Thermoplastic ternary molding composition of polyurethane polyphosphonates and polycarbonate resins
US4350799A · kind A · utility
14Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1981 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Sep 16, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention is directed to a molding composition comprising an intimate, well dispersed blend of thermoplastic polyurethane, thermoplastic polyphosphonate and thermoplastic polycarbonate which composition is characterized by an improved level of flame resistance. A process for the preparation of said composition is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.