Process for preparing graft polymer dispersions and polyurethanes prepared therefrom
US4359571A · kind A · utility
5Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1981 |
| Grant date | Nov 16, 1982 |
| Priority date | — |
| Expiry date | Sep 2, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/63
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of stable graft polymer dispersions having improved dispersibility by a free radical polymerization of an ethylenically unsaturated monomer under conditions of no-reflux or alternatively under conditions that do not return the evaporated monomer to the dispersion. Polyurethane foams may be prepared from these polymer dispersions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.