Flame-retarded foamed plastic compositions and shaped articles
US8668850B2 · kind B2 · utility
2Cited by
1References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2006 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | Jul 29, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2325/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A flame retarded foamed plastic composition comprises a polystyrene type resin; a brominated flame retardant having a Br content greater than 60% by weight and a 5 wt % loss temperature of 190-320° C.; a hindered amine of 4-hydroxy-2,2,6,6-tetramethylpiperidine carboxylate series, and a blowing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.