Hydroxy-terminated aromatic oligomeric phosphate as additive flame retardant in polycarbonate resin composition
US5618867A · kind A · utility
4Cited by
13References
4Claims
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Key dates
| Filing date | Aug 3, 1995 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Aug 3, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/523
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present application relates to a flame retarded polycarbonate resin composition containing for flame retardancy a hydroxy-terminated aromatic oligomeric phosphate composition of the formula: ##STR1## where R is a hydrocarbyl group derived from an aliphatic or aromatic diol, Ar is an alkyl-substituted or unsubstituted phenyl group, n is from about 0 to about 10, and the phosphate composition contains a predominant amount of phosphate where n ranges from 0 to 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.