发明授权
US5698624A Exfoliated layered materials and nanocomposites comprising matrix
polymers and said exfoliated layered materials formed with
water-insoluble oligomers and polymers
失效
剥离的层状材料和包含基质聚合物的纳米复合材料和由水不溶性低聚物和聚合物形成的所述剥离层状材料
- 专利标题： Exfoliated layered materials and nanocomposites comprising matrix polymers and said exfoliated layered materials formed with water-insoluble oligomers and polymers
- 专利标题（中）： 剥离的层状材料和包含基质聚合物的纳米复合材料和由水不溶性低聚物和聚合物形成的所述剥离层状材料
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申请号： US488263申请日： 1995-06-07
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公开(公告)号： US5698624A公开(公告)日： 1997-12-16
- 发明人: Gary W. Beall , Semeon Tsipursky , Anatoliy Sorokin , Anatoliy Goldman
- 申请人： Gary W. Beall , Semeon Tsipursky , Anatoliy Sorokin , Anatoliy Goldman
- 申请人地址： IL Arlington Heights
- 专利权人： AMCOL International Corporation
- 当前专利权人： AMCOL International Corporation
- 当前专利权人地址： IL Arlington Heights
- 主分类号： C01B33/44
- IPC分类号： C01B33/44 ; C08K7/00 ; C08K9/04 ; C11C5/00 ; C08K3/34 ; C08K5/35 ; C08K5/36
摘要：
Nanocomposites are manufactured by combining a matrix polymer and exfoliated intercalates formed by contacting a phyllosilicate with a water-insoluble polymer to adsorb or intercalate the polymer between adjacent phyllosilicate platelets. Sufficient water-insoluble polymer is adsorbed between adjacent phyllosilicate platelets to expand the adjacent platelets to a spacing of at least about 10 .ANG. (as measured after water removal), up to about 100 .ANG. and preferably in the range of about 30-40 .ANG., so that the intercalate easily can be exfoliated, e.g., when mixed with a polymer melt, to provide a matrix polymer/platelet composite (nanocomposite) material--the platelets being exfoliated from the intercalate.
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