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公开(公告)号：US5073477A
公开(公告)日：1991-12-17
申请号：US621435
申请日：1990-12-04
申请人： Hidefumi Kusuda , Katsuji Konishi , Koichi Ueda
发明人： Hidefumi Kusuda , Katsuji Konishi , Koichi Ueda
CPC分类号： G03F7/033 , Y10S430/108 , Y10S430/111
摘要： Disclosed is a photosensitive resin composition for flexographic printing which has high water developability and good mechanical strength. The resin composition comprises (A) a partially crosslinked copolymer prepared by a radical emulsion polymerization of a specific monomer mixture (B) a linear polymer having a molecular weight of at least 5,000, which has at least 30 mol % of a conjugated diene unit, (C) a basic nitrogen atom-containing compound, (D) a photopolymerizable ethylenically unsaturated monomer, and (E) a photopolymerization inhitiator. The present invention also provides a resin plate for flexographic printing obtained from the above mentioned resin composition and a process for preparing it. The present invention further provides a printing plate obtained from the resin plate and a process for preparing it.
摘要翻译： 公开了一种用于柔性版印刷的感光性树脂组合物，其具有高水显影性和良好的机械强度。 树脂组合物包含（A）通过特定单体混合物（B）的自由基乳液聚合制备的部分交联共聚物（B）分子量至少为5,000的直链聚合物，其具有至少30mol％的共轭二烯单元， （C）含碱性氮原子的化合物，（D）可光聚合的烯属不饱和单体，和（E）光聚合吸附剂。 本发明还提供了由上述树脂组合物获得的用于柔性版印刷的树脂板及其制备方法。 本发明还提供从树脂板获得的印版及其制备方法。
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公开(公告)号：US4957850A
公开(公告)日：1990-09-18
申请号：US478562
申请日：1990-02-12
申请人： Hidefumi Kusuda , Katsuji Konishi , Kazunori Kanda
发明人： Hidefumi Kusuda , Katsuji Konishi , Kazunori Kanda
摘要： Disclosed is a photosensitive flexographic resin plate having excellent wear resistance and giving relief image faithful to a negative film. The photosensitive flexographic printing plate is composed of a base plate and a photosensitive resin layer thereon wherein said photosensitive resin layer is formed from a resin composition comprising a resin having rubber elasticity, an unsaturated monomer, a photopolymerization initiator and resin particles having an average particle size of about 0.01 to 6 micron, and when said photosensitive resin layer is cured, the cured layer has a JIS A hardness of 30.degree. to 80.degree. and an impact resilience of at least 20%.
摘要翻译： 公开了一种具有优异耐磨性的感光性柔性树脂板，并赋予消极图像忠实于负片。 感光性柔版印刷版由基板和感光性树脂层组成，其中所述感光树脂层由包含具有橡胶弹性的树脂，不饱和单体，光聚合引发剂和具有平均粒度的树脂颗粒的树脂组合物形成 为0.01〜6微米，当所述感光性树脂层固化时，固化层的JIS A硬度为30〜80度，冲击弹性为20％以上。
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3.发明授权
公开(公告)号：US5175076A
公开(公告)日：1992-12-29
申请号：US805671
申请日：1991-12-17
IPC分类号： G03F7/033
CPC分类号： G03F7/033 , Y10S430/111 , Y10S430/12 , Y10S430/121
摘要： A water-developable photosensitive resin plate suitable for the manufacture of a relief printing plate having high resistance to water-based inks, high resilience and excellent form stability, which comprises:(A) a copolymer comprising units of (i) an aliphatic conjugated diene monomer (ii) and .alpha., .beta.-ethylenically unsaturated carboxylic acid and (iii) a polyfunctional vinyl monomer, optionally with (iv) a monofunctional vinyl monomer, the content of the aliphatic conjugated diene monomer (i), the .alpha., .beta.-ethylenically unsaturated carboxylic acid (ii), the polyfunctional vinyl monomer (iii) and the monofunctional vinyl monomer (iv) being respectively from about 5 to 95 mol %, from about 1 to 30 mol %, from about 0.1 to 10 mol % and 0 to 70 mol % based on the combination of those monomeric components;(B) a basic nitrogen atom-containing compound;(C) an ethylenically unsaturated monomer; and(D) a photopolymerization initiator.
摘要翻译： PCT No.PCT / US87 / 02372 Sec。 371日期1990年7月12日 102（e）日期1990年7月12日PCT提交1987年9月22日PCT公布。 出版物WO88 / 02135 日本，1988年3月24日。适用于制造具有高耐水性油墨，高回弹性和优异形状稳定性的凸版印刷版的水显影感光性树脂板，其包含：（A）包含 （i）脂族共轭二烯单体（ii）和α，β-烯属不饱和羧酸和（iii）多官能乙烯基单体，任选具有（iv）单官能乙烯基单体，脂族共轭二烯单体（i） ，α，β-烯属不饱和羧酸（ii），多官能乙烯基单体（iii）和单官能乙烯基单体（iv）分别为约5至95摩尔％，约1至30摩尔％，约0.1 〜10摩尔％，0〜70摩尔％。 （B）含碱性氮原子的化合物; （C）烯属不饱和单体; 和（D）光聚合引发剂。
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公开(公告)号：US5254437A
公开(公告)日：1993-10-19
申请号：US15049
申请日：1993-02-08
申请人： Koichi Ueda , Katsuji Konishi , Kazunori Kanda
发明人： Koichi Ueda , Katsuji Konishi , Kazunori Kanda
CPC分类号： G03F7/115 , Y10S430/118 , Y10S430/119 , Y10S430/151
摘要： Disclosed is a photosensitive resin plate which effectively prevents dot gain by covering the photosensitive resin layer with a specific matte layer. The photosensitive resin plate comprises a substrate, a photosensitive resin layer formed on the substrate and a resin matte layer formed on the photosensitive resin layer, wherein the resin matte layer contains a polymerization inhibiting material.
摘要翻译： 公开了通过用特定的无光泽层覆盖感光性树脂层来有效地防止点增益的感光性树脂板。 感光性树脂板包括基板，形成在基板上的感光性树脂层和形成在感光性树脂层上的树脂遮光层，其中，树脂遮光层含有聚合抑制材料。
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公开(公告)号：US5330882A
公开(公告)日：1994-07-19
申请号：US709964
申请日：1991-06-04
CPC分类号： G03F7/2022 , Y10S522/913
摘要： The present invention provides an improved process by which dissolved oxygen is effectively removed from a photosensitive resin layer of a photosensitive resin plate. The process comprises preliminarily exposing the photosensitive resin to light to quench oxygen dissolved in said photosensitive resin layer before conducting a main exposure. The photosensitive resin layer is prepared from a photosensitive resin composition which comprises:(a) a polymer binder,(b) a radically polymerizable monomer,(c) a sensitizing dye, and(d) a photopolymerization initiator which is excited by a light of a different wave length from a light exciting the sensitizing dye.The preliminary exposure is conducted with a light only exciting the sensitizing dye and the main exposure is conducted with a light exciting the photopolymerization initiator.
摘要翻译： 本发明提供了一种改进的方法，通过该方法可以有效地从感光性树脂板的感光性树脂层除去溶解氧。 该方法包括在进行主曝光之前，将感光性树脂预先曝光，以使溶解在所述感光性树脂层中的氧气骤冷。 感光性树脂层由感光性树脂组合物制成，该感光性树脂组合物包含：（a）聚合物粘合剂，（b）自由基聚合性单体，（c）敏化染料，（d）光聚合引发剂， 来自激发敏化染料的光的不同波长。 用仅激发敏化染料的光进行初步曝光，并且通过光激发光聚合引发剂进行主曝光。
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6.发明授权Photosensitive composition for offset printing comprising a binder, a photosensitive substance and a microgel made from an acrylic resin having carboxyl groups as the emulsifier 失效用于胶印的感光组合物包括粘合剂，感光物质和由具有羧基作为乳化剂的丙烯酸树脂制成的微凝胶
公开(公告)号：US5393637A
公开(公告)日：1995-02-28
申请号：US843851
申请日：1992-02-28
IPC分类号： G03F7/00 , C08L25/08 , C08L33/00 , C08L61/06 , G03F7/004 , G03F7/021 , G03F7/023 , G03F7/027 , G03F7/033 , G03C1/72
摘要： Disclosed is a photosensitive composition used for offset printing, which provides an offset printing plate with excellent durability and developability. The photosensitive composition comprises:(I) a film-forming binder resin,(II) a photosensitive substance, and(III) a microgel having a particle size of 0.01 to2.0 .mu. prepared by emulsion polymerization using a polymeric emulsifier having an Sp value of 9 to 16.
摘要翻译： 公开了用于胶版印刷的光敏组合物，其提供了具有优异的耐久性和显影性的胶版印刷版。 感光组合物包括：（I）成膜粘合剂树脂，（II）感光性物质，和（III）通过乳液聚合制备的粒径为0.01〜2.0μm的微粒凝胶，其使用具有Sp值为 9至16。
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7.发明授权Alkali developable photosensitive resin composition containing oil-soluble diazo resin 失效含有油溶性重氮树脂的碱显影性感光性树脂组合物
公开(公告)号：US5397675A
公开(公告)日：1995-03-14
申请号：US99452
申请日：1993-07-30
CPC分类号： G03F7/021 , Y10S430/127 , Y10S430/148
摘要： The present invention provides a photosensitive resin composition for lithographic printing, which is developable with an alkali developer and exhibits excellent resolusion and excellent print durability. The photosensitive resin composition comprises (a) an alkali-swellable or alkali-soluble binder resin and (b) an oil-soluble diazo resin, wherein the binder resin has an acid value of 5 to 150 and has in molecules a group represented by ##STR1## wherein R.sup.1 represents a phenyl group which may have a substitution, R.sup.2 and R.sup.3, the same or different, represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R.sup.4 represents an alkylene group of which a backbone may be interrupted with an oxygen atom, a cycloalkylene group or a combination thereof, and may have thereon an alkyl group, a hydroxyl group, an oxo (.dbd.O) group or a combination thereof, and a and b independently shows 0 or 1.
摘要翻译： 本发明提供一种用于平版印刷的感光性树脂组合物，其可用碱性显影剂显影，显示出优异的分辨率和优异的印刷耐久性。 感光性树脂组合物包含（a）碱溶胀性或碱溶性粘合剂树脂和（b）油溶性重氮树脂，其中粘合剂树脂的酸值为5〜150， IMAGE> [1]其中R1表示可以具有取代基的苯基，R2和R3相同或不同，表示氢原子或具有1至4个碳原子的烷基，R4表示其主链的亚烷基 可以被氧原子，亚环烷基或其组合中断，并且其上可以具有烷基，羟基，氧代（= O）基团或其组合，a和b独立地表示0或1。
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