JPH0225498B2 - - Google Patents
Info
- Publication number
- JPH0225498B2 JPH0225498B2 JP56179706A JP17970681A JPH0225498B2 JP H0225498 B2 JPH0225498 B2 JP H0225498B2 JP 56179706 A JP56179706 A JP 56179706A JP 17970681 A JP17970681 A JP 17970681A JP H0225498 B2 JPH0225498 B2 JP H0225498B2
- Authority
- JP
- Japan
- Prior art keywords
- silicone rubber
- rubber layer
- printing plate
- photosensitive
- lithographic printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920002379 silicone rubber Polymers 0.000 claims description 36
- 239000004945 silicone rubber Substances 0.000 claims description 33
- 238000007639 printing Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000002243 precursor Substances 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 10
- -1 polysiloxane Polymers 0.000 description 8
- 229920001296 polysiloxane Polymers 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 125000005439 maleimidyl group Chemical group C1(C=CC(N1*)=O)=O 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- ISKQADXMHQSTHK-UHFFFAOYSA-N [4-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CN)C=C1 ISKQADXMHQSTHK-UHFFFAOYSA-N 0.000 description 1
- KXJLGCBCRCSXQF-UHFFFAOYSA-N [diacetyloxy(ethyl)silyl] acetate Chemical compound CC(=O)O[Si](CC)(OC(C)=O)OC(C)=O KXJLGCBCRCSXQF-UHFFFAOYSA-N 0.000 description 1
- BTHCBXJLLCHNMS-UHFFFAOYSA-N acetyloxysilicon Chemical compound CC(=O)O[Si] BTHCBXJLLCHNMS-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 description 1
- IVRMZWNICZWHMI-UHFFFAOYSA-N azide group Chemical group [N-]=[N+]=[N-] IVRMZWNICZWHMI-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N cinnamic acid group Chemical group C(C=CC1=CC=CC=C1)(=O)O WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 238000013035 low temperature curing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0752—Silicon-containing compounds in non photosensitive layers or as additives, e.g. for dry lithography
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Description
【発明の詳細な説明】
本発明はインキ反撥性の向上した湿し水不要平
版印刷版を与える湿し水不要平版印刷版原板に関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lithographic printing plate precursor that does not require dampening water and provides a lithographic printing plate that does not require dampening water and has improved ink repellency.
基体に裏打ちされた感光性シリコーンゴム層を
有する湿し水不要平版印刷版原板は、既に数多く
提案されている（例えば、特公昭54−29126、特
公昭52−35719など）。ここに提案された感光性シ
リコーンゴム層を有する湿し水不要平版印刷版原
板は、通常活性光線で画像露光された後、感光性
シリコーンゴム層の少なくとも一部を溶解するよ
うな現像液を用いて現像し、画線部の感光性シリ
コーンゴム層を除去し基体を露出せしめることに
より湿し水不要平版印刷版を得ている。ところが
このようにして得られる印刷版において、インキ
反撥層を形成する感光性シリコーンゴムは感光性
を付与するためにシリコーン化合物以外の種々の
感光性を有する化合物を化学結合せしめるかある
いは混合する結果、シリコーンゴムのインキ反撥
性が低下してしまう。従つて、本来インキ反撥性
であるべきシリコーンゴム層にインキが付着して
たとえば、地汚れを起しやすいという湿し水不要
平版印刷版としては、致命的な問題点があつた。 Many lithographic printing plate precursors that do not require dampening water and have a photosensitive silicone rubber layer backed by a substrate have already been proposed (for example, Japanese Patent Publication No. 54-29126, Japanese Patent Publication No. 52-35719, etc.). The lithographic printing plate precursor that does not require dampening water and has a photosensitive silicone rubber layer proposed here is usually image-wise exposed to actinic light and then processed using a developer that dissolves at least a portion of the photosensitive silicone rubber layer. The photosensitive silicone rubber layer in the image area is removed to expose the substrate, thereby obtaining a lithographic printing plate that does not require dampening water. However, in the printing plate obtained in this way, the photosensitive silicone rubber forming the ink repellent layer is chemically bonded or mixed with various photosensitive compounds other than silicone compounds in order to impart photosensitivity. The ink repellency of silicone rubber decreases. Therefore, there is a fatal problem in a lithographic printing plate that does not require dampening water, in that ink adheres to the silicone rubber layer, which should originally be ink-repellent, and tends to cause scumming, for example.
本発明者らは、かかる問題点を解決してインキ
反撥性のすぐれた湿し水不要平版印刷版を与える
印刷版原板について鋭意検討した結果、以下に述
べる本発明に到達した。 The present inventors have conducted extensive studies on a printing plate precursor that solves these problems and provides a lithographic printing plate with excellent ink repellency that does not require dampening water, and as a result, has arrived at the present invention described below.
すなわち本発明は、基体に裏打ちされた感光性
シリコーンゴム層を有する湿し水不要平版印刷版
原板において、感光性シリコーンゴム層上にさら
にシリコーンゴム層を設けたことを特徴とする湿
し水不要平版印刷原板に関するものである。 That is, the present invention provides a dampening water-free lithographic printing plate precursor having a photosensitive silicone rubber layer lined on a substrate, which is characterized in that a silicone rubber layer is further provided on the photosensitive silicone rubber layer. This relates to lithographic printing plates.
本発明の印刷版原板の基体としては、厚さが約
10μ〜２mm、好ましくは約50μ〜500μの紙、プラ
スチツクフイルムもしくはシート、ゴムなどの弾
性体シート、アルミなどの金属板あるいはそれら
に種々の表面処理を施したものなどが適している
が、シリンダー状の基体を用いてもよい。また基
体は複合体でも使用することができる。 The substrate of the printing plate precursor of the present invention has a thickness of approximately
Paper, plastic films or sheets, elastic sheets such as rubber, metal plates such as aluminum, or those with various surface treatments are suitable, but cylindrical may be used. The substrate can also be used in composites.
本発明に用いられる感光性シリコーンゴムは、
有機ポリシロキサン化合物と公知の感光性を有す
る化合物（たとえば（メタ）アクリロイル基、ケ
イ皮酸基、アジド基、置換マレイミド基などを有
する化合物）とを化学反応せしめるか、または混
合することにより得ることができる。 The photosensitive silicone rubber used in the present invention is
Obtained by chemically reacting or mixing an organic polysiloxane compound and a known photosensitive compound (for example, a compound having a (meth)acryloyl group, a cinnamic acid group, an azide group, a substituted maleimide group, etc.) Can be done.
また本発明の感光性シリコーンゴム層の厚みは
約0.4〜20μ、好ましくは約0.8〜5μである。 Further, the thickness of the photosensitive silicone rubber layer of the present invention is about 0.4 to 20μ, preferably about 0.8 to 5μ.
本発明の感光性シリコーンゴム層上に設けるシ
リコーンゴム層としては、厚さが約0.1〜50μ、好
ましくは約0.5〜10μで、公知の室温硬化型あるい
は低温硬化型といわれるシリコーンゴムが好適で
ある。これらのシリコーンゴムは次のくり返し単
位を有する線状有機ポリシロキサンを主成分とす
るものでこれらは感光性を有していない。 The silicone rubber layer provided on the photosensitive silicone rubber layer of the present invention has a thickness of about 0.1 to 50 μm, preferably about 0.5 to 10 μm, and is preferably a known room temperature curing type or low temperature curing type silicone rubber. . These silicone rubbers are mainly composed of linear organic polysiloxanes having the following repeating units and are not photosensitive.
ここでｎは１以上の整数、Ｒは炭素数１〜10の
アルキル基、アルケニル基あるいはフエニル基で
ある。 Here, n is an integer of 1 or more, and R is an alkyl group, alkenyl group, or phenyl group having 1 to 10 carbon atoms.
この線状有機ポリシロキサンには通常架橋剤が
添加される。架橋剤としては、いわゆる室温（低
温）硬化型のシリコーンゴムに使われるものとし
て、アセトキシシラン、ケトオキシムシラン、ア
ルコキシシラン、アミノシラン、アミドシランな
どがあり、通常線状有機ポリシロキサンとして末
端が水酸基であるものとくみ合わせて、各々脱酢
酸型、脱オキシム型、脱アルコール型、脱アミン
型、脱アミド型のシリコーンゴムとなる。これら
のシリコーンゴムには、触媒として少量の有機ス
ズ化合物等が添加されるのが一般的である。 A crosslinking agent is usually added to this linear organic polysiloxane. Crosslinking agents used in so-called room temperature (low temperature) curing silicone rubber include acetoxysilane, ketoxime silane, alkoxysilane, aminosilane, amidosilane, etc., and are usually linear organic polysiloxanes with hydroxyl groups at the ends. When combined, they become deaceticated, oxime-free, alcohol-dealt, deamined, and deamidated silicone rubbers. A small amount of an organic tin compound or the like is generally added to these silicone rubbers as a catalyst.
以上説明したような本発明にもとづく湿し水不
要の平版印刷版原板は、例えば次のようにして製
造される。まず基体のうえに、リバースロールコ
ータ、エアーナイフコータ、メーヤバーコータな
どの通常のコータあるいはホエラーのような回転
塗布装置を用い感光性シリコーンゴム層を構成す
べき組成物溶液を塗布、乾燥および必要に応じて
熱キユア後、シリコーンゴム前駆体溶液を同様の
方法で塗布し、必要に応じて100〜120℃の温度で
数分間熱処理して、十分に硬化せしめてシリコー
ンゴム層を形成する。必要ならば、保護フイルム
を該シリコーンゴム層上にラミネーター等を用い
カバーすることにより作製される。 The lithographic printing plate blank that does not require dampening water and is based on the present invention as described above is manufactured, for example, as follows. First, a composition solution to form a photosensitive silicone rubber layer is applied onto the substrate using a conventional coater such as a reverse roll coater, an air knife coater, or a Meyer bar coater, or a rotary coater such as a Whaler, and then dried and coated as necessary. After heat curing, a silicone rubber precursor solution is applied in a similar manner, and if necessary, heat treated at a temperature of 100 to 120°C for several minutes to fully cure and form a silicone rubber layer. If necessary, a protective film is produced by covering the silicone rubber layer with a laminator or the like.
ここで用いられる保護フイルムとしては、厚さ
が約2μ〜２mm、好ましくは約5μ〜100μのポリエ
チレン、ポリプロピレン、ポリ塩化ビニル、ポリ
塩化ビニリデン、ポリビニルアルコール、ポリエ
チレンテレフタレート、セロフアン、ABS、ポ
リスチレン、ポリアミドなどのプラスチツクフイ
ルムが適当であるが、金属板、紙あるいは合成紙
などを用いてもよい。 The protective film used here is made of polyethylene, polypropylene, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polyethylene terephthalate, cellophane, ABS, polystyrene, polyamide, etc. with a thickness of about 2 μ to 2 mm, preferably about 5 μ to 100 μ. Plastic film is suitable, but metal plates, paper, synthetic paper, etc. may also be used.
また、あらかじめ保護フイルム上にシリコーン
ゴム層を設けておき、基体上に設けられた感光性
シリコーンゴム層の上に、該保護フイルム上のシ
リコーンゴム層を圧着することによつても作製す
ることが可能である。 It can also be produced by providing a silicone rubber layer on a protective film in advance and pressing the silicone rubber layer on the protective film onto the photosensitive silicone rubber layer provided on the substrate. It is possible.
このようにして得られた湿し水不要平版印刷版
原板を製版することによつて、インキ反撥性に優
れた印刷版となる。製版方法としては活性光線に
より画像露光を施した後、画像部の感光性シリコ
ーンゴム層とその上に設けられたシリコーンゴム
層とを同時に現像除去することによつて印刷版が
得られる。現像の際に用いられる溶剤としては、
トルエン、キシレン、メチルエチルケトン、トリ
クロロエチレンなど、芳香族炭化水素系、塩素化
炭化水素系、アルコール系、エステル系あるいは
ケトン系などの溶剤を単独もしくは混合して使用
することができる。 By making a plate from the thus obtained lithographic printing plate precursor that does not require dampening water, a printing plate with excellent ink repellency can be obtained. As for the plate-making method, a printing plate is obtained by performing imagewise exposure to actinic rays and then simultaneously developing and removing the photosensitive silicone rubber layer in the image area and the silicone rubber layer provided thereon. The solvent used during development is
Aromatic hydrocarbon-based, chlorinated hydrocarbon-based, alcohol-based, ester-based, or ketone-based solvents such as toluene, xylene, methyl ethyl ketone, and trichloroethylene can be used alone or in combination.
本発明の湿し水不要平版印刷版原板から製版さ
れた印刷版の特徴としては、少なくとも次の２点
を挙げることができる。 The printing plate made from the dampening water-free lithographic printing plate precursor of the present invention has at least the following two features.
(1) 公知の感光性シリコーンゴム層を非画線部と
する湿し水不要平版印刷版に比較して、インキ
反撥性が向上している（地汚れが生じにくい）。(1) Compared to known lithographic printing plates that do not require dampening water and have a photosensitive silicone rubber layer in the non-image area, ink repellency is improved (less likely to cause scumming).
(2) 基体に裏打ちされた感光層の上に非感光性の
シリコーンゴム層を設けてなる湿し水不要平版
印刷版に比較して、現像性が極めて良好であ
る。(2) Developability is extremely good compared to a lithographic printing plate that does not require dampening water and is formed by providing a non-photosensitive silicone rubber layer on a photosensitive layer backed by a substrate.
以下実施例により本発明をさらに詳しく説明す
る。 The present invention will be explained in more detail with reference to Examples below.
実施例１、比較例１
(1) 住友軽金属(株)製の化成処理アルミ板（厚み
0.3mm）に下記の構造を有するマレイミド基含
有オルガノポリシロキサンからなる感光性シリ
コーンゴム層を乾燥膜厚が3.0ｇ／cm2となるよ
うに設け湿し水不要平版印刷版原板Ａを作製し
た。Example 1, Comparative Example 1 (1) Chemically treated aluminum plate manufactured by Sumitomo Light Metal Co., Ltd. (thickness
A photosensitive silicone rubber layer made of a maleimide group-containing organopolysiloxane having the following structure was provided on the substrate (0.3 mm) so that the dry film thickness was 3.0 g/cm 2 to prepare a lithographic printing plate precursor A that did not require dampening water.
(2) 一方、(1)と同じアルミ板に上記と同様にして
同組成の感光性シリコーンを乾燥膜厚が2.8
ｇ／cm2となるように設けた後、更にこのシリコ
ーンゴム層の上に、下記の組成のシリコーンゴ
ム層を膜厚が0.2ｇ／cm2となるように設け湿し
水不要平版印刷原板Ｂを作製した。 (2) On the other hand, photosensitive silicone of the same composition was applied to the same aluminum plate as in (1) in the same manner as above until the dry film thickness was 2.8.
g/cm 2 , and then on top of this silicone rubber layer, a silicone rubber layer having the following composition was further provided so that the film thickness was 0.2 g/cm 2 . was created.
(a) ジメチルポリシロキサン（分子量30000、
両末端OH基） 100部
(b) エチルトリアセトキシシラン ６部
(c) ジブチル錫ジアセテート 0.3部
次いで上記ＡおよびＢの湿し水不要平版印刷
原板に画像露光を施し、キシレンを用いて現像
し印刷版Ａ、Ｂを得た。 (a) Dimethylpolysiloxane (molecular weight 30,000,
(OH groups at both ends) 100 parts (b) Ethyltriacetoxysilane 6 parts (c) Dibutyltin diacetate 0.3 parts Next, imagewise exposure was performed on the above-mentioned dampening water-free lithographic printing plates A and B, and development was performed using xylene. Printing plates A and B were obtained.
(3) 次に各々の印刷版を用いて市販のダビツドソ
ン・デユアリス700型オフセツト印刷機により
印刷を行なつたところ、印刷版Ａの場合は版面
の温度が32℃になつた時点で地汚れが認められ
た。一方、本発明の印刷版Ｂは35℃になつても
地汚れが認められなかつた。(3) Next, each printing plate was used for printing on a commercially available Davidson Dualis Model 700 offset printing machine. Admitted. On the other hand, printing plate B of the present invention showed no scumming even at 35°C.
Claims (1)
を有する湿し水不要平版印刷版原板において、感
光性シリコーンゴム層上にさらにシリコーンゴム
層を設けたことを特徴とする前記平版印刷版原
板。1. A lithographic printing plate precursor that does not require dampening water and has a photosensitive silicone rubber layer lined on a substrate, characterized in that a silicone rubber layer is further provided on the photosensitive silicone rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17970681A JPS5882247A (en) | 1981-11-11 | 1981-11-11 | Lithographic raw plate requiring no dampening water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17970681A JPS5882247A (en) | 1981-11-11 | 1981-11-11 | Lithographic raw plate requiring no dampening water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5882247A JPS5882247A (en) | 1983-05-17 |
| JPH0225498B2 true JPH0225498B2 (en) | 1990-06-04 |
Family
ID=16070447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17970681A Granted JPS5882247A (en) | 1981-11-11 | 1981-11-11 | Lithographic raw plate requiring no dampening water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5882247A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4894504A (en) * | 1972-03-21 | 1973-12-05 | ||
| JPS4968803A (en) * | 1972-11-02 | 1974-07-03 | ||
| JPS4986102A (en) * | 1972-12-20 | 1974-08-17 | ||
| JPS5589842A (en) * | 1978-12-28 | 1980-07-07 | Toray Ind Inc | Retouching method for plate face of waterless lithographic printing plate |
| JPS55124148A (en) * | 1979-03-16 | 1980-09-25 | Toray Ind Inc | Manufacture of lithographic printing original plate |
-
1981
- 1981-11-11 JP JP17970681A patent/JPS5882247A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4894504A (en) * | 1972-03-21 | 1973-12-05 | ||
| JPS4968803A (en) * | 1972-11-02 | 1974-07-03 | ||
| JPS4986102A (en) * | 1972-12-20 | 1974-08-17 | ||
| JPS5589842A (en) * | 1978-12-28 | 1980-07-07 | Toray Ind Inc | Retouching method for plate face of waterless lithographic printing plate |
| JPS55124148A (en) * | 1979-03-16 | 1980-09-25 | Toray Ind Inc | Manufacture of lithographic printing original plate |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5882247A (en) | 1983-05-17 |
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