Multilayer marking film and manufacturing method for multilayer marking film
US11142670B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2017 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Jul 14, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2475/006
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An exemplary embodiment of the present invention provides a multilayer marking film including: an adhesive layer; a colored base layer having a first color; and a colored coating layer having a second color, in which the first color and the second color are different from each other, the colored coating layer, the colored base layer, and the adhesive layer are sequentially provided, the colored base layer includes a cured material of a base composition including: a urethane (meth)acrylate oligomer; a (meth)acrylate monomer including one or more selected from the group consisting of a cyclo-aliphatic (meth)acrylate monomer, an epoxy-based (meth)acrylate monomer, an aliphatic (meth)acrylate monomer, and a polyol-based (meth)acrylate monomer; and a pigment, and the colored coating layer is etched by laser irradiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.