Polycarbonate compositions and articles formed therefrom, with matte surfaces and high light transmissions
US7514523B2 · kind B2 · utility
3Cited by
17References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2006 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Nov 17, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31507
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition is disclosed having a matte surface and high optical transmission characteristics. The composition comprises a polycarbonate and refractive index compatible polymer particles such as crosslinked polystyrene. The polycarbonate composition is useful for manufacture of anti-glare lenses, ATM screens, decorative articles, and housings for electronic appliances such as a computer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.