Method of improving the adhesion of a heat activatable polyurethane adhesive to a vinyl substrate
US4175161A · kind A · utility
8Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1978 |
| Grant date | Nov 20, 1979 |
| Priority date | — |
| Expiry date | Apr 27, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The adhesion of a heat activatable polyurethane adhesive to a vinyl substrate is improved by admixing the adhesive with an N-substituted-2-pyrrolidone and/or an ethoxylated alkyl phenol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.