Polycarbonate composition and articles formed therefrom
US9169395B2 · kind B2 · utility
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32Claims
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Key dates
| Filing date | May 16, 2013 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Sep 3, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/526
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition includes at least one poly(aliphatic ester)-polycarbonate copolymer, a polysiloxane-polycarbonate copolymer, and an electromagnetic shielding agent (such as metal fibers). The composition exhibits excellent impact properties and electromagnetic shielding properties when formed into an article. Another composition includes at least one poly(aliphatic ester)-polycarbonate copolymer, a polysiloxane-polycarbonate copolymer, and carbon fibers. This composition has excellent impact properties when formed into an article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.