Thermally imageable positive-working lithographic printing plate precursor and method for imaging
    32.
    发明授权
    Thermally imageable positive-working lithographic printing plate precursor and method for imaging 失效
    可热成像正性平版印刷版前体和成像方法

    公开(公告)号:US06458511B1

    公开(公告)日:2002-10-01

    申请号:US09589335

    申请日:2000-06-07

    IPC分类号: G03F730

    摘要: A radiation-sensitive composition comprises: (i) at least one component capable of absorbing IR radiation; and (ii) a diazonium polycondensation product soluble in an organic solvent; with the proviso that the composition does not contain components capable of reacting with decomposition products produced from IR radiation exposure of the diazonium polycondensation product. The composition may additionally comprise a polymeric binder of the type useful for conventional negative-working printing plates. The composition is suitable for preparing thermally imageable printing plate precursors and printing plates and may also be used in a method for providing an image on such plate precursors and printing plates.

    摘要翻译: 辐射敏感组合物包含:(i)至少一种能够吸收IR辐射的组分; 和(ii)可溶于有机溶剂的重氮缩聚产物; 条件是组合物不含有能够与由重氮缩聚产物的IR辐射暴露产生的分解产物反应的组分。 该组合物可另外包含可用于常规负性印刷版的类型的聚合物粘合剂。 该组合物适用于制备可热成像的印版前体和印版,并且也可用于在这种印版前体和印版上提供图像的方法。

    Sulfonamido substituted acetal polymers
    34.
    发明授权
    Sulfonamido substituted acetal polymers 失效
    磺酰胺取代的缩醛聚合物

    公开(公告)号:US5849842A

    公开(公告)日:1998-12-15

    申请号:US917057

    申请日:1997-08-22

    摘要: Binders useful in photosensitive compositions contain units A, B, C and D, wherein A is present in an amount of 0.5 to 15 wt. % and is of the formula ##STR1## B is present in an amount of 10 to 35 wt. % and is of the formula ##STR2## C is present in an amount of 10 to 50 wt. % and is of the formula ##STR3## wherein R.sup.1 is methyl, ethyl, propyl, and D is present in an amount of 25 to 70 wt. % and is of the formula ##STR4## wherein n is an integer of from 1 to 3 and R.sup.2, R.sup.3 are hydrogen or methyl and R.sup.4 is alkyl, aralkyl or aryl.

    摘要翻译: 用于光敏组合物的粘合剂含有单元A,B,C和D,其中A以0.5至15wt。 %且为式35重量%。 %,并且具有式(B)的化合物C的存在量为10至50wt。 %,并且具有式(C)的式(C)其中R 1是甲基,乙基,丙基和D以25至70重量%的量存在。 %,具有式R 2,R 3是氢或甲基,R 4是烷基,芳烷基或芳基。

    Acetal polymers and use thereof in photosensitive compositions and
lithographic printing plates
    35.
    发明授权
    Acetal polymers and use thereof in photosensitive compositions and lithographic printing plates 失效
    乙缩醛聚合物及其在光敏组合物和平版印刷版中的应用

    公开(公告)号:US5700619A

    公开(公告)日:1997-12-23

    申请号:US675024

    申请日:1996-07-03

    摘要: This invention relates to a binder containing the units A, B, C, D and E, wherein A is present in an amount of 10 to 60 mole % and is of the formula ##STR1## B is present in an amount of 1 to 30 mole % and is of the formula ##STR2## C is present in an amount of 5 to 60 mole % and is of the formula ##STR3## D is present in an amount of 0 to 60 mole % and is of the formula ##STR4## E is present in an amount of 1 to 40 mole % and is of the formula ##STR5## wherein X is an aliphatic, aromatic or araliphatic spacer group, R.sup.1 is hydrogen or an aliphatic, aromatic or araliphatic group, R.sup.2, R.sup.3 and R.sup.4 are hydrogen or alkyl groups with carbon numbers of from 1 to 18 and Y is a saturated or unsaturated chain- or ring-shaped spacer group, and photosensitive compositions containing this binder.

    摘要翻译: 本发明涉及含有单元A,B,C,D和E的粘合剂,其中A以10至60摩尔%的量存在并且具有式30摩尔%并且具有式(B) )C以5至60摩尔%的量存在并且具有式(C)的化合物:D的存在量为0至60摩尔%,并且具有式0摩尔%,并且具有式 (E)其中X是脂族,芳族或芳脂族间隔基,R 1是氢或脂族,芳族或芳脂族基团,R 2,R 3和R 4是氢或碳数为1至18的烷基,Y是 饱和或不饱和的链或环形间隔基,以及含有该粘合剂的光敏组合物。

    Use of carboxyl group-containing acetal polymers in light-sensitive compositions and lithographic printing plates
    36.
    发明授权
    Use of carboxyl group-containing acetal polymers in light-sensitive compositions and lithographic printing plates 失效
    在光敏组合物和平版印刷版中使用含羧基的缩醛聚合物

    公开(公告)号:US06808858B2

    公开(公告)日:2004-10-26

    申请号:US10221117

    申请日:2002-12-10

    IPC分类号: G03F7021

    摘要: The present invention relates to a light-sensitive composition containing: (i) at least one diazonium polycondensation product or at least one system that can be radically polymerized and consists of photoinitiators and unsaturated compounds which can be radically polymerized or at least one hybrid system consisting of a diazonium polycondensation product and a system that can be radically polymerized and consists of photo initiators and unsaturated compounds which can be radically polymerized, (ii) at least one binding agent and optionally one or more exposure indicators, one or more dyes for increasing the image contrast and one or more acids for stabilizing the light-sensitive composition which is characterized in that the binding agent essentially consists of units (A, B, C, D), whereby A corresponds to formula (I), B corresponds to formula (II), C corresponds to formula (III) and D corresponds to formula (IV). The invention also relates to the use thereof for coating printing plates. The invention further relates to printing plates which are coated with said light-sensitive composition.

    Process for making thermal negative printing plate
    37.
    发明授权
    Process for making thermal negative printing plate 失效
    制造热负版印刷板的工艺

    公开(公告)号:US06599676B2

    公开(公告)日:2003-07-29

    申请号:US10039164

    申请日:2002-01-03

    IPC分类号: G03F7038

    摘要: A process for making thermally imageable negative working compositions comprising the steps of: (1) providing a patterning composition layer on a substrate, said patterning composition comprising: (a) at least one thermal-generator acid generator, (b) at least one cross-linking resin or compound; (c) at least one binder resin comprising a polymer containing at least one reactive pendent group selected from the group, consisting of hydroxyl, carboxylic acid, sulfonamide, alkoxymethylamide and mixtures thereof; and (d) at least one infrared absorber; (2) subjecting the patterning composition layer to a two-stage radiation exposure; (a) one stage being a flood UV-exposure; and (b) the other stage being a imagewise infrared exposure stage; (3) treating the exposed patterning composition with heat energy; and (4) developing the heat treated, exposed patterning composition with an aqueous alkaline developer to remove the non-imaged areas of the patterning composition and leaving the imaged areas substantially unaffected.

    摘要翻译: 一种制备可热成像负性组合物的方法,包括以下步骤:(1)在基底上提供图案化组合物层,所述图案化组合物包括:(a)至少一个热发生器酸发生剂,(b)至少一个十字 连接树脂或化合物;(c)至少一种包含含有至少一个选自羟基,羧酸,磺酰胺,烷氧基甲基酰胺及其混合物的反应性侧基的聚合物的粘合剂树脂; 和(d)至少一个红外线吸收剂;(2)使图案化组合物层进行两级辐射曝光;(a)一个阶段是泛光UV曝光; 和(b)另一阶段是成像红外曝光阶段;(3)用热能处理曝光的图案化组合物; 和(4)用含水碱性显影剂显影经热处理的曝光的图案化组合物以除去图案化组合物的非成像区域,并使成像区域基本上不受影响。

    Thermal digital lithographic printing plate
    38.
    发明授权
    Thermal digital lithographic printing plate 有权
    热数码平版印刷版

    公开(公告)号:US06534238B1

    公开(公告)日:2003-03-18

    申请号:US09592895

    申请日:2000-06-13

    IPC分类号: G03F7038

    摘要: A thermally imageable element, useful as a lithographic printing plate precursor is disclosed. The element comprises a hydrophilic substrate; an underlayer comprising a first polymeric material; and an ink-receptive top layer comprising a second polymeric material and a solubility-suppressing component. The solubility-suppressing component may be a separate dissolution inhibitor compound and/or the second polymeric material may also function as a solubility-suppressing component. On thermal exposure the exposed regions of the top layer becomes more readily soluble in an aqueous developer, allowing the developer to remove the top layer and reveal the surface of the hydrophilic substrate. The lithographic printing plate thus formed has excellent properties, including the absence of sludging of the developer.

    摘要翻译: 公开了可用作平版印刷版原版的可热成像元件。 元件包括亲水基底; 包含第一聚合物材料的底层; 以及包含第二聚合物材料和溶解度抑制组分的吸墨顶层。 溶解性抑制成分可以是单独的溶解抑制剂化合物和/或第二聚合物材料也可以作为溶解度抑制成分起作用。 在热曝光的情况下,顶层的暴露区域变得更容易溶于水性显影剂,使显影剂除去顶层并露出亲水基材的表面。 这样形成的平版印刷版具有优异的性能,包括不存在显影剂的污泥。

    Polyvinyl acetals having imido groups and use thereof in photosensitive
compositions
    40.
    发明授权
    Polyvinyl acetals having imido groups and use thereof in photosensitive compositions 失效
    具有亚胺基的聚乙烯醇缩醛及其在光敏组合物中的用途

    公开(公告)号:US6087066A

    公开(公告)日:2000-07-11

    申请号:US418284

    申请日:1999-10-14

    摘要: This invention relates to polyvinyl acetals containing the units A, B, C and D, whereinA is present in an amount of 0.5 to 20 wt.-% and is of the formula ##STR1## B is present in an amount of 15 to 35 wt.-% and is of the formula ##STR2## C is present in an amount of 10 to 50 wt.-% and is of the formula ##STR3## wherein R.sup.1 is an alkyl group with up to 4 carbons, which is optionally substituted by an acid group, or a phenyl group, to which an acid group is attached, wherein the phenyl group optionally comprises 1 to 2 further substituents selected from halos, amino, methoxy, ethoxy, methyl and ethyl groups, or is a group X--NR.sup.6 --CO--Y--COOH, wherein X is an aliphatic, aromatic or araliphatic spacer group, R.sup.6 is hydrogen or an aliphatic, aromatic or araliphatic moiety and Y is a saturated or unsaturated chain- or ring-shaped spacer group, and this unit C may be contained several times with various moieties R.sup.1 independent of one another, and D is present in an amount of 25 to 70 wt.-% and is of the formula ##STR4## wherein n is an integer from 1 to 3 andR.sup.2 and R.sup.3 are a hydrogen or a methyl group, andR.sup.4 and R.sup.5 independent of one another are alkyl groups having no more than 4 carbons or R.sup.4 and R.sup.5, together with the two carbons they are attached to, represent a 5- or 6-membered carbocyclic ring.In addition, photosensitive compositions containing these polyvinyl acetals are described.

    摘要翻译: 本发明涉及含有单元A,B,C和D的聚乙烯醇缩醛,其中A以0.5至20重量%的量存在并且具有式B的量为15至35重量% %,并且式C的存在量为10至50重量%,并且具有下式:其中R 1是具有至多4个碳的烷基,其任选被酸基取代,或苯基 ,其中所述苯基任选地包含1至2个选自卤素,氨基,甲氧基,乙氧基,甲基和乙基的其它取代基,或为X-NR6-CO-Y-COOH基团,其中 X是脂族,芳族或芳脂族间隔基,R6是氢或脂族,芳族或芳脂族部分,Y是饱和或不饱和的链或环形间隔基,并且该单元C可以含有多个部分 R1彼此独立,D以25至70重量%的量存在,并具有下式其中n为 1至3的整数,R 2和R 3为氢或甲基,且R 4和R 5彼此独立地为不多于4个碳的烷基或R 4和R 5以及它们所连接的两个碳原子, 代表5-或6-元碳环。 此外,还描述了含有这些聚乙烯醇缩醛的光敏组合物。