Non-halogenated flame retardant polycarbonate compounds
US9732218B2 · kind B2 · utility
1Cited by
12References
13Claims
0Family size
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Key dates
| Filing date | Jul 12, 2012 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Sep 27, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K21/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A flame retardant polycarbonate compound is disclosed. The compound comprises a polycarbonate and non-halogenated polyphosphazene as a flame retardant, along with talc, polytetrafluoroethylene, and optionally, a potassium salt of perfluorobutane sulfonic acid. The compound can achieve a UL 94 rating of V-0 at two different thicknesses of less than 1 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.