Laminates for decorative sheets, decorative sheets, decorative transfer sheets, and decorative articles

JP7848578B2Active Publication Date: 2026-04-21DAI NIPPON PRINTING CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
DAI NIPPON PRINTING CO LTD
Filing Date
2022-04-28
Publication Date
2026-04-21

AI Technical Summary

Benefits of technology

【0018】 本開示は、高い意匠性および触感を有する加飾シートまたは加飾物品をオンデマンドで製造することが可能な加飾シート用積層体および加飾用転写シートを提供できるという効果を奏する。

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Abstract

To provide a laminate for decorative sheets, which is capable of producing a decorative sheet or decorative article having a high design property and tactile on demand, and a decorative transfer sheet.SOLUTION: There is provided a laminate for decorative sheets comprising a base material layer 1, a foaming resin layer 2, a patterned foam suppression layer 3 and an image layer 4 having a thermal transfer image in this order, and the foam suppression layer has melting property, or the foam suppression layer contains a foaming suppressing agent having sublimation property.SELECTED DRAWING: Figure 1
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Claims

1. A laminate for decorative sheets used in decorative sheets used in primary decoration or overlay molding, It comprises, in this order, a base layer, a foaming resin layer, a patterned foaming suppression layer, and an image layer having a heat-transfer image. A laminate for decorative sheets, wherein the foam-suppressing layer contains a foam-suppressing agent that is molten or sublimable.

2. The material comprises, in this order, a base layer, a foaming resin layer, a patterned foaming suppression layer, and an image layer having a heat transfer image. A laminate for decorative sheets, wherein the foam-suppressing layer contains a sublimable foam inhibitor, and the foam-suppressing layer is disposed inside the foamable resin layer.

3. The laminate for decorative sheets according to claim 1 or claim 2, wherein the image layer has a protective layer on the side opposite to the foam suppression layer.

4. The laminate for decorative sheets according to claim 1 or claim 2, wherein the substrate layer has an adhesive layer on the side opposite to the foamed resin layer.

5. The laminate for decorative sheets according to claim 1 or claim 2, wherein the elongation rate of the base layer at 130°C is 200% or more.

6. A decorative sheet used for primary decoration or overlay molding, It comprises, in this order, a base layer, a foam layer, a patterned foam suppression layer, and an image layer having a thermal transfer image. The surface on the image layer side has an uneven shape, A decorative sheet comprising a foam-suppressing layer having meltability, or containing a foam-suppressing agent having sublimability.

7. A substrate layer, a foamed layer, a patterned foam suppression layer, and an image layer having a thermal transfer image are provided in this order. The surface on the image layer side has an uneven shape, A decorative sheet in which the foam-suppressing layer contains a sublimable foam-suppressing agent, and the foam-suppressing layer is disposed inside the foam layer.

8. The decorative sheet according to claim 6 or 7, wherein the image layer has a protective layer on the side opposite to the foam suppression layer.

9. The decorative sheet according to claim 6 or 7, wherein the base layer has an adhesive layer on the side opposite to the foamed resin layer.

10. The decorative sheet according to claim 6 or claim 7, wherein the elongation rate of the base layer at 130°C is 200% or more.

11. A decorative transfer sheet having a release support and a transfer layer, The transfer layer comprises, in order from the peelable support side, an image layer having a thermal transfer image and a patterned foam suppression layer. A decorative transfer sheet having a foam-suppressing layer that is molten.

12. The decorative transfer sheet according to claim 11, used for primary decoration or overlay molding.

13. The peelable support has a sublimation prevention layer on the side opposite to the image layer, A release layer is provided between the peelable support and the image layer, The decorative transfer sheet according to claim 11, wherein the boiling point or sublimation point of the foaming inhibitor contained in the foaming inhibitor layer is higher than the melting start temperature of the foaming inhibitor layer.

14. The decorative transfer sheet according to any one of claims 11 to 13, wherein the transfer layer has a protective layer between the peelable support and the image layer.

15. The decorative transfer sheet according to any one of claims 11 to 13, wherein the peelable support has an antistatic layer on the side opposite to the image layer.

16. The decorative transfer sheet according to any one of claims 11 to 13, wherein the elongation rate of the releaseable support at 130°C is 200% or more.

17. A decorative article comprising, in this order, an object to be decorated, an adhesive layer, and a laminated sheet, wherein the surface of the laminated sheet has an uneven shape, The laminated sheet comprises, in order from the adhesive layer side, a base layer, a foamed layer, a patterned foam suppression layer, and an image layer having a thermal transfer image. The foam-suppressing layer contains a foam-suppressing agent that is molten or sublimable, A decorated article, wherein the decorated article is manufactured by primary decoration or overlay molding.

18. A decorative article comprising, in this order, an object to be decorated, an adhesive layer, and a laminated sheet, wherein the surface of the laminated sheet has an uneven shape, The laminated sheet comprises, in order from the adhesive layer side, a base layer, a foamed layer, a patterned foam suppression layer, and an image layer having a thermal transfer image. A decorative article wherein the foam-suppressing layer contains a sublimable foam-suppressing agent, and the foam-suppressing layer is disposed inside the foam layer.

19. A decorative article comprising, in this order, an object to be decorated, an adhesive layer, and a laminated sheet, wherein the surface of the laminated sheet has an uneven shape, The laminated sheet comprises, in order from the adhesive layer side, a base layer, a foamed layer, a patterned foam suppression layer, and an image layer having a thermal transfer image. The foam-suppressing layer contains a foam-suppressing agent that is molten or sublimable, The aforementioned image layer is a receptor layer having a thermal transfer image containing a sublimable dye, A decorated article in which the foam-suppressing layer and the image layer overlap in a plan view.

20. A decorative article comprising, in this order, an object to be decorated, a foam layer, and a laminated sheet, wherein the surface of the laminated sheet has an uneven shape, The laminated sheet comprises, in order from the foamed layer side, a patterned foam suppression layer and an image layer having a thermal transfer image. The foam suppression layer has meltability, A decorated article, wherein the decorated article is manufactured by primary decoration or overlay molding.

21. A decorative article comprising, in this order, an object to be decorated, a foam layer, and a laminated sheet, wherein the surface of the laminated sheet has an uneven shape, The laminated sheet comprises, in order from the foamed layer side, a patterned foam suppression layer and an image layer having a thermal transfer image. The foam suppression layer has meltability, The aforementioned image layer is a receptor layer having a thermal transfer image containing a sublimable dye, A decorated article in which the foam-suppressing layer and the image layer overlap in a plan view.

22. The decorative article according to any one of claims 17 to 21, wherein the image layer has a protective layer on the side opposite to the foam suppression layer.

Citation Information

Patent Citations

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