Compositions and articles of manufacture containing branched polycarbonate
US8461249B2 · kind B2 · utility
2Cited by
4References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2010 |
| Grant date | Jun 11, 2013 |
| Priority date | — |
| Expiry date | May 10, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polycarbonate containing composition comprising a peak melt viscosity of at least 8,000 poise when measured using a parallel plate melt rheology test at a heating rate of 10° C./min at a temperature of between about 350° C. to about 450° C., and wherein a molded article of the composition has a UL 94 VO rating at a thickness of 1.0 mm, 1.5 mm, 2.0 mm, or between 1.0 mm and 2.0 mm is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.