Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Imagewise heating – element or image receiving layers...
Patent
1995-04-10
1996-02-27
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Imagewise heating, element or image receiving layers...
430202, 430204, 4302721, 4302871, G03C 808, G03C 826, G03C 193
Patent
active
054947740
ABSTRACT:
A thermal transfer system for transferring material in an imagewise manner by means of thermal transfer printing from a donor element to an image receiving element is used to prepare printing plates. In one construction, a donor element, which is prepared by coating a photoinitiator (and optionally a sensitizer) in a binder on a backing material, is used with an image receiving element, which is prepared by coating a photopolymer (and optionally a sensitizer) on a substrate having a microporous hydrophilic crosslinked silicated surface. In an alternative construction, a donor element, which is prepared by coating a sensitizer in a binder on a backing material, is used with an image receiving element, which is prepared by coating a photopolymer and photoinitiator on a substrate having a microporous hydrophilic crosslinked silicated surface. In yet another construction, a donor element, prepared by coating a thermal transfer layer containing a photopolymer, a photoinitiator and/or a sensitizer on a backing material, is used with an image receiving element having a microporous hydrophilic crosslinked silicated surface.
REFERENCES:
patent: 3971660 (1976-07-01), Staehle
patent: 5204219 (1993-04-01), Ooiji et al.
patent: 5235015 (1993-08-01), Ali et al.
Ali M. Zaki
Ali Mahfuza B.
Boston David R.
Chang Jeffrey C.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Musser Arlene K.
Schilling Richard L.
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