Thermosetting binder prepared with (hydroxyalkyl)urea crosslinking agent for abrasive articles
US6051646A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1998 |
| Grant date | Apr 18, 2000 |
| Priority date | — |
| Expiry date | Oct 28, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31794
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Abrasive articles comprising a cured thermosetting binder and abrasive grains. The binder is prepared with a poly-functional molecule which contains at least two functional groups selected from the group consisting of carboxyl, anhydride and amine, and a (hydroxyalkyl)urea crosslinking agent containing a single urea group, at least two hydroxyl groups, and have at least two carbon atoms disposed between the urea group and each of the hydroxyl groups. The abrasive articles comprise bonded, nonwoven or coated abrasive articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.