Particulate resoles with improved cure rate and sinter resistance
US4366303A · kind A · utility
18Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 11, 1981 |
| Grant date | Dec 28, 1982 |
| Priority date | — |
| Expiry date | Dec 11, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3196
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Particulate resoles are produced by mixing phenol, formaldehyde and amine in an aqueous medium containing a protective colloid. The resoles exhibit improved cure rate and sinter resistance when an alkaline compound is added to the reaction mixture after particulate formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.