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Nanocomposites, prepared by onium - ions intercalated clay and tough with anhydride cured epoxy resins
Nanocomposites, prepared by onium - ions intercalated clay and tough with anhydride cured epoxy resins
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机译:纳米复合材料,由离子插层的粘土和酸酐固化环氧树脂制成。
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摘要
Intercalates formed by contacting a layered material, e.g., a phyllosilicate, with an intercalant onium ion spacing agent and an anhydride-curable epoxy resin. The intercalant onium ion spacing agent converts the interlayer region of the layered materials from hydrophilic to hydrophobic, therefore, the anhydride-curable epoxy resin can be easily intercalated into the interlayer spacing. The co-presence of the co-intercalant anhydride-curable epoxy resin in the interlayer space provides surprising increase in glass transition temperature for anhydride-curable epoxy resin matrix polymer/co-intercalant compounded nanocomposites. The nanocomposites (e.g., epoxy-clay) prepared from the intercalants demonstrate enhanced mechanical, thermal and chemical resistance compared with pristine polymer matrices.
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