US 2008/0167414 A1 · POLYCARBONATE COMPOSITION COMPRISING NANOMATERIALS

Abstract

A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonate nanocomposite is disclosed. Also disclosed are polycarbonate nanocomposites prepared in accordance with this method, and thermoplastic compositions comprising the polycarbonate nanocomposites. Also disclosed are polycarbonate compositions comprising the nanomaterial.

Claims20

Dependent claims

A polycarbonate composition comprising:

an aromatic polycarbonate,
0.1 to 10 percent by weight of the total composition of a nanomaterial,
wherein greater than 90% by volume of the particles of the nanomaterial in the composition have a particle diameter less than 50 nm as measured by SAXS.

Dependencies are inferred from the claim text.

Facts

Application

11/846,945Filed 29 Aug 2007

Priority

29 Sep 2006

Published

10 Jul 2008

Term ends

Not estimatedThe source records don’t support an estimate.

Classification12 codes

C08K 3/36
Silicon-containing compounds: silica
B82Y 30/00
Nanotechnology for materials or surface science
C08J 5/005
Manufacture of articles or shaped materials containing macromolecular substances: reinforced macromolecular compounds with nanosized materials,…
C08L 69/00
Compositions of polycarbonates

Polycarbonate composition comprising nanomaterials

Life of this patent

Polycarbonate composition comprising nanomaterials

Life of this patent

Abstract

Claims20