公开(公告)号：US4837131A

公开(公告)日：1989-06-06

申请号：US875480

申请日：1986-06-18

申请人： Kesanao Kobayashi ,  Hisao Ohba ,  Tadao Toyama

发明人： Kesanao Kobayashi ,  Hisao Ohba ,  Tadao Toyama

IPC分类号： G03F7/30

CPC分类号： G03F7/3042

摘要： This invention provides a developing method for photosensitive materials, in particlar for a positive photosensitive lithographic printing plate, which enables an efficient development with minimum consumption of the developing liquid. The developing method of the present invention comprises the steps of: conducting a preparatory development by applying a developing liquid to an exposed photosensitive layer of a photosensitive material, the developing liquid being supplied in an amount of necessary for each developing cycle; removing the developing liquid; discarding the developing liquid; and again applying a developing liquid to the photosensitive material to complete the development.

摘要翻译： 本发明提供了一种用于光敏材料的显影方法，特别是用于正性光敏平版印刷版，其能够以最少的显影液消耗量进行有效发展。 本发明的显影方法包括以下步骤：通过将显影液施加到感光材料的曝光感光层来进行预备显影，所述显影液以每个显影循环所需的量供应; 去除显影液; 丢弃显影液体; 并再次将显影液体施加到感光材料上以完成显影。

公开(公告)号：US4687727A

公开(公告)日：1987-08-18

申请号：US774165

申请日：1985-09-09

申请人： Tadao Toyama ,  Kesanao Kobayashi ,  Mitsuru Koike ,  Koji Tamoto

发明人： Tadao Toyama ,  Kesanao Kobayashi ,  Mitsuru Koike ,  Koji Tamoto

IPC分类号： G03F7/004 ,  G03F7/021 ,  G03F7/027 ,  G03F7/033 ,  G03F7/038 ,  G03F7/095 ,  G03C1/60 ,  G03C1/68

CPC分类号： G03F7/033 ,  G03F7/0955

摘要： A light-sensitive planographic printing plate comprising a layer of a photo-polymerizable composition provided on at least one side of a base, wherein said photo-polymerizable composition comprises:(A) a polymer having at least one group represented by the general formula (I) ##STR1## wherein R.sub.1 to R.sub.5 each represent a member selected from the group consisting of a hydrogen atom, a halgen atom, a carboxyl group, a sulfo group, a nitro group, a cyano group, an amido group, an amino group and a substituted or unsubstituted alkyl group, aryl group, alkoxy gruop, aryloxy group, alkylamino group, arylamino group, alkylsulfonyl group and arylsulfonyl group and Z represents an oxygen atom, a sulfur atom, NH or NR, wherein R represents an alkyl group; and a carboxyl group on the side chain;(B) a monomer or oligomer having at least two polymerizable ethylenically unsaturated double bonds;(C) a photo-polymerization initiator, and(D) a diazo resin.

摘要翻译： 一种感光平版印刷版，其包含设置在基材的至少一侧上的可光聚合组合物层，其中所述光聚合性组合物包含：（A）具有至少一个由通式（ I）其中R 1〜R 5各自表示选自氢原子，卤原子，羧基，磺基，硝基，氰基，酰氨基， 氨基和取代或未取代的烷基，芳基，烷氧基，芳氧基，烷基氨基，芳基氨基，烷基磺酰基和芳基磺酰基，Z表示氧原子，硫原子，NH或NR，其中R表示 烷基; 和侧链上的羧基; （B）具有至少两个可聚合的烯属不饱和双键的单体或低聚物; （C）光聚合引发剂，（D）重氮树脂。

公开(公告)号：US4731119A

公开(公告)日：1988-03-15

申请号：US881272

申请日：1986-07-02

申请人： Tadao Toyama ,  Kesanao Kobayashi

发明人： Tadao Toyama ,  Kesanao Kobayashi

IPC分类号： B41N3/00 ,  B41N3/08 ,  C08B31/12 ,  C09D5/20 ,  C08L3/00 ,  G03F7/00

CPC分类号： B41N3/08 ,  C08B31/12

摘要： A desensitizing gum containing water-soluble carboxy alkylated starch wherein the carboxy alkyl group number of said carboxy alkylated starch is from 0.03 to 0.5. The desensitizing gum has desensitizing ability comparable to gum arabic.

摘要翻译： 一种含有水溶性羧基烷基化淀粉的脱敏胶，其中所述羧基烷基化淀粉的羧基烷基数为0.03-0.5。 脱敏胶具有与阿拉伯树胶相当的脱敏能力。

公开(公告)号：US4573782A

公开(公告)日：1986-03-04

申请号：US444142

申请日：1982-11-24

申请人： Kesanao Kobayashi ,  Tadao Toyama ,  Susumu Yoshida

发明人： Kesanao Kobayashi ,  Tadao Toyama ,  Susumu Yoshida

IPC分类号： G03D13/00 ,  G03F7/26 ,  G03F7/30 ,  G03F7/38 ,  G03D3/08

CPC分类号： G03F7/38

摘要： A method for forming an image on a light-sensitive material with a light-sensitive layer composed of a photopolymerizable composition, and an apparatus for carrying out the method are described. This method comprises exposing imagewise, heating, and developing a number of light-sensitive materials while the time interval between the heating and developing steps is maintained at a definite level. Changes in sensitivity of the light sensitive material are prevented and images of high sensitivity are obtained.

摘要翻译： 描述了在具有由光聚合组合物构成的感光层的感光材料上形成图像的方法和用于实施该方法的装置。 该方法包括在加热和显影步骤之间的时间间隔保持在一定水平的同时曝光成像，加热和显影许多感光材料。 防止感光材料的灵敏度变化，并获得高灵敏度的图像。

公开(公告)号：US4511645A

公开(公告)日：1985-04-16

申请号：US530821

申请日：1983-09-09

申请人： Mitsuru Koike ,  Kesanao Kobayashi ,  Tadao Toyama ,  Hiroshi Misu ,  Koji Tamoto ,  Masayuki Iwasaki

发明人： Mitsuru Koike ,  Kesanao Kobayashi ,  Tadao Toyama ,  Hiroshi Misu ,  Koji Tamoto ,  Masayuki Iwasaki

IPC分类号： G03F7/004 ,  C08F265/04 ,  G03F7/00 ,  G03F7/029 ,  G03F7/032 ,  G03F7/033 ,  G03F7/038 ,  G03C1/94 ,  G03C1/68

CPC分类号： C08F265/04 ,  G03F7/032 ,  G03F7/0295 ,  Y10S430/111 ,  Y10S430/128

摘要： A presensitized printing plate which has a photopolymerizing composition layer provided on at least one side of a support, with the photopolymerizing composition being constituted with (A) a polymer containing in its side chains groups represented by the following general formula (I) and carboxylic groups: ##STR1## (wherein R.sub.1 to R.sub.5 each represents a hydrogen atom, a halogeno group, a carboxyl group, a sulfo group, a nitro group, a cyano group, and amido group, an amino group, or an unsubstituted or a substituted alkyl, aryl, alkoxy, aryloxy, alkylamino, arylamino, alkylsulfonyl or arylsulfonyl group; and Z represents an oxygen atom, a sulfur atom, --NH-- or --NR-- (R=alkyl)), (B) a monomer or an olygomer having at least two polymerizable ethylenically unsaturated double bonds, and (C) a photopolymerization initiator.

摘要翻译： 一种具有光聚合组合物层的预敏印刷版，其中所述光聚合组合物层设置在载体的至少一侧上，所述光聚合组合物由（A）含有由下列通式（I）表示的侧链基团的聚合物和羧基组成 ：其中，R 1〜R 5各自表示氢原子，卤代基，羧基，磺基，硝基，氰基，酰胺基，氨基或未取代的或未取代的 取代的烷基，芳基，烷氧基，芳氧基，烷基氨基，芳基氨基，烷基磺酰基或芳基磺酰基; Z表示氧原子，硫原子，-NH-或-NR-（R =烷基）），（B）单体或 具有至少两个可聚合的烯键式不饱和双键的共聚物，和（C）光聚合引发剂。

公开(公告)号：US4880724A

公开(公告)日：1989-11-14

申请号：US136952

申请日：1987-12-23

申请人： Tadao Toyama ,  Hisao Ohba ,  Kenji Kunichika

发明人： Tadao Toyama ,  Hisao Ohba ,  Kenji Kunichika

IPC分类号： G03F7/00 ,  G03F7/30 ,  G03F7/32

CPC分类号： G03F7/322

摘要： Disclosed is a method for the manufacture of a lithographic printing plate where a photosensitive lithographic printing plate precursor is imagewise exposed, a determined about of a developer is supplied to the exposed surface and the developer is the disposed of. A surfactant is added to the developer so that the surface tension of the developer is about 50 dyne/cm or less at 25.degree. C. By the addition of the surfactant, a stable and economical development of an exposed plate is possible with a small amount of the surfactant-containing developer.

公开(公告)号：US5464724A

公开(公告)日：1995-11-07

申请号：US91358

申请日：1993-07-15

申请人： Keiji Akiyama ,  Noriaki Watanabe ,  Hisashi Hotta ,  Tadao Toyama ,  Nobuyuki Nishimiya

发明人： Keiji Akiyama ,  Noriaki Watanabe ,  Hisashi Hotta ,  Tadao Toyama ,  Nobuyuki Nishimiya

IPC分类号： G03F7/00 ,  B41N1/08 ,  B41N3/03 ,  G03F7/09 ,  G03F7/11 ,  G03F7/30 ,  G03F7/32 ,  G03C1/77

CPC分类号： B41N1/083 ,  B41N3/03

摘要： A PS plate comprises an aluminum substrate having anodized layers on both sides, a photosensitive layer on one side of the substrate and a coating layer of a metal oxide obtained by hydrolyzing and polycondensing an organic or inorganic metal compound on the side of the substrate opposite to that carrying the photosensitive layer. The PS plate is processed by a method comprising the steps of imagewise exposing it to light and then developing the imagewise exposed plate with an alkali aqueous solution containing an alkali metal silicate and having a pH of not less than 12. The PS plate and the method for processing the same permit substantial reduction of the amount of a replenisher for development to be supplemented and ensure a stable processing of the plate over a long time period without accompanying formation of insolubles in a developer. The PS plates never cause adhesion and peeling off of the photosensitive layers even when they are put in stacks. Moreover, the PS plate does not suffer from a problem of contamination of the back face due to adhesion of lipophilic substances such as a developing ink.

摘要翻译： PS板包括铝基板，其两侧具有阳极化层，在基板的一侧上的感光层和金属氧化物的涂层，所述金属氧化物通过将有机或无机金属化合物水解和缩聚在与基板相对的一侧上的有机或无机金属化合物 携带感光层。 PS板通过包括以下步骤的方法进行处理：将成像曝光到光，然后用含有碱金属硅酸盐的碱性水溶液显影成像曝光的平板，并且pH值不小于12.P板和方法 为了加工相同的许可证，可显着减少用于补充的补充剂的量，并确保板在长时间内的稳定加工，而不伴随在显影剂中形成不溶物。 即使将它们放入堆叠中，PS板也不会引起感光层的粘附和剥离。 此外，PS板不会由于诸如显影油墨等亲油性物质的粘附而遭受背面污染的问题。

公开(公告)号：US5230988A

公开(公告)日：1993-07-27

申请号：US848854

申请日：1992-03-10

申请人： Keiji Akiyama ,  Tadao Toyama

发明人： Keiji Akiyama ,  Tadao Toyama

IPC分类号： B41N3/03 ,  G03F7/32

CPC分类号： B41N3/038 ,  G03F7/322

摘要： A method of making a lithographic printing plate comprises the steps of imagewise exposing to light a presensitized plate which comprises a hydrophilized substrate provided thereon with an organic layer comprising at least one compound selected from the group consisting of substituted or unsubstituted aliphatic or aromatic compounds represented by the following general formula:R.sup.1 (PO(OH.sub.2).sub.n (I) orR.sup.1 (PO(OH)(R.sup.2)).sub.n (II)wherein n is 1 or 2, if n is 1, R.sup.1 and R.sup.2 each represents a substituted or unsubstituted alkyl, alkoxy, aryloxy, aryl, acyl or acyloxy group and if n is 2, R.sup.1 represents a substituted or unsubstituted alkylene or arylene group and R.sup.2 is the same as that defined above, and a positive-working light-sensitive layer comprising an o-quinondiazide compound and developing the exposed plate with an aqueous solution which contains at least one compound selected from the group consisting of alkali metal salts and ammonium salts of inorganic acids other than silicic acid, alkali metal hydroxides, ammonium hydroxide and water-soluble organic amine compounds. This method can provide a lithographic printing plate having good resistance to contamination and high printing durability. Further, even if developing treatment is performed for a long time with an automatic developing machine in this method, deposits and sludge are not produced.

公开(公告)号：US5002857A

公开(公告)日：1991-03-26

申请号：US365728

申请日：1989-06-14

申请人： Tadao Toyama ,  Hiroshi Matsumoto ,  Kenji Kunichika

发明人： Tadao Toyama ,  Hiroshi Matsumoto ,  Kenji Kunichika

IPC分类号： G03F7/40 ,  G03F7/30 ,  G03F7/32

CPC分类号： G03F7/30

摘要： A method for manufacturing lithographic printing plates which comprises developing a presensitized plate for use in making lithographic printing plates imagewise opposed to light with an alkaline developer utilizing an automatic developing machine and then treating the developed presensitized plate with a finisher, wherein an initial pH of the finisher ranges from 2 to 8 and a pH of the finisher is controlled during running in proportion to concentration of the developer included in the finisher. The method makes it possible to prevent the formation of gel-like insoluble matters in the bath for treatment with the finisher due to the presence of the developer carried over from a developing bath and to stably process a large amount of lithographic printing plates over a long time period.

公开(公告)号：US4719172A

公开(公告)日：1988-01-12

申请号：US882514

申请日：1986-07-07

申请人： Hiroshi Matsumoto ,  Tadao Toyama

发明人： Hiroshi Matsumoto ,  Tadao Toyama

IPC分类号： B41N3/00 ,  B41N3/08 ,  F21V7/00

CPC分类号： B41N3/08

摘要： A desensitizing gum comprising an aqueous solution containing at least one of film-forming starches modified with phosphoric acid or its derivatives. The desensitizing gum has good desensitizing ability and can easily be removed from a printing plate finished therewith after prolonged storage.

摘要翻译： 一种脱敏胶，其包含含有用磷酸或其衍生物改性的成膜淀粉中的至少一种的水溶液。 脱敏胶具有良好的脱敏能力，并且可以在长时间储存​​后从其完成的印版中容易地除去。