Polycarbonate composition and article comprising the same
US9809677B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2015 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Dec 4, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K21/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a polycarbonate composition including (a) a branched polycarbonate comprising a repeating unit represented by Chemical Formula 1 and a trivalent or tetravalent branched repeating unit connecting the plurality of repeating units represented by Chemical Formula 1 to each other; and (b) a copolycarbonate comprising an aromatic polycarbonate-based first repeating unit, and aromatic polycarbonate-based second repeating units having siloxane bonds which include a repeating unit represented by Chemical Formula 4 and a repeating unit represented by Chemical Formula 5:The polycarbonate composition improves flame retardancy and chemical resistance while maintaining high impact strength and melt index.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.