Kit for making relief images
A kit for making a relief image that includes a film made of an infrared-imageable material and a separate imageable article comprising a photosensitive material disposed on a substrate. The film may be used to form a mask image that is opaque to a curing radiation by exposing the infrared-imageable material to infrared radiation. The mask image may then be transferred to the photosensitive material. The resulting assembly may be exposed to the curing radiation resulting in exposed and unexposed areas of the photosensitive material. Finally, the photosensitive material and mask image may be developed with a suitable developer to form a relief image.
1 . A kit containing at least two separate components for making a relief image, the kit comprising:
a film comprising an imageable material disposed on a carrier sheet; and
a separate imageable article comprising a photosensitive material disposed on a substrate.
2 . The kit of claim 1 wherein the film further comprises a release layer disposed between the carrier sheet and the imageable material.
3 . The kit of claim 1 wherein the release layer comprises polyvinyl alcohol, hydrolyzed styrene maleic anhydride, or methyl cellulose.
4 . The kit of claim 1 wherein the imageable material is more adhesive to the photosensitive material than to the carrier sheet.
5 . The kit of claim 1 wherein the imageable material is an infrared-imageable material further comprising an infrared absorber and the carrier sheet is substantially transparent to infrared radiation.
6 . The kit of claim 1 wherein the film further comprises a barrier layer disposed between the carrier sheet and the infrared-imageable material.
7 . The kit of claim 6 wherein the barrier layer comprises poly(alkyl cyanoacrylate) or nitrocellulose.
8 . The kit of claim 1 wherein the imageable material further comprises an ultraviolet absorber.
9 . The kit of claim 1 wherein the imageable material further comprises a colorant that strongly absorbs a curing radiation.
10 . The kit of claim 1 wherein the imageable material comprises a colorant, an infrared absorber, an ultraviolet absorber, and a binder.
11 . The kit of claim 1 wherein the imageable material comprises metal oxide particles.
12 . The kit of claim 1 wherein the film includes an adhesive layer disposed on the imageable material.
13 . The kit of claim 1 wherein the film further comprises a receptor sheet in contact with the imageable material.
14 . The kit of claim 13 wherein the receptor sheet comprises a coating that comprises a polymeric binder, a texturizing material, or both a polymeric binder and a texturizing material.
15 . The kit of claim 1 wherein upon imagewise exposure to infrared radiation, the exposed portions of the imageable material become more developable than its unexposed portions.
16 . The kit of claim 1 wherein the imageable material further comprises a cover sheet and wherein the photosensitive material is disposed between the substrate and the cover sheet.
17 . The kit of claim 1 wherein the photosensitive material further comprises an ultraviolet-curable material.
18 . The kit of claim 1 wherein the imageable article is a flexographic printing plate precursor.
19 . A kit for creating a relief image comprising:
a film comprising a carrier sheet, a release layer, a barrier layer and an infrared-imageable material; and
a flexographic printing plate comprising a substrate, an ultraviolet-curable material, and a cover sheet.
20 . The kit of claim 19 wherein the carrier sheet is composed of a polyester, the release layer comprises polyvinyl alcohol or methylcellulose, the barrier layer comprises poly(alkyl cyanoacrylate) or nitrocellulose and an infrared-absorbing dye, or the infrared-imageable material comprises an infrared absorber.
21 . A kit for making a relief image and a proof of the relief image, the kit comprising:
a film comprising an imageable material disposed between a carrier sheet and a receptor sheet; and
an imageable article comprising a photosensitive material disposed on a substrate.
22 . The kit of claim 21 wherein the imageable material comprises a colorant that strongly absorbs a curing radiation and imparts a visible color to the infrared-imageable material.
23 . The kit of claim 1 wherein said separate imageable article is a printed circuit board precursor comprising a substrate, a metal layer, and a photosensitive material.