Adhesives
US4983435A · kind A · utility
13Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1988 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Oct 31, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
As an adhesive used between a polypropylene layer and an ethylene/vinyl alcohol copolymer layer, there is provided an adhesive composition that comprises 98.9 to 59.9% by weight of a modified polypropylene (A) partly or fully grafted with an unsaturated carboxylic acid or its derivative, 1.0 to 40% by weight of an ethylene/.alpha.-olefin copolymer (B) having a density of 0.915 to 0.940 g/cc, and a melting point of 115.degree. to 130.degree. C., and 0.1% by weight or more but less than 3% by weight of a hydrocarbon type synthetic elastomer (C).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.