Polyester film, laminate including the film, and laminated assembly including the laminate and sealant layer
US9777110B2 · kind B2 · utility
1Cited by
1References
11Claims
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Key dates
| Filing date | Oct 16, 2013 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Dec 2, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/269
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A polyester film has a maximum surface height on a surface A side (SRmaxA) of 1500 nm to 7000 nm, a maximum surface height on a surface B side (SRmaxB) of 5 nm or more but less than 7000 nm, the SRmaxA and the SRmaxB satisfying the following relation (1), and a strength at break at 25° C. of 200 MPa to 330 MPa in both the longitudinal direction and the width direction.SRmaxA>SRmaxB (1)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.