Positive-working radiation-sensitive composition and elements

Details Positive-working radiation-sensitive composition and elements Positive-working radiation-sensitive composition and elements

2008-07-15

2008-07-15

Chu, John S (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

C430S170000, C430S270100, C430S326000

Reexamination Certificate

active

11679962

ABSTRACT:
Radiation-sensitive compositions can be used to prepare imageable elements useful for example to make lithographic printing plates. The compositions include an aqueous alkaline solvent soluble phenolic resin or poly(vinyl acetal) as a polymeric binder. The compositions also include a fluorinated compound that has a urethane moiety and a fluorinated alkyleneoxy moiety to provide improved coating and friction properties particularly when stacked with interleaf papers. The radiation-sensitive composition can be coated as an imageable layer that further includes a radiation absorbing compound that is sensitive, for example, to infrared radiation.

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