Polymeric films
US5306559A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 4, 1993 |
| Grant date | Apr 26, 1994 |
| Priority date | — |
| Expiry date | Jun 4, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Biaxially oriented polymeric film having a core layer comprising a propylene homopolymer; a first heat sealable layer on one surface of the core layer and including an ionic hydrocarbyl sulfonate and a non-silica, non-migratory slip and/or antiblock agent; and a second heat sealable layer on the other surface of the core layer and including a non-migratory slip and/or antiblock agent but substantially no ionic hydrocarbyl sulfonate have good antistatic properties combined with good slip/antiblock properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.