Radiation-sensitive materials comprising a layer having core-she

Details Radiation-sensitive materials comprising a layer having core-she Radiation-sensitive materials comprising a layer having core-she

1992-05-14

1997-03-11

Chu, John S. Y.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430160, 430162, 430166, 4302711, 4302731, 430910, G03C 172, G03F 711

Patent

active

056099800

ABSTRACT:
A radiation sensitive material comprises particles including a water-insoluble heat-softenable core surrounded by a shell which is soluble or swellable in aqueous medium. The material also includes a radiation sensitive component which, on exposure to radiation, causes the solubility characteristics of the material to change. The material may be positive- or negative-working and may be coated onto a substrate from aqueous media to form a radiation sensitive plate which, after image-wise exposure, can be developed in aqueous media and then heated to cause the particles to coalesce and form a durable printing image.

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