METHOD FOR PRODUCING A WELL-EXFOLIATED AND DISPERSED POLYMER SILICATE NANOCOMPOSITE BY ULTRASONICATION
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United States of America Patent
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app pub date -
Nov 9, 2004
filing date -
Jan 11, 2002
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Abstract
The present invention discloses a method for dispersing and exfoliating fillers in a thermoplastic polymer by sonicating a mixture of the thermoplastic polymer and the filler. The method of the present invention is particularly useful in dispersing layered silicate clays in thermoplastic polymers. A reinforced composite comprising a filler dispersed in a thermoplastic polymer is also disclosed. In another variation, the method of the invention is incorporated into conventional plastic extruder and injection molding equipment.
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