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    • 64. 发明授权
    • Nanocomposite articles and process for making
    • 纳米复合材料及其制造工艺
    • US06818163B1
    • 2004-11-16
    • US09890907
    • 2001-11-16
    • Richard F. FibigerKyung W. SuhMark A. BargerJoseph A. SchomakerWenbin LiangGeorge A. MackeyHarvey C. Tung
    • Richard F. FibigerKyung W. SuhMark A. BargerJoseph A. SchomakerWenbin LiangGeorge A. MackeyHarvey C. Tung
    • B29C4402
    • B29C44/22B29C44/12B82Y30/00C08J5/005
    • An improved process for making a structural foamed polymer, a multilayer polymer film, sheet or tube, a pultrusion polymer profile, a compression molded extruded fiber reinforced polymer pre-form, a strand foamed polymer and a SCORIM formed polymer article. The improvement includes the step of dispersing a multi-layered silicate material with the polymer so that the polymer has dispersed therein single layers of silicate material, double layers of silicate material, triple layers of silicate material, four layers of silicate material, five layers of silicate material and more than five layers of silicate material, the volume percent of the one, two, three, four and five layers of silicate material greater than the volume percent of the more then five layers of silicate material. In each of the above embodiments an important benefit of the instant invention is the orientation of the plane of the layers of silicate material. Preferably, most of the layers of silicate material have substantially the same orientation within thirty degrees of angle. Such orientation improves the properties of the product and provides a practical way to make larger products. The amount of multi-layered silicate material used is preferably between one and twenty percent.
    • 制造结构发泡聚合物,多层聚合物膜,片或管,拉挤聚合物轮廓,压缩模制的挤出纤维增强聚合物预成型剂,线股发泡聚合物和SCORIM形成的聚合物制品的改进方法。 改进之处在于分散多层硅酸盐材料与聚合物的步骤,使得聚合物分散在其中单层硅酸盐材料,双层硅酸盐材料,三层硅酸盐材料,四层硅酸盐材料,五层 硅酸盐材料和超过五层的硅酸盐材料,一层,二层,三层,四层和五层硅酸盐材料的体积百分比大于五层以上的硅酸盐材料的体积百分比。 在上述每个实施例中,本发明的重要益处是硅酸盐材料层的平面的取向。 优选地,大多数硅酸盐材料层在30度角内具有基本相同的取向。 这种取向改善了产品的性能,并提供了制作更大产品的实用方法。 多层硅酸盐材料的使用量优选在百分之一到百分之二十之间。