Alkenyl aromatic polymer foam laminates
US6358599B1 · kind B1 · utility
35Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2000 |
| Grant date | Mar 19, 2002 |
| Priority date | — |
| Expiry date | Apr 28, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249993
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Adhere a polymer blend facer to at least one, preferably both, primary surfaces of a foam panel or board to provide a laminate with a combination of enhanced strength and resistance to bending relative to the foam panel. The polymer blend facer, prepared from a combination of an alkenyl aromatic polymer and an interpolymer of ethylene, an alkenyl aromatic monomer or hindered aliphatic or cycloaliphatic vinylidene monomer, provides an added benefit in terms of greater recyclability into a foam panel relative to biaxially oriented polypropylene. The polymer blend facer may be a film or a thin foam sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.