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    • 3. 发明申请
    • ORGANIC-INORGANIC NANO COMPOSITES AND PREPARATION METHOD THEREOF
    • 有机无机纳米复合材料及其制备方法
    • US20100184922A1
    • 2010-07-22
    • US12608717
    • 2009-10-29
    • Gwanghoon KwagHoochae KimSeunghwon LeeHwieon ParkHyung Kyu Choi
    • Gwanghoon KwagHoochae KimSeunghwon LeeHwieon ParkHyung Kyu Choi
    • C08F257/00
    • C08K5/548B60C1/0016C08F2/38C08F236/10C08F279/02C08F2438/03C08K3/36C08L9/00C08L9/06C08L51/04Y02T10/862C08F220/14C08L2666/02
    • Provided is an organic-inorganic nano composite, and more particularly, an organic-inorganic nano composite including: a styrene-butadiene copolymer; an acryl-based monomer; a living radical polymerization initiator; silica; and a coupling agent, in which radiality is maximized. The organic-inorganic nano composite is prepared using a method comprising: preparing a spherical styrene-butadiene copolymer; preparing a nano-sized spherical styrene-butadiene-acrylate copolymer using living radical polymerization of the spherical styrene-butadiene copolymer and an acryl-based monomer; and preparing a composite by coupling the nano-sized spherical styrene-butadiene-acrylate copolymer and silica using a coupling agent. The organic-inorganic nano composite has excellent tensile and tear properties, and high wet traction capability. Thus, if the organic-inorganic nano composite according to the present invention is applied to organic filler for tires, rolling resistance can be decreased and wet traction capability can be increased, and the organic-inorganic nano composite can be efficiently applied to a hard coating material as well.
    • 本发明提供一种有机 - 无机纳米复合体,更具体地说,涉及含有:苯乙烯 - 丁二烯共聚物的有机 - 无机纳米复合物, 丙烯酸类单体; 活性自由基聚合引发剂; 二氧化硅 和其中径向性最大化的偶联剂。 有机 - 无机纳米复合材料是使用以下方法制备的:制备球形苯乙烯 - 丁二烯共聚物; 使用球形苯乙烯 - 丁二烯共聚物和丙烯酸类单体的活性自由基聚合制备纳米尺寸的球形苯乙烯 - 丁二烯 - 丙烯酸酯共聚物; 并通过使用偶联剂偶联纳米尺寸的球形苯乙烯 - 丁二烯 - 丙烯酸酯共聚物和二氧化硅来制备复合材料。 有机 - 无机纳米复合材料具有优异的拉伸和撕裂性能,以及高湿牵引能力。 因此,如果将本发明的有机无机纳米复合体用于轮胎用有机填料,则能够降低滚动阻力,提高湿牵引能力,能够有效地将有机 - 无机纳米复合材料应用于硬涂层 材料以及。