JPS58191771A - Flexographic type capsule ink - Google Patents
Flexographic type capsule inkInfo
- Publication number
- JPS58191771A JPS58191771A JP57073825A JP7382582A JPS58191771A JP S58191771 A JPS58191771 A JP S58191771A JP 57073825 A JP57073825 A JP 57073825A JP 7382582 A JP7382582 A JP 7382582A JP S58191771 A JPS58191771 A JP S58191771A
- Authority
- JP
- Japan
- Prior art keywords
- microcapsules
- ink
- printing
- melamine
- capsule
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
- B01J13/18—In situ polymerisation with all reactants being present in the same phase
Abstract
Description
【発明の詳細な説明】 本発明はフレキソ型カプセルインキに関する。[Detailed description of the invention] The present invention relates to a flexographic capsule ink.
史に詳しくは、耐熱性、耐衝撃性、耐摩擦性、耐浴削囲
、耐候性、等の種々の耐久性に優れたｌイタ１１カブ゛
セルからなるフレキソ型カフ゛セルインキに関する。More specifically, the present invention relates to a flexo-type capsule ink made of L Iter 11 capsules that have excellent durability such as heat resistance, impact resistance, abrasion resistance, bath erosion resistance, and weather resistance.
マイクロカプセルは既に知られているように、不安定な
物質、化学反応性のある物質、生物活性のある物質、揮
発性のある物質、流動性や接着性・粘着性のある物質、
着色物質、などの微細な粒子を内包する、通常ノームレ
スの顕微鏡的サイズの容器であって、感圧記録材料、香
料、接着又は粘着剤、肥料、医薬品、農薬、食品、等々
の分野において実用化され、あるいは技術的検討が行な
われている。As is already known, microcapsules are unstable substances, chemically reactive substances, biologically active substances, volatile substances, fluid, adhesive/sticky substances,
A normally normless microscopic container that contains fine particles such as colored substances, and is used in the fields of pressure-sensitive recording materials, fragrances, adhesives or adhesives, fertilizers, pharmaceuticals, agricultural chemicals, foods, etc. or technical studies are being conducted.
このマイクロカプセルは、乾燥固体（粉体）もしくは配
合品として使用されることもあるが、紙、フィルム、布
、板、箔などの暴利へ必要に応じて結着剤や他の副資材
、添加物、などと共に塗工されて使用されることが多い
。この場合、基材の全面に広く塗工されるときもあるし
、所望の箇所のみにバターノ状に部分的に塗工（バート
コート）される場合もある。These microcapsules may be used as dry solids (powder) or blended products, but they may be used as binders, other auxiliary materials, or additives as necessary to make paper, film, cloth, boards, foils, etc. It is often used by being coated with objects, etc. In this case, the coating may be applied over a wide area over the entire surface of the substrate, or may be applied only to desired areas in a butter-like pattern (vert coat).
このような部分塗工（バートコート）を工業的に能率よ
く、また再現性良く行なうには各種印刷方式を利用する
のが好ましく、例えば、凸版印刷、凹版（タラビア）印
刷、平版（オフセット）印刷、スクリーン印刷、などが
用いられ得るが、印刷インキ（塗工液）の調製の難易度
、印圧が比較的低いこと、印刷（塗工）条件の寛容性、
などからクラビアオフセット印刷方式とりわけいわゆる
フレキソ印刷方式がマイクロカプセルの部分塗工には向
いていると考えられる。In order to perform such partial coating (vert coat) industrially efficiently and with good reproducibility, it is preferable to use various printing methods, such as letterpress printing, intaglio printing, and planographic (offset) printing. , screen printing, etc. may be used, but the difficulty of preparing the printing ink (coating liquid), relatively low printing pressure, tolerance of printing (coating) conditions,
For these reasons, the Clavier offset printing method, especially the so-called flexo printing method, is considered to be suitable for partial coating of microcapsules.
即ち、フレキソ印刷では固形分と揮発性媒体から成るイ
ンキ（塗工液）を通常ファウンテノロール、アニロック
スロールヲ介してコム製の版（バターノ）により基材（
被印刷体）へ付着させ乾燥する。That is, in flexographic printing, an ink (coating liquid) consisting of solid content and a volatile medium is usually applied to a base material (coating liquid) via a fountain roll or anilox roll using a printing plate (Batano) manufactured by Com.
(printed material) and dry.
本発明者等は種々のマイクロカプセルを含有するフレキ
ソインキを調製し実際にフレキソ印刷を行なって見たと
ころ、次のような問題が発生する場合があることを知っ
た。The present inventors prepared flexo inks containing various microcapsules and actually performed flexographic printing, and found that the following problems may occur.
即ち、（１） フレキソ印刷程度の印圧でもマイクロ
カプセルが破壊されるときかめるこ
と。That is, (1) the microcapsules are broken even with a printing pressure comparable to flexographic printing;
（２）熱風、赤外線、高周波、などで乾燥する際マイク
ロカプセルが熱劣化する
ときがあること。(2) When drying with hot air, infrared rays, high frequency, etc., the microcapsules may be thermally deteriorated.
（３） フレキンインキの揮発性媒体がアルコール、
酢酸エステル、ケトン類、セ
ロソルブ類のような有機溶剤の場合特
鶴
にマイクロカプセルが破壊されたり内
相（芯物質）が抽出されたりすること
があること。(3) The volatile medium of flexible ink is alcohol,
In the case of organic solvents such as acetate esters, ketones, and cellosolves, microcapsules may be destroyed or the internal phase (core substance) may be extracted.
（４）マイクロカプセル印刷物の取扱い中の軽い衝撃や
摩擦により破壊されると
きがあること。(4) Microcapsule printed matter may be destroyed by light impact or friction during handling.
（５）マイクロカプセル印刷物について更に電子写真方
式や静電記録方式による
トナーのプリント（％に湿式現像）を
行なうと現像液（及び乾燥熱）により
マイクロカプセルが破壊されるときが
あること。(5) Regarding microcapsule printed matter, when toner printing is performed using an electrophotographic method or an electrostatic recording method (wet development), the microcapsules may be destroyed by the developer (and drying heat).
（６）％に、アルコールなどの有機溶剤を媒体とするフ
レキソインキを得るため
ニ、水性マイクロカプセルエマルソヨ
／を例えばスプレードライして、乾燥
粉末となしたのち有機溶剤性インキを
調製しフレキソ印刷を行なった場合に、上記のような苛
酷な条件下でマイクロ
カプセルが破壊されることがあること。(6) In order to obtain a flexographic ink using an organic solvent such as alcohol as a medium, the aqueous microcapsule emulsion is, for example, spray-dried to form a dry powder, and an organic solvent-based ink is prepared for flexographic printing. If this is done, the microcapsules may be destroyed under the harsh conditions mentioned above.
このようなマイクロカプセルの耐久性上の差異は先ず第
一にマイクロカプセル化法そのものに依存することが判
った。It has been found that such differences in the durability of microcapsules depend first of all on the microencapsulation method itself.
即ち、マイクロカプセル化法は既に種々知られ、例えば
、ゼラチンなどの蛋白質とアラビアコム、ＣＭＣなどの
アニオン性高分子とのコノプレックスコアセルベーショ
ン現象を利用した方法、高分子合成化学的手法を応用し
た界面重合法（イノ７アネート化合物やエポキシ化合物
などが主な原料）やインサイチュ重縮合法（尿素、メラ
ミン、などの多価アミン化合物とホルｔ、アルテヒドな
どのアルデヒド化合物が主な原料）、その他などが有名
であるが、中でもイ／サイヂュ屯縮合によるマイクロカ
プセル化法、とりわけメラミンを主体とする多価アミン
化合物とホルムアルデヒドとから由来するメラミン系樹
脂を壁膜とするマイクロカプセルが（Ｕ、Ｓ。That is, various microencapsulation methods are already known, such as a method that utilizes the conoplex coacervation phenomenon between a protein such as gelatin and an anionic polymer such as arabicum or CMC, and a method that applies chemical methods for polymer synthesis. interfacial polymerization method (main raw materials include ino-7 anate compounds and epoxy compounds), in-situ polycondensation method (main raw materials include polyvalent amine compounds such as urea, melamine, and aldehyde compounds such as fort and altehyde), and others. Among them, microcapsules using I/Saijutun condensation are famous, especially microcapsules whose walls are made of melamine resin derived from formaldehyde and a polyvalent amine compound mainly composed of melamine (U, S .
Ｐ、４．ｌｏｏ、ｘｏ３、Ｕ、８．Ｐ、４，２３３，１
７８など）が耐久性に最も優れていることがわかった。P, 4. loo, xo3, U, 8. P, 4,233,1
78 etc.) was found to have the best durability.
しかし、それでもフレキソ型カプセルインキとしては耐
久性が不十分な場合があり、鋭意研究を重ねた結果、マ
イクロカプセルの壁膜が８０℃を越える温度の熱水中で
キュア’ ＩＪソングれたメラミン系樹脂よりなる場合
に初めて、種種の苛酷な条件に耐え得るフレキソ型カプ
セルインキが得られることが判り、本発明に到ったので
ある。However, even then, the durability may not be sufficient as a flexo-type capsule ink, and as a result of extensive research, we have developed a melamine-based ink whose microcapsule wall membrane is cured in hot water with a temperature of over 80°C. It was discovered that a flexo-type capsule ink that can withstand various harsh conditions can be obtained only when it is made of resin, and this led to the present invention.
即ち、公知のイノサイチュ重縮合法では、アニオン系水
溶性高分子を含む水相へ水難溶性物質を投入して微細に
乳化し、しかるのち、例えばメラミンーホルムアルテヒ
ド初期縮金物を加え、数十度Ｃの温度で重縮合反応を行
なわせ、アミノブラストを壁膜とするマイクロカプセル
を得るものであった。That is, in the known in situ polycondensation method, a poorly water-soluble substance is added to an aqueous phase containing an anionic water-soluble polymer to finely emulsify it, and then, for example, an initial condensate of melamine-formaltehyde is added, and several dozen A polycondensation reaction was carried out at a temperature of 10°C to obtain microcapsules having an aminoblast wall.
この場合、公知の方法ではメラミン系樹脂膜のマイクロ
カプセルでも、反応温度は５０〜８０℃が好ましく、こ
れより低温では反応速度が遅くしかも壁膜が弱過ぎ、こ
れより高温では反応時カプセルの凝集や乳化液のゲル化
、またカプセルの破壊などのトラブルが多く不適当であ
る。In this case, in the known method, the reaction temperature is preferably 50 to 80°C, even for microcapsules with melamine resin membranes; at lower temperatures, the reaction rate is slow and the wall membrane is too weak; at higher temperatures, the capsules agglomerate during the reaction. It is unsuitable because it causes many problems such as gelation of the emulsion and destruction of the capsule.
しかるに、本発明で使用されるメラミン系樹脂膜マイク
ロカプセルは、先ず８０℃以下の温度でカプセル化反応
を充分に行ない通常使用するζこは差支えない程度のマ
イクロカプセルを得て置いて、しかるのちウェット状態
で８０℃以上の温度に充分時間保ってキユアリングを行
なうことにより強固な壁膜としたものである。こうする
ことにより初めて耐久性の充分に優れたフレキソ型カプ
セルインキが製造できるようになった。However, the melamine-based resin membrane microcapsules used in the present invention are obtained by first carrying out a sufficient encapsulation reaction at a temperature of 80° C. or lower to obtain microcapsules that do not cause any problems with the ζ normally used. A strong wall film is obtained by curing the film by keeping it at a temperature of 80° C. or higher for a sufficient period of time in a wet state. This made it possible for the first time to produce a flexo-type capsule ink with sufficiently excellent durability.
このように、カプセル生成後水中において更に加熱し高
温にすることは従来のマイクロカプセル化技術では知ら
れていなかったことである。In this way, it is unknown in conventional microencapsulation technology that the capsules are further heated in water to a high temperature after capsule formation.
すなわち、ゼラチン使用のコアセルベーション法、イソ
ンアネート使用の界面重合法、等によるマイクロカプセ
ルでは８０℃よりはずっと低い温度でマイクロカプセル
を生成させるし、しかもマイクロカプセル生成後水中て
高温処理（７０℃程度以上）を行なうとカプセル壁が破
壊されて行くのが通常であることを本発明者等は確認し
ている。In other words, microcapsules produced by coacervation method using gelatin, interfacial polymerization method using isoneanate, etc. are produced at a temperature much lower than 80°C, and furthermore, after microcapsule production, high temperature treatment in water (approximately 70°C) is required. The present inventors have confirmed that the capsule wall is normally destroyed when the above) is carried out.
すなわち、比較的低温（８０℃以下の意）でマイクロカ
プセルを生成してから、あらためて（この間一旦冷却し
てもよい）８０℃を越える温度で加熱処理して、フレキ
ソ型カプセルインキとして充分なものを作ることができ
るマイクロカプセルはアミノプラストを壁膜とするもの
のみであり、とりわけメラミン系樹脂を壁膜とするもの
が最良であることが今回初めて判ったのである（メラミ
ン系では沸騰水中で加熱可能で、破壊されるどころかま
すます強固になる程である）。In other words, microcapsules are generated at a relatively low temperature (80°C or less) and then heat-treated at a temperature exceeding 80°C (it may be cooled once during this period) to produce a product that is sufficient for use as a flexo-type capsule ink. The only microcapsules that can be made are ones with a wall made of aminoplast, and it has been found for the first time that those with a wall made of melamine resin are the best (melamine-based ones can be made by heating in boiling water). (It is possible, and far from being destroyed, it is becoming stronger and stronger.)
本発明のフレキソ型カプセルインキは通常揮発性媒体、
マイクロカプセル、結着剤、その他必要に応じて添加剤
（顔料、劣化防止剤、等）などより成り、揮発性媒体と
しては水や各種有機溶剤（メタノール、エタノール、イ
ソプロパツール、ノルマルプロパツール、等のアルコー
ル類；酢酸メチル、酢酸エチル、酢酸イソプロブテルセ
φソルブ、等のグリコールエーテル類；アセトン、メチ
ルエチルケト７、等のケトン類；ベノセン、トルエン、
等の芳香族溶剤類；その他石油系溶剤類、など）、する
いはこれらの混合物が使われ（特に、アルコニル類を使
用した時カプセルが破壊され易い）、マイクロカプセル
としては前記の通りの８０℃以上で加熱処理されたメラ
ミン系樹脂壁膜マイクロカプセル、結着剤としては各種
水溶性高分子化合物（可溶性でんぷん、ポリヒニルアル
コール、ＣＭＣ。The flexographic capsule ink of the present invention usually contains a volatile medium,
It consists of microcapsules, a binder, and other additives (pigments, anti-deterioration agents, etc.) as necessary, and the volatile medium is water and various organic solvents (methanol, ethanol, isopropanol, normal propatool, etc.). Alcohols such as methyl acetate, ethyl acetate, isoprobuterol acetate, φsolv, etc.; ketones such as acetone, methyl ethyl keto 7, etc.; benocene, toluene,
aromatic solvents such as; other petroleum solvents, etc.), or a mixture of these (especially when alconyls are used, the capsules are easily destroyed), and the microcapsules are 80% as described above. Melamine-based resin wall microcapsules heat-treated at temperatures above ℃, and various water-soluble polymer compounds (soluble starch, polyhinyl alcohol, CMC, etc.) are used as binders.
ヒドロキ７メチルセルロース、アクリル酸もしくはメタ
クリル酸（共）重合体、マレイン酸共重合体、など）や
有機溶剤可溶性高分子化合物（各種ビニル系樹脂、アク
リル（もしくはメタクリル）系樹脂、ポリエステル、ポ
リカーボネート、ポリアミド、セルロース誘導体、等々
入うテックス類、等顔料としてはチタンホワイト、亜鉛
華、微粉シリカ、生でんぷん粉、等が使用される。Hydroxy7methylcellulose, acrylic or methacrylic acid (co)polymers, maleic acid copolymers, etc.) and organic solvent-soluble polymer compounds (various vinyl resins, acrylic (or methacrylic) resins, polyesters, polycarbonates, polyamides, etc.) Titanium white, zinc white, finely powdered silica, raw starch powder, etc. are used as pigments.
各構成分の比率は通常、マイクロカプセル１００部に対
して結着剤は５０部を中心として１ＯＮ１００部、揮発
性媒体は１００〜２００部であるが実際のフレキソ印刷
に当っては適宜稀釈して行なわれる。Normally, the ratio of each component is 1ON100 parts, with the binder being around 50 parts per 100 parts of the microcapsules, and the volatile medium being 100 to 200 parts, but in actual flexographic printing, they should be diluted as appropriate. It is done.
マイクロカプセルの内相（芯物質）は目的によって各種
各様であるが、代表的実例としては、各種有機溶剤とり
わけ感圧記録材料用高沸点溶剤（これへ感圧染料、感圧
顕色剤用フェノールレジン、サリチル酸誘導体、などを
溶解したものを含む）、香料、接着もしくは粘着、剤、
殺虫剤などの農薬、等が挙げられる。The internal phase (core substance) of microcapsules varies depending on the purpose, but typical examples include various organic solvents, especially high boiling point solvents for pressure-sensitive recording materials (in addition to pressure-sensitive dyes and phenols for pressure-sensitive color developers). resins, salicylic acid derivatives, etc.), fragrances, adhesives or adhesives, agents,
Examples include agricultural chemicals such as insecticides.
なお、本発明で云うメラミン系樹脂とは、メラミ７を主
体としたアルデヒド重縮合樹脂のことであり、メラミン
以外に例えばグアナミン誘導体、尿素、エチレン尿素、
チオ尿素、などの尿素誘導体、またその他の変性剤を加
えた樹脂も含まれるものである。The melamine resin referred to in the present invention is an aldehyde polycondensation resin mainly composed of melamine 7, and in addition to melamine, for example, guanamine derivatives, urea, ethylene urea,
It also includes urea derivatives such as thiourea, and resins to which other modifiers have been added.
次に、実施例として、代表的具体例である感圧記録材料
製造を目的としたフレキソ型カプセルインキの例を挙げ
て、本発明の効果を詳細に説明する。Next, as an example, the effects of the present invention will be explained in detail by citing a typical example of a flexo-type capsule ink for the purpose of producing a pressure-sensitive recording material.
実施例１１発色剤カプセルの調製
クリスタルバイオレットラクトン１５部（重量部、以下
同じ）をハイゾールＳＡＳ Ｎ−２９６（日本石油化学
工業株式会社製、感圧記録材料用高沸点溶剤）８５部に
加熱溶解し、内相油（水難溶性物質）１００部を得た。Example 11 Preparation of color former capsules 15 parts of crystal violet lactone (parts by weight, same hereinafter) was heated and dissolved in 85 parts of Hysol SAS N-296 (manufactured by Nippon Petrochemical Industries, Ltd., a high boiling point solvent for pressure-sensitive recording materials). , 100 parts of internal phase oil (poorly water-soluble substance) was obtained.
これを、スチレン−無水マレイン酸共重合体を少鎗の水
酸化ナトリウムと共に溶解したｐＨ５，５の５Ｘ水溶液
１００部中に乳化分散した。メラミン７部、３７Ｘホル
マリン１８部を３０部の水に加え、水酸化ナトリウムで
ｐＨを９．０とし、１５分間加温してメラミン−ホルム
アルデヒド初期縮合物を得、これを前記乳化分散液へ加
えて撹拌し、液温を６０℃に３時間保った（マイクロカ
プセル１−Ａ）。平均粒径５０μｍ。This was emulsified and dispersed in 100 parts of a 5X aqueous solution having a pH of 5.5 in which a styrene-maleic anhydride copolymer was dissolved together with a small spoonful of sodium hydroxide. Add 7 parts of melamine and 18 parts of 37X formalin to 30 parts of water, adjust the pH to 9.0 with sodium hydroxide, heat for 15 minutes to obtain a melamine-formaldehyde initial condensate, and add this to the emulsified dispersion. The liquid temperature was maintained at 60° C. for 3 hours (Microcapsule 1-A). Average particle size 50 μm.
このうちの半量については更に９１℃に昇温しで１時間
加熱・撹拌を続けた（マイクロカプセル１−Ｂ）。Half of this amount was further heated to 91° C. and continued to be heated and stirred for 1 hour (Microcapsule 1-B).
実施例２顕色剤カプセルの調製
バラ−フェニールフェノール−ホルムアルデヒド樹脂４
０部をハイゾール５ＡＳＮ−２９６，６０部に加熱溶解
し、内相油１００部を得た。これを実施例１と同様の方
法でカプセル化し、平均粒径７０μｍの顕色剤カプセル
を得た。Example 2 Preparation of Color Developer Capsule Rose-Phenylphenol-Formaldehyde Resin 4
0 part was heated and dissolved in 60 parts of Hysol 5ASN-296 to obtain 100 parts of internal phase oil. This was encapsulated in the same manner as in Example 1 to obtain developer capsules with an average particle size of 70 μm.
６０℃３時間反応のもの・・・・・・マイクロカプセル
−Ａ
更に９５℃１時間加熱したもの・・・・・・マイクロカ
プセル２−Ｂ
実施例３．粉体化の工程
これらのマイクロカプセル分散液を遠心アトマイサ一方
式スプレードライヤーを用いて乾燥カプセル粉体都合４
種類を得た。粉体化条件は、カプセル濃度３０Ｘ１出口
温度８５℃であった。Microcapsules reacted at 60°C for 3 hours...Microcapsules-A Further heated at 95°C for 1 hour...Microcapsules 2-B Example 3. Powderization process These microcapsule dispersions are dried into capsule powder using a centrifugal atomizer and one-way spray dryer.
Got the kind. The powdering conditions were: capsule concentration 30×1 outlet temperature 85°C.
実施例４．インキ化の工程
得られた粉体カプセルを次の配合にて、フレキソ型カプ
セルインキとなした。Example 4. Process of Making Ink The obtained powder capsules were made into a flexo-type capsule ink using the following formulation.
実施例１の発色剤カプセル ２０部（マイクロ
カプセル１−Ａ又は１−Ｂ）実施例２の顕色剤カプセル
８０部（マイクロカプセル２−Ａ又は２−Ｂ
）変性酢酸ビニール誘導体 ５０部（コーホ
ニール、日本合成化学製）
ジオクナール燐酸エステル七ノエタノールアミン塩
２５部特等小麦でんぷん粉
４０部メチルアルコール
１５０部以上の組成を均一に混合してフレキソ型カプセ
ルインキ都合４種類を得た。Color developer capsules of Example 1: 20 parts (microcapsules 1-A or 1-B) Color developer capsules of Example 2: 80 parts (microcapsules 2-A or 2-B)
) Modified vinyl acetate derivative 50 parts (Cohonyl, manufactured by Nippon Gohsei) Diocnal phosphate ester heptanoethanolamine salt
25 parts special wheat starch powder
40 parts methyl alcohol
Four types of flexographic capsule inks were obtained by uniformly mixing 150 parts or more of the composition.
実施例５．フレキソ印刷の工程
実施例４で得たフレキソインキをメチルアルコールで希
釈し、坪量５０ ｔ／＆の上質紙にフオーム印刷機を用
いてフレキソ印刷を行ない、インキ盛り量が固形分で５
ｖ／ｍ”となるようにして、部分塗工ノーカーボン感圧
転写紙を作成した。Example 5. Flexographic printing process The flexographic ink obtained in Example 4 was diluted with methyl alcohol, and flexographic printing was performed on high-quality paper with a basis weight of 50 t/& using a foam printing machine, so that the amount of ink applied was 5 in terms of solid content.
Partially coated carbonless pressure-sensitive transfer paper was prepared in such a manner that the transfer paper was coated with a coating film of 100% by weight.
乾燥後の印刷面を見ると、マイクロカプセルｌ−Ａと２
−Ａを組合せたものでは少し青く発色していた。Looking at the printed surface after drying, microcapsules 1-A and 2
-A combination had a slightly blue color.
一方、１−Ｂと２−Ｂとの組合せでは純白であった。On the other hand, the combination of 1-B and 2-B was pure white.
実施例６．印刷物評価テスト
ｓａｙ／ｒｆの上質紙へカプセル印刷面が当るように転
写紙を重ねてボールペンで上から筆記テストをして見た
ところ、１−Ａと２−Ａとの組合せでは、上質紙上へ複
写文字が殆んど転写発色せず、部分塗工ノーカーホン感
圧転写紙としてはこの段階で既に不合格であった。Example 6. Printed matter evaluation test say/rf The transfer paper was stacked so that the capsule printing surface was in contact with the high-quality paper, and a writing test was performed from above with a ballpoint pen.It was found that with the combination of 1-A and 2-A, At this stage, the copied characters were hardly colored, and the paper was already rejected as a partially coated non-carphone pressure-sensitive transfer paper.
１−Ｂと２−Ａの組合せ、並びに１−Ａと２−Ｂの組合
せはこの段階では何とか合格であった。The combination of 1-B and 2-A and the combination of 1-A and 2-B somehow passed the test at this stage.
１−Ｂと２−Ｈの組合せでは申し分なく合格であった。The combination of 1-B and 2-H passed the test perfectly.
この段階で合格であった３種類の部分塗工ノーカーボン
感圧転写紙を、静電記録用湿式トナー（現像液）に浸し
たのち赤外線を当てて乾燥した。しかるのち、上質紙へ
の転写発色能をボールペン筆記にてテストしたところ、
１−Ｂと２−Ａの組合せ、並びにｌ−Ａと２−Ｈの組合
せでは転写発色能がいずれもかなり減退していた。それ
に反してｌ−Ｂと２−Ｂの組合せでは転写発色能が実用
レベルにあると判定された。The three types of partially coated carbonless pressure-sensitive transfer papers that passed this stage were soaked in a liquid toner (developer) for electrostatic recording and then dried by irradiating them with infrared rays. Afterwards, we tested the ability to transfer color onto high-quality paper using a ballpoint pen.
In both the combinations of 1-B and 2-A and the combination of 1-A and 2-H, the transfer coloring ability was significantly reduced. On the other hand, it was determined that the combination of 1-B and 2-B had transfer coloring ability at a practical level.
なお、本実施例で用いた部分塗工ノーカーボン感圧転写
紙は、通常の土用紙と下用紙とから成る感圧記録紙とは
異なり普通紙への感圧複写ヲ意図したセルフコンテイン
ドペーパーであって、マイクロカプセルが破壊されて内
相が滲出していると、そのあとの転写発色能が極端に減
退するものである。Note that the partially coated carbonless pressure-sensitive transfer paper used in this example is a self-contained paper intended for pressure-sensitive copying onto plain paper, unlike ordinary pressure-sensitive recording paper consisting of a clay paper and a base paper. However, if the microcapsules are destroyed and the internal phase oozes out, the subsequent transfer coloring ability is extremely reduced.
また、必ずしも部分塗工のみとは限らず、被塗工基材へ
全面印刷もしくは全面塗工することも出来、その場合も
勿論、本発明の効果は発揮される。Moreover, it is not necessarily limited to only partial coating, and it is also possible to print or coat the entire surface of the substrate to be coated, and of course, the effects of the present invention are also exhibited in that case.
Claims (1)
性媒体中に分散してなるフレキソ型カシセルインキにお
いて、マイクロカプセルの壁膜が８０℃を越える温度の
温水中で熱処理されたメラミン系樹脂よりなることを特
徴とするフレキノ型カプセルインキ。 ２ 揮発性媒体が低級アルコール（化学構造式における
炭素数が１から３個）主体である特許請求の範囲第１項
記載のフレキソ型カプセルインキ。[Scope of Claims] l In a flexo-type cassisel ink made by dispersing microcapsules containing a poorly water-soluble substance in a volatile medium, the wall membrane of the microcapsules is heat-treated in hot water at a temperature exceeding 80°C. Flexible type capsule ink characterized by being made of melamine-based resin. 2. The flexo-type capsule ink according to claim 1, wherein the volatile medium is mainly a lower alcohol (having 1 to 3 carbon atoms in the chemical structural formula).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57073825A JPS58191771A (en) | 1982-05-01 | 1982-05-01 | Flexographic type capsule ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57073825A JPS58191771A (en) | 1982-05-01 | 1982-05-01 | Flexographic type capsule ink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58191771A true JPS58191771A (en) | 1983-11-09 |
Family
ID=13529309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57073825A Pending JPS58191771A (en) | 1982-05-01 | 1982-05-01 | Flexographic type capsule ink |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58191771A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63268777A (en) * | 1987-04-25 | 1988-11-07 | Kanzaki Paper Mfg Co Ltd | Microencapsulated ink composition |
| JPH02145383A (en) * | 1988-11-28 | 1990-06-04 | Kanzaki Paper Mfg Co Ltd | Temperature sensitive microcapsule containing volatile substance |
| JPH02190380A (en) * | 1989-01-18 | 1990-07-26 | Kanzaki Paper Mfg Co Ltd | Production of pressure-sensitive copying sheet |
| US5646203A (en) * | 1994-03-31 | 1997-07-08 | Toppan Moore Co., Ltd. | Microcapsule-containing oil-based coating liquid, ink, coated sheet, and method of preparing the same |
| CN102741054A (en) * | 2010-01-22 | 2012-10-17 | 太阳化学公司 | Wet-trapping of energy curable flexographic inks or coatings |
-
1982
- 1982-05-01 JP JP57073825A patent/JPS58191771A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63268777A (en) * | 1987-04-25 | 1988-11-07 | Kanzaki Paper Mfg Co Ltd | Microencapsulated ink composition |
| JPH02145383A (en) * | 1988-11-28 | 1990-06-04 | Kanzaki Paper Mfg Co Ltd | Temperature sensitive microcapsule containing volatile substance |
| JPH02190380A (en) * | 1989-01-18 | 1990-07-26 | Kanzaki Paper Mfg Co Ltd | Production of pressure-sensitive copying sheet |
| US5646203A (en) * | 1994-03-31 | 1997-07-08 | Toppan Moore Co., Ltd. | Microcapsule-containing oil-based coating liquid, ink, coated sheet, and method of preparing the same |
| US5798315A (en) * | 1994-03-31 | 1998-08-25 | Toppan Moore Co., Ltd. | Microcapsule-containing oil-based coating liquid, ink, coated sheet, and method of preparing the same |
| CN102741054A (en) * | 2010-01-22 | 2012-10-17 | 太阳化学公司 | Wet-trapping of energy curable flexographic inks or coatings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4936916A (en) | Ink composition containing microcapsules | |
| US5798315A (en) | Microcapsule-containing oil-based coating liquid, ink, coated sheet, and method of preparing the same | |
| US4162165A (en) | Process for the production of microcapsular coating compositions containing pigment particles and compositions produced thereby | |
| GB2041319A (en) | Method of making microcapsules | |
| JPH0570498B2 (en) | ||
| JPH01210030A (en) | Manufacture of micro-capsule | |
| US4089834A (en) | Water-resistant micro-capsular opacifier system and products | |
| JPS58191771A (en) | Flexographic type capsule ink | |
| US3819398A (en) | Process for production of pressure-sensitive copy sheet | |
| JP3285379B2 (en) | Perfume ink composition | |
| US4435471A (en) | Transfer-onto-plain paper type of pressure-sensitive copying paper | |
| JPS625196B2 (en) | ||
| JPS59142836A (en) | Production of microcapsule | |
| JP3147184B2 (en) | Lithographic or letterpress printing inks | |
| JPS60149489A (en) | Partial pressure sensitive paper | |
| US4000345A (en) | Substrate having coating thereon comprising microcapsular opacifying agents, and method of preparing same | |
| JPS6352596B2 (en) | ||
| JPH0564668B2 (en) | ||
| JP3181463B2 (en) | Method for producing oil-based paint containing microcapsules | |
| JPH0325354B2 (en) | ||
| KR900002358B1 (en) | Ink coating microcapsules for pressure-sensitive copying paper | |
| JPS6242732A (en) | Production of nonaqueous microcapsule composition | |
| JPS63272580A (en) | Manufacture of micro capsule printed matter | |
| JP2875804B2 (en) | Pressure-sensitive copy paper | |
| JPS60244336A (en) | Preparation of non-aqueous microcapsule composition |