Decorative sheet and process for preparation thereof
AssigneeDai Nippon Insatsu Kabushiki Kaisha
InventorsMasaki Tsukada, Osamu Takeko, Yoshiharu Horie, Tomio Doi, Norinaga Nakamura, Kenshi Shimizu
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Abstract
A decorative sheet having a first substrate sheet 11 formed of a transparent plastic material, in one or both of the surfaces of which all or a part of a pattern-printed layer 2 is embedded, a laminated sheet formed by laminating a second substrate sheet 12 formed of a transparent plastic material on one surface of the abovementioned sheet, or a laminated sheet formed by laminating a third substrate sheet, 13 formed of a plastic material having a concealing effect on the above-mentioned sheet or laminated sheet. This decorative sheet has an excellent three-dimensional effect.
Claims4
A process for the preparation of a decorative sheet, which comprises the following steps:
- 1) performing buildup printing of at least one surface of a first substrate sheet with an ink comprising an ionizing radiation-curable resin or its mixture with an ionizing radiation-uncurable resin as the vehicle to form a pattern-printed layer;
- 2) semi-curing the pattern-printed layer by irradiation with an ionizing radiation;
- 3) coating an ionizing radiation-uncurable resin or its mixture with an ionizing radiation-curable resin on the semi-cured pattern-printed layer to form a primer layer;
- 4) irradiating the assembly with an ionizing radiation again to cure completely the pattern-printed layer;
- and
- 5) piling a second substrate sheet and/or a third substrate sheet on the first substrate sheet and compressing or heat-compressing the assembly to embed the pattern-printed layer in at least one of the substrate sheets.
A process for the preparation of a decorative sheet, which comprises the following steps:
- 1) performing buildup printing of at least one surface of a first substrate sheet with an ink comprising an ionizing radiation-curable resin or its mixture with an ionizing radiation-uncurable resin as the vehicle to form a pattern-printed layer;
- 2) semi-curing the pattern-printed layer by irradiation with an ionizing radiation;
- 3) coating an ionizing radiation-uncurable resin or its mixture with an ionizing radiation-curable resin on the semi-cured pattern-printed layer to form a primer layer;
- 4) irradiating the assembly with an ionizing radiation again to cure completely the pattern-printed layer;
- and
- 5) piling a second substrate sheet on the printed surface of the first substrate sheet and heat-compressing the assembly to effect lamination so that the pattern-printed layer is embedded.
Dependencies are inferred from the claim text.