Flame retardant thermoplastic resin composition
US8119726B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2004 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Jun 2, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L51/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The flame retardant thermoplastic resin composition according to the present invention comprises (A) about 45 to 95 parts by weight of a polycarbonate resin; (B) about 1 to 50 parts by weight of a rubber modified vinyl graft copolymer; (C) about 0 to 50 parts by weight of a vinyl copolymer; (D) about 1 to 30 parts by weight of a mixture of oligomeric phosphoric acid ester compounds consisting of (d1) about 5 to 99% by weight of an oligomeric phosphoric acid ester compound derived from bisphenol-A and (d2) about 1 to 95% by weight of an oligomeric phosphoric acid ester compound derived from resorcinol, per 100 parts by weight of the sum of (A), (B) and (C); and (E) about 0.05˜5 parts by weight of a fluorinated polyolefin resin, per 100 parts by weight of the sum of (A), (B) and (C).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.