Resole resin system for pultrusion composites
US6265482A · kind A · utility
1Cited by
15References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 1998 |
| Grant date | Jul 24, 2001 |
| Priority date | — |
| Expiry date | Sep 22, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2061/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A pultrusion process employing a resole-resorcinol resin system, having a much improved pot life and much lower formaldehyde odor over similar existing systems where the resole contains up to 3.5%, preferably 3%, most preferably not more than about 1.5% free formaldehyde.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.