G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/038 (2006.01) B41C 1/055 (2006.01) B41C 1/10 (2006.01) B41M 5/36 (2006.01) B41N 1/14 (2006.01)
Patent
CA 2276038
A lithoprinting plate comprising a support and a recording layer which comprises a polyvalent metal ion and a hydrophilic binder polymer having a Lewis base portion containing nitrogen, oxygen or sulfur and which has an oleophilic image area and a hydrophilic non-image area which are printed in a thermal mode, wherein the hydro- philic binder polymer in the hydrophilic non-image area is three-dimensionally cross-linked by the interaction between the polyvalent metal ion and the Lewis base portion.
Cette invention concerne une plaque lithographique comprenant un substrat ainsi qu'une couche d'impression qui contient un polymère adhésif hydrophile. Ce polymère, qui contient des ions métalliques polyvalents et des résidus de base de Lewis azotés, oxygénés ou sulfurés, comprend des zones d'image oléophiles ainsi que des zones de non-image hydrophiles imprimées selon un mode thermique. Le polymère adhésif hydrophile situé dans la zone de non-image hydrophile est réticulé en trois dimensions par l'interaction entre les ions métalliques polyvalents et les résidus de base de Lewis.
Tanaka Migaku
Tomeba Kei
Asahi Kasei Kogyo Kabushiki Kaisha
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Fuji Photo Film Co. Ltd.
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