Melamine methylol for abrasive products
US8979957B2 · kind B2 · utility
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15References
27Claims
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Key dates
| Filing date | Sep 19, 2008 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Sep 12, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An abrasive product includes a plurality of abrasive particles and a resin binder cured from a resin composition that includes an aqueous dispersion of melamine methylol having a melamine-to-formaldehyde molar equivalent ratio of between about 1:1 and about 1:3.2, wherein the aqueous dispersion has a pH in a range of between about 8 and about 10. The composition also includes a formaldehyde-based resins, such as a urea-formaldehyde resin or phenol-formaldehyde resin. The melamine methylol comprises between about 1 wt % and about 50 wt % of the combined weight of the formaldehyde-based resin and the melamine methylol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.