Aromatic polyester melt strength improver
US5268438A · kind A · utility
10Cited by
17References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 1991 |
| Grant date | Dec 7, 1993 |
| Priority date | — |
| Expiry date | Sep 6, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Melt strengths and melt viscosities of aromatic polyesters are increased substantially by the addition of small amounts of certain high molecular weight vinyl aromatic modifiers which disperse very readily in aromatic polyesters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.