Adhesive in preparation of laminates
US4623592A · kind A · utility
16Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1980 |
| Grant date | Nov 18, 1986 |
| Priority date | — |
| Expiry date | Dec 5, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31601
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In the manufacture of a 2-ply sheet of the type which includes on one surface thereof a self-healing polymeric material and on the other surface an adhesive polymeric material capable of adhering at elevated temperatures to a glass or plastic surface, the improvement comprising forming said adhesive polymeric material from a blocked polyurethane or a water soluble or water dispersible polyurethane, and preferably from a polyurethane that has blocked NCO groups and is water soluble or water dispersible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.