Claims
- 1. A method of making a multicolored reproduction consisting essentially of exposing a single photopolymerizable layer comprising a mixture of at least one macromolecular binder with pendant acid groups and a first preselected color on a support sheet to light through a color separation negative for said first color, treating the exposed layer with a developing solution and removing the non-light-struck, non-image areas of said layer while leaving said light-struck image areas of said layer on said support sheet,
- transferring said image areas by contacting said image areas on said support sheet with a receptor sheet, one of said support sheet with image areas thereon or said receptor sheet having a layer of transparent to slightly translucent hot melt adhesive thereon comprising an acrylic polymer or copolymer,
- said transfer being effected at a temperature sufficient to soften said adhesive and said image areas, and under a pressure sufficient to adhere said image areas to said receptor sheet,
- removing said support sheet,
- and repeating the steps at least once of exposing a single photopolymerizable layer, of one other preselected color, treating said layer with a developing solution, and transferring said image areas of said layer to said receptor sheet without additional adhesive to superimpose the image areas of said other color directly onto said receptor sheet carrying said image areas of said layer of said first color.
- 2. A method in accordance with claim 1 wherein the photopolymerizable layers contain: (a) at least one multi-functional, unsaturated compound capable of forming a polymer by addition polymerization; and (b) an addition polymerization initiator activated by radiation.
- 3. A method in accordance with claim 2 wherein the photopolymerizable layers additionally contain a hydrogen donor.
- 4. A method in accordance with claim 1 wherein the photopolymerizable layers are colored with a pigment.
- 5. A method in accordance with claim 1 wherein the photopolymerizable layers are colored with a dye.
- 6. A method in accordance with claim 1 wherein the receptor sheet is paper.
- 7. A method in accordance with claim 1 wherein the receptor sheet is a plastic.
- 8. A method in accordance with claim 1 wherein the receptor sheet is a plastic-paper laminate.
- 9. A method in accordance with claim 1 wherein the receptor sheet is a metal foil.
- 10. A method in accordance with claim 1 wherein the receptor sheet is coated with a single layer of the adhesive prior to contact with the image areas of the layer of the first color only.
- 11. A method in accordance with claim 1 wherein the side of the support sheet carrying the light-struck, image areas of the layer of the first color only is coated with a single layer of the adhesive prior to contact with the receptor sheet.
- 12. A method in accordance with claim 1 wherein each of the photopolymerizable layers is overcoated with a single, oxygen barrier layer soluble in the developing solution.
- 13. A method in accordance with claim 12 wherein the oxygen barrier layer is polyvinyl alcohol.
Parent Case Info
This application is a continuation-in-part of application Ser. No. 619,285, filed Oct. 3, 1975, now abandoned, in turn a continuation of application Ser. No. 474,249, filed May 29, 1974, and now abandoned.
US Referenced Citations (7)
Continuations (1)
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Number |
Date |
Country |
Parent |
474249 |
May 1974 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
619285 |
Oct 1975 |
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