Aqueous dispersions
US5128406A · kind A · utility
3Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1991 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Jun 24, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/916
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A nonionic dispersing agent suitable for use in the production of aqueous polyurethane dispersions, said agent having the formula: ##STR1## wherein R.sup.1 represents a monovalent hydrocarbon radical containing 1-12 carbon atoms; PA1 R.sup.2 represents hydrogen or a mixture thereof with methyl and/or ethyl, at least 40% of the R.sup.2 substituents in said mixture being hydrogen; PA1 R.sup.3 represents an isocyanate-reactive organic radical; PA1 R.sup.4 represents H or an isocyanate-reactive organic radical; PA1 Z represents an alkylene radical containing 2-4 carbon atoms; PA1 m is an integer from 5 to 150, and PA1 n is 0 or 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.