Phenol resin powder, method for producing the same, and phenol resin powder dispersion liquid
US8362187B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2007 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | May 20, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a thermofusible and thermosetting phenol resin powder having an average particle diameter of not more than 20 μm and a single particle ratio of not less than 0.7. This phenol resin powder preferably has an average particle diameter of not more than 10 μm, a variation coefficient of the particle size distribution of not more than 0.65, a particle sphericity of not less than 0.5 and a free phenol content of not more than 1000 ppm. Also disclosed are a dispersion liquid of such a phenol resin powder, and a method for producing a phenol resin powder having such characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.