Aromatic sulfonic acid oxa-azacyclopentane adducts
US4251665A · kind A · utility
61Cited by
19References
9Claims
0Family size
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Key dates
| Filing date | Oct 5, 1979 |
| Grant date | Feb 17, 1981 |
| Priority date | — |
| Expiry date | Oct 5, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Amino resins, e.g., urea-formaldehyde and melamine-formaldehyde thermosetting resin systems, are cured with thermally-decomposable adducts of aromatic sulfonic acids and oxa-azacyclopentanes. The resin products cured with these adducts provide surface coatings having superior water resistance properties. The cured compositions can include other conventional ingredients capable of co-reacting with the amino resins, such as polyols, polyacids, alkyd resins, polyester resins, epoxies, acrylics and the like, to provide compositions curable to products having a wide range of properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.