Film structure
US5972496A · kind A · utility
20Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1997 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Apr 28, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A film structure comprises a first sealable skin layer (a) of an olefin co- or terpolymer having an external surface which contains a slip/antiblock system. The slip/antiblock system comprises non-migratory particulate crosslinked hydrocarbyl substituted polysiloxane and silica antiblock particles. Layer (a) is located on one side of a core olefinic polymer layer (b). On an opposite side of the core layer (b) there is a second skin layer (c) which is ethylene homopolymer and which is free of the slip/antiblock system, optionally the second skin layer (c) is metallized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.