Imaging process

Radiation imagery chemistry: process – composition – or product th – Microcapsule – process – composition – or product

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Details

430332, 430964, 430199, 430307, 503201, 503215, 347171, 264 433, 264 47, G03C 172

Patent

active

054278864

ABSTRACT:
A novel imaging process is disclosed comprising preparing microcapsules having an elongation of less than 1%, adhering the microcapsules to a substrate then imagewise rupturing certain of said microcapsules upon selective application of a thermal energy input comprising a .DELTA.T of at least 115.degree. C. per 1 millisecond. The process makes use of novel microcapsules polymerized at a temperature of from 65.degree. C. to 100.degree. C. which are heat resistant yet heat fracturable upon application of a thermal pulse.

REFERENCES:
patent: 4753968 (1988-06-01), Shioi et al.
patent: 4937119 (1990-06-01), Nikles et al.

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