JPS5937551A - Electrophotographic transfer sheet - Google Patents
Electrophotographic transfer sheetInfo
- Publication number
- JPS5937551A JPS5937551A JP14682382A JP14682382A JPS5937551A JP S5937551 A JPS5937551 A JP S5937551A JP 14682382 A JP14682382 A JP 14682382A JP 14682382 A JP14682382 A JP 14682382A JP S5937551 A JPS5937551 A JP S5937551A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- metal
- transfer sheet
- resistance value
- electrophotographic transfer
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
- G03G7/006—Substrates for image-receiving members; Image-receiving members comprising only one layer
- G03G7/0066—Inorganic components thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
- G03G7/0053—Intermediate layers for image-receiving members
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
- G03G7/0086—Back layers for image-receiving members; Strippable backsheets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Printing Methods (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は近」dスイッチにより検知可能な金属又は金
属化合物を含有する電子写真用転写シートに関するもの
である。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electrophotographic transfer sheet containing a metal or metal compound that can be detected by a near-d switch.
オフィス複写機やファクシミリの普及に伴い。With the spread of office copy machines and facsimile machines.
機密にすべぎ文書あるいは著作権が与えられた記録の無
断複写を防止するための実際的な手段を提供することが
強く望まれ、既にいくつかの方法が提案されている。本
発明者等も文誓用シートに金属な蒸着、塗工、含浸、貼
り合わせ等して処理すると共tC,文書シート中の金属
を複写中文書の走査露光プロセスに合わせて検出し、応
答する手段を設けたgc置を提案している。It would be highly desirable to provide a practical means to prevent unauthorized copying of confidential documents or copyrighted records, and several methods have already been proposed. The present inventors also process the document sheet by metal vapor deposition, coating, impregnation, bonding, etc., and also detect and respond to the metal in the document sheet in accordance with the scanning exposure process of the document being copied. We are proposing a GC location with a means.
この発明は本発明者等が提案した前記の機密文書複写装
置において、一旦複写された情報の複写な防止するため
に使用することのできる電子写真用転写シートを提供す
ることを目的とするものである。The purpose of this invention is to provide an electrophotographic transfer sheet that can be used to prevent the copying of information once copied in the confidential document copying apparatus proposed by the present inventors. be.
従来金属を含有するシートとしては1例えば放電記録用
のアルミ蒸着紙等が知られている。これは第1図に断面
図を示したように基紙1aの上にカーボン層1h、アル
ミ蒸着層1C及び白色導電層1dを設けてなるものであ
る。このような金属含有シートは電子写真複写機に通紙
してコピーを得ようとしても電気抵抗値が低いために電
荷が逃げ、従って転写を行うことかできず電子写真用転
写シートとして利用できるものは従来存在しなかった。2. Description of the Related Art Conventionally, metal-containing sheets include, for example, aluminum vapor-deposited paper for discharge recording. As shown in the cross-sectional view in FIG. 1, this is made by providing a carbon layer 1h, an aluminum vapor deposited layer 1C, and a white conductive layer 1d on a base paper 1a. Even if such a metal-containing sheet is passed through an electrophotographic copying machine to obtain a copy, the electric charge will escape due to its low electrical resistance, so it cannot be transferred, so it can be used as an electrophotographic transfer sheet. did not previously exist.
この発明は近接検出器で検出でき、かつ電子写真用転写
シートとしても利用できる電気抵抗値、すなわち20C
1湿度(R、H,) 65−の条件における表面抵抗値
が5.0×109Ω以上、及び/又は体積抵抗値が1.
0X10”Ωcm以上の転写シートを初メて提供したも
のである。This invention has an electrical resistance value of 20C that can be detected by a proximity detector and can also be used as an electrophotographic transfer sheet.
1 Humidity (R, H,) The surface resistance value under the condition of 65- is 5.0 x 109Ω or more, and/or the volume resistance value is 1.
This is the first time that we have provided a transfer sheet with a resistance of 0x10" Ωcm or more.
本発明による電子写真用転写シートの構成としては1例
えば第2図に示すように真中の金属薄膜Wi2bな挾む
紙またはプラスチック層2a、2Cの三1mからなるも
のであり、所定の′屯気抵抗値を得る1こめには、必要
に応じて接着剤の柚類な選択することかできろ。接眉剤
としては、アクリル樹脂エマルジョン、+Fリエチレン
at Jlttエマルジョン、合成ゴムラテックス、ア
クリルエステル共重合物等が挙げられる。又全編薄膜層
の厚みは特に限定されず、ゼロックス等の複写機通紙性
から余り厚<rcい方が好ましい(60μ以下)。また
紙又はプラスチック層の厚みは10μを超えることが好
ましく、特に上限はない。The structure of the electrophotographic transfer sheet according to the present invention is as shown in FIG. 2. For example, as shown in FIG. For the first step in obtaining the resistance value, you can choose the type of adhesive you want, depending on your needs. Examples of the eyebrow agent include acrylic resin emulsion, +F polyethylene at Jltt emulsion, synthetic rubber latex, and acrylic ester copolymer. Further, the thickness of the entire thin film layer is not particularly limited, and it is preferable that the thickness < rc (60 μm or less) from the viewpoint of paper passing through a copying machine such as Xerox. Further, the thickness of the paper or plastic layer is preferably more than 10 μm, and there is no particular upper limit.
第6図は本発明の電子写真用転写シートの他の構成例で
あり紙またはプラスチック層6a上の全域もしくは金F
A酸化物等の金部含有層3bの上に電気抵抗調整層6ご
を設けたものであるが、複写機走行性の点から第2図に
示したものが好ましい。FIG. 6 shows another example of the structure of the electrophotographic transfer sheet of the present invention.
Although an electrical resistance adjustment layer 6 is provided on the gold part-containing layer 3b of A oxide or the like, the one shown in FIG. 2 is preferable from the viewpoint of runnability in a copying machine.
本発明で使用できる近接検出器により検知できる金属も
しくは金属化合物中の金属としては、アルミニウム、鉄
、銅、亜鉛、カド宜つム、銀、ニッケル等が挙げられる
が、製造上からアルミニウムが最も好ましい。Examples of metals or metals in metal compounds that can be detected by the proximity detector that can be used in the present invention include aluminum, iron, copper, zinc, cadmium, silver, and nickel, but aluminum is most preferred from the viewpoint of manufacturing. .
w、!1図に示した構成の場合、電気抵抗調整層として
は、アクリル系樹脂、エポキシ系樹脂、酢酸ビニル樹脂
、スチレン−ブタジェン共重合体アク\
リル岐エステル共重合体等を主成分として、所望により
電気抵抗調整剤を加え1表面抵抗値を5×109Ω以上
、又は体積抵抗値をi x io”0口以上に調整する
。Lol! In the case of the configuration shown in Figure 1, the electrical resistance adjustment layer contains acrylic resin, epoxy resin, vinyl acetate resin, styrene-butadiene copolymer ac\lyl branched ester copolymer, etc. as the main component, and optionally An electrical resistance adjuster is added to adjust the surface resistance value to 5×10 9 Ω or more, or the volume resistance value to i x io”0 or more.
近接検出器はうず電流損による高周波発振回路の発振回
路の発振コイルのインピーダンス変化を利用してあらゆ
る金属を非接触状態で検出できるものであり、内部構造
等については公知であるので詳細は省略する。Proximity detectors can detect all metals in a non-contact state by utilizing changes in the impedance of the oscillation coil of a high-frequency oscillation circuit caused by eddy current loss, and the internal structure is well known, so details will be omitted. .
次に本発明の電子写真用転写シートを実施例及び比較例
により説明する。Next, the electrophotographic transfer sheet of the present invention will be explained with reference to Examples and Comparative Examples.
実施例 1
市販の上質紙45kg紙の片面にアクリル樹脂系接着剤
を塗布し、その上に厚さ10μのγルミニウム薄膜を貼
付(、決1−/アルミニウム薄層の上にアクリル樹脂系
接着剤を塗布【7.その上に上質紙45に9紙を貼付け
て金属含有紙を得た。Example 1 An acrylic resin adhesive was applied to one side of 45 kg of commercially available high-quality paper, and a 10μ thick γ-luminium thin film was pasted on top of it. [7. Paper 9 was pasted on high-quality paper 45 to obtain metal-containing paper.
実施例 2
市販の上質紙45kl?紙の片面にセルロース系接着剤
を途布し、その上vcHさ15μのアルミニウム薄膜を
貼付け、その上にポリアクリル酸エチルエマルジョン5
0重鯖゛部(固型分として)、炭酸カルシウム40重証
部、プンプン10重量部、水50 !If量部からなる
塗料を乾燥時亜謔として8P/1−塗布して金属含有紙
を得た。Example 2 Commercially available high quality paper 45kl? Spread cellulose adhesive on one side of the paper, paste a thin aluminum film with a vcH of 15μ on top of it, and apply polyethyl acrylate emulsion 5 on top of it.
0 parts by weight of mackerel (as solid content), 40 parts by weight of calcium carbonate, 10 parts by weight of Punpun, 50 parts by weight of water! A metal-containing paper was obtained by applying 8P/1-1 coat of paint consisting of If amount part as a dry coating.
比較例 1
ヨウ化銅のウェットケーキ3kg、スチレンマレイン酸
共重合体の20チ水浴液400t、SBRラテックス2
00y、炭酸アンモニウムの2CN6水浴液1009を
混合し、直径5鰭のガラスピーズな用いた粉砕機kCて
1時間分散混合して塗液な得た。この塗液を上質紙45
ゆ紙の片面に乾燥時塗布It 10 P/−となるよう
に塗布し比較用シートを得た。Comparative Example 1 3 kg of copper iodide wet cake, 400 t of 20 ml water bath liquid of styrene maleic acid copolymer, SBR latex 2
00y and 2CN6 water bath solution 1009 of ammonium carbonate were mixed and dispersed and mixed for 1 hour using a pulverizer kC using a glass bead with a diameter of 5 fins to obtain a coating solution. Apply this coating liquid to 45 ml of high-quality paper.
A comparative sheet was obtained by coating one side of paper so that the dry coating gave It 10 P/-.
実施例 6
比較例1で作成したシートの塗工面上tCスチレンズタ
ジエンラテックス50重量部(固型分として)と炭酸カ
ルシウム、50重量部からなる塗料を乾燥時塗布If
10 ?/21”となるように塗布してシートを得た。Example 6 On the coated surface of the sheet prepared in Comparative Example 1, a paint consisting of 50 parts by weight of tC styrene tadiene latex (as solid content) and 50 parts by weight of calcium carbonate was applied during drying If
10? /21'' to obtain a sheet.
比較例 2
45kg上質X8の片面VCポリビニルアルコール(P
VA)水M紙を塗布し、その上[20μのアルミニウム
薄膜を貼付けて比較用シートを得た。Comparative example 2 45kg high quality X8 single-sided VC polyvinyl alcohol (P
VA) A comparative sheet was obtained by applying water M paper and pasting a 20 μm aluminum thin film thereon.
実施例1〜3及び比較例1〜2で得たシートについて電
子写真複写機のコピー質及び複写機の走行性のテストデ
ータ等を表1に示す。Table 1 shows test data on the copy quality of the electrophotographic copying machine and the runnability of the copying machine for the sheets obtained in Examples 1 to 3 and Comparative Examples 1 to 2.
表 1
0:良好、△:IIJ−川可能: 用 :使用不可能※
電気抵抗は、20U、湿度65%の環境条件下におい
て、4時間以上調湿したシートをJISC−2122−
17:LfiK規定゛されてイb’&mを用イー(印加
電圧’、 100 V PC=t:測定した。Table 1 0: Good, △: IIJ-Possible: Use: Unusable*
The electrical resistance of a sheet that has been conditioned for 4 hours or more under the environmental conditions of 20U and 65% humidity is JISC-2122-
17: LfiK specified and using b'&m (applied voltage', 100 V PC=t: Measured.
※※ 抵抗が低すぎ、測定器の針が振り切れて測定でき
なかった。※※ The resistance was too low and the needle of the measuring device wavered off, making it impossible to measure.
表1の結果から本発明のシートσ)すぐれた特性が明ら
かである。From the results in Table 1, it is clear that the sheet σ) of the present invention has excellent properties.
以上述べたように本発明は近接検出器により検知可能な
金属又は金属化合物を含有し、かつ鮮明rl電子写真転
写画像を得ることのできる電子写真用転写シートを提供
したものであり、近接検出器を備えた複写機に原稿とし
て使用する場合には通常の原稿と区別して、信号な出力
し、コピーを停止させたり、複写物を判読不能にしたり
、別のソーターヘコピーを振り分けたり、あるいはコピ
一時の現像トナーの色を変えたりして自動的に複写機の
機能を制御したりすることもできる。As described above, the present invention provides an electrophotographic transfer sheet that contains a metal or a metal compound that can be detected by a proximity detector and is capable of obtaining a clear RL electrophotographic transfer image. When used as an original in a copy machine equipped with It is also possible to automatically control the functions of the copying machine by changing the color of the temporary developing toner.
第1図は放電記録紙の断面図、第2図及び第6図は本発
明の電子写真用転写シート例の断面図である。
図中符号:
1a・・・基紙;1b・・・カーボン層;1C・・・ア
ルミ蒸着層;1d・・・白色導電層12a+2c・・・
紙又はプラスチックフィルム;2b・・・全域薄膜層;
3a・・・紙又はプラスチックフィルム;5b・・・金
属含有層;6C・・・電気抵抗調整層。FIG. 1 is a sectional view of a discharge recording paper, and FIGS. 2 and 6 are sectional views of examples of an electrophotographic transfer sheet of the present invention. Symbols in the figure: 1a... Base paper; 1b... Carbon layer; 1C... Aluminum vapor deposited layer; 1d... White conductive layer 12a+2c...
Paper or plastic film; 2b... thin film layer throughout the area;
3a... paper or plastic film; 5b... metal-containing layer; 6C... electrical resistance adjustment layer.
Claims (1)
し、温度20C1湿度65チの環境条件下における 表
面電気抵抗値が5.OX 109Ω以上及び/又は体積
電気抵抗値がi、o x i o10Ωcm以上である
ことな特徴とする電子写真用転写シート。It has a metal or metal compound layer that can be detected by a proximity detector, and has a surface electrical resistance value of 5.0 under environmental conditions of temperature 20C and humidity 65C. 1. A transfer sheet for electrophotography, characterized in that OX is 109 Ω or more and/or a volume electric resistance is i, ox io 10 Ωcm or more.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14682382A JPS5937551A (en) | 1982-08-26 | 1982-08-26 | Electrophotographic transfer sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14682382A JPS5937551A (en) | 1982-08-26 | 1982-08-26 | Electrophotographic transfer sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5937551A true JPS5937551A (en) | 1984-03-01 |
Family
ID=15416330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14682382A Pending JPS5937551A (en) | 1982-08-26 | 1982-08-26 | Electrophotographic transfer sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5937551A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6092248U (en) * | 1983-11-30 | 1985-06-24 | キソ化成産業株式会社 | blackout sheet |
EP2506078A1 (en) * | 2011-03-30 | 2012-10-03 | Schoeller Technocell GmbH & Co. KG | Recording material for electrophotographic printing |
WO2021079465A1 (en) * | 2019-10-24 | 2021-04-29 | 株式会社三宅 | Printing paper |
-
1982
- 1982-08-26 JP JP14682382A patent/JPS5937551A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6092248U (en) * | 1983-11-30 | 1985-06-24 | キソ化成産業株式会社 | blackout sheet |
JPH023547Y2 (en) * | 1983-11-30 | 1990-01-26 | ||
EP2506078A1 (en) * | 2011-03-30 | 2012-10-03 | Schoeller Technocell GmbH & Co. KG | Recording material for electrophotographic printing |
WO2021079465A1 (en) * | 2019-10-24 | 2021-04-29 | 株式会社三宅 | Printing paper |
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