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    • 4. 发明授权
    • Mesostructured inorganic materials prepared with controllable orientational ordering
    • 用可控取向排列制备的中等结构无机材料
    • US07837909B2
    • 2010-11-23
    • US11735252
    • 2007-04-13
    • Bradley F. ChmelkaJordi NollaChristian A. SteinbeckGeorge L. AthensDouglas Wildemuth
    • Bradley F. ChmelkaJordi NollaChristian A. SteinbeckGeorge L. AthensDouglas Wildemuth
    • C04B35/634
    • C01B37/02B82Y30/00C08G83/001C09D1/00D01D5/00D01F9/00
    • Mesostructured inorganic-organic materials, in the form of patterned films, monoliths, and fibers, can be prepared with controllable orientational ordering over macroscopic length scales. They are synthesized by controlling solvent removal rates across material interfaces, in conjunction with the rates of surfactant self-assembly and inorganic cross-linking and surface interactions. A method for controlling the rates and directions of solvent removal from a heterogeneous material synthesis mixture that allows the nucleation and directional alignment of self-assembling mesostructures to be controlled during synthesis is disclosed. The aligned mesostructured inorganic-organic materials and mesoporous inorganic or carbon materials can be prepared in the form of patterned films, monoliths, and fibers with controllable orientational ordering. Such materials possess anisotropic structural, mechanical, optical, reaction, or transport properties that can be exploited for numerous applications in opto-electronics, separations, fuel cells, catalysis, MEMS/microfluidics, for example.
    • 以图案化膜,整料和纤维的形式的中间结构的无机 - 有机材料可以通过宏观长度尺度以可控的取向顺序制备。 它们通过控制材料界面处的溶剂去除速率以及表面活性剂自组装速率和无机交联和表面相互作用而合成。 公开了一种用于控制从异质材料合成混合物中去除溶剂的速率和方向的方法,其允许在合成期间控制自组装介孔结构的成核和定向排列。 对准的介孔结构的无机 - 有机材料和介孔无机或碳材料可以以具有可控取向顺序的图案化膜,整料和纤维的形式制备。 这些材料具有各向异性的结构,机械,光学,反应或传输特性,可用于光电子,分离,燃料电池,催化,MEMS /微流体等众多应用。