Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1998-11-10
2000-10-10
Chea, Thorl
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430510, 430523, 430631, G03C 1498
Patent
active
061300330
ABSTRACT:
A (photo)thermographic recording material comprising a (photo-addressable) thermosensitive element on one side of a water resistant support and an outermost backside layer on the other side of the water resistant support, the (photo-addressable) thermosensitive element comprising a substantially light-insensitive organic silver salt, an organic reducing agent for the substantially light-insensitive organic silver salt in thermal working relationship therewith(, photosensitive silver halide in catalytic association with the substantially light insensitive organic silver salt) and a binder and the outermost backside layer comprising polymeric beads, characterized in that an outermost layer on the side of the water resistant support with the (photo-addressable) thermosensitive element does not contain a fluorine-containing polymeric surfactant and the static frictional coefficient between the outermost layer on the side of the water resistant support with the (photo-addressable) thermosensitive element and the outermost backside layer is .ltoreq.0.24 and/or the outermost backside layer of the (photo)thermographic recording material has an R.sub.2 determined according to DIN 4768/1 of >1.75 .mu.m; and a (photo)thermographic recording process therefor.
REFERENCES:
patent: 5468603 (1995-11-01), Kub
patent: 5750328 (1998-05-01), Melpolder et al.
patent: 5883042 (1999-03-01), Defieuw et al.
Brochure describing 3M (now IMATION) DRYVIEWS.TM.8700 material on U.S. Market since Oct. 1995.
Defieuw Geert
Hoogmartens Ivan
Mues Wim
Quintens Dirk
AGFA-GEVAERT
Chea Thorl
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