through a pipe having an upstream end with an unconstricted portion and a downstream end with a constricted portion, the constricted portion having an inner diameter that is at least 10% smaller than the inner diameter of the unconstricted portion, and a porous plug formed of sol-gel derived particles in the pipe, the plug having a length at least two times the diameter of the pipe. Also disclosed is a method and system, the system including a housing having a liquid inlet and a liquid outlet and containing a sol-gel derived composition and a liquid pressure sensitive control means operatively connected to the liquid inlet for controlling the flow of the organic liquid, contacting the sol-gel derived composition to actuate the liquid pressure sensitive control means and controlling the flow of the organic liquid in response to the actuation.
    • 公开了一种通过使有机液体通过具有上游端的管道而具有无约束部分和具有收缩部分的下游端部来控制有机液体的流动的方法和系统,所述收缩部分的内径至少为 比无约束部分的内径小10%,以及在管中由溶胶 - 凝胶衍生的颗粒形成的多孔塞,塞子的长度为管的直径的至少两倍。 还公开了一种方法和系统,该系统包括具有液体入口和液体出口并包含溶胶 - 凝胶衍生组合物的壳体和可操作地连接到液体入口的液体压力控制装置,用于控制有机液体的流动 使溶胶 - 凝胶衍生的组合物接触以启动液体压敏控制装置并响应于致动而控制有机液体的流动。