EP0351075A2
Expired / Lapsed
EP
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Receiver sheet
Assignee: Imperial Chemical Industries Ltd
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Filing: 1989-06-21
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Granted: —
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Expires: 2009-06-21
Abstract
Abstract A TTP receiver sheet having a backing layer comprising a polymeric resin binder and a non-film forming inert particulate material of mean particle size from 5 to 250 nm.
Inventors
- 👤 Charles Richard Hart
- 👤 John Francis
- 👤 Mark David Howard Jefferson
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 16:47
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/42; B41M5/426; B41M5/44; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/257; Y10T428/258; Y10T428/259; Y10T428/31504; Y10T428/31786; Y10T428/31855
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
79 words
A thermal transfer printing receiver sheet for use in association with a compatible donor sheet, the receiver sheet comprising a supporting substrate having, on a first surface thereof, a dye-receptive receiving layer to receive a dye thermally transferred from the donor sheet, characterised in that the receiver sheet comprises, on a second surface of said substrate, a backing layer comprising a polymeric resin binder and a non-film-forming inert particulate material of mean particle size from 5 to 250 nm.
Claim 2
Dependent Claim
79 words
A thermal transfer printing receiver sheet for use in association with a compatible donor sheet, the receiver sheet comprising a supporting substrate having, on a first surface thereof, a dye-receptive receiving layer to receive a dye thermally transferred from the donor sheet, characterised in that the receiver sheet comprises, on a second surface of said substrate, a backing layer comprising a polymeric resin binder and a non-film-forming inert particulate material of mean particle size from 5 to 250 nm.
Claim 3
Dependent Claim
22 words
A receiver sheet according to claim 1 wherein the mean particle size of the particulate material is from 5 to 150 nm.
Claim 4
Dependent Claim
40 words
A receiver sheet according to either of claims 1 and 2 wherein the particulate material comprises a mixture of small particles, of mean diameter from 5 to 50 nm, and large particles, of mean diameter from 70 to 150 nm.
Claim 5
Dependent Claim
20 words
A receiver sheet according to any one of the preceding claims wherein the particulate material comprises colloidal silica and/or alumina.
Claim 6
Dependent Claim
20 words
A receiver sheet according to any one of the preceding claims wherein the resin binder comprises a thermosetting acrylic resin.
Claim 7
Dependent Claim
32 words
A receiver sheet according to any one of the preceding claims wherein the substrate contains an effective amount of a voiding agent comprising an incompatible resin filler or a particulate inorganic filler.
Claim 8
Dependent Claim
13 words
A receiver sheet according to claim 6 wherein the filler comprises barium sulphate.
Claim 9
Dependent Claim
20 words
A receiver sheet according to any one of the preceding claims wherein the substrate comprises an oriented thermoplastics polymeric film.
Claim 10
Dependent Claim
18 words
A receiver sheet according to any one of the preceding claims wherein the dye-receptive polymer comprises a copolyester.
Claim 11
Dependent Claim
30 words
A receiver sheet according to any one of the preceding claims comprising a release layer on at least part of the surface of the receiving layer remote from the substrate.
Claim 12
Dependent Claim
16 words
A receiver sheet according to any one of the preceding claims additionally comprising an antistatic layer.
Claim 13
Dependent Claim
46 words
A receiver sheet according to claim 11 wherein the antistatic layer comprises (a) a polychlorohydrin ether of an ethoxylated hydroxyamine and (b) a polyglycol diamine, the total alkali metal content of components (a) and (b) not exceeding 0.5% of the combined weight of (a) and (b).
Claim 14
Independent Claim
73 words
A method of producing a thermal transfer printing receiver sheet for use in association with a compatible donor sheet, comprising forming a supporting substrate having, on a first surface thereof, a dye-receptive receiving layer to receive a dye thermally transferred from the donor sheet and, on a second surface thereof, a backing layer comprising a polymeric resin binder and a non-film-forming inert particulate material of mean particle size from 5 to 250 nm.
Claim 15
Independent Claim
73 words
A method of producing a thermal transfer printing receiver sheet for use in association with a compatible donor sheet, comprising forming a supporting substrate having, on a first surface thereof, a dye-receptive receiving layer to receive a dye thermally transferred from the donor sheet and, on a second surface thereof, a backing layer comprising a polymeric resin binder and a non-film-forming inert particulate material of mean particle size from 5 to 250 nm.
References Cited (Backward Citations)
No citation records indexed.
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