Polyester-polycarbonate compositions, methods of manufacture, and methods of use
US7851560B2 · kind B2 · utility
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9References
29Claims
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Key dates
| Filing date | Nov 29, 2006 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Nov 29, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L83/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition comprising a polysiloxane polycarbonate block copolymer; a cycloaliphatic polyester; and a polycarbonate that is different from the polycarbonate block copolymer, having a weight average molecular weight of less than about 20,000 Daltons. The compositions have high flow at low temperatures and good impact properties. The compositions are useful for the manufacture of components for handheld electronic devises such as cellular telephones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.