Thermosetting binder prepared with mono(hydroxyalkyl)urea and oxazolidone crosslinking agents
US6140388A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1998 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Nov 23, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2443
- 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 comprising at least two functional groups selected from the group consisting of carboxyl and anhydride, and a crosslinking agent which is selected from the group consisting of a mono(hydroxyalkyl)urea comprising a single urea group, a single hydroxyl group, and at least two carbon atoms disposed between the urea group and the hydroxyl group, and 2-oxazolidone. The abrasive articles comprise bonded, nonwoven or coated abrasive articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.