<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">纳米氧化铝*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:'Times New Roman'"><*n style="font-family:宋体">应用前景广阔*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:宋体"> <*n style="font-family:宋体">我国亟需开发*纳米氧化铝*n>*n>*n>*n>*n>
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">氧化铝是白色晶状粉末,氧化铝存在多种晶型具有*n>α、β、γ、δ、η、θ等十一种晶体,常见的有三种即:α<*n style="font-family:Times New Roman">-Al2O3*n><*n style="font-family:宋体">、β*n><*n style="font-family:Times New Roman">- Al2O3*n><*n style="font-family:宋体">、γ*n><*n style="font-family:Times New Roman">-Al2O3*n><*n style="font-family:宋体">。α*n><*n style="font-family:Times New Roman">-Al2O3*n><*n style="font-family:宋体">比表面低,具有耐高温的惰性,但不属于活性氧化铝,几乎没有催化活性;β*n><*n style="font-family:Times New Roman">-Al2O3*n><*n style="font-family:宋体">、γ*n><*n style="font-family:Times New Roman">-Al2O3*n><*n style="font-family:宋体">的比表面较大,孔隙率高、耐热性强,成型性好,具有较强的表面酸性和一定的表面碱性,被广泛应用作催化剂和催化剂载体。当氧化体粒径向下延伸到纳米级别时,在保持普通氧化体优良特性的同时,显示出了常规材料所不具有的光、电、磁、热和机械特性,纳米氧化铝作为一种新型功能材料广泛应用于光学、化工及陶瓷等多个领域。*n>*n>*n>*n>*n>
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">晶瑞纳米材料*n> <*n style="font-family:宋体">微芯:*n>gzjr88.*n>*n>*n>*n>
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">氧化铝不同晶型的纳米氧化铝还具有各自的特点和应用领域。纳米*n> γ<*n style="font-family:Times New Roman">-Al2O3*n><*n style="font-family:宋体">(*n><*n style="font-family:Times New Roman">VK-L20Y*n><*n style="font-family:宋体">) 比表面积大、活性高,可以提高催化效果,广泛用于催化领域,国内外已被广泛用作汽车尾气催化剂、石油炼制催化剂、加氢和加氢脱硫催化剂等的载体;β*n><*n style="font-family:Times New Roman">-Al2O3 *n><*n style="font-family:宋体">具有快离子导电性能,烧结体可以用于制备电池; α*n><*n style="font-family:Times New Roman">-Al2O3 *n><*n style="font-family:宋体">可以制备高强度、高硬度、高韧性、高机械强度的陶瓷件,如切削工具、模具、磨料等。*n>*n>*n>*n>*n>
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">纳米氧化铝(*n>VK-L30/VK-L20Y<*n style="font-family:宋体">)粉体尺寸介于*n><*n style="font-family:Times New Roman">1-100 nm*n><*n style="font-family:宋体">之间,*n><*n style="font-family:Times New Roman">20*n><*n style="font-family:宋体">世纪*n><*n style="font-family:Times New Roman">80*n><*n style="font-family:宋体">年代中期*n><*n style="font-family:Times New Roman">H.Gleiter*n><*n style="font-family:宋体">等制得,随后经过广泛研究,对纳米氧化铝的认识不断加深,发现它除了具有纳米效应外,还具有表面积非常大、表面张力大、颗粒间的结合力非常大、对光有强烈的吸收能力、熔点低、化学活性好,易发生化学反应;同时氧化铝具有良好的导热性、高绝缘性等特性,应用领域*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:'Times New Roman'"><*n style="font-family:宋体">非常广阔*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">。*n>*n>*n>*n>*n>
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:'Times New Roman'"><*n style="font-family:宋体">纳米氧化铝*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">(*n>VK-L30/VK-L20Y<*n style="font-family:宋体">)*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:'Times New Roman'"><*n style="font-family:宋体">由于表面效应、*尺寸效应、体积效应、宏观*隧道效应的作用而具有良好的热学、光学、电学、磁学以及化学方面的性质,因此它被广泛用于传统产业(轻工、化工、建材等)以及新材料、微电子、宇航工业等高科技领域,如下表所列,随着科学技术的迅猛发展,纳米氧化铝*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">(*n>VK-L30/VK-L20Y<*n style="font-family:宋体">)*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:'Times New Roman'"><*n style="font-family:宋体">的应用领域会得到更大地拓宽,市场需求量也会日益应用前景*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">不可估量。*n>*n>*n>*n>*n>
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">纳米氧化铝的应用*n>*n>*n>*n>*n>
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">应用分类*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">使用特性*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">材料状态*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">应用举例*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">工程陶瓷*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">高强度*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">致密烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">转子、活塞、内衬*n>*n>*n>*n> |
|
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">高硬度、高强度、高韧性*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">致密烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">切削工具*n>*n>*n>*n> |
|
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">高机械强度*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">粉末*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">研磨料、磨具*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">热性能*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">耐高温*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">致密烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">耐高温坩埚、导<*n style="font-family:Times New Roman">dan*n><*n style="font-family:宋体">窗口*n>*n>*n>*n>*n> |
|
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">导热性*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">高纯致密烧结体、薄片*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">集成电路基板*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">电、磁性能*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">绝缘体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">高纯致密烧结体、薄片*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">集成电路基板、散热绝缘衬底*n>*n>*n>*n> |
|
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">离子导电型*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">β<*n style="font-family:Times New Roman">-Al2O3*n>*n>*n><*n style="font-size:9.0000pt"><*n style="font-family:宋体">烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">钠硫电池*n>*n>*n>*n> |
|
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">磁流体发电*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">致密烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">电离气体通道*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">光学性能*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">透光性*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">致密透明烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">高压钠灯管、激光窗口*n>*n>*n>*n> |
|
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">透红外光性*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">热压烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">导<*n style="font-family:Times New Roman">dan*n><*n style="font-family:宋体">窗口窗口*n>*n>*n>*n>*n> |
|
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">透无线电波性*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">致密烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">传感器*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">化学功能*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">传感*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">传感器*n>*n>*n>*n> |
|
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">催化*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">粉体或多孔烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">催化剂、催化剂载体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">吸音性能*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">吸音*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">多孔烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">吸音板*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">生物功能*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">机械强度*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">致密烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">人造骨、齿*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">核应用*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">屏蔽射线*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">致密烧结体*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体">核反应堆屏蔽材料*n>*n>*n>*n> |
<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">纳米氧化铝,宣城晶瑞新材料有限公司是国内较早大规模产业化生产纳米氧化铝的厂家,目前已经能稳定提供纳米氧化铝系列粉体及分散液产品,原生粒径可控制在*n>10-100nm<*n style="font-family:宋体">范围,性能优异品质稳定;产品有*n><*n style="font-family:Times New Roman">5N*n><*n style="font-family:宋体">高纯氧化铝、*n><*n style="font-family:Times New Roman">4N*n><*n style="font-family:宋体">氧化铝等各种**纳米氧化铝材料。*n>*n>*n>*n>*n>