JP2006347062A - Plate film surface treating agent for screen printing plate - Google Patents
Plate film surface treating agent for screen printing plate Download PDFInfo
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Abstract
Description
本発明は、長期に亙って鮮明な印刷を行うことのできるスクリーン印刷版を得るために使用する、スクリーン印刷版の版膜面処理剤に関するものである。 The present invention relates to a plate film surface treating agent for a screen printing plate used for obtaining a screen printing plate capable of performing clear printing over a long period of time.
スクリーン印刷版は、スクリーン表面に感光性樹脂組成物を塗布・乾燥して得られたスクリーン印刷版材を使用し、このスクリーン印刷版材の感光性樹脂上に画像形成用フィルムを置き、露光した後、現像して製造されるものである。画像形成用フィルムとして、たとえばポジフィルムを使用した場合には、画像部に対応している感光性樹脂は露光されずに硬化せず、非画像部に対応している感光性樹脂は露光されて硬化する。そして、そのあと現像することによって、露光されなかった感光性樹脂を洗い流す。このようにして得られたスクリーン印刷版は、画像部には感光性樹脂が存在せず、非画像部には硬化した感光性樹脂が残存しているものである。このスクリーン印刷版は、スクリーン印刷版の裏面から印刷インキ等を供給しながらスキージすると、画像部から印刷インキ等がスクリーン印刷版の表面に滲み出して、被印刷面に画像が印刷されるのである。 The screen printing plate uses a screen printing plate material obtained by applying and drying a photosensitive resin composition on the screen surface, and an image forming film is placed on the photosensitive resin of the screen printing plate material and exposed. After that, it is developed and manufactured. For example, when a positive film is used as the image forming film, the photosensitive resin corresponding to the image portion is not exposed and cured, and the photosensitive resin corresponding to the non-image portion is exposed. Harden. Then, development is performed thereafter to wash away the unexposed photosensitive resin. In the screen printing plate thus obtained, no photosensitive resin is present in the image area, and the cured photosensitive resin remains in the non-image area. When this screen printing plate is squeezed while supplying printing ink or the like from the back side of the screen printing plate, the printing ink or the like oozes out from the image portion onto the surface of the screen printing plate, and an image is printed on the printing surface. .
このようにしてスクリーン印刷版は使用されるのであるが、従来より、長期に亙って印刷を続けていると、印刷インキのダレやニジミが生じ、印刷が徐々に不鮮明になるということがあった。すなわち、スクリーン印刷版の裏面を何度もスキージしていると、非画像部に残存している硬化した感光性樹脂（版膜）の表面に印刷インキが回り込み、印刷が不鮮明になるのである。印刷が不鮮明になると、回路パターンの印刷の場合には、パターン相互の接続による短絡等が問題となるし、文字印刷の場合には、文字の判読が困難になるという問題を惹起する。 Screen printing plates are used in this way. However, if printing has been continued for a long time, printing ink sagging and blurring may occur, and printing may gradually become blurred. It was. That is, if the back side of the screen printing plate is squeezed many times, the printing ink flows around the surface of the cured photosensitive resin (plate film) remaining in the non-image area, and the printing becomes unclear. When printing is unclear, a short circuit due to connection between patterns becomes a problem in the case of circuit pattern printing, and a problem that it becomes difficult to interpret characters in the case of character printing.
このため、特許文献１では、硬化した感光性樹脂（版膜）の表面に、フッ素系又はシリコーン系撥水撥油剤の被膜を形成することが提案されている。この技術は、版膜表面に撥水撥油剤の被膜を形成することにより、印刷インキと版膜との親和性が低下し、版膜表面への印刷インキの回り込みを防止できるというものである。したがって、印刷インキのダレやニジミを防止でき、鮮明な印刷が可能となるという面で、好ましいものである。 For this reason, Patent Document 1 proposes forming a film of a fluorine-based or silicone-based water and oil repellent agent on the surface of a cured photosensitive resin (plate film). In this technique, by forming a film of a water / oil repellent agent on the surface of the plate film, the affinity between the printing ink and the plate film is lowered, and it is possible to prevent the printing ink from flowing around the plate film surface. Therefore, it is preferable in terms of preventing sagging and blurring of printing ink and enabling clear printing.
しかしながら、特許文献１に記載された技術においては、フッ素系又はシリコーン系撥水撥油剤と版膜との接着強度が低く、何度もスキージを続けていると、フッ素系又はシリコーン系撥水撥油剤が版膜から剥離してゆくということがあった。そして、剥離すると、印刷インキのダレやニジミが生じやすくなり、印刷が不鮮明になるという欠点が生じることがあった。 However, in the technique described in Patent Document 1, the adhesive strength between the fluorine-based or silicone-based water / oil repellent and the plate film is low, and if the squeegee is continued many times, the fluorine-based or silicone-based water-repellent and water-repellent properties are reduced. In some cases, the oil agent peeled off from the plate film. And when it peels, it becomes easy to produce sagging and blurring of printing ink, and the fault that printing becomes unclear sometimes occurred.
本発明の課題は、特許文献１に記載されているフッ素系又はシリコーン系撥水撥油剤に代えて、特定のシラン系化合物からなる撥水撥油剤を採用することにより、版膜と撥水撥油剤とを強固に接着させ、もって、長期に亙って鮮明な印刷を可能にするスクリーン印刷版を得ることにある。 An object of the present invention is to employ a water / oil repellent comprising a specific silane compound in place of the fluorine-based or silicone-based water / oil repellent described in Patent Document 1, thereby allowing the plate film and the water / water repellent to repel. An object of the present invention is to obtain a screen printing plate capable of firmly printing with an oil agent and thereby enabling clear printing over a long period of time.
すなわち、本発明は、一般式（１）で表されるシラン系化合物を含有することを特徴とするスクリーン印刷版の版膜面処理剤に関するものである。
本発明に係る版膜面処理剤は、一般式（１）で表されるシラン系化合物を含有するものである。このシラン系化合物は、炭素数３〜１１のパーフルオロアルキル基［ＣnＦ2n+1−（ただし、ｎは３〜１１）］を持っている。炭素数が２以下のパーフルオロアルキル基は、版膜に十分な撥水性及び撥油性を与えにくくなるため、好ましくない。また、炭素数が１２以上のパーフルオロアルキル基を持つ化合物を用いると、溶剤に溶解しにくくなり、版膜面処理剤を溶液状として取り扱いにくくなるため、好ましくない。パーフルオロアルキル基と珪素原子とは、アルキレン基を介して結合されている。アルキレン基としては、メチレン基、エチレン基、プロピレン基等が用いられる。また、珪素原子には、加水分解性基が１個乃至３個結合されている。この加水分解性基によって、シラン系化合物同士及びシラン系化合物と感光性樹脂組成物中のポリビニルアルコール等とが結合し、版膜に対して強固に接着するのである。加水分解性基としては、メトキシ基、エトキシ基、プロポキシ基等のアルコキシ基、アミノ基、ハロゲン基等が用いられる。 The plate surface treating agent according to the present invention contains a silane compound represented by the general formula (1). This silane compound has a C 3-11 perfluoroalkyl group [C n F 2n + 1 — (where n is 3 to 11)]. A perfluoroalkyl group having 2 or less carbon atoms is not preferable because it is difficult to impart sufficient water and oil repellency to the plate film. In addition, it is not preferable to use a compound having a perfluoroalkyl group having 12 or more carbon atoms because it is difficult to dissolve in a solvent and the plate surface treatment agent is difficult to handle as a solution. The perfluoroalkyl group and the silicon atom are bonded via an alkylene group. As the alkylene group, a methylene group, an ethylene group, a propylene group, or the like is used. One to three hydrolyzable groups are bonded to the silicon atom. By this hydrolyzable group, the silane compounds and the silane compound and polyvinyl alcohol or the like in the photosensitive resin composition are bonded and firmly bonded to the plate film. As the hydrolyzable group, an alkoxy group such as a methoxy group, an ethoxy group, or a propoxy group, an amino group, a halogen group, or the like is used.
一般式（１）で表されるシラン系化合物の具体例としては、パーフルオロオクチルエチルトリメトキシシラン、パーフルオロオクチルエチルトリプロポキシシラン、パーフルオロオクチルエチルトリアミノシラン、パーフルオロオクチルエチルトリクロロシラン等が用いられる。 Specific examples of the silane compound represented by the general formula (1) include perfluorooctylethyltrimethoxysilane, perfluorooctylethyltripropoxysilane, perfluorooctylethyltriaminosilane, perfluorooctylethyltrichlorosilane, and the like. It is done.
一般式（１）で表されるシラン系化合物は、一般的に、溶剤に溶解され、溶液状で取り扱われる。溶剤としては、イソプロピルアルコール、アセトン、ハイドロフロロエーテル、パーフロロポリエーテル、ハイドロフロロカーボン、パーフロロカーボン、ハイドロフロロポリエーテル又はフッ素系アルコール等が用いられる。また、溶液状にした場合のシラン系化合物の濃度は、０．０５〜０．５重量％程度であるのが、好ましい。 The silane compound represented by the general formula (1) is generally dissolved in a solvent and handled in the form of a solution. As the solvent, isopropyl alcohol, acetone, hydrofluoroether, perfluoropolyether, hydrofluorocarbon, perfluorocarbon, hydrofluoropolyether, fluorinated alcohol, or the like is used. Moreover, it is preferable that the density | concentration of the silane type compound at the time of making it into a solution form is about 0.05 to 0.5 weight%.
本発明に係るスクリーン印刷版の製造方法においては、まずスクリーン印刷版本体を製造する。スクリーン印刷版本体は、従来のスクリーン印刷版の製造方法によって製造すればよい。すなわち、まず、スクリーン表面に感光性樹脂組成物を塗布・乾燥して、スクリーン印刷版材を得る。使用する感光性樹脂組成物としても、従来公知のものが使用され、具体的には、ポリビニルアルコールに重クロム酸塩或いはジアゾニウム塩を配合した水系組成物、ポリビニルアルコール−酢酸ビニル共重合体エマルジョンに重クロム酸塩或いはジアゾニウム塩を配合した水系組成物、ポリビニルアルコールと酢酸ビニル重合体エマルジョンとからなる乳液にジアゾニウム塩を配合した水系組成物、ポリビニルアルコールとアクリルモノマーと酢酸ビニル重合体エマルジョンからなる乳液にジアゾニウム塩を配合した水系組成物、又はこれらの水系組成物に更に、側鎖にスチルバゾリウム基が導入されたポリビニルアルコール誘導体を添加してなる水系組成物を使用することができる。 In the method for producing a screen printing plate according to the present invention, a screen printing plate main body is first produced. What is necessary is just to manufacture a screen printing plate main body with the manufacturing method of the conventional screen printing plate. That is, first, a photosensitive resin composition is applied to the screen surface and dried to obtain a screen printing plate material. As the photosensitive resin composition to be used, conventionally known ones are used. Specifically, an aqueous composition in which a dichromate or a diazonium salt is blended with polyvinyl alcohol, or a polyvinyl alcohol-vinyl acetate copolymer emulsion. An aqueous composition containing a dichromate or a diazonium salt, an aqueous composition containing a diazonium salt in an emulsion comprising a polyvinyl alcohol and a vinyl acetate polymer emulsion, and an emulsion comprising a polyvinyl alcohol, an acrylic monomer and a vinyl acetate polymer emulsion. An aqueous composition prepared by adding a diazonium salt to the aqueous composition, or an aqueous composition obtained by adding a polyvinyl alcohol derivative having a stilbazolium group introduced into the side chain to these aqueous compositions can be used.
得られたスクリーン印刷版材は、スクリーンの片面に感光性樹脂が積層接着した形態や、感光性樹脂層中にスクリーンが埋入した形態となっている。このスクリーン印刷版材の感光性樹脂上に、画像形成用フィルムを置く。この画像形成用フィルムは、ポジフィルムでもネガフィルムでもよい。そして、ポジフィルム又はネガフィルムの面に、ケミカルランプや紫外線ランプで光を照射し、露光する。この露光によって、ポジフィルムの場合は、ポジフィルムの画像部からは光が透過せず、非画像部から光が透過する。したがって、非画像部に対応している感光性樹脂は硬化し、画像部に対応している感光性樹脂は硬化しない。また、ネガフィルムの場合は、ネガフィルムの非画像部からは光が透過せず、画像部から光が透過する。したがって、画像部に対応している感光性樹脂は硬化し、非画像部に対応している感光性樹脂は硬化しない。そして、露光した後、アルカリ水溶液或いは単なる水によって現像し、硬化していない感光性樹脂を洗い流して、スクリーン印刷版本体を得る。 The obtained screen printing plate material has a form in which a photosensitive resin is laminated and adhered to one side of the screen or a form in which the screen is embedded in the photosensitive resin layer. An image forming film is placed on the photosensitive resin of the screen printing plate material. The image forming film may be a positive film or a negative film. Then, the surface of the positive film or negative film is exposed by irradiating light with a chemical lamp or an ultraviolet lamp. With this exposure, in the case of a positive film, light is not transmitted from the image portion of the positive film, but light is transmitted from the non-image portion. Therefore, the photosensitive resin corresponding to the non-image portion is cured, and the photosensitive resin corresponding to the image portion is not cured. In the case of a negative film, light is not transmitted from the non-image part of the negative film, but light is transmitted from the image part. Therefore, the photosensitive resin corresponding to the image portion is cured, and the photosensitive resin corresponding to the non-image portion is not cured. And after exposure, it develops with alkaline aqueous solution or simple water, and wash | cleans the uncured photosensitive resin, and obtains a screen printing plate main body.
このスクリーン印刷版本体に、予め準備した溶液状版膜面処理剤を付与する。溶液状版膜面処理剤は、一般式（１）で表されるシラン系化合物を溶剤に溶解したものである。スクリーン印刷版本体に、溶液状版膜面処理剤を付与する方法としては、スクリーン印刷版本体を溶液状版膜面処理剤中に浸漬する方法、スクリーン印刷版本体にコーティング法、スプレー法、刷毛塗り法等で、溶液状版膜面処理剤を塗布する方法等を採用することができる。この際、溶液状版膜面処理剤の液温は、一般的に常温で使用されるが、常温より高い温度であっても差し支えない。 A preliminarily prepared solution-like plate surface treatment agent is applied to the screen printing plate body. The solution type plate surface treating agent is obtained by dissolving the silane compound represented by the general formula (1) in a solvent. As a method for applying a solution-like plate film surface treating agent to the screen printing plate body, a method of immersing the screen printing plate body in a solution-like plate film surface treating agent, a coating method, a spray method, a brush on the screen printing plate body For example, a method of applying a solution type plate surface treating agent by a coating method or the like can be employed. At this time, the solution temperature of the plate-like film surface treatment agent is generally used at room temperature, but may be higher than room temperature.
スクリーン印刷版本体に、溶液状版膜面処理剤を付与した後、乾燥する。乾燥温度は室温か又は室温よりも若干高めがよく、２５〜４５℃程度が好ましい。乾燥時間は、１日程度でよい。この乾燥時に、空気中の水分又は感光性樹脂中に存在する水分の作用で、版膜面処理剤の加水分解性基が分解し、シラン系化合物同士及び感光性樹脂中のポリビニルアルコールのＯＨ基と結合し、感光性樹脂よりなる版膜と強固に接着するのである。 A screen-form printing plate main body is provided with a solution-like plate film surface treating agent and then dried. The drying temperature is room temperature or slightly higher than room temperature, and is preferably about 25 to 45 ° C. The drying time may be about one day. At the time of drying, hydrolyzable groups of the plate surface treating agent are decomposed by the action of moisture in the air or moisture present in the photosensitive resin, and OH groups of polyvinyl alcohol in the silane compounds and in the photosensitive resin. And firmly adhere to a plate film made of a photosensitive resin.
版膜と版膜面処理剤とを更に強固に接着させるために、溶液状版膜面処理剤を付与する前、予め版膜に、シリカ系コーティング剤等の版膜面処理剤と結合しやすい物質を含浸塗布されておくことも、好ましいことである。シリカ系コーティング剤としては、ポリシラザンやコロイダルシリカ等を用いることができる。 In order to bond the plate film and the plate surface treatment agent more firmly, before the solution type plate film surface treatment agent is applied, the plate film is preliminarily bonded to the plate film surface treatment agent such as a silica coating agent. It is also preferable to impregnate the substance. As the silica-based coating agent, polysilazane, colloidal silica, or the like can be used.
本発明に係るスクリーン印刷版は、スクリーン印刷版本体に、溶液状版膜面処理剤を付与した後、乾燥して、得ることができる。このスクリーン印刷版は、非画像部に残存している硬化した感光性樹脂（版膜）表面に、一般式（１）で表されるシラン系化合物を含有する版膜面処理剤が接着して被膜が形成され、この結果、残存している感光性樹脂（版膜）表面の耐水性、撥水性及び撥油性が向上し、ひいては印刷時における印刷インキの版膜表面への回り込みが防止されるのである。そして、本発明に係るスクリーン印刷版は、スクリーン印刷版の裏面から印刷インキ等を供給しながら、その裏面をスキージするという従来公知の方法で、スクリーン印刷に使用されるのである。 The screen printing plate according to the present invention can be obtained by applying a solution type plate surface treating agent to the screen printing plate body and then drying it. In this screen printing plate, a surface treatment agent containing a silane compound represented by the general formula (1) is adhered to the surface of the cured photosensitive resin (plate film) remaining in the non-image area. As a result, the water resistance, water repellency and oil repellency of the surface of the remaining photosensitive resin (plate film) are improved, and as a result, the wrapping of the printing ink to the plate film surface during printing is prevented. It is. The screen printing plate according to the present invention is used for screen printing by a conventionally known method of squeezing the back surface of the screen printing plate while supplying printing ink or the like from the back surface.
本発明に係る版膜面処理剤を用い、上記した方法でスクリーン印版版を得ると、これは、版膜表面に一般式（１）で表されるシラン系化合物が強固に接着し、被膜が形成されてなるものである。そして、この被膜は耐水性、撥水性及び撥油性に優れている。したがって、本発明に係るスクリーン印刷版を使用してスクリーン印刷を繰り返し行っても、シラン系化合物よりなる被膜が剥離しにくく、版膜表面への印刷インキの回り込みを長期に亙って防止しうるという効果を奏する。よって、本発明に係るスクリーン印刷版を用いれば、長期に亙って多数枚の印刷を行っても、当初の印刷状態を維持した鮮明な印刷物が得られるという効果を奏する。 When a screen printing plate is obtained by the above-described method using the plate surface treatment agent according to the present invention, this is because the silane compound represented by the general formula (1) adheres firmly to the surface of the plate film. Is formed. And this film is excellent in water resistance, water repellency, and oil repellency. Therefore, even when screen printing is repeatedly performed using the screen printing plate according to the present invention, the coating made of the silane compound is difficult to peel off, and the wraparound of the printing ink to the plate film surface can be prevented over a long period of time. There is an effect. Therefore, when the screen printing plate according to the present invention is used, there is an effect that a clear printed matter can be obtained in which the original printing state is maintained even if a large number of sheets are printed over a long period of time.
実施例１
スクリーンとして１００メッシュのテトロン織布を使用し、このスクリーンを枠に張設した。そして、このスクリーンの全面に、１６重量％濃度のポリビニルアルコール水溶液６２重量部と、酢酸ビニルエマルジョン３８重量部とを混合した乳液に、ジアゾニウム塩水溶液を添加してなる水系感光性樹脂組成物（感光乳剤）を塗布し、乾燥してスクリーン印刷版材を得た。このスクリーン印刷版材は、スクリーンの片面に感光性樹脂層が形成されてなるものであった。そして、スクリーン印刷版材の感光性樹脂層上に、画像形成用ネガフィルムを置いて、真空焼枠にセットし、ケミカルランプにて露光した。その後、真空焼枠から取り外して、水現像し、次いで乾燥してスクリーン印刷版本体（Ａ版とＢ版の二つ）を得た。なお、このスクリーン印刷版本体に残存している硬化した感光性樹脂（版膜）の膜厚は１０μであった。次に、Ａ版の両面に、以下の溶液状版膜面処理剤を刷毛塗りにより、塗布した。塗布後、４０℃の恒温室で２４時間乾燥させて、スクリーン印刷版を得た。このスクリーン印刷版の版膜の初期撥油性をノルマルヘキサデカンで測定したところ、接触角は６６°であった。
［溶液状版膜面処理剤］
パーフルオロオクチルエチルトリプロポキシシラン０．１ｇを、沸点１００℃のハイドロフロロエーテル１００ｇに溶解させたもの。
Example 1
A 100 mesh Tetron woven fabric was used as the screen, and this screen was stretched around a frame. A water-based photosensitive resin composition (photosensitive material) is obtained by adding a diazonium salt aqueous solution to an emulsion obtained by mixing 62 parts by weight of a 16% by weight polyvinyl alcohol aqueous solution and 38 parts by weight of a vinyl acetate emulsion on the entire surface of the screen. Emulsion) was applied and dried to obtain a screen printing plate material. This screen printing plate material has a photosensitive resin layer formed on one side of the screen. And the negative film for image formation was set | placed on the photosensitive resin layer of a screen printing plate material, and it set to the vacuum baking frame, and exposed with the chemical lamp. Then, it was removed from the vacuum baking frame, developed with water, and then dried to obtain a screen printing plate main body (A plate and B plate). The film thickness of the cured photosensitive resin (plate film) remaining in the screen printing plate main body was 10 μm. Next, the following solution type plate surface treating agent was applied to both sides of the A plate by brush coating. After the application, it was dried in a constant temperature room at 40 ° C. for 24 hours to obtain a screen printing plate. When the initial oil repellency of the plate film of this screen printing plate was measured with normal hexadecane, the contact angle was 66 °.
[Solution plate surface treatment agent]
A solution obtained by dissolving 0.1 g of perfluorooctylethyltripropoxysilane in 100 g of hydrofluoroether having a boiling point of 100 ° C.
比較例１
実施例１で得られたスクリーン印刷版本体Ｂ版を使用し、版膜面処理剤による処理を行わないで、そのまま、スクリーン印刷版とした。このスクリーン印刷版の版膜の初期撥油性を、実施例１と同様の方法で測定したところ、０°であった。
Comparative Example 1
The screen printing plate main body B plate obtained in Example 1 was used, and a screen printing plate was used as it was without being treated with a plate surface treatment agent. When the initial oil repellency of the plate film of this screen printing plate was measured by the same method as in Example 1, it was 0 °.
実施例２
実施例１で得られたスクリーン印刷版本体Ａ版を使用し、このＡ版の両面に、以下の溶液状版膜面処理剤を刷毛塗りにより、塗布した。塗布後、４０℃の恒温室で２４時間乾燥させて、スクリーン印刷版を得た。このスクリーン印刷版の版膜の初期撥油性をノルマルヘキサデカンで測定したところ、接触角は６３°であった。
［溶液状版膜面処理剤］
パーフルオロオクチルエチルトリメトキシシラン０．２ｇを、イソプロピルアルコール９９．８ｇに溶解させたもの。
Example 2
The screen printing plate main body A plate obtained in Example 1 was used, and the following solution-form plate surface treatment agent was applied to both sides of the A plate by brush coating. After the application, it was dried in a constant temperature room at 40 ° C. for 24 hours to obtain a screen printing plate. When the initial oil repellency of the plate film of this screen printing plate was measured with normal hexadecane, the contact angle was 63 °.
[Solution plate surface treatment agent]
A solution obtained by dissolving 0.2 g of perfluorooctylethyltrimethoxysilane in 99.8 g of isopropyl alcohol.
実施例３
実施例１で得られたスクリーン印刷版本体Ａ版を使用し、このＡ版の両面に、微量の酸触媒と共にポリシラザン１．０ｇをミネラルターペン９９．０ｇに溶解したものを、刷毛塗りにより塗布した。その後、常温で１０分間乾燥させ、次いで、以下の溶液状版膜面処理剤をＡ版の両面に刷毛塗りにより、塗布した。塗布後、４０℃の恒温室で２４時間乾燥させて、スクリーン印刷版を得た。このスクリーン印刷版の版膜の初期撥油性をノルマルヘキサデカンで測定したところ、接触角は７０°であった。
［溶液状版膜面処理剤］
パーフルオロオクチルエチルトリメトキシシラン０．１ｇを、沸点７６℃のハイドロフロロエーテル１００ｇに溶解させたもの。
Example 3
The screen printing plate main body A plate obtained in Example 1 was used, and on both sides of this plate A, a solution of 1.0 g of polysilazane together with a small amount of acid catalyst in 99.0 g of mineral turpent was applied by brush coating. . Then, it was dried at room temperature for 10 minutes, and then the following solution-like plate film surface treating agent was applied to both sides of the A plate by brush coating. After the application, it was dried in a constant temperature room at 40 ° C. for 24 hours to obtain a screen printing plate. When the initial oil repellency of the plate film of this screen printing plate was measured with normal hexadecane, the contact angle was 70 °.
[Solution plate surface treatment agent]
A solution obtained by dissolving 0.1 g of perfluorooctylethyltrimethoxysilane in 100 g of hydrofluoroether having a boiling point of 76 ° C.
実施例４
実施例１で得られたスクリーン印刷版本体Ａ版を使用し、このＡ版の両面に、コロイダルシリカ１．０ｇを水９９．０ｇに溶解したものを、刷毛塗りにより塗布した。その後、常温で９０分間乾燥させ、次いで、以下の溶液状版膜面処理剤をＡ版の両面に刷毛塗りにより、塗布した。塗布後、４０℃の恒温室で２４時間乾燥させて、スクリーン印刷版を得た。このスクリーン印刷版の版膜の初期撥油性をノルマルヘキサデカンで測定したところ、接触角は６６°であった。
［溶液状版膜面処理剤］
パーフルオロオクチルエチルトリアミノシラン０．１ｇを、沸点７６℃のハイドロフロロエーテル９８ｇとイソプロピルアルコール２ｇとの混合溶剤に溶解させたもの。
Example 4
The screen printing plate main body A plate obtained in Example 1 was used, and on both sides of this plate A, 1.0 g of colloidal silica dissolved in 99.0 g of water was applied by brush coating. Then, it was dried at room temperature for 90 minutes, and then the following solution-like plate film surface treating agent was applied to both sides of the A plate by brush coating. After coating, the film was dried in a constant temperature room at 40 ° C. for 24 hours to obtain a screen printing plate. When the initial oil repellency of the plate film of this screen printing plate was measured with normal hexadecane, the contact angle was 66 °.
[Solution plate surface treatment agent]
A solution obtained by dissolving 0.1 g of perfluorooctylethyltriaminosilane in a mixed solvent of 98 g of hydrofluoroether having a boiling point of 76 ° C. and 2 g of isopropyl alcohol.
比較例２
実施例１で得られたスクリーン印刷版本体Ａ版を使用し、このＡ版の両面に、以下の溶液状撥水撥油剤を刷毛塗りにより、塗布した。塗布後、４０℃の恒温室で２４時間乾燥させて、スクリーン印刷版を得た。このスクリーン印刷版の版膜の初期撥油性をノルマルヘキサデカンで測定したところ、接触角は７０°であった。
［溶液状撥水撥油剤］
パーフルオロアルキルアクリレート重合体２．０ｇを、沸点７６℃のハイドロフロロエーテル９８ｇに溶解させたもの。
Comparative Example 2
The screen printing plate main body A plate obtained in Example 1 was used, and the following solution-like water and oil repellent agent was applied to both sides of the A plate by brush coating. After the application, it was dried in a constant temperature room at 40 ° C. for 24 hours to obtain a screen printing plate. When the initial oil repellency of the plate film of this screen printing plate was measured with normal hexadecane, the contact angle was 70 °.
[Solution-like water and oil repellent]
A solution obtained by dissolving 2.0 g of a perfluoroalkyl acrylate polymer in 98 g of hydrofluoroether having a boiling point of 76 ° C.
実施例１〜４、比較例１及び２で得られたスクリーン印刷版を用い、被印刷体としてテトロン布を用いて、捺染インキでスクリーン印刷を行った。このスクリーン印刷は、スクリーン印刷版の裏面から捺染インキを供給しながら、その裏面をスキージすることによって行った。その結果、実施例１〜４で得られたスクリーン印刷版は、４０００往復のスキージ操作をしても、テトロン布への印刷は良好に行え、印刷が不鮮明になるということはなかった。一方、比較例１で得られたスクリーン印刷版は、スキージ操作を繰り返すと、印刷が不鮮明になった。また、比較例２で得られたスクリーン印刷版は、比較例１のものに比べると、印刷が不鮮明になる程度は低かったが、４０００往復のスキージ操作を繰り返すと、印刷が不鮮明となった。 Using the screen printing plates obtained in Examples 1 to 4 and Comparative Examples 1 and 2, screen printing was performed with a printing ink using a Tetron cloth as a printing medium. This screen printing was performed by squeezing the back surface while supplying printing ink from the back surface of the screen printing plate. As a result, the screen printing plates obtained in Examples 1 to 4 could be satisfactorily printed on the Tetron cloth even when the squeegee operation was performed 4000 times, and the printing was not blurred. On the other hand, the screen printing plate obtained in Comparative Example 1 was unclear when the squeegee operation was repeated. Further, the screen printing plate obtained in Comparative Example 2 had a low degree of printing blur compared with that of Comparative Example 1, but the printing became unclear when 4000 reciprocating squeegee operations were repeated.
Claims (8)
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| JP2005177795A JP2006347062A (en) | 2005-06-17 | 2005-06-17 | Plate film surface treating agent for screen printing plate |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009045867A (en) * | 2007-08-21 | 2009-03-05 | Fluoro Technology:Kk | Plate surface processing agent for screen printing plate |
| JP2010017887A (en) * | 2008-07-08 | 2010-01-28 | Fuchigami Micro:Kk | Mesh sheet and method for manufacturing mesh sheet |
| JP2012006390A (en) * | 2010-05-28 | 2012-01-12 | Taiyo Kagaku Kogyo Kk | Screen printing stencil having amorphous carbon film and its manufacturing method |
| WO2013005726A1 (en) * | 2011-07-01 | 2013-01-10 | 太陽化学工業株式会社 | Primer composition, structure comprising primer layer that is formed of primer composition, and method for producing structure |
| WO2013022097A1 (en) | 2011-08-10 | 2013-02-14 | 太陽化学工業株式会社 | Structure including thin primer film, and process for producing said structure |
| JP5315234B2 (en) * | 2007-04-19 | 2013-10-16 | 旭化成イーマテリアルズ株式会社 | Method for producing photosensitive resin plate and relief printing plate having concavo-convex shape, and plate surface treatment liquid used in the production method |
| CN104317165A (en) * | 2014-09-22 | 2015-01-28 | 村上精密制版（昆山）有限公司 | Reinforcing agent for silk-screen printing plate, application method and printing plate after reinforcing |
| US9890290B2 (en) | 2012-12-19 | 2018-02-13 | 3M Innovative Properties Company | Coating compositions and multi-layered films for easy-to-clean surfaces |
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| JP5315234B2 (en) * | 2007-04-19 | 2013-10-16 | 旭化成イーマテリアルズ株式会社 | Method for producing photosensitive resin plate and relief printing plate having concavo-convex shape, and plate surface treatment liquid used in the production method |
| JP2009045867A (en) * | 2007-08-21 | 2009-03-05 | Fluoro Technology:Kk | Plate surface processing agent for screen printing plate |
| JP2010017887A (en) * | 2008-07-08 | 2010-01-28 | Fuchigami Micro:Kk | Mesh sheet and method for manufacturing mesh sheet |
| JP2012006390A (en) * | 2010-05-28 | 2012-01-12 | Taiyo Kagaku Kogyo Kk | Screen printing stencil having amorphous carbon film and its manufacturing method |
| WO2013005726A1 (en) * | 2011-07-01 | 2013-01-10 | 太陽化学工業株式会社 | Primer composition, structure comprising primer layer that is formed of primer composition, and method for producing structure |
| JPWO2013005726A1 (en) * | 2011-07-01 | 2015-02-23 | 太陽化学工業株式会社 | Primer composition, structure comprising primer layer comprising the composition, and method for producing the structure |
| US9469097B2 (en) | 2011-08-10 | 2016-10-18 | Taiyo Yuden Chemical Technology Co., Ltd. | Structure including thin primer film and method of producing said structure |
| WO2013022097A1 (en) | 2011-08-10 | 2013-02-14 | 太陽化学工業株式会社 | Structure including thin primer film, and process for producing said structure |
| US20160361942A1 (en) * | 2011-08-10 | 2016-12-15 | Taiyo Yuden Chemical Technology Co., Ltd. | Structure including thin primer film and method of producing said structure |
| US9890290B2 (en) | 2012-12-19 | 2018-02-13 | 3M Innovative Properties Company | Coating compositions and multi-layered films for easy-to-clean surfaces |
| CN104317165A (en) * | 2014-09-22 | 2015-01-28 | 村上精密制版（昆山）有限公司 | Reinforcing agent for silk-screen printing plate, application method and printing plate after reinforcing |
| CN104317165B (en) * | 2014-09-22 | 2016-05-25 | 村上精密制版（昆山）有限公司 | Forme after the reinforcing agent of stencil for screen printing and application process thereof and reinforcement |
| WO2016045205A1 (en) * | 2014-09-22 | 2016-03-31 | 村上精密制版（昆山）有限公司 | Strengthening agent for silk-screen printing plate, use method and strengthened printing plate |
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