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    • 1. 发明授权
    • Negative image-recording material
    • 负图像记录材料
    • US06733948B2
    • 2004-05-11
    • US09928447
    • 2001-08-14
    • Ippei NakamuraTadahiro Sorori
    • Ippei NakamuraTadahiro Sorori
    • G03C152
    • B41C1/1008B41C1/1016B41C2201/02B41C2201/14B41C2210/04B41C2210/06B41C2210/22B41C2210/24B41M5/465
    • A negative image-recording material which can be imagewise exposed to IR radiation from IR lasers and ensures direct image formation from digital data of a computer or the like. The material, when used in a lithographic printing plate, ensures good hardenability in an image area and exhibits good printing durability, even if not heated for image formation, and ensures a large number of good prints from the printing plate. The recording material contains (A) an IR absorber, (B) a radical generator having an onium salt structure, (C) a radical-polymerizing compound, and (D) a reducing additive, and this is imagewise exposed to IR radiation for image formation. Preferably, the reducing additive (D) is highly reactive with radicals and a reaction product with a radical has high reductivity. Preferred examples of the reducing additive are ether-type hydrogen donors, alcohol-type hydrogen donors, vinyl ethers and phosphine-type compounds.
    • 可以从IR激光器成像曝光到IR辐射的负图像记录材料,并确保从计算机等的数字数据直接形成图像。 该材料在平版印刷版中使用时,确保图像区域的良好的淬透性,并且即使不加热成像,也能保证印刷品的良好印刷,因此具有良好的印刷耐久性。 记录材料包含(A)IR吸收剂,(B)具有鎓盐结构的自由基发生剂,(C)自由基聚合化合物和(D)还原添加剂,并且其成像暴露于IR辐射图像 形成。 优选地,还原添加剂(D)与自由基具有高反应性,并且与基团的反应产物具有高的还原性。 还原添加剂的优选实例是醚型氢供体,醇型氢供体,乙烯基醚和膦类化合物。
    • 4. 发明授权
    • Negative image-recording material and method of image formation
    • 负图像记录材料和图像形成方法
    • US06770422B2
    • 2004-08-03
    • US09899123
    • 2001-07-06
    • Ippei NakamuraTadahiro Sorori
    • Ippei NakamuraTadahiro Sorori
    • G03F7029
    • B41C1/1008B41C1/1016B41C2201/02B41C2201/14B41C2210/04B41C2210/06B41C2210/22B41C2210/24G03F7/322Y10S430/145
    • A negative image-recording material which can be imagewise-exposed by IR radiation from IR lasers and enables direct image formation from digital data of a computer or the like. The material, when used in a lithographic printing plate, ensures good hardenability in an image area, exhibits good printing durability, even if not heated for image-formation, and ensures a large number of good prints from the printing plate. The material includes (A) an IR absorber having an oxidation potential of at most 0.35 V (vs. SCE), (B) a thermal radical generator and (C) a radical-polymerizing compound. The material is imagewise-exposed to IR radiation for image formation. Preferably, the IR absorber (A) has, in a chromophoric group, an electron-donating substituent having a Hammett's &sgr;para value of at most −0.10, and the thermal radical generator (B) is an onium salt.
    • 可以通过来自IR激光器的IR辐射成像曝光的负图像记录材料,并且能够通过计算机等的数字数据进行直接图像形成。 该材料在平版印刷版中使用时,确保图像区域的良好的淬透性,即使不进行图像形成加热也能显示出良好的印刷耐久性,并且确保了印刷版的大量良好的印刷。 该材料包括(A)具有至多0.35V(相对于SCE)的氧化电位的IR吸收剂,(B)热自由基产生剂和(C)自由基聚合化合物。 该材料成像暴露于IR辐射用于图像形成。 优选地,IR吸收剂(A)在发色基团中具有至多为-0.10的哈米特sigmapara值的给电子取代基,并且热自由基产生剂(B)为鎓盐。
    • 6. 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。
    • 8. 发明授权
    • Photopolymerizable composition for short wavelength semiconductor laser exposure
    • 用于短波长半导体激光曝光的光聚合组合物
    • US06335144B1
    • 2002-01-01
    • US09557321
    • 2000-04-25
    • Yasufumi MurotaTadahiro Sorori
    • Yasufumi MurotaTadahiro Sorori
    • G03F7027
    • G03F7/031C08F2/50G03F7/029Y10S430/114Y10S430/127
    • Disclosed is a photopolymerizable composition which comprises (i) a sensitizing dye represented by the following formula (I-1), (ii) a titanocene compound, and (iii) an addition polymerizable compound having at least one ethylenically unsaturated double bond: wherein A and B each represents —S—, NR3, or NR4; R3 and R4 each represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group; Y1 and Y2 each represents a non-metallic atomic group to form a basic nucleus of a dye together with the adjacent A or B, and the adjacent carbon atoms; R1 and R2 each represents a monovalent non-metallic atomic group, or they may be bonded to each other to form an aliphatic or aromatic ring.
    • 公开了一种可光聚合组合物,其包含(i)由下式(I-1)表示的增感染料,(ii)二茂钛化合物和(iii)具有至少一个烯键式不饱和双键的加成聚合化合物:其中A 和B各自表示-S-,NR 3或NR 4; R 3和R 4各自表示取代或未取代的烷基,或取代或未取代的芳基; Y1和Y2各自表示与相邻的A或B以及相邻碳原子一起形成染料的碱性核的非金属原子团; R1和R2各自表示一价非金属原子团,或者它们可以彼此键合以形成脂族或芳族环。
    • 9. 发明授权
    • Sensitizers for photopolymerizable compositions
    • 可光聚合组合物的敏化剂
    • US5049481A
    • 1991-09-17
    • US456968
    • 1989-12-26
    • Yasuo OkamotoTadahiro Sorori
    • Yasuo OkamotoTadahiro Sorori
    • G03F7/028C08F2/50G03F7/029G03F7/031
    • G03F7/029G03F7/031Y10S430/115Y10S430/116Y10S430/121Y10S430/123Y10S430/127Y10S430/146Y10S522/913
    • A photopolymerizable composition comprising (i) a polymerizable compound having an addition polymerizable unsaturated bond, (ii) a compound represented by formula (Ia): ##STR1## a compound represented by formula (Ib): ##STR2## or a compound represented by formula (Ic): ##STR3## wherein A represents an oxygen atom, a sulfur atom, a selenium atom, a tellurium atom, an alkyl- or aryl-substituted nitrogen atom, or a dialkyl-substituted carbon atom; Y.sup.1 represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an aralkyl group, an acyl group, an alkoxycarbonyl group, or a substituted alkoxycarbonyl group; R.sup.1 and R.sup.2 each represents a hydrogen atom, an alkyl group having from 1 to 18 carbon atoms, or an alkyl group having from 1 to 18 carbon atoms which is substituted with R.sup.3 O--, ##STR4## or a halogen atom (i.e., F, Cl, Br, and I), wherein R.sup.3 represents a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms, and B represents a dialkylamino group, a hydroxyl group, an acyloxy group, a halogen atom, or a nitro group; n represents 0 or an integer of from 1 to 4; and m represents an integer of from 1 to 20, and (iii) at least one compound selected from the group consisting of (a) a compound having a carbon-halogen bond, (b) an aromatic onium salt, (c) an organic peroxide, (d) a thio compound represented by formula (II): ##STR5## wherein R.sup.4 represents an alkyl group, an aryl group, or a substituted aryl group; and R.sup.5 represents a hydrogen atom or an alkyl group; or R.sup.4 and R.sup.5 are taken together to represent a non-metallic atom group necessary to form a 5- to 7-membered ring which may contain a hetero atom selected from oxygen, sulfur and nitrogen atoms, (e) a hexaarylbiimidazole, and (f) a ketoxime ester. The composition has high sensitivity in a broadened range of light of from the ultraviolet region to the visible region.