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    • 2. 发明授权
    • Photosensitive composition and method for manufacturing lithographic printing plate
    • 光敏组合物和制造平版印刷版的方法
    • US06468711B1
    • 2002-10-22
    • US09392259
    • 1999-09-09
    • Tadahiro SororiTatsuji HigashiKoichi Kawamura
    • Tadahiro SororiTatsuji HigashiKoichi Kawamura
    • G03F7004
    • C08F2/50G03F7/029
    • A photosensitive composition comprising: a titanocene compound; and at least one dye selected from: carbonyl compounds represented by formula (I): wherein Y represents a nonmetallic atom group for forming a nitrogen-containing heterocyclic ring together with the adjacent N and carbon atom, and X represents a monovalent nonmetallic atom group; and merocyanine compounds represented by formula (II): wherein A represents S atom or NR1, R1 represents an alkyl group or an aryl group, Y represents a nonmetallic atom group for forming a basic nucleus of the dye together with the adjacent A and carbon atom, X1 and X2 each independently represents a monovalent nonmetallic atom group, and X1 and X2 may be combined with each other to form the acidic nucleus of a dye. Also disclosed is a method for manufacturing a lithographic printing plate using the photosensitive composition.
    • 一种光敏组合物,其包含:二茂钛化合物; 和选自由式(I)表示的羰基化合物的至少一种染料:其中Y表示与相邻的N和碳原子一起形成含氮杂环的非金属原子,X表示一价非金属原子团; 和由式(II)表示的部花菁化合物:其中A表示S原子或NR 1,R 1表示烷基或芳基,Y表示与相邻的A和碳原子一起形成染料的碱性核的非金属原子 ,X1和X2各自独立地表示一价非金属原子,X1和X2可以相互结合形成染料的酸性核。 还公开了使用该光敏组合物制造平版印刷版的方法。
    • 5. 发明授权
    • Light-sensitive composition containing an unsaturated monomer and a
photopolymerization initiator
    • 含有不饱和单体和光聚合引发剂的感光性组合物
    • US4826753A
    • 1989-05-02
    • US92885
    • 1987-09-04
    • Tatsuji HigashiKouichi KawamuraYukio Abe
    • Tatsuji HigashiKouichi KawamuraYukio Abe
    • C08F2/50G03F7/027G03F7/029G03C1/70
    • G03F7/0295Y10S430/121
    • A light-sensitive composition containing a polymerizable compound having at least one ethylenically unsaturated group, and a photopolymerization initiator of general formula (I): ##STR1## wherein Y represents --COOR.sub.1, ##STR2## --R.sub.3 --COOR.sub.1, --R.sub.3 --CONHR.sub.1 or --NHCO--R.sub.4 (wherein R.sub.1 represents a hydrogen atom, an alkyl group, or an aryl group; R.sub.2 represents a hydrogen atom or a methyl group; R.sub.3 represents an alkylene group; R.sub.4 represents an alkyl group, an alkoxy group, an aryl group; and l and m respectively represents integers of 1 to 10.); Ar represents a phenylene, naphthylene or heterocyclic aromatic group; X represents a chlorine atom or a bromine atom; and n represents 1 or 2.The light-sensitive composition has a good stability over time since crystallization of the photopolymerization initiator on the surface of the light-sensitive layer is inhibited.
    • 含有具有至少一个烯键式不饱和基团的聚合性化合物和通式(I)的光聚合引发剂的感光性组合物:其中Y表示-COOR1,-IG3-R3-COOR1,-R3 -CONHR1或-NHCO-R4(其中R1表示氢原子,烷基或芳基; R2表示氢原子或甲基; R3表示亚烷基; R4表示烷基,烷氧基, 芳基; l和m分别表示1〜10的整数。 Ar表示亚苯基,亚萘基或杂环芳基; X表示氯原子或溴原子; 并且n表示1或2.由于光敏层的表面上的光聚合引发剂的结晶被抑制,因此光敏性组合物随着时间的推移具有良好的稳定性。
    • 6. 发明授权
    • Photosensitive lithographic printing plate requiring no fountain solution
    • 不需要润版液的感光平版印刷版
    • US5629136A
    • 1997-05-13
    • US568372
    • 1995-12-06
    • Tatsuji HigashiKoji SonokawaTsumoru Hirano
    • Tatsuji HigashiKoji SonokawaTsumoru Hirano
    • G03F7/00G03F7/075G03F7/11
    • G03F7/0752
    • A presensitized plate for use in making a lithographic printing plate requiring no fountain solution excellent in scratch resistance and press life is disclosed, which comprises support and, formed thereon in order from support, a photosensitive layer and a silicone rubber layer, wherein the silicone rubber layer is a crosslinked and cured product obtained by addition reaction of (a) polysiloxane having alkenyl groups with (b) hydrogen polysiloxane having .tbd.Si--H groups so that the number of .tbd.Si--H groups in (b) is from 11 to 30 based on the number of alkenyl groups in (a), wherein polysiloxane (a) has at least two alkenyl groups directly bonded to silicon atoms per molecule, average repeating number x of --[Si(R.sup.1)(R.sup.2)--O].sub.x -- group of 100 .ltoreq.x.ltoreq.600 (wherein R.sup.1 and R.sup.2 each represents a alkyl group, aryl group, aralkyl group, alkenyl group, polydimethylsiloxane group or halogenated hydrocarbon group, provided that 70% or more of R.sup.1 and R.sup.2 are methyl groups), and alkyl groups or alkenyl groups directly bonded to the terminal silicon atoms, and wherein the hydrogen polysiloxane (b) is formula (I):R.sup.3 --Si(R.sup.4).sub.2 --O--[SiH(R.sup.4)--O].sub.y --[Si(R.sup.4).sub.2 --O].sub.z --Si(R.sup.4).sub.2 --R.sup.3 (I)wherein R.sup.3 represents a hydrogen atom or a methyl group; R.sup.4 represents an alkyl group, an aryl group, or an aralkyl group, provided that 70% or more of R.sup.4 is a methyl group; y is from 4 to 100, and z is from 0 to 100.
    • 公开了一种用于制造不需要耐刮擦性和冲压寿命优异的润版液的平版印刷版的预敏化板,其包括载体,并且从载体上依次形成感光层和硅橡胶层,其中硅橡胶 层是通过(a)具有烯基的聚硅氧烷与(b)具有3个Si-H基团的氢聚硅氧烷的加成反应得到的交联固化物,使得(b)中的3BOND Si-H基团的数量为11〜30 基于(a)中的烯基数,其中聚硅氧烷(a)具有至少两个每分子直接与硅原子键合的烯基, - [Si(R 1)(R 2)-O] x - 基团,其中R 1和R 2各自表示烷基,芳基,芳烷基,烯基,聚二甲基硅氧烷基或卤代烃基,其中R 1和R 2的70%或更多为甲基 基团)和烷基或醇 (b)为式(I):R3-Si(R4)2-O- [SiH(R4)-O] y- [Si(R4)2) -O] z-Si(R 4)2 -R 3(I)其中R 3表示氢原子或甲基; R4表示烷基,芳基或芳烷基,条件是R4的70%以上为甲基。 y为4〜100,z为0〜100。
    • 7. 发明授权
    • PS plate for making lithographic printing plate requiring no dampening
water
    • 用于制作不需要润版水的平版印刷版的PS版
    • US5069999A
    • 1991-12-03
    • US603382
    • 1990-10-26
    • Tatsuji HigashiMitsumasa TsuchiyaNobuyuki Kita
    • Tatsuji HigashiMitsumasa TsuchiyaNobuyuki Kita
    • G03F7/00C08F2/50G03F7/075G03F7/09
    • G03F7/0752G03F7/092Y10S430/151
    • A presensitized plate for use in making a lithographic printing plate requiring no dampening water comprises a substrate provided thereon with in order: (1) a photopolymerizable light-sensitive layer which comprises a monomer or an oligomer having at least one photopolymerizable olefinically unsaturated double bond, an organic solvent-soluble polyurethane resin or polyamide resin which is solid at room temperature and has film-forming ability and a photopolymerization initiator; (2) a crosslinked silicone rubber layer; and (3) a transparent cover coat layer, wherein the photopolymerization initiator comprises dialkylaminoarylcarbonyl compounds and at least one member selected from the group consisting of xanthones, thioxanthones, acrydones, benzophenones which do not carry a dialkylamino group, benzanthrones and anthraquinones and the transparent cover coat layer is formed from a biaxially oriented polypropylene film having a thickness ranging from 6 to 22 .mu.m and an oxygen permeability ranging from 900 to 10,000 cc/m.sup.2 /24 hr./at. at 20.degree. C. The presensitized plate does not cause so-called "fogging" even when it is kept to stand under irradiation with white light rays and whose sensitivity is not adversely affected by the degree of vacuum when the plate is exposed to light with a vacuum contact printer.
    • 用于制造不需要润版水的平版印刷版的预感板包括其上依次提供的基材:(1)可光聚合的感光层,其包含具有至少一个可光聚合的烯属不饱和双键的单体或低聚物, 在室温下为固体且具有成膜能力的有机溶剂可溶性聚氨酯树脂或聚酰胺树脂,以及光聚合引发剂; (2)交联硅橡胶层; 和(3)透明覆盖层,其中光聚合引发剂包括二烷基氨基芳基羰基化合物和选自呫吨酮,噻吨酮,丙烯酸酯,不携带二烷基氨基的二苯甲酮,苯并蒽和蒽醌的至少一种,透明盖 涂层由厚度为6〜22μm,透氧度为900〜10,000cc / m 2 / 24hr / s的双轴取向聚丙烯膜形成。 即使在白光照射下保持静置时,预觉板也不会引起所谓的“起雾”,并且当板暴露于光时,其灵敏度不受真空度的不利影响。 真空接触式打印机。