Negative-working imageable elements and methods of use

Details Negative-working imageable elements and methods of use Negative-working imageable elements and methods of use

2007-10-24

2009-10-20

Kelly, Cynthia H (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

C430S270100, C101S454000

Reexamination Certificate

active

07604924

ABSTRACT:
A negative-working imagable composition and element includes an initiator composition, an infrared radiation absorbing compound, a polymeric binder, and a stabilizing composition. The imaged element can be developed on-press and exhibits improved shelf-life under high humidity conditions. The stabilizing composition comprising at least one compound represented by Structure (ST-I) and at least one compound represented by Structure (ST-II):wherein m is 1 or 2, n is 1 to 50, R is hydrogen when m is 1, R1through R3are independently hydrogen or methyl, and L is an aliphatic, carbocyclic, heterocyclic, heteroatom divalent linking group, or a combination thereof.

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