Thixotropic polyurethane resin compositions
US4640950A · kind A · utility
11Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1985 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | Nov 12, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/36
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyurethane resin composition which comprises (1) a polyurethane prepolymer in the form of liquid or solution, (2) colloidal silica and (3) a siloxane compound having a polyoxyethylene chain in the molecule maintains an excellent thixotropy even after solvents and additives are added and kneaded as the case may be.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.