Exfoliated nanocomposites and articles containing same

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

Reexamination Certificate

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C524S515000, C524S447000, C524S570000, C525S241000

Reexamination Certificate

active

07989536

ABSTRACT:
A polymeric nanocomposite comprises a non-polar hyperbranched polystyrene resin. An exfoliated or intercalated onium functionalized clay is dispersed within the resin. Such nanocomposites are more compatible with non-polar polymer matrices used in various articles of manufacture.

REFERENCES:
patent: 6646068 (2003-11-01), Chisholm et al.
patent: 6686407 (2004-02-01), Robello et al.
patent: 6867255 (2005-03-01), Robello et al.
patent: 7166657 (2007-01-01), Rao et al.
patent: 2005/0038167 (2005-02-01), Plummer et al.

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