Presensitized plates for use in making lithographic printing plates
requiring no dampening water
    32.
    发明授权
    Presensitized plates for use in making lithographic printing plates requiring no dampening water 失效
    用于制造不需要润版水的平版印刷版的预敏化板

    公开(公告)号:US5059511A

    公开(公告)日:1991-10-22

    申请号:US485520

    申请日:1990-02-27

    IPC分类号: G03F7/00 C08F2/50 G03F7/075

    CPC分类号: G03F7/0752

    摘要: A presensitized plate, for use in making a lithographic printing plate requiring no dampening water, comprises a substrate, a light-sensitive resin layer applied thereon and a silicone rubber layer formed on the light-sensitive layer which is cross-linked through a reaction of SiH groups with --CH.dbd.CH-- groups, the light-sensitive resin layer comprising:(1) a monomer or an oligomer having at least one photopolymerizable (meth)acryloyl group and at least one allyl group;(2) a photopolymerization initiator; and optionally(3) a polymeric compound having film-forming ability; and(4) a monomer or an oligomer having at least one photopolymerizable (meth)acryloyl groups and free of allyl groups.According to the presensitized plate, the adhesion between the addition type silicone rubber layer and the light-sensitive resin layer is greatly improved and excellent image-forming properties of the presensitized plate are thus ensured.

    摘要翻译: 用于制造不需要润版水的平版印刷版的预觉板包括基材,涂布在其上的感光树脂层和形成在感光层上的硅橡胶层,该硅橡胶层通过 具有-CH = CH-基团的SiH基团,所述感光树脂层包含:(1)具有至少一个可光聚合的(甲基)丙烯酰基和至少一个烯丙基的单体或低聚物; (2)光聚合引发剂; 和(3)具有成膜能力的聚合物; 和(4)具有至少一个可光聚合的(甲基)丙烯酰基并且不含烯丙基的单体或低聚物。 根据预敏板,加性硅酮橡胶层和感光树脂层之间的粘附性大大提高,并且因此确保了预敏化板的优异的图像形成性能。

    Photopolymerizable composition
    33.
    发明授权
    Photopolymerizable composition 失效
    可光聚合组合物

    公开(公告)号:US4950581A

    公开(公告)日:1990-08-21

    申请号:US215353

    申请日:1988-07-05

    IPC分类号: C08F2/50 G03F7/029

    摘要: A photopolymerizable composition is provided containing a polymerizable compound having an ethylenically unsaturated bond, a photopolymerization initiator, and if necessary, a linear organic high molecular weight polymer. The photopolymerization initiator comprises a combination of (a) an organic compound represented by formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4, which may be the same or different, each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group a substituted or unsubstituted alkynyl group, or a substituted or unsubstituted heterocyclic group, and at least two of said R.sup.1, R.sup.2, R.sup.3, and R.sup.4 may combine to form a cyclic structure, with the proviso that at least one of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 is an alkyl group, and wherein Z.sym. represents an alkali metal cation or a quaternary ammonium cation, and (b) an organic dye having no counter anion.

    摘要翻译: 提供含有具有烯键式不饱和键的可聚合化合物,光聚合引发剂和必要时的线性有机高分子量聚合物的光聚合组合物。 光聚合引发剂包括(a)由式(I)表示的有机化合物:其中R 1,R 2,R 3和R 4可以相同或不同,各自表示取代或未取代的 烷基,取代或未取代的芳基,取代或未取代的烯基,取代或未取代的炔基或取代或未取代的杂环基,并且所述R 1,R 2,R 3和R 4中的至少两个可以结合形成 环状结构,条件是R 1,R 2,R 3和R 4中的至少一个为烷基,并且其中Z(+)表示碱金属阳离子或季铵阳离子,和(b)无 抗衡阴离子

    Photopolymerizable composition
    34.
    发明授权
    Photopolymerizable composition 失效
    可光聚合组合物

    公开(公告)号:US4937161A

    公开(公告)日:1990-06-26

    申请号:US214938

    申请日:1988-07-05

    IPC分类号: C08F2/50 G03C5/16 G03F7/029

    摘要: A photopolymerizable composition containing a polymerizable compound having an ethylenically unsaturated bond, a photopolymerization initiator, and if necessary, a linear organic hibh molecular weight polymer. The photopolymerization initiator comprises a combination of (a) at least one organic boron compound anion salt of an organic cationic dye, andd (b) a compound represented by formula (I): ##STR1## wherein x represents a halogen atom; Y represents --CH.sub.3, --NH.sub.2, --NHR', --N(R').sub.2, or --OR' wherein R' represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group; and wherein R represents --CX.sub.3, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or a substituted alkenyl group.

    摘要翻译: 含有具有烯键式不饱和键的聚合性化合物,光聚合引发剂和必要时的线性有机高分子量聚合物的光聚合性组合物。 光聚合引发剂包括(a)有机阳离子染料的至少一种有机硼化合物阴离子盐和d(b)由式(I)表示的化合物的组合:其中x表示卤素原子; Y表示-CH 3,-NH 2,-NHR',-N(R')2或-OR',其中R'表示烷基,取代的烷基,芳基或取代的芳基; 并且其中R表示-CX3,烷基,取代的烷基,芳基,取代的芳基或取代的烯基。

    Process for preparing image-bearing plates
    35.
    发明授权
    Process for preparing image-bearing plates 失效
    图像承载板的制备方法

    公开(公告)号:US4877719A

    公开(公告)日:1989-10-31

    申请号:US918126

    申请日:1986-10-14

    IPC分类号: G03F7/30 G03F7/00 G03F7/38

    CPC分类号: G03F7/38

    摘要: Disclosed is a process for preparing an image-bearing plate for use in a lithographic printing plate, a photoresist or the like. The process comprises, after imagewise exposing a light-sensitive plate comprising a support having provided thereon a light-sensitive layer comprising a compound capable of producing an acid upon irradiation with actinic rays, a compound having at least one acid-decomposable group, and an alkali-soluble resin, treating the exposed plate with hot water of at least 25.degree. C. for a period of at least 10 seconds, prior to development. It is possible to achieve high sensitivity regardless of the interval between the exposure and the development.

    摘要翻译: 公开了一种用于制备用于平版印刷版,光致抗蚀剂等的图像承载板的方法。 该方法包括:在包含其上提供有支持物的感光板上成像曝光后,在其上设置光敏层,所述感光层包含在光化射线照射时能够产生酸的化合物,具有至少一个酸可分解基团的化合物和 碱溶性树脂,在显影之前用至少25℃的热水处理暴露的板至少10秒的时间。 无论曝光和显影间隔如何,都可以实现高灵敏度。

    Photosensitive lithographic plate necessitating no dampening water
    36.
    发明授权
    Photosensitive lithographic plate necessitating no dampening water 失效
    感光平版印刷板不需要润版水

    公开(公告)号:US4874686A

    公开(公告)日:1989-10-17

    申请号:US322511

    申请日:1989-03-13

    IPC分类号: G03F7/00 G03F7/038 G03F7/075

    摘要: The present invention relates to a photosensitive lithographic plate necessitating no damping water, which plate has an excellent image reproducibility and stability in the lapse of time. The plate comprises, on a support, a photosensitive layer and a silicone rubber layer in this order, the silicone rubber layer being formed by addition reaction of an SiH group with a --CH.dbd.CH- group to cause crosslinking, and the photosensitive layer comprising:(1) a polymer comprising at least a structural formula (I): ##STR1## wherein R represents a hydrogen atom or a methyl group; R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each represents a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a sulfo group, a nitro group, a cyano group, an amido group, an amino group, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylamino group, an arylamino group, an alkylsulfonyl group and an arylsulfo group; and Z represents an oxygen atom, a sulfur atom, --NH-, --NR.sub.6 (R.sub.6 represents an alkyl group), --OCH.sub.2 CH.sub.2 O- or --OCH.sub.2 CH(OH)-, and(2) a photopolymerization initiator.

    Light-sensitive diazo composition with acidic compounds for use with
lithographic printing plates
    37.
    发明授权
    Light-sensitive diazo composition with acidic compounds for use with lithographic printing plates 失效
    具有酸性化合物的光敏重氮组合物用于平版印刷版

    公开(公告)号:US4617250A

    公开(公告)日:1986-10-14

    申请号:US616040

    申请日:1984-06-01

    CPC分类号: G03F7/0166

    摘要: A light-sensitive composition for use with lithographic printing plates is described which comprises (1) a light-sensitive, organic solvent soluble and substantially water-insoluble diazo resin which is the reaction product of a water-soluble, light-sensitive condensate of an aromatic diazonium compound and an organic condensing agent with a halogenated Lewis acid or a salt thereof, (2) a substantially water-insoluble, film forming organic high-molecular weight compound having an acid value of from 10 to 200, (3) a polynuclear aromatic sulfonic acid or a salt thereof, and (4) a salt-forming organic dye compound.

    摘要翻译: 描述了一种用于平版印刷版的感光组合物,其包括(1)光敏的有机溶剂可溶和基本上不溶于水的重氮树脂,其是水溶性,光敏性缩合物的反应产物, 芳香族重氮化合物和有机缩合剂与卤化路易斯酸或其盐,(2)基本上不溶于水的成膜有机高分子化合物,其酸值为10〜200,(3)多核 芳族磺酸或其盐,和(4)成盐有机染料化合物。

    Photopolymerizable composition
    40.
    发明授权
    Photopolymerizable composition 失效
    可光聚合组合物

    公开(公告)号:US4239850A

    公开(公告)日:1980-12-16

    申请号:US962850

    申请日:1978-11-22

    摘要: A photopolymerizable composition comprising a polymerizable ethylenically unsaturated compound, optionally, a linear organic polymer, and a photopolymerization initiator comprising a combination of a compound represented by the general formula (I) ##STR1## wherein Z represents the non-metal atomic group necessary to form a nitrogen containing heterocyclic nucleus, R.sub.1 represents an alkyl group or a substituted alkyl group, and R.sub.2 represents an alkyl group or an aryl group having a comparatively high photopolymerization initiating ability; and a compound represented by the general formula (II) ##STR2## wherein X represents a halogen atom, Y represents --CX.sub.3, --NH.sub.2, --NHR.sup.1, --NR.sup.1.sub.2 or OR.sup.1, R.sup.1 represents an alkyl group or an aryl group and R represents an alkyl group, an alkyl group substituted with at least one chlorine atom, an aryl group, a substituted aryl group or a substituted alkenyl group.

    摘要翻译: 一种可光聚合组合物,其包含可聚合的烯属不饱和化合物,任选的线性有机聚合物和包含由通式(I)表示的化合物组合的光聚合引发剂,其中Z表示非金属原子团 需要形成含氮杂环核,R1表示烷基或取代的烷基,R2表示具有较高的光聚合引发能力的烷基或芳基; 和由通式(II)表示的化合物其中X表示卤素原子,Y表示-CX3,-NH2,-NHR1,-NR12或OR1,R1表示烷基或芳基,R表示 烷基,被至少一个氯原子取代的烷基,芳基,取代的芳基或取代的链烯基。