Thermal transfer imaging process and donor element for use therein
    32.
    发明授权
    Thermal transfer imaging process and donor element for use therein 失效
    热转印成像工艺和供应元件

    公开(公告)号:US5587269A

    公开(公告)日:1996-12-24

    申请号:US400346

    申请日:1995-03-08

    Applicant: Geert Defieuw

    Inventor: Geert Defieuw

    CPC classification number: G03C1/4989 G03C8/404 Y10S430/151

    Abstract: The present invention provides a thermal imaging process using (i) a donor element comprising on a support having a thickness of 3-10 .mu.m a donor layer comprising a binder, a thermotransferable reducing agent capable of reducing a silver source to metallic silver upon heating and particles protruding from the surface of said donor layer and (ii) a receiving element comprising on a support a receiving layer comprising a silver source capable of being reduced by means of heat in the presence of a reducing agent, said thermal imaging process comprising the steps ofbringing said donor layer of said donor element into face to face relationship with said receiving layer of said receiving element,image-wise heating a thus obtained assemblage, thereby causing image-wise transfer of an amount of said thermotransferable reducing agent to said receiving element in accordance with the amount of heat supplied by said thermal head andseparating said donor element from said receiving element.The obtained images have a uniform density and the donor element for use in the above method shows an improved storage stability.

    Abstract translation: 本发明提供一种热成像方法,其使用(i)施主元件,该施主元件包括在具有3-10μm施主层的支撑体上,所述施主层包括粘合剂,能够在加热时将银源还原成金属银的热转移性还原剂, 从所述供体层的表面突出的颗粒和(ii)在载体上包含能够在还原剂存在下通过加热还原的银源的接收层的接收元件,所述热成像方法包括步骤 使所述施主元件的所述施主层与所述接收元件的所述接收层成面对面的关系,以图像方式加热由此获得的组合,从而使所述热转移还原剂的量成像到所述接收元件 根据由所述热敏头提供的热量并将所述施主元件与所述接收元件分离。 所获得的图像具有均匀的密度,并且用于上述方法的施主元件显示出改进的储存稳定性。

    Thermal transfer imaging process
    33.
    发明授权
    Thermal transfer imaging process 失效
    热转印成像过程

    公开(公告)号:US5587268A

    公开(公告)日:1996-12-24

    申请号:US400343

    申请日:1995-03-08

    CPC classification number: G03C1/4989 G03C2200/22 Y10S430/165

    Abstract: The present invention provides a donor element comprising on a support a donor layer comprising a binder, a thermotransferable reducing agent capable of reducing a silver source to metallic silver upon heating and a thermotransferable dye. When such a donor element is used in a thermal transfer printing process in conjunction with a receiving element having a receiving layer that contains a thermoreducible silver source, an image of a neutral black tone and having a high optical density is obtained.

    Abstract translation: 本发明提供了一种供体元件,其在载体上包含施主层,该施主层包含粘合剂,能够在加热时将银源还原成金属银的热转移性还原剂和可热转印的染料。 当这种施主元件与具有包含可热还原银源的接收层的接收元件结合使用在热转印印刷工艺中时,获得中性黑色调并具有高光密度的图像。

    Thermal head printer and process for printing substantially light-insensitive recording material

    公开(公告)号:US07023460B2

    公开(公告)日:2006-04-04

    申请号:US10692479

    申请日:2003-10-24

    CPC classification number: B41J2/33545 B41J2/3357

    Abstract: A thermal head printer for printing but not perforating a substantially light-insensitive thermographic material, the thermal printer comprising: a transport system having a transport direction, n thermal heads, where n is an integer, each of the thermal heads comprising an array of substantially rectangular energizable heating elements, the heating elements having a length Ln in the transport direction and a pitch Pn between adjacent heating elements, and a means for supplying electrical energy to each of the substantially rectangular energizable heating elements in at least one of the thermal heads, the transport system being capable of transporting the light-insensitive thermographic material in contact or proximity with at least one of the thermal heads, wherein at least one of the thermal heads comprises heating elements for which Ln/Pn is between 0.25 and 0.88; a first process for printing a substantially light-insensitive thermographic material with the above-described thermal head printer; a second process for printing a substantially light-insensitive thermographic material at different printing speeds with a thermal head comprising heating elements without significant variation in image tone, wherein the length of the heating elements in the transport direction of the substantially light-insensitive thermographic material decreases with decreasing printing speed; and a third process for printing a substantially light-insensitive thermographic material at different printing speeds with a different thermal head at each printing speed without significant variation in image tone, wherein each of said different thermal heads comprises heating elements with a different length in the transport direction of the substantially light-insensitive thermographic material and the length of the heating elements in the transport direction of the substantially light-insensitive thermographic material decreases with decreasing printing speed.

    Thermographic recording material with improved image tone
    35.
    发明授权
    Thermographic recording material with improved image tone 有权
    具有改善图像色调的热成像记录材料

    公开(公告)号:US06693062B2

    公开(公告)日:2004-02-17

    申请号:US10183261

    申请日:2002-06-27

    CPC classification number: B41M5/28 G03C1/49827 G03C1/4989

    Abstract: A monosheet black and white substantially light-insensitive thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing one or more substantially light-insensitive organic silver salts, one or more reducing agents consisting of one or more 1,2-dihydroxybenzene-compounds in thermal working relationship therewith and a binder, wherein the molar ratio of molar hydroxy-equivalents of the 1,2-dihydroxybenzene compounds to molar silver-equivalents of the substantially light-insensitive organic silver salts is between 1.2 and 6.0; the 1,2-dihydroxybenzene-compounds have a —(CH═CH)nR group in the 4 position wherein n is zero or an integer and R is a substituent with a Hammett &sgr;p constant >0.35 and

    Abstract translation: 包含热敏元件和载体的单片黑色和白色基本上不光敏感的热敏成像记录材料,所述热敏元件含有一种或多种基本上不光敏的有机银盐,一种或多种由一种或多种1,2-二羟基苯 - 与热处理关系的化合物和粘合剂,其中1,2-二羟基苯化合物的羟基当量的摩尔比与基本上不光敏的有机银盐的银当量的摩尔比在1.2和6.0之间; 1,2-二羟基苯化合物在4位具有 - (CH = CH)nR基团,其中n为0或整数,R为具有Hammett sigmap常数> 0.35且<0.95不包括羧基的取代基 ; 并且1,2-二羟基化合物的苯环任选进一步被选自烷基,取代的烷基,烯基,芳基,杂芳基,烷氧基,硫代烷基,芳氧基,硫代芳基,硫代杂芳基,酰氧基, 硫代酰基,酰氨基,磺酰胺基和卤素基团,芳基环系统和环状杂芳基环系统; 及其热成像记录方法。

    Production process for a benzotriazole-containing thermographic recording material with improved stability and image-tone
    36.
    发明授权
    Production process for a benzotriazole-containing thermographic recording material with improved stability and image-tone 有权
    具有改善的稳定性和图像色调的含苯并三唑的温度记录材料的制备方法

    公开(公告)号:US06306573B1

    公开(公告)日:2001-10-23

    申请号:US09459933

    申请日:1999-12-13

    CPC classification number: G03C1/4989 G03C1/34 G03C1/49854

    Abstract: A recording material comprising a support, a thermosensitive element and a protective layer therefor, the thermosensitive element comprising a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermosensitive element further comprises in reactive association with the substantially light-insensitive organic silver salt and the organic reducing agent a substituted, exclusive of groups having an exclusively electron withdrawing character, or unsubstituted compound with an unsaturated 5-membered heterocyclic ring annulated with an aromatic ring system, the ring consisting of nitrogen and carbon atoms with at least one of the nitrogen atoms having a hydrogen atom and none of the carbon atoms being directly linked to a sulfur atom or being part of a carbonyl-group; a production process therefor and a thermal image recording process utilizing the recording-material.

    Abstract translation: 一种包含载体,热敏元件及其保护层的记录材料,所述热敏元件包括基本上不光敏的有机银盐,与其热加工关系的有机还原剂和粘合剂,其中所述热敏元件还包含 与基本上不光敏的有机银盐和有机还原剂的反应性缔合物被取代,不包括仅具有吸电子性质的基团,或未取代的化合物与具有芳族环系统的不饱和5元杂环,所述环包括 的氮和碳原子,其中至少一个氮原子具有氢原子,并且没有一个碳原子直接连接到硫原子或者是羰基的一部分; 其制造方法和使用记录材料的热图像记录处理。

    Thermal printing head coating
    37.
    发明授权
    Thermal printing head coating 失效
    热敏打印头涂层

    公开(公告)号:US6028618A

    公开(公告)日:2000-02-22

    申请号:US18740

    申请日:1998-02-04

    Abstract: A thermal printing head comprising an outermost protective layer and a coating on the outermost surface of the outermost protective layer, wherein the coating comprises a hydrolyzed silane, the silane having the general formula: SiR.sup.1 R.sup.2 R.sup.3 R.sup.4 wherein R.sup.1, R.sup.2 and R.sup.3 are independently a C1 to C4 alkoxy group, a substituted C1 to C4 alkoxy group, bromine or chlorine; and R.sup.4 is a C1 to C4 alkyl group; a substituted C1 to C4 alkyl group, a C1 to C4 alkoxy group or a substituted C1 to C4 alkoxy group; a coating process therefor; and a thermographic printing process utilizing said coated thermal printing head.

    Abstract translation: 一种热敏打印头,包括最外面的保护层和在最外面保护层的最外表面上的涂层,其中涂层包含水解硅烷,具有以下通式的硅烷:SiR 1 R 2 R 3 R 4,其中R 1,R 2和R 3独立地为C 1至C 4 烷氧基,取代的C1至C4烷氧基,溴或氯; R4为C1〜C4烷基; 取代的C1至C4烷基,C1至C4烷氧基或取代C1至C4烷氧基; 一种涂层工艺; 以及利用所述涂覆的热敏打印头的热成像印刷工艺。

    Receiving element for use in thermal transfer printing
    38.
    发明授权
    Receiving element for use in thermal transfer printing 失效
    用于热转印的接收元件

    公开(公告)号:US5858913A

    公开(公告)日:1999-01-12

    申请号:US543224

    申请日:1995-10-13

    CPC classification number: G03C1/4989 B41M5/32 G03C1/49845 G03C8/4013

    Abstract: Receiving element for use according to transfer printing, comprising on a support a receiving layer comprising a silver source, capable of being reduced by means of heat in the presence of a reducing agent, a binder and a stabilizer selected from the group of benzotriazoles, heterocyclic mercaptanes, sulphinic acids, 1,3,4-triazo-indolizines, 1,3-dinitroaryl compounds, 1,2,3-triazoles, phthalic acids and phthalic acid derivatives.The receiving element provides images with higher stability at elevated temperatures and upon exposure to light.

    Abstract translation: 用于根据转印印刷使用的接收元件,其包括在载体上,包含银源的接收层,其能够在还原剂存在下通过热量还原,粘合剂和稳定剂选自苯并三唑,杂环 硫醇,亚磺酸,1,3,4-三唑 - 中氮茚,1,3-二硝基芳基化合物,1,2,3-三唑,邻苯二甲酸和邻苯二甲酸衍生物。 接收元件在升高的温度和曝光时提供更高稳定性的图像。

    Direct thermal imaging material containing a protective layer
    39.
    发明授权
    Direct thermal imaging material containing a protective layer 失效
    直接热成像材料含有保护层

    公开(公告)号:US5759752A

    公开(公告)日:1998-06-02

    申请号:US563855

    申请日:1995-11-29

    Abstract: A thermosensitive recording material suited for use in direct thermal imaging by means of an information-wise energized heating element, said recording material containing a thermosensitive recording layer of which the optical density is changed by heat, characterized in that said recording layer is coated with a protective transparent resin layer essentially consisting of a polycarbonate or copolycarbonate derived from one or more bisphenols, wherein at least 25 mole % of said bisphenols consists of a bis-(hydroxyphenyl)-cycloalkane corresponding to following general formula (I): ##STR1## wherein: each of R.sup.1, R.sup.2 , R.sup.3, and R.sup.4 (same or different) represents hydrogen, halogen, a C.sub.1 -C.sub.8 alkyl group, a substituted C.sub.1 -C.sub.8 alkyl group, a C.sub.5 -C.sub.6 cycloalkyl group, a substituted C.sub.5 -C.sub.6 cycloalkyl group, a C.sub.6 -C.sub.10 aryl group, a substituted C.sub.6 -C.sub.10 aryl group, a C.sub.7 -C.sub.12 aralkyl group, or a substituted C.sub.7 -C.sub.12 aralkyl group, and X represents the atoms necessary to complete a 5- to 8-membered alicyclic ring, which either carries at least one C.sub.1 -C.sub.6 alkyl group or at least one 5- or 6-membered cycloalkyl group, or carries a fused-on 5- or 6-membered cycloalkyl group.

    Abstract translation: 一种热敏记录材料,其适用于通过信息通电的加热元件进行直接热成像,所述记录材料包含热敏记录层,其光密度由热量改变,其特征在于,所述记录层涂覆有 保护性透明树脂层,其主要由衍生自一种或多种双酚的聚碳酸酯或共聚碳酸酯组成,其中至少25摩尔%的所述双酚由对应于以下通式(I)的双 - (羟基苯基) - 环烷烃组成: I)其中:R1,R2,R3和R4(相同或不同)各自表示氢,卤素,C1-C8烷基,取代的C1-C8烷基,C5-C6环烷基,取代的C5- C6环烷基,C6-C10芳基,取代C6-C10芳基,C7-C12芳烷基或取代C7-C12芳烷基,X表示完成5〜8元所需的原子 脂环族 环,其携带至少一个C 1 -C 6烷基或至少一个5或6元环烷基,或携带稠合在5或6元环烷基上。

    Thermal transfer process wherein a reducing agent and toning agent are
transferred to a receiving element containing a thermoreducible silver
source
    40.
    发明授权
    Thermal transfer process wherein a reducing agent and toning agent are transferred to a receiving element containing a thermoreducible silver source 失效
    热转印方法,其中将还原剂和调色剂转移到含有可热还原银源的接收元件

    公开(公告)号:US5601962A

    公开(公告)日:1997-02-11

    申请号:US633518

    申请日:1996-04-16

    CPC classification number: G03C1/4989 B41M5/38207 B41M5/38235

    Abstract: A thermal imaging process is provided using (i) a donor element comprising on a support a donor layer comprising a binder, a thermotransferable reducing agent capable of reducing a silver source to metallic silver upon heating and a thermotransferable toning agent and (ii) a receiving element comprising on a support a receiving layer comprising a silver source capable of being reduced to metallic silver by means of heat in the presence of a reducing agent, said thermal imaging process comprising the steps ofbringing said donor layer of said donor element into face to face relationship with said receiving layer of said receiving element,image-wise heating a thus obtained assemblage preferably by means of a thermal head, thereby causing image-wise transfer of an amount of said thermotransferable reducing agent to said receiving element in accordance with the amount of heat supplied andseparating said donor element from said receiving element.Images having a neutral grey tone can be obtained according to this method. The present invention further provides a donor element for use in the above method.

    Abstract translation: 提供了一种热成像方法,其使用(i)供体元件,其在载体上包含供体层,所述施主层包含粘合剂,能够在加热时将银源还原成金属银的热转移性还原剂和可转移的调色剂,以及(ii) 元件,其包括在载体上的包含银源的接收层,所述银源能够在还原剂存在下通过加热还原成金属银,所述热成像方法包括以下步骤:使所述施主元件的所述施主层面对 与所述接收元件的所述接收层的表面关系,优选地通过热敏头对图像方式加热如此获得的组合,从而根据所述量的量将所述热转印还原剂的量图像转印到所述接收元件 的供热并将所述供体元件与所述接收元件分离。 可以根据这种方法获得具有中性灰色调的图像。 本发明还提供了一种用于上述方法的供体元件。

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