Process for the production of wood materials having high resistance to hot water, said materials containing phenol-aldehyde resin and alkylene carbonate hardener
US3949149A · kind A · utility
7Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1974 |
| Grant date | Apr 6, 1976 |
| Priority date | — |
| Expiry date | Dec 19, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31989
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Wood materials are prepared, characterised by improved resistance to hot water and by high weather resistance, by combining wood products with a phenol-aldehyde resin and alkylene carbonate hardener, the latter being incorporated in said resin as an aqueous formaldehyde solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.