Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1992-08-19
1994-12-13
Kight, III, John
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430138, 430270, 430273, 522109, 522110, G03C 1725, G03C 173
Patent
active
053729137
ABSTRACT:
A photosensitive resin composition includes (A) a hydrophobic polymer having a glass transition temperature not greater than 5.degree. C., (B) a hydrophilic polymer, (C) an ethylenically unsaturated compound, (D) a solvent capable of dissolving the component (B) more than the component (A) and (E) a photopolymerization initiator, with the content of component (B) being less than that of component (A). The resin composition can be used to prepare a printing plate having a base, a photosensitive resin layer and a covering layer arranged one over another. The photosensitive resin layer contains a dispersed phase which includes particles having a phase which includes a hydrophobic polymer, surrounded by a phase which includes a hydrophilic polymer. The photosensitive resin layer can be prepared by removing the solvent (D) to a content of 0.001-2% by weight.
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Kajima Toshihiko
Kawahara Keizo
Nanpei Masaru
Tomita Akira
Hampton-Hightower P.
Kight III John
Toyo Boseki Kabushiki Kaisha
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