EP0368320A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Heat transfer image-receiving sheet
Assignee: Dai Nippon Printing Co Ltd
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Filing: 1989-11-09
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Granted: —
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Expires: 2009-11-09
Abstract
Abstract A heat transfer image-receiving sheet having a dye receiving layer provided on the surface of a substrate sheet, said dye receiving layer comprising a graft copolymer having at least one releasing segment selected from the group consisting of polysiloxane segments, fluorinated carbon segments and long chain alkyl segments graft bonded to the main chain in the graft copolynmer.
Inventors
- 👤 Noritake Dai Nippon Insatsu K.K. Egashira
- 👤 Yoshinori Dai Nippon Insatsu K.K. Nakamura
- 👤 Kenichiro Dai Nippon Insatsu K.K. Suto
- 👤 Masaki Dai Nippon Insatsu K.K. Kutsukake
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 13:19
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/529; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31551; Y10T428/31652; Y10T428/31663; Y10T428/31725; Y10T428/31786; Y10T428/31855
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
58 words
A heat transfer image-receiving sheet having a dye receiving layer provided on the surface of a substrate sheet, said dye receiving layer comprising a graft copolymer having at least one releasing segment selected from the group consisting of polysiloxane segments, fluorinated carbon segments and long chain alkyl segments graft bonded to the main chain in the graft copolymer.
Claim 2
Dependent Claim
58 words
A heat transfer image-receiving sheet having a dye receiving layer provided on the surface of a substrate sheet, said dye receiving layer comprising a graft copolymer having at least one releasing segment selected from the group consisting of polysiloxane segments, fluorinated carbon segments and long chain alkyl segments graft bonded to the main chain in the graft copolymer.
Claim 3
Dependent Claim
27 words
A heat transfer image-receiving sheet according to claim 1, wherein the main chain of said graft copolymer is an acrylic, vinyl, polyester, polyurethane, polyamide or cellulose polymer.
Claim 4
Dependent Claim
22 words
A heat transfer image-receiving sheet according to claim 1, wherein the content of the releasing segment is 3 to 60% by weight.
Claim 5
Dependent Claim
25 words
A heat transfer image-receiving sheet according to claim 1, wherein the dye receiving layer further contains other dye dyeable resin and/or silicone type release agent.
Claim 6
Dependent Claim
39 words
A heat transfer image-receiving sheet according to claim 4, wherein the amount of the silicone type release agent is 1 to 20 parts by weight per 100 parts by weight of the total resin forming the dye receiving layer.
Claim 7
Dependent Claim
19 words
A heat transfer image-receiving sheet according to claim 1, wherein said graft copolymer comprises an acryl urethane silicone resin.
Claim 8
Dependent Claim
32 words
A heat transfer image-receiving sheet according to claim 6, wherein the weight ratio of acryl segment:urethane segment:silicone segment of the acryl urethane silicone resin is 10 to 80:10 to 80:10 to 50.
Claim 9
Dependent Claim
20 words
A heat transfer image-receiving sheet according to claim 1, wherein the acryl urethane silicone resin is cured by a catalyst.
Claim 10
Dependent Claim
38 words
A heat transfer image-receiving sheet according to claim 1, wherein the main chain of said graft copolymer comprises a copolymer of vinyl chloride, a (meth)acrylic acid type monomer and a polymer having vinyl group at a terminal end.
Claim 11
Dependent Claim
36 words
A heat transfer image-receiving sheet according to claim 9, wherein the copolymerization ratio (weight) of the main chain of said graft copolymer is as shown below: vinyl chloride/(meth)acrylic acid type monomer/polymer having vinyl group = 30-90/5-60/3-20.
Claim 12
Dependent Claim
24 words
A heat transfer image-receiving sheet according to claim 1, wherein an adhesion improving layer is provided between the dye receiving layer and the substrate.
Claim 13
Dependent Claim
37 words
A heat transfer image-receiving sheet according to claim 1, wherein the dye receiving layer comprises a first receiving layer containing no releasing segment and a second receiving layer containing releasing segment provided as the upper layer thereon.
References Cited (Backward Citations)
No citation records indexed.
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