Decorative sheet, and decorative plate
US12257810B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2021 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Aug 16, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K9/06
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Specifically, the present invention provides a decorative sheet comprising a laminate, the laminate comprising at least a base material sheet and a first surface-protecting layer in sequence in the thickness direction; (1) the first surface-protecting layer comprising an ionizing radiation-curable resin containing two kinds of aliphatic urethane acrylates, i.e., resin A and resin B, wherein resin A is an aliphatic urethane acrylate with an isocyanurate skeleton, and resin B is an aliphatic urethane acrylate with an alicyclic skeleton without an isocyanurate skeleton, (2) the first surface-protecting layer having a nanoindentation hardness of 160 MPa or more and 240 MPa or less, and (3) the base material sheet comprising a polyolefin resin and having a nanoindentation hardness of 30 MPa or more and 80 MPa or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.