JP4173113B2 - Oil-based ink - Google Patents

Oil-based ink Download PDF

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Publication number
JP4173113B2
JP4173113B2 JP2004045589A JP2004045589A JP4173113B2 JP 4173113 B2 JP4173113 B2 JP 4173113B2 JP 2004045589 A JP2004045589 A JP 2004045589A JP 2004045589 A JP2004045589 A JP 2004045589A JP 4173113 B2 JP4173113 B2 JP 4173113B2
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Japan
Prior art keywords
ether
ink
glycol
limonene
black
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Expired - Fee Related
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JP2004045589A
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JP2005232392A (en
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喜久利 上田
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Shachihata Inc
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Shachihata Inc
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Description

本発明は、ダイレクトメール等の印刷物に印刷されている住所や名前等の印刷文字を判読不可能にするための油性インキに関するものである。   The present invention relates to an oil-based ink for making printed characters such as addresses and names printed on printed matter such as direct mail unreadable.

ダイレクトメールや各種引き落としの明細書等には、住所や名前やカード番号など他人に知られたくないプライバシーに関する情報が印刷されている。
今までダイレクトメール等を廃棄する際は、シュレッダー等で裁断する、或いは、プライバシー情報箇所を手で不規則に破く必要があった。
Information related to privacy that you do not want others to know, such as your address, name, and card number, is printed on your direct mail and various debit details.
Until now, when discarding direct mails, etc., it was necessary to cut them with a shredder or to break the privacy information by hand.

特開平4−236275号公報JP-A-4-236275 特開平5−032925号公報JP-A-5-032925

そこで、隠したいプライバシー情報箇所を容易かつ確実に消去隠蔽できる手段が要望されており、本出願人はスタンパーやマーカーといった身近な手段に内蔵させた特定のインキによって当該課題を解決せんとするものである。
なお、本発明のようにリモネンを配合したインキは、特開平4−236275号、特開平5−032925号等が提案されているが、これらは樹脂を配合しているので本発明のような作用効果が得られなかった。
Therefore, there is a demand for a means for easily and surely erasing and concealing the privacy information portion to be hidden, and the present applicant intends to solve the problem by using a specific ink incorporated in a familiar means such as a stamper or a marker. is there.
As for the ink containing limonene as in the present invention, JP-A-4-236275, JP-A-5-032925 and the like have been proposed. The effect was not obtained.

前記課題を解決する為に、少なくとも黒色着色剤、グリコール系溶剤、リモネンを配合させてなり、印刷文字を消去隠蔽する、スタンパー用又はマーキングペン用油性インキを提供する。 In order to solve the problem, at least a black colorant, Ri Na by blending glycol solvent, limonene and erasure concealment printing characters, providing a stamper or marking pen oil-based ink.

本発明インキを内蔵したスタンパーやマーカーを用いて、ダイレクトメールや各種引き落としの明細書等のプライバシー情報箇所に塗布すると、顔料や染料からなる印刷文字を固定している樹脂が溶解し、印刷文字が紙面から剥離して、プライバシー情報箇所が確実に消去できる。また、印刷文字が樹脂で固定されていない場合は、プライバシー情報箇所を確実に隠蔽することができるので、プライバシーを守ることができる。   Using a stamper or marker containing the ink of the present invention and applying it to privacy information locations such as direct mail and various withdrawal details, the resin that fixes the printed characters consisting of pigments and dyes dissolves and the printed characters become The privacy information part can be securely erased by peeling from the paper. In addition, when the printed characters are not fixed with resin, the privacy information portion can be surely concealed, so that privacy can be protected.

以下、本発明を詳細に説明する。
本発明では着色剤として、C.I.SOLVENT BLACK 5、C.I.SOLVENT BLACK 7、カーボンブラックなど黒色の染料や顔料を用いることができ、市販されているものとしては、スピリットブラックSB、スピリットブラックAB、ニグロシンベースSA、ニグロシンベースEE、ニグロシンベースEX、ニグロシンベースEX−BP、VALIFAST BLACK 3820等(以上、オリヱント化学工業社製)を用いることができる。本発明ではこの中から1種又は2種以上を混合して用いることができる。
また、インキの隠蔽力を高めるために、酸化チタンやアルミニウム粉末等の金属顔料を併用することもできる。
黒色着色剤を含む着色剤の合計量はインキ全量に対して、0.1〜50重量%を用いることができ、1〜40重量%が特に好ましい。
Hereinafter, the present invention will be described in detail.
In the present invention, C.I. I. SOLVENT BLACK 5, C.I. I. SOLVENT BLACK 7, carbon black and other black dyes and pigments can be used, and commercially available products include Spirit Black SB, Spirit Black AB, Nigrosine Base SA, Nigrosine Base EE, Nigrosine Base EX, Nigrosine Base EX- BP, VALIFAST BLACK 3820, etc. (above, manufactured by Orient Chemical Industry Co., Ltd.) can be used. In this invention, 1 type (s) or 2 or more types can be mixed and used from these.
Further, in order to increase the ink concealing power, a metal pigment such as titanium oxide or aluminum powder can be used in combination.
The total amount of the colorant including the black colorant can be 0.1 to 50% by weight, particularly preferably 1 to 40% by weight, based on the total amount of the ink.

溶剤としては、グリコール系溶剤を用いることができ、エチレングリコール、プロピレングリコール、ブチレングリコール、ジエチレングリコール、トリエチレングリコール、ジプロピレングリコール、トリプロピレングリコール等のグリコール、エチレングリコールモノメチルエーテル、エチレングリコールジメチルエーテル、エチレングリコールモノエチルエーテル、エチレングリコールジエチルエーテル、3−メトキシ−1−ブタノール、エチレングリコールモノプロピルエーテル、エチレングリコールモノブチルエーテル、3−メチル−3−メトキシ−1−ブタノール、エチレングリコールモノフェニルエーテル、プロピレングリコールモノメチルエーテル、プロピレングリコールジメチルエーテル、プロピレングリコールモノエチルエーテル、プロピレングリコールジエチルエーテル、プロピレングリコールモノプロピルエーテル、プロピレングリコールモノブチルエーテル、ジエチレングリコールモノメチルエーテル、ジエチレングリコールモノエチルエーテル、ジエチレングリコールモノプロピルエーテル、ジエチレングリコールモノブチルエーテル、ジプロピレングリコールモノメチルエーテル、ジプロピレングリコールモノエチルエーテル、ジプロピレングリコールモノプロピルエーテル、ジプロピレングリコールモノブチルエーテル、トリエチレングリコールモノメチルエーテル、トリエチレングリコールモノエチルエーテル、トリプロピレングリコールモノメチルエーテル、トリプロピレングリコールモノエチルエーテル等のグリコールエーテルを例示することができる。
また、使用状況や環境等に適合させるため、メチルエチルケトン、メチルイソブチルケトン、シクロヘキサノン等のケトン系溶剤や、酢酸エチル、酢酸ブチル、酢酸アミル、乳酸メチル、乳酸エチル、乳酸ブチル等のエステル系溶剤を適当量配合することも可能である。
本発明インキに使用する際は、得られるインキが適当な粘度となるように上記の溶剤を単独または二種以上混合して用いることができ、その配合比はインキ組成中20〜99重量%、好ましくは40〜80重量%である。
As the solvent, glycol solvents can be used, and glycols such as ethylene glycol, propylene glycol, butylene glycol, diethylene glycol, triethylene glycol, dipropylene glycol, tripropylene glycol, ethylene glycol monomethyl ether, ethylene glycol dimethyl ether, ethylene glycol Monoethyl ether, ethylene glycol diethyl ether, 3-methoxy-1-butanol, ethylene glycol monopropyl ether, ethylene glycol monobutyl ether, 3-methyl-3-methoxy-1-butanol, ethylene glycol monophenyl ether, propylene glycol monomethyl ether , Propylene glycol dimethyl ether, propylene glycol monoethyl Ether, propylene glycol diethyl ether, propylene glycol monopropyl ether, propylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monopropyl ether, diethylene glycol monobutyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, di Examples include glycol ethers such as propylene glycol monopropyl ether, dipropylene glycol monobutyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, tripropylene glycol monomethyl ether, and tripropylene glycol monoethyl ether. Door can be.
Also, in order to adapt to the usage situation and environment, ketone solvents such as methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone, and ester solvents such as ethyl acetate, butyl acetate, amyl acetate, methyl lactate, ethyl lactate and butyl lactate are suitable. It is also possible to mix in an amount.
When used in the ink of the present invention, the above-mentioned solvents can be used alone or in combination of two or more so that the resulting ink has an appropriate viscosity, and the blending ratio is 20 to 99% by weight in the ink composition, Preferably it is 40 to 80% by weight.

また、本発明にはリモネンを必須構成要素とする。
リモネンは、柑橘系の香りがする水に不溶な物質であって、d−リモネン及びl−リモネンが存在する。本発明ではどちらも使用することができるが、l−リモネンは少し皮膚を刺激する作用があるので、どちらかというとd−リモネンの方が好ましい。リモネンは、インキ全量に対して0.1重量%〜50重量%を用いることができ、1重量%〜40重量%の範囲が特に好ましい結果を示す。
In the present invention, limonene is an essential component.
Limonene is a water-insoluble substance with a citrus scent and includes d-limonene and l-limonene. Either one can be used in the present invention, but since 1-limonene has a slight skin irritating action, d-limonene is preferred. Limonene can be used in an amount of 0.1 to 50% by weight based on the total amount of ink, and a range of 1 to 40% by weight shows particularly preferable results.

本発明は、目的を達成するため樹脂を不要とするが、オレイン酸、アルキルエーテルリン酸エステル、アルキルリン酸エステル、ポリオキシエチレンアルキルエーテルリン酸エステル等の染料溶解助剤、ポリオキシプロピレングリコール、グリセリンポリオキシプロピレントリオール、ポリ(オキシエチレンプロピレン)グリコールモノアルキルエーテル、グリセリド等の界面活性剤、pH調整剤、防腐防黴剤、防錆剤を適宜配合することを妨げるものではない。   Although the present invention does not require a resin to achieve the object, dye dissolution aids such as oleic acid, alkyl ether phosphate ester, alkyl phosphate ester, polyoxyethylene alkyl ether phosphate ester, polyoxypropylene glycol, It does not preclude appropriately blending surfactants such as glycerin polyoxypropylene triol, poly (oxyethylenepropylene) glycol monoalkyl ether, glyceride, pH adjuster, antiseptic / antifungal agent, and rust inhibitor.

以下に実施例により、本発明を更に具体的に説明するが、本発明はこの実施例によって限定されるものではない。
(実施例1)
C.I.SOLVENT BLACK 7 20.0重量%
プロピレングリコールモノメチルエーテル 55.0重量%
d−リモネン 20.0重量%
ポリオキシエチレンアルキルエーテルリン酸エステル 5.0重量%
以上の物質を混合し、黒色の油性インキを得た。
当該インキを多孔質ゴム製のスタンパーに充填し、ダイレクトメールの宛名部分に押印したところ、印刷文字が溶解する共に当該インキの黒色と混じり合って、文字が確実に消去隠蔽されて判読不可能となった。
The present invention will be described more specifically with reference to the following examples. However, the present invention is not limited to the examples.
(Example 1)
C. I. SOLVENT BLACK 7 20.0% by weight
Propylene glycol monomethyl ether 55.0% by weight
d-Limonene 20.0% by weight
Polyoxyethylene alkyl ether phosphate 5.0% by weight
The above substances were mixed to obtain a black oil-based ink.
When the ink is filled in a stamper made of porous rubber and stamped on the direct mail address part, the printed characters are dissolved and mixed with the black color of the ink. became.

(実施例2)
C.I.SOLVENT BLACK 5 22.5重量%
ジプロピレングリコールモノメチルエーテル 50.0重量%
d−リモネン 22.5重量%
ポリオキシエチレンアルキルエーテルリン酸エステル 5.0重量%
以上の物質を混合し、黒色の油性インキを得た。
当該インキをインキ吸収体を内蔵するマーキングペンに充填し、ダイレクトメールの宛名部分に押印したところ、印刷文字が溶解する共に当該インキの黒色と混じり合って、文字が確実に消去隠蔽されて判読不可能となった。
(Example 2)
C. I. SOLVENT BLACK 5 22.5 wt%
Dipropylene glycol monomethyl ether 50.0% by weight
d-limonene 22.5% by weight
Polyoxyethylene alkyl ether phosphate 5.0% by weight
The above substances were mixed to obtain a black oil-based ink.
When the marking pen containing the ink absorber is filled into the marking pen and stamped on the address of the direct mail, the printed characters dissolve and mix with the black color of the ink. It has become possible.

Claims (1)

少なくとも黒色着色剤、グリコール系溶剤、リモネンを配合させてなり、印刷文字を消去隠蔽する、スタンパー用又はマーキングペン用油性インキ。 At least a black colorant, a glycol solvent, limonene Ri Na by blending and erasure concealment printing characters, stamper or marking pen oil-based inks.
JP2004045589A 2004-02-23 2004-02-23 Oil-based ink Expired - Fee Related JP4173113B2 (en)

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JP4173113B2 true JP4173113B2 (en) 2008-10-29

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007204515A (en) * 2006-01-31 2007-08-16 Tokai Senko Kk Marking ink
JP5056452B2 (en) * 2008-02-13 2012-10-24 シヤチハタ株式会社 Black felt pen for hiding toner characters
JP5505854B2 (en) * 2008-09-08 2014-05-28 シヤチハタ株式会社 How to make privacy information parts indistinguishable

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