公开(公告)号：US20040126719A1

公开(公告)日：2004-07-01

申请号：US10737552

申请日：2003-12-16

Applicant: AGFA-GEVAERT

Inventor： Ingrid Geuens ,  Frank Louwet ,  Peter Michiels

IPC: G03C001/498 ,  G03C001/76

CPC classification number: G03C1/4989 ,  G03C1/49827 ,  G03C1/49872 ,  G03C2001/7635 ,  G03C2200/35 ,  G03C2200/47 ,  Y10S430/162 ,  Y10S430/165 ,  Y10S430/166

Abstract: A substantially light-insensitive black and white monosheet thermographic recording material has a support and on one side of the support comprises a thermosensitive element, a barrier layer and an outermost protective layer, the thermosensitive element being exclusive of a high contrast agent and containing at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith, at least one toning agent and at least one binder, wherein the at least one reducing agent is an ortho-dihydroxy-benzene derivative and the barrier layer comprises a copolymer comprising vinyl chloride units and vinyl acetate and/or vinyl alcohol units, a copolymer comprising styrene units and acrylonitrile units, a copolymer comprising cationic units and/or a copolymer comprising styrene units and maleic acid units.

Abstract translation: 基本上不透光的黑色和白色单片热成像记录材料具有支撑体，并且在支撑体的一侧包括热敏元件，阻挡层和最外面的保护层，热敏元件不包括高造影剂并至少包含 一种基本上不光敏的羧酸银盐，至少一种与其热处理关系的还原剂，至少一种调色剂和至少一种粘合剂，其中至少一种还原剂是邻二羟基苯衍生物 并且阻挡层包括含有氯乙烯单元和乙酸乙烯酯和/或乙烯醇单元的共聚物，包含苯乙烯单元和丙烯腈单元的共聚物，包含阳离子单元的共聚物和/或包含苯乙烯单元和马来酸单元的共聚物。