Methods and adhesives for bonding polyolefin film
US5091239A · kind A · utility
41Cited by
16References
60Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1990 |
| Grant date | Feb 25, 1992 |
| Priority date | — |
| Expiry date | Mar 7, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for wrapping a label about a container by employing a solvent activated adhesive composition. The method includes either a shrink wrap method, a mandrel wrapping method or a method employing a preformed roll of flat seamed tubular film. The roll of flat seamed tubular film is bonded at its seam by solvent activated adhesive. A roll for any of these methods with such adhesive, and a container covered by a film which includes strips of such adhesive is provided. A preferred adhesive comprises thermoplastic polyurethane with or without suitable additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.