Positive, laminable proofing construction

Details Positive, laminable proofing construction Positive, laminable proofing construction

G - Physics

03

C

96/22

G03C 11/12 (2006.01) G03F 3/10 (2006.01) G03F 7/022 (2006.01)

Patent

CA 1253024

POSITIVE, LAMINABLE PROOFING CONSTRUCTION Abstract Positive-acting, laminable imaging constructions often suffer from high levels of optical density in background areas. The optical density is provided by migratory colorant or photosensi- tive diazo oxide. The use of a base soluble organic binder with a substantially polar solvent which contains the colorant and diazo oxide in combination with a thermally softenable polymeric adhesive layer having a substantially non-polar solvent system prevents migration of colorant and diazo oxide between layers and reduces the background optical density.

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