Thermographic recording material with improved image tone and/or stability upon thermal development
    2.
    发明授权
    Thermographic recording material with improved image tone and/or stability upon thermal development 失效
    与热显影之后改进的图像的色调和/或改进的贮存稳定性的热成像记录材料

    公开(公告)号:EP0848286B1

    公开(公告)日:2005-04-06

    申请号:EP97203834.3

    申请日:1997-12-06

    申请人: AGFA-GEVAERT

    IPC分类号: G03C1/498 C07C51/41 B41M5/32

    摘要: A recording material comprising a support and a thermosensitive element comprising silver behenate, an organic reducing agent therefor in thermal working relationship therewith and a binder, characterized in that the silver behenate is not associated with mercury and/or lead ions and when the recording material is irradiated with a copper K alpha 1 X-ray source the ratio, normalized to a quantity of silver in the recording material of 1g per m thereof, of the sum of the peak heights of the X-ray diffraction lines attributable to silver behenate at Bragg angles, 2 THETA , of 6.01 DEG , 7.56 DEG , 9.12 DEG , 10.66 DEG , 12.12 DEG and 13.62 DEG to the sum of the peak heights of the X-ray diffraction lines at Bragg angles, 2 THETA , of 25.60 DEG , 35.16 DEG and 43.40 DEG of NIST standard 1976, rhombohedral Al2O3, determined with the same X-ray diffractometer in the same state of adjustment, is greater than 0.85; production processes for particles of substantially light-insensitive organic silver salt comprising silver behenate with these X-ray characteristics in the presence and substantial absence of organic solvent.

    Barrier layers for use in substantially light-insensitive thermographic recording materials
    3.
    发明公开

    公开(公告)号:EP1431059A1

    公开(公告)日:2004-06-23

    申请号:EP03104491.0

    申请日:2003-12-02

    申请人: AGFA-GEVAERT

    IPC分类号: B41M5/32 B41M5/40

    摘要: 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, characterized in that 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.

    摘要翻译: 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,其特征在于所述至少一种还原剂是邻二羟基 - 苯衍生物和阻挡层包含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。

    Stabilizers for use in substantially light-insensitive thermographic recording materials.
    5.
    发明公开
    Stabilizers for use in substantially light-insensitive thermographic recording materials. 有权
    稳定剂用于热成像记录材料是光不敏感基本上

    公开(公告)号:EP1420293A1

    公开(公告)日:2004-05-19

    申请号:EP03104030.6

    申请日:2003-10-30

    申请人: AGFA-GEVAERT

    IPC分类号: G03C1/498 B41M5/30 B41M5/32

    摘要: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one stabilizer selected from the group consisting of 1-(5-mercapto-1-tetrazolyl)-acetyl compounds represented bv formula (I):
    wherein R is -NR 2 R 3 , -OR 4 or an optionally substituted aryl or heteroaryl group; R 2 is hydrogen or an optionally substituted alkyl, aryl or heteroaryl group; R 3 is an optionally substituted aryl or heteroaryl group; and R 4 is an optionally substituted aryl group; and compounds with two or more groups represented by formula (II) :
    where Q comprises the necessary atoms to form a 5- or 6-membered unsaturated heterocyclic ring, A is hydrogen, a counterion to compensate the negative charge of the thiolate group or two or more A groups provide a linking group between the two or more groups represented by formula (II).

    摘要翻译: 基本上光不敏感的黑色和白色的单片热图形记录材料,其包含载体和热敏元件,该热敏元件中的热的工作关系包含一个基本上光不敏感的有机银盐与有机还原剂为此那里,粘合剂和至少一种 选自1-(5-巯基-1-四唑基)的所选稳定剂 - 乙酰基化合物表示BV式(I): worin R是-NR <2> [R <3>,-OR <4>或 在任选被取代的芳基或杂芳基; [R <2>是氢或在OPTIONALLY substituiertem烷基,芳基或杂芳基; [R <3>是芳基或杂芳基,任选substituiertem; 且R <4>为芳基,任选substituiertem; 和与由式表示的两个或更多个基团的化合物(II):其中Q包含的必要原子形成5-或6-元杂环的不饱和,A是氢,抗衡离子以补偿负电荷的硫醇盐的 基团或两个或更多个A基团提供由式(II)代表的两个或多个基团之间的连接基团。

    Thermographic recording material providing prints with good image density and tone having improved archivability
    7.
    发明公开
    Thermographic recording material providing prints with good image density and tone having improved archivability 审中-公开
    其具有良好的图像浓度和良好的图像的色调和改善的存档结果打印出的热成像记录材料

    公开(公告)号:EP1245404A1

    公开(公告)日:2002-10-02

    申请号:EP01000096.6

    申请日:2001-03-29

    申请人: AGFA-GEVAERT

    IPC分类号: B41M5/32 G03C1/498

    摘要: A monosheet black and white substantially light-insensitive thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing a substantially light-insensitive organic silver salt, a 3,4-dihydroxybenzene compound in thermal working relationship therewith and a binder, characterized in that the 3,4-dihydroxybenzene compound is an aryloxo-3,4-dihydroxybenzene compound in which the aryl-group is substituted with at least one substituent having a σ m -value greater than 0; or a heteroaryloxo-3,4-dihydroxybenzene compound in which the heteroaryl group has a unified aromaticity index I A greater than 53 and is optionally substituted with at least one group selected from the group consisting of aryl, hydroxy, carboxy, sulfo, sulfoalkyl, sulfoaryl, sulfonylalkyl, sulfonylaryl, annulated aryl, annulated heteroaryl, carboxyalkyl, carboxyaryl, oxoalkyl, oxoaryl, halogen, nitro, cyano and mercapto-alkyl groups; and a thermographic recording process therefor.

    摘要翻译: 单个片黑白基本上光不敏感的热成像图形记录包括一个热敏元件和支撑材料,将含有基本上光不敏感的有机银盐的热敏元件,在与热的工作关系存在和粘合剂的3,4-二羟基苯化合物,其特征 DASS明镜3,4-二羟基苯化合物是其中芳基被取代与具有西格玛米大于0的值的至少一个取代基的芳氧基-3,4-二羟基苯化合物; 或heteroaryloxo -3,4-二羟基苯化合物,其中杂芳基具有超过53 IA更大统一芳香索引并任选被选自芳基中选择的至少一个基团substituiertem。羟基,羧基,磺基,磺基烷基,磺芳基 ,烷基磺酰基,sulfonylaryl,稠芳基,杂芳基稠合,羧基烷基,羧基芳,氧代烷基,oxoaryl,卤素,硝基,氰基和巯基烷基; 和热的图形记录处理为此。