Polyurethane-poly (vinylchloride) interpenetrating network
US5091455A · kind A · utility
22Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1990 |
| Grant date | Feb 25, 1992 |
| Priority date | — |
| Expiry date | Jul 10, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/903
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Interpenetrating network polymers (IPN's) are made by admixing polyols, polyisocyanate, and a poly(vinylchloride) plastisol, followed by heating to complete the cure. The resulting polyurethane/poly(vinylchloride) IPN has superior properties as sealant, especially for automotive parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.