Imaging member containing heat sensitive hyperbranched polymer a

Details Imaging member containing heat sensitive hyperbranched polymer a Imaging member containing heat sensitive hyperbranched polymer a

1998-12-18

2000-12-19

Baxter, Janet

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430302, G03C 1725

Patent

active

061625787

ABSTRACT:
An imaging member is composed of a heat-sensitive imaging layer having a heat-sensitive hyperbranched polymer containing heat-sensitive active end groups, and optionally a photothermal conversion material. Upon application of energy that generates heat, such as from IR irradiation, the polymer is rendered either more hydrophobic or hydrophilic depending upon the type of heat-sensitive active end groups present in the polymer. The exposed imaging member can be contacted with a lithographic printing ink and used for printing with or without post-imaging wet processing. This imaging member is particularly useful for direct write imaging using IR lasers or thermal printing heads.

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