Flame retardant polycarbonate composition having improved impact strength
US5120778A · kind A · utility
6Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1991 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Apr 30, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3417
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic molding composition is disclosed which contains a homogeneous blend of a polycarbonate resin, a graft-modified olefin rubber and, a particular flame retardant package containing a salt, halogenated phthalimine, polytetrafluoroethylene and an oligomeric carbonate. The composition was found to be suitable for preparing molded articles having an excellent level of flame resistance and impact properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.