Overcoat layer for laser ablative imaging

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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430201, 430322, 430944, 430961, 430964, 3461351, G03C 173, G03C 176

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active

054299098

ABSTRACT:
A laser dye-ablative recording element comprising a support having thereon, in order, a dye layer comprising an image dye dispersed in a polymeric binder and a polymeric overcoat which does not contain any image dye, the dye layer having an infrared-absorbing material associated therewith to absorb at a given wavelength of the laser used to expose the element, the image dye is substantially transparent in the infrared region of the electromagnetic spectrum and absorbs in the region of from about 300 to about 700 nm and does not have substantial absorption at the wavelength of the laser used to expose the element.

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