Laminated composite of a rigid polyisocyanurate substrate and metal, plastic, cellulose, glass, ceramic or combinations thereof
US4879164A · kind A · utility
6Cited by
9References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1988 |
| Grant date | Nov 7, 1989 |
| Priority date | — |
| Expiry date | Apr 25, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/647
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Laminated composites including methods for the preparation thereof comprising forming in combination in a mold at least one layer of a rigid polyisocyanurate by reacting in said mold a reaction mixture of an organic di- or polyisocyanate and a cyclic alkylene carbonate in the presence of a soluble adduct amine-carbonate catalyst, and at least one layer of material selected from metal, plastic, cellulose, glass and ceramic or combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.