Functionalized crystalline polyactones as toughners for thermosetting resins
US5780580A · kind A · utility
7Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1997 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Aug 15, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A crystalline polylactone is produced having reactive acrylate end groups. When incorporated into a thermosetting resin which includes reactive C.dbd.CH.sub.2 sites, the present functionalized polylactone acts as a toughener, greatly increasing the impact resistance of the final cured product. Also disclosed are carboxyl-bearing polylactones as tougheners for epoxy resin systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.