Flame retardant thermoplastic resin composition
US6630524B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2000 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Apr 26, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L51/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention related to thermoplastic compositions comprising (A) thermoplastic polycarbonate; (B) a graft polymerisation product of(B-1) a mixture of(B-1.1) styrene, &agr;-methylstyrene, halogen or methyl ring-substituted styrene, C1-C8 alkyl methacrylates, or C1-C8 alkyl acrylate and(B-1.2) acrylonitrile, methacrylonitrile, C1-C8 alkyl methacrylates, C1-C8 alkyl acrylate, maleic anhydride, C1-C4 alkyl or phenyl N-substituted maleimides grafted on (B-2) a polymer with a glass transition temperature of below −10° C.(C) vinyl copolymer prepared from(C-1) styrene, &agr;-methylstyrene, ring-substituted styrenes, C1-C8 alkyl methacrylates, or C1-C8 alkyl acrylate and (C-2) acrylonitrile, methacrylonitrile, C1-C8 alkyl methacrylates, C1-C8 alkyl acrylates, maleic anhydride, or phenyl N-substituted maleimides,(D) a mixture of(D-1) phosphagen compound having formula (I—I) and/or phosphagen compound having formula (I-2) (D-2) phosphate ester and(E) fluorinated polyolefin
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.