Imageable elements with components having 1H-tetrazole groups

Details Imageable elements with components having 1H-tetrazole groups Imageable elements with components having 1H-tetrazole groups

2007-12-04

2010-12-28

Chu, John S (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

C430S270100, C430S281100, C430S920000

Reexamination Certificate

active

07858292

ABSTRACT:
Radiation-sensitive compositions and imageable elements include a polymeric or non-polymeric component in an imageable layer, which component includes 1H-tetrazole groups. The non-polymeric components can be radically polymerizable compounds. The polymeric components can have 1H-tetrazole groups that are pendant to the backbone. The use of such components in negative- or positive-working imageable elements provides high photospeed and improved developability for providing imaged and developed elements, such as lithographic printing plates that show improved chemical resistance and run length.

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Taden et al., “Synthesis and Polymerization of 5-(Methacrylamido)tetrazole, a Water-Soluble Acidic Monomer”,Journal of Polymer Science: Part A, vol. 40, 2002, pp. 4333-4343.
Rita Darkow et al, “Synthesis, photomodification and characterization of homo- and copolymers with 2,5-bisaryltetrazolyl pendant groups”,Reactive&Functional Polymers32 (1997) 195-207.

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