Aqueous sulfopolyurea colloidal dispersions, films and abrasive articles
US6165239A · kind A · utility
7Cited by
52References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1997 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Jul 28, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to stable aqueous colloidal dipersions of sulfopolyureas and self supporting films formed from the dispersions which display good mechanical properties from about room temperature to temperatures exceeding 150.degree. C. The films of the invention, which are formed with no volatile organic compound (VOC) emissions and no post-coating chemical or ionic cross-linking, are not redispersible in water and may be used to form heat resistant abrasive articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.