Exfoliated nanocomposites and articles containing same
US7989536B2 · kind B2 · utility
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4References
7Claims
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Key dates
| Filing date | Sep 29, 2008 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Aug 6, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K9/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.