Color and heat stable polycarbonate compositions and methods of making
US9234096B2 · kind B2 · utility
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3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2011 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Feb 2, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided herein are branched polycarbonate resin compositions The compositions include a first heat stabilizer, a second heat stabilizer, a branched polycarbonate, a cyclic siloxane, and a flame retardant salt. The compositions withstand discoloration and increased melt viscosity when exposed to elevated temperatures. These compositions are useful in the manufacture of various shaped, formed and/or molded articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.