JPH0427038B2 - - Google Patents

Info

Publication number
JPH0427038B2
JPH0427038B2 JP56172508A JP17250881A JPH0427038B2 JP H0427038 B2 JPH0427038 B2 JP H0427038B2 JP 56172508 A JP56172508 A JP 56172508A JP 17250881 A JP17250881 A JP 17250881A JP H0427038 B2 JPH0427038 B2 JP H0427038B2
Authority
JP
Japan
Prior art keywords
pressure
sensitive copying
ink
paper
weight
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
Application number
JP56172508A
Other languages
Japanese (ja)
Other versions
JPS5872496A (en
Inventor
Hachiro Saito
Eisuke Shioyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP56172508A priority Critical patent/JPS5872496A/en
Publication of JPS5872496A publication Critical patent/JPS5872496A/en
Publication of JPH0427038B2 publication Critical patent/JPH0427038B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/10Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like

Landscapes

  • Color Printing (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Duplication Or Marking (AREA)

Description

【発明の詳細な説明】 本発明は、感圧複写原紙と複写用紙との組み合
わせからなる感圧複写紙の前記感圧複写原紙にお
ける感圧複写インキ層の形成に利用される感圧複
写用インキに関するものであり、特に、正当な権
利者以外の第3者には読み取ることが不可能な情
報記録を作製することの出来る感圧複写用インキ
を提供するものである。
Detailed Description of the Invention The present invention provides a pressure-sensitive copying ink used for forming a pressure-sensitive copying ink layer on the pressure-sensitive copying base paper of a pressure-sensitive copying paper consisting of a combination of a pressure-sensitive copying base paper and a copying paper. In particular, the object of the present invention is to provide a pressure-sensitive copying ink that can create information records that cannot be read by third parties other than legitimate rights holders.

裏面に感圧複写インキ層が設けられている感圧
複写原紙と、該複写原紙の裏側にセツトされてい
る複写用紙との組み合わせからなる感圧複写紙を
利用し、感圧複写原紙における感圧複写インキ層
によつて複写用紙面に複写された文字、記号、図
形等の情報記録を伝達する場合に、複写用紙面に
複写された情報記録を、正当な権利者以外の第3
者に漏洩することなく、正当権利者のみに伝達さ
せる方法として、複写用紙面に複写されている情
報記録部に特殊な薬品処理を施し、該情報記録部
を目に見えない状態にし、正当権利者の手元に複
写用紙が届けられたときに、正当権利者が該複写
用紙に加熱、その他の処理を施して、情報記録部
を目に見える判読可能状態とする方法が知られて
いる。
Pressure-sensitive copying paper is made of a combination of pressure-sensitive copying base paper with a pressure-sensitive copying ink layer on the back side, and copying paper set on the back side of the copying base paper, and the pressure-sensitive copying ink layer on the pressure-sensitive copying base paper is When transmitting information records such as characters, symbols, figures, etc. copied onto the copy paper surface using the copy ink layer, the information records copied on the copy paper surface may be transferred to a third party other than the legitimate rights holder.
In order to ensure that the information is transmitted only to the legitimate rights holder without leaking it to the legitimate rights holder, the information recording section copied on the copy paper is treated with a special chemical to make the information recording section invisible and protect the legitimate rights. There is a known method in which, when a copy sheet is delivered to a person, the legitimate holder heats or otherwise processes the copy sheet to make the information recording section visible and readable.

しかしながら、前記従来の方法では、複写用紙
面の情報記録部を一たび判読可能にすると、その
後は何人にも読取りが可能となるため、判読可能
のための処理が施された後の複写用紙を保管する
際に、情報記録が正当権利者以外の第3者に漏洩
する危険があるばかりでなく、判読可能のための
処理が施された複写用紙の情報記録部は、該部を
再度目に見えない状態とすることが出来ないた
め、1人の正当権利者から別の正当権利者へ秘密
情報の伝達を行う場合には、同一の複写用紙を使
用することができず、別の情報記録部を目に見え
ない状態にした複写用紙を使用しなければならな
いという繁雑さがあつた。
However, in the conventional method, once the information recording section on the copy paper surface is made readable, it can be read by any person, so the copy paper that has been processed to make it readable is When storing, there is not only a risk that the information record may be leaked to a third party other than the legitimate right holder, but also the information recording section of the copy paper that has been treated to make it readable may not be seen again. Because it cannot be made invisible, when transmitting confidential information from one legitimate right holder to another, the same copy paper cannot be used and separate information records are created. There was the complication of having to use copy paper with the copies invisible.

これに対して本発明は、特定の無色蛍光顔料
と、流動パラフインまたはワセリンあるいはこれ
らの混合物からなる油と、パラフイン、精成カル
ナバ、あるいはポリエチレンワツクスからなるワ
ツクスとを必須の組成成分とする感圧複写用イン
キからなり、本発明の感圧複写用インキによる感
圧複写インキ層を具備する感圧複写原紙とするこ
とにより、複写用紙に感圧記録された情報が、正
当な権利者以外の第3者に対しては読み取り不可
能な状態にされており、また、この情報を第1の
正当な権利者から第2の正当権利者に対して、正
当な権利者以外の第3者に対しては読み取り不可
能な状態で伝達し得るという特別の作用を奏する
感圧複写紙が提供される。
On the other hand, the present invention provides a colorless fluorescent pigment in which the essential components are a specific colorless fluorescent pigment, an oil made of liquid paraffin, petrolatum, or a mixture thereof, and a wax made of paraffin, refined carnauba, or polyethylene wax. By using a pressure-sensitive copying base paper made of pressure-sensitive copying ink and having a pressure-sensitive copying ink layer made of the pressure-sensitive copying ink of the present invention, information pressure-sensitively recorded on the copying paper can be protected from unauthorized parties other than the legitimate rights holder. This information is made unreadable to third parties, and this information is not transferred from the first legitimate right holder to the second legitimate right holder, or to any third party other than the legitimate right holder. For this purpose, pressure-sensitive copying paper is provided which has the special function of being able to transmit data in an unreadable state.

以下、本発明の感圧複写用インキの構成につい
て詳述する。
Hereinafter, the structure of the pressure-sensitive copying ink of the present invention will be described in detail.

本発明の感圧複写用インキは、波長200〜300n
mの紫外光で発光する無色螢光顔料と油とワツク
スとから成る混合組成物、あるいは該混合組成物
に更に普通着色顔料またはエチレン−酢酸ビニル
共重合体、あるいはこれらの両者が添加、混合さ
れている混合組成物から成るもので、感圧複写用
インキをなす全混合組成物中において、波長200
〜300nmの紫外光で発光する無色螢光顔料が20
〜50重量%、油が15〜40重量%、ワツクスが20〜
50重量%の範囲内にあるものである。
The pressure-sensitive copying ink of the present invention has a wavelength of 200 to 300n.
A mixed composition consisting of a colorless fluorescent pigment that emits light under ultraviolet light of It consists of a mixed composition with a wavelength of 200
20 colorless fluorescent pigments that emit light under ~300nm ultraviolet light
~50% by weight, oil 15~40% by weight, wax 20~
It is within the range of 50% by weight.

本発明の感圧複写用インキをなす全混合組成物
中の無色螢光顔料は、波長200〜300nmの紫外光
で発色するものであることが必要である。これ
は、本発明の感圧複写用インキの本来の用途が、
第3者への秘密漏洩防止を目的とした感圧複写紙
における感圧複写インキ層の形成であるため、形
成される感圧複写インキ層を、第3者には容易に
気付かれ得ない感圧複写インキ層とする必要上、
特にその種類が少なく、業界において容易には入
手し難い波長200〜300nmの紫外光で発光する無
色螢光顔料を選択、利用するものであり、例えば
Zn2SiO4/Mn、CaWO4、あるいはCaWO4/Pb
等の螢光顔料を使用することが出来る。本発明の
感圧複写用インキにおいては、全混合組成物中に
おいて、この無色螢光顔料が20重量%未満になる
と、これを使用した複写紙は、正当権利者が感圧
筆記された後の複写用紙面に紫外線を照射し、情
報記録部を読み取る場合に、該記録部の発光が不
十分で読み取り操作が困難になるという欠点を生
ずる。他方、この螢光顔料が50重量%を越える
と、得られるインキ自体の流動性が損われ、複写
原紙面に感圧複写インキ層を形成する操作が困難
となり、かつ形成される感圧複写インキ層に斑が
発生し易く、複写用紙面に均一な情報記録部を形
成することが出来なくなるという欠点を生ずる。
The colorless fluorescent pigment in the entire mixed composition constituting the ink for pressure-sensitive copying of the present invention must be one that develops color with ultraviolet light having a wavelength of 200 to 300 nm. This means that the original use of the pressure-sensitive copying ink of the present invention is
Since the pressure-sensitive copying ink layer is formed on pressure-sensitive copying paper for the purpose of preventing secret leakage to third parties, the formed pressure-sensitive copying ink layer cannot be easily noticed by third parties. Due to the need for pressure copying ink layer,
In particular, colorless fluorescent pigments that emit light with ultraviolet light in the wavelength range of 200 to 300 nm, which are of limited variety and difficult to obtain in the industry, are selected and used, such as
Zn 2 SiO 4 /Mn, CaWO 4 or CaWO 4 /Pb
Fluorescent pigments such as can be used. In the pressure-sensitive copying ink of the present invention, if the colorless fluorescent pigment is less than 20% by weight in the total mixed composition, copying paper using this pigment will be used after pressure-sensitive writing by the rightful right holder. When the information recording section is read by irradiating the surface of the copy paper with ultraviolet rays, there arises a disadvantage that the recording section does not emit enough light, making the reading operation difficult. On the other hand, if the fluorescent pigment exceeds 50% by weight, the fluidity of the obtained ink itself will be impaired, making it difficult to form a pressure-sensitive copying ink layer on the surface of the copying base paper, and the pressure-sensitive copying ink that is formed will be difficult to form. This has the drawback that unevenness tends to occur in the layer, making it impossible to form a uniform information recording area on the surface of the copy paper.

本発明の感圧複写用インキにおける油成分とし
ては、流動パラフインまたはワセリンが使用され
るが、この油は、全混合組成物中において15〜40
重量%の範囲内で添加、混合されていることが必
要である。これは、本発明の感圧複写用インキを
なす全混合組成物において、油が15重量%未満だ
と、このインキを利用して形成される感圧複写イ
ンキ層の複写性能が悪く、該インキによる本来の
機能が不十分となるためであり、また40重量%を
越す大量になると、複写原紙面に形成される感圧
複写インキ層の汚染度がひどくなり、複写用紙面
に鮮明な情報記録部を形成し得なくなるためであ
る。
Liquid paraffin or petrolatum is used as the oil component in the pressure-sensitive copying ink of the present invention, and this oil contains 15 to 40% of the total mixed composition.
It is necessary to add and mix within the range of weight %. This is because if the total mixed composition constituting the pressure-sensitive copying ink of the present invention contains less than 15% by weight of oil, the copying performance of the pressure-sensitive copying ink layer formed using this ink is poor, and the ink is If the amount exceeds 40% by weight, the degree of contamination of the pressure-sensitive copy ink layer formed on the surface of the copy paper becomes severe, making it difficult to record clear information on the surface of the copy paper. This is because it becomes impossible to form a section.

更に、本発明の感圧複写用インキにおけるワツ
クス成分としては、パラフイン、精成カルナバ、
あるいはポリエチレンワツクスによるポリオレフ
インワツクスが利用されるが、このワツクス成分
は、本発明の感圧複写用インキをなす全混合組成
物中において、20〜50重量%の範囲内で添加、混
合されていることが必要である。これは、全混合
組成物中においてワツクス成分が50重量%を越え
ると、このインキを使用して形成される感圧複写
インキ層の感圧複写性能が悪く、本発明の感圧複
写用インキによつて果される本来の感圧複写機能
が不十分となるためであり、またワツクス成分が
20重量%未満では、複写原紙面に形成される感圧
複写インキ層の汚染度が激しく、複写用紙面に鮮
明な情報記録部を得ることが困難となるためであ
る。
Furthermore, wax components in the pressure-sensitive copying ink of the present invention include paraffin, purified carnauba,
Alternatively, a polyolefin wax made of polyethylene wax is used, and this wax component is added and mixed within a range of 20 to 50% by weight in the total mixed composition forming the pressure-sensitive copying ink of the present invention. It is necessary to be present. This is because when the wax component exceeds 50% by weight in the total mixed composition, the pressure-sensitive copying performance of the pressure-sensitive copying ink layer formed using this ink is poor, and the pressure-sensitive copying ink of the present invention is This is because the original pressure-sensitive copying function is insufficient, and wax components are
If the amount is less than 20% by weight, the pressure-sensitive copying ink layer formed on the copying paper surface will be highly contaminated, making it difficult to obtain clear information recording areas on the copying paper surface.

以上、本発明の感圧複写用インキをなす混合組
成物においては、油は流動パラフインまたはワセ
リンが、また、ワツクスはパラフイン、精成カル
ナバ、あるいはポリエチレンワツクスによるポリ
オレフインワツクスが使用されており、これらの
物質は、いずれも波長200〜300nmの紫外光の照
射による組成物中の螢光顔料の発光を妨げること
のないもので、前記紫外光の吸収度が小さく、透
過率が高いという特質を有するものである。
As described above, in the mixed composition constituting the ink for pressure-sensitive copying of the present invention, liquid paraffin or petrolatum is used as the oil, and paraffin, refined carnauba, or polyolefin wax made of polyethylene wax is used as the wax. All of these substances do not interfere with the luminescence of the fluorescent pigment in the composition when irradiated with ultraviolet light with a wavelength of 200 to 300 nm, and have the characteristics of low absorption of ultraviolet light and high transmittance. It is something that you have.

本発明の感圧複写用インキは、以上の螢光顔料
と油とワツクスとの3者の混合組成物によつて構
成せしめ得るが、更に必要に応じて、普通着色顔
料やエチレン−酢酸ビニル共重合体を適宜添加、
混合せしめることも出来る。
The ink for pressure-sensitive copying of the present invention may be composed of a mixed composition of the above-mentioned fluorescent pigment, oil, and wax. Add appropriate polymer,
It is also possible to mix them.

必要に応じて添加、混合せしめられる普通着色
顔料は、感圧複写用インキによつて形成される感
圧複写インキ層の成膜状態を判定する際の基準と
なるばかりか、感圧複写用インキに混入される着
色夾雑物による弊害を防止する作用をも果すが、
感圧複写用インキによる螢光顔料の発光に悪影響
を及ぼすことのないように、通常、全混合組成物
中において5重量%以下の量で使用することが好
ましい。
Ordinary colored pigments, which are added and mixed as necessary, not only serve as a standard for determining the film formation state of the pressure-sensitive copying ink layer formed by the pressure-sensitive copying ink, but also It also has the effect of preventing the harmful effects of colored impurities mixed in with the
Generally, it is preferable to use the fluorescent pigment in an amount of 5% by weight or less in the total mixed composition so as not to adversely affect the luminescence of the fluorescent pigment by the pressure-sensitive copying ink.

更に、必要に応じて添加、混合されるエチレン
−酢酸ビニル共重合体は、該エチレン−酢酸ビニ
ル共重合体とワツクスとの相溶性が高く、得られ
る感圧複写用インキの粘度を上昇させる作用を果
すもので、該インキにおける紙面への接着特性を
高める作用を奏すものであり、しかも、該共重合
体は紫外光の透過率が高いので、感圧複写用イン
キ中の螢光顔料の発色を妨害することがないとい
う特性を有するものである。
Furthermore, the ethylene-vinyl acetate copolymer, which is added and mixed as necessary, has high compatibility with the wax and has the effect of increasing the viscosity of the obtained pressure-sensitive copying ink. The copolymer has a high transmittance to ultraviolet light, which enhances the adhesion properties of the ink to the paper surface. It has the characteristic of not interfering with

本発明の感圧複写用インキは叙上の通りの構成
から成るもので、例えば、図面に例示される構成
の感圧複写紙における複写原紙の感圧複写インキ
層の形成に使用されるものであるので、以下、本
発明の感圧複写用インキを使用した感圧複写紙の
例を、図面に基づいて説明する。
The ink for pressure-sensitive copying of the present invention has the structure as described above, and is used, for example, to form a pressure-sensitive copying ink layer on a copying base paper in pressure-sensitive copying paper having the structure illustrated in the drawings. Therefore, examples of pressure-sensitive copying paper using the pressure-sensitive copying ink of the present invention will be described below based on the drawings.

図は1枚の複写原紙1と1枚の複写用紙2とか
らなる1組の複写紙3を示すものであり、複写原
紙1の裏面4の所定の部分に、本発明の感圧複写
用インキによる感圧複写インキ層5が設けられて
おり、複写用紙2の表面6において、前記感圧複
写インキ層5と対向する領域に、感圧複写インキ
層5の色と同一色のベタもしくは地紋からなる隠
蔽用印刷層7が設けられた構成からなつている。
感圧複写インキ層5を形成する感圧複写用インキ
中に普通着色顔料が添加、含有されていないとき
には、前記複写用紙2の表面6の隠蔽用印刷層7
は必ずしも必要とされるものではない。
The figure shows a set of copy paper 3 consisting of one copy base paper 1 and one copy paper 2, and a predetermined portion of the back side 4 of the copy base paper 1 is coated with the pressure-sensitive copying ink of the present invention. A pressure-sensitive copying ink layer 5 is provided on the surface 6 of the copying paper 2 in an area facing the pressure-sensitive copying ink layer 5. It has a structure in which a concealing printed layer 7 is provided.
When the pressure-sensitive copying ink forming the pressure-sensitive copying ink layer 5 does not contain a normal coloring pigment, the concealing printing layer 7 on the surface 6 of the copying paper 2
is not necessarily required.

以上の例示構造からなる1組の複写紙3を使用
して、複写原紙1上から筆圧により所定の情報記
録を行うと、複写用紙2の表面6に、波長200〜
300nmの紫外光で発光する無色螢光顔料を含む
感圧複写インキで情報が複写される。この場合、
複写原紙1における感圧複写インキ層5が、普通
着色顔料を含んでいる場合には、隠蔽用印刷層7
上に情報が複写され、しかも該隠蔽用印刷層7の
色と複写用紙2に複写される記録の色とが同一色
とされている。また、感圧複写インキ層5が波長
200〜300nmの紫外光で発光する無色螢光顔料以
外の顔料を含んでいない場合には、複写用紙2に
複写される記録の色は無色である。したがつて、
いずれにしても、複写用紙2面の複写記録は通常
の状況下の肉眼では読み取ることの出来ないもの
となつているが、複写記録された複写用紙2を入
手した正当権利者が、複写用紙2を、例えば水銀
灯に200〜300nmの光を透過する特殊フイルター
を付設する等の手段の下に置いたときに、初めて
複写用紙2に複写記録されている文字、記号、絵
図等が判読可能となるものである。
When predetermined information is recorded on the copy paper 1 by pen pressure using a set of copy paper 3 having the above-mentioned structure, the wavelength 200~
The information is copied with pressure-sensitive copying ink containing colorless fluorescent pigments that emit light at 300 nm ultraviolet light. in this case,
When the pressure-sensitive copy ink layer 5 on the copy base paper 1 contains a normal coloring pigment, the concealing printing layer 7
Information is copied thereon, and the color of the concealing print layer 7 and the color of the recording copied onto the copy paper 2 are the same color. Moreover, the pressure-sensitive copying ink layer 5 has a wavelength
If no pigment other than a colorless fluorescent pigment that emits light with ultraviolet light of 200 to 300 nm is contained, the color of the record copied onto the copy paper 2 will be colorless. Therefore,
In any case, although the copy record on the second side of the copy paper cannot be read with the naked eye under normal circumstances, the legitimate right holder who obtained the copy paper 2 with the copy record recorded on the copy paper 2 It is only when the paper is placed under a means such as a mercury lamp equipped with a special filter that transmits light of 200 to 300 nm that the characters, symbols, pictures, etc. recorded on the copy paper 2 become legible. It is something.

本発明の感圧複写用インキは以上の通りの構成
からなり、図示例で説明したような、感圧複写原
紙における感圧複写インキ層の形成に利用される
ものであり、複写用紙面の複写記録を、正当権利
者以外の第3者に漏洩することなく、正当権利者
のみに、しかも1枚の複写用紙により複数の正当
権利者のみに伝達させ得る複写紙たらしめるとい
う作用、効果を奏するものである。
The pressure-sensitive copying ink of the present invention has the above-mentioned structure, and is used for forming a pressure-sensitive copying ink layer on a pressure-sensitive copying base paper as explained in the illustrated example, and is used for forming a pressure-sensitive copying ink layer on a pressure-sensitive copying base paper, as described in the illustrated example. It has the function and effect of making a copy paper capable of transmitting records only to the legitimate right holder, and moreover, only to a plurality of legitimate right holders using one sheet of copy paper, without leaking the record to a third party other than the legitimate right holder. It is something.

以下、本発明の感圧複写用インキの具体的な構
成を実施例を以つて説明する。
Hereinafter, the specific structure of the pressure-sensitive copying ink of the present invention will be explained using Examples.

実施例 組成物〔A〕 (1) 無色螢光顔料(主成分:Zn2SiO4)30重量部 〔波長254nmの紫外光で発光〕 〔商品名:GG49、根本特殊化学(株)製〕 (2) 普通着色顔料(緑色) 5重量部 〔商品名:リオノールブルー、東洋インキ(株)製
リオノールイエロー、東洋インキ(株)製、混合
物〕 (3) 流動パラフイン 15重量部 (4) ワセリン 5重量部 組成物〔B〕 (1) パラフイン 15重量部 (2) 精成カルナバ 10重量部 (3) ポリオレフイン系ワツクス 15重量部 (4) エチレン−酢酸ビニル共重合体 5重量部 〔エバフレツクス#410:三井ケミカル(株)製〕 組成物〔A〕を三本ロールで混練した後、加熱
溶解させてある組成物〔B〕と混合し、90〜100
℃の加熱下に、デイゾルバーで90分間撹拌処理
し、本発明の感圧複写用インキを得た。
Example composition [A] (1) 30 parts by weight of colorless fluorescent pigment (main component: Zn 2 SiO 4 ) [Emits light with ultraviolet light with a wavelength of 254 nm] [Product name: GG49, manufactured by Nemoto Tokushu Kagaku Co., Ltd.] ( 2) Ordinary colored pigment (green) 5 parts by weight [Product name: Lionor Blue, Toyo Ink Co., Ltd. Lionol Yellow, Toyo Ink Co., Ltd., mixture] (3) Liquid paraffin 15 parts by weight (4) Vaseline 5 parts by weight Composition [B] (1) Paraffin 15 parts by weight (2) Refined carnauba 10 parts by weight (3) Polyolefin wax 15 parts by weight (4) Ethylene-vinyl acetate copolymer 5 parts by weight [Evaflex #410 : Manufactured by Mitsui Chemicals Co., Ltd.] After kneading the composition [A] with three rolls, it was mixed with the heated and dissolved composition [B], and the mixture was heated to 90 to 100 ml.
The ink for pressure-sensitive copying of the present invention was obtained by stirring for 90 minutes with a dissolver while heating at .degree.

【図面の簡単な説明】[Brief explanation of drawings]

図は、本発明の感圧複写用インキを利用して得
られた1組の複写紙を示す模型的断面図である。 1:複写原紙、2:複写用紙、3:複写紙、
5:感圧複写インキ層、7:隠蔽用印刷層。
The figure is a schematic cross-sectional view showing a set of copying paper obtained using the pressure-sensitive copying ink of the present invention. 1: copy paper, 2: copy paper, 3: copy paper,
5: Pressure-sensitive copying ink layer, 7: Concealing printing layer.

Claims (1)

【特許請求の範囲】[Claims] 1 波長200〜300nmの紫外光で発光する無色蛍
光顔料と、流動パラフインまたはワセリンあるい
はこれらの混合物からなる油と、パラフイン、精
成カルナバ、あるいはポリエチレンワツクスから
なるワツクスとの混合組成物、あるいは、該混合
組成物に普通着色顔料またはエチレン−酢酸ビニ
ル共重合体、あるいはこれらの両者が添加、混合
されている混合組成物からなり、全混合組成物中
において、無色蛍光顔料が20〜50重量%、油が15
〜40重量%、ワツクスが20〜50重量%の範囲内に
あることを特徴とする感圧複写用インキ。
1. A mixed composition of a colorless fluorescent pigment that emits light with ultraviolet light with a wavelength of 200 to 300 nm, an oil made of liquid paraffin, petrolatum, or a mixture thereof, and a wax made of paraffin, refined carnauba, or polyethylene wax, or The mixed composition consists of a mixed composition in which an ordinary colored pigment, an ethylene-vinyl acetate copolymer, or both are added and mixed, and the colorless fluorescent pigment is 20 to 50% by weight in the whole mixed composition. , oil is 15
~40% by weight, and a wax content in the range of 20 to 50% by weight.
JP56172508A 1981-10-28 1981-10-28 Ink for pressure sensitive copying Granted JPS5872496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56172508A JPS5872496A (en) 1981-10-28 1981-10-28 Ink for pressure sensitive copying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56172508A JPS5872496A (en) 1981-10-28 1981-10-28 Ink for pressure sensitive copying

Publications (2)

Publication Number Publication Date
JPS5872496A JPS5872496A (en) 1983-04-30
JPH0427038B2 true JPH0427038B2 (en) 1992-05-08

Family

ID=15943260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56172508A Granted JPS5872496A (en) 1981-10-28 1981-10-28 Ink for pressure sensitive copying

Country Status (1)

Country Link
JP (1) JPS5872496A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02171278A (en) * 1988-12-26 1990-07-02 Agency Of Ind Science & Technol Data reading method
JPH02171280A (en) * 1988-12-26 1990-07-02 Agency Of Ind Science & Technol Fluorescent ink composition for ink jet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53481Y2 (en) * 1972-04-04 1978-01-10
JPS54159008A (en) * 1978-06-01 1979-12-15 Naigai Ink Mfg Co Ltd Pressureesensitive copying paper
JPS5515032U (en) * 1978-07-18 1980-01-30
JPS5517717A (en) * 1978-07-19 1980-02-07 Kubota Ltd Flexible disconnection preventing pipe joint
JPS5669463U (en) * 1979-10-31 1981-06-09

Also Published As

Publication number Publication date
JPS5872496A (en) 1983-04-30

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