Laminated film
US11358374B2 · kind B2 · utility
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Key dates
| Filing date | Oct 29, 2018 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Jun 27, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2433/006
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A laminated film exhibits a certain adhesive property to various adherends having shapes or different irregularity shapes. The laminated film includes a resin layer A on one surface of a substrate and a resin layer B on the other surface. The resin layer A has a ten-point average surface roughness Rz(a) of 1.5 μm or more and 5.0 μm or less and a storage elastic modulus G′ at 25° C. and 1 Hz of 3.0×105 Pa or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.