Multicolor thermal recording material, and method for color formation of said multicolor thermal recording material
US-9387714-B2 · Jul 12, 2016 · US
Thermal transfer recording medium
US10913302B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10913302-B2 |
| Application number | US-201916597631-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 9, 2019 |
| Priority date | Apr 13, 2017 |
| Publication date | Feb 9, 2021 |
| Grant date | Feb 9, 2021 |
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- Title
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Abstract
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A thermal transfer recording medium comprises a heat-resistant lubricating layer laminated on a first surface of a substrate, and an undercoat layer and a dye layer laminated in this order on a second surface of the substrate. The dye layer contains, as binders, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer having a main chain comprising polycarbonate and a side chain comprising a vinyl-based polymer, and also contains Compounds I, II, and III as cyan dyes.
First claim
Opening claim text (preview).
What is claimed is: 1. A thermal transfer recording medium, comprising: a heat-resistant lubricating layer laminated on a first surface of a substrate, and an undercoat layer and a dye layer laminated in this order on a second surface of the substrate, wherein the dye layer contains, as binders, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer having a main chain comprising polycarbonate and a side chain comprising a vinyl-based polymer, and also contains, as cyan dyes, Compounds I, II, and III represented by the following chemical formulas: . 2. The thermal transfer recording medium of claim 1 , wherein the undercoat layer includes a copolymer of polyester and acrylic, and polyvinyl pyrrolidone, and the copolymer of polyester and acrylic is a copolymer of polyester having a sulfonic group, and acrylic having at least one of a glycidyl group and a carboxyl group.
Assignees
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Classifications
- B41M5/395Primary
Macromolecular additives, e.g. binders · CPC title
Storage stability; Improved self life · CPC title
- B41M5/385Primary
characterised by the transferable dyes or pigments {(infrared absorbing dyes B41M5/465)} · CPC title
characterised by the macromolecular compounds · CPC title
Backcoats; Back layers · CPC title
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- What does patent US10913302B2 cover?
- A thermal transfer recording medium comprises a heat-resistant lubricating layer laminated on a first surface of a substrate, and an undercoat layer and a dye layer laminated in this order on a second surface of the substrate. The dye layer contains, as binders, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer having a main chain comprising polycarbonate and a side chain compris…
- Who is the assignee on this patent?
- Toppan Printing Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B41M5/395. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 09 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).