Thermoplastic polycarbonate composition having improved oxygen barrier properties from diester diol
US5110897A · kind A · utility
1Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 1990 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | May 9, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/685
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
High molecular weight, thermoplastic aromatic polycarbonate compositions exhibiting improved oxygen barrier properties are provided which comprise structural units derived from a diester bisphenol or a cyano-substituted bisphenol, or an aromatic dihydric phenol in admixture with either of the foregoing bisphenol compounds. Novel cyano-substituted bisphenol monomers are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.