Imaging system with microcapsules containing photohardenable or

Details Imaging system with microcapsules containing photohardenable or Imaging system with microcapsules containing photohardenable or

1984-02-02

1984-11-20

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

G03C 554, G03C 168, G03C 1495

Patent

active

044839120

ABSTRACT:
Means are provided for preventing image diffusion in images formed by imagewise exposure of a microencapsulated photosensitive material to actinic radiation, followed by a color forming reaction between a chromogenic material and a developer. A curing agent for the photosensitive composition, such as an organic peroxide, is microencapsulated separately from the photosensitive material and included in the coating. When the capsules are ruptured, the released curing agent reacts with the photosensitive material and thereby stabilizes the formed color so that its quality will not deteriorate over time.

REFERENCES:
patent: 4399209 (1983-08-01), Sanders et al.
patent: 4440846 (1984-04-01), Sanders et al.

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