Polyester-polycarbonate compositions with favorable melt viscosity properties
US4788251A · kind A · utility
22Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1987 |
| Grant date | Nov 29, 1988 |
| Priority date | — |
| Expiry date | Aug 11, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/902
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyester-polycarbonate blends having increased melt viscosity, and useful in such applications as blow molding, profile extrusion and thermoforming, are prepared by incorporating at least one poly(O- or N-epoxyalkyl-substituted) cyclic amide, imide or imidate, preferably triglycidyl isocyanurate. They may also contain impact modifying polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.