JPS599666A - Electrostatic recording material - Google Patents
Electrostatic recording materialInfo
- Publication number
- JPS599666A JPS599666A JP11771582A JP11771582A JPS599666A JP S599666 A JPS599666 A JP S599666A JP 11771582 A JP11771582 A JP 11771582A JP 11771582 A JP11771582 A JP 11771582A JP S599666 A JPS599666 A JP S599666A
- Authority
- JP
- Japan
- Prior art keywords
- electrostatic recording
- layer
- ceramic
- recording material
- temp
- 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
- 239000000463 material Substances 0.000 title claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000010410 layer Substances 0.000 abstract description 27
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011241 protective layer Substances 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 abstract description 3
- 229910002113 barium titanate Inorganic materials 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 108091008695 photoreceptors Proteins 0.000 description 13
- 238000010304 firing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 101100033673 Mus musculus Ren1 gene Proteins 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
- G03G15/751—Details relating to xerographic drum, band or plate, e.g. replacing, testing relating to drum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Photoreceptors In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、ｍ子写真複厚機等に用いられる静電記録体の
改良に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in an electrostatic recording medium used in an m-child photomultilayer machine and the like.
従来、ｍ子写’ｔ＝を複写機等において、静電記録体の
結露を防止するため、あるいは静電記録層の低温特性を
改善する等のために、静電記録体の近傍に面状ヒータや
ポジスタ−等の加温手段を設けることは行われている。Conventionally, in copying machines and the like, a planar surface was applied near the electrostatic recording material in order to prevent dew condensation on the electrostatic recording material or to improve the low-temperature characteristics of the electrostatic recording layer. It is common practice to provide heating means such as heaters and posistars.
ＮＩＩち、静電記＠層に用いられるＳｅ系や有機光尋電
体ＯＰＣ等の感光体は５〜１５℃の範囲で受容電位の上
昇や感度低下あるいけ残留電位の上昇等が起り、そのた
めにかぶり等が発生して画質の低下につながるし、また
表面に結露が生ずると画像流れやクリーニング不良を発
生する。加温手段はこのようなトラブルの発生を防止す
るものであるが、前述のような従来の加温手段では、温
度の制御が鑓かしくて、感光体に温度ムラを発生し易く
、そのためにＲｔ質低下が生じたりするし、また特にポ
ジスタ−を用いた場合は感光体の一部分が高温になった
りして感光体が損傷し易いと云う問題もある。Photoreceptors such as Se-based and organic photoreceptor OPC used in electrostatic recording layers exhibit an increase in acceptance potential, a decrease in sensitivity, or an increase in residual potential in the range of 5 to 15°C. Fog occurs, leading to a decline in image quality, and condensation on the surface causes image deletion and poor cleaning. Heating means prevent the occurrence of such troubles, but with the conventional heating means mentioned above, temperature control is difficult and temperature unevenness tends to occur on the photoreceptor, and therefore Rt. In addition, especially when a posister is used, there is a problem in that a part of the photoreceptor becomes hot and the photoreceptor is easily damaged.
一方、従来の静電記録体は、基体としてアルミニウム素
材を切削加工したものが多く用いられており、その基体
面に感光体層をＪし成したものにあっては、感光体Ｉに
ｉの再生において基体が損耗を受け易く、したがって基
体の耐用寿命が短かいと云う問題があり、また基体の切
削痕跡が画像に現われることがあると云う問題もあった
。On the other hand, in many conventional electrostatic recording materials, a substrate made by cutting an aluminum material is often used, and in those with a photoreceptor layer formed on the surface of the substrate, the photoreceptor I has a There is a problem that the substrate is susceptible to wear and tear during recycling, and therefore the useful life of the substrate is short, and there is also a problem that cutting marks on the substrate may appear in the image.
本発明は、上述の問題を解消するためになされたもので
あり、本発明の目的は、温度制御が容易に行われて温度
ムラを生せしめることなく、結露防止や低温％性を改善
することができ、さらに感光体層の病生における基体の
再利用に対しても耐用性に優れた静電記録体を提供する
ことにある。The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to easily perform temperature control and prevent temperature unevenness, and to improve prevention of dew condensation and low-temperature performance. It is an object of the present invention to provide an electrostatic recording material which can be used in a photoreceptor layer and has excellent durability even when the substrate is reused when the photoreceptor layer is damaged.
本発明の静電記録体ｄ“、抵抗発熱体がセラミック層に
埋め込まれた構造の基体を有することを特徴とし、この
特徴によって上述の目的を達成したものである。The electrostatic recording material d'' of the present invention is characterized in that it has a base structure in which a resistance heating element is embedded in a ceramic layer, and this feature achieves the above-mentioned object.
以下、本発明を図面に−ａＩいて説明する。Hereinafter, the present invention will be explained with reference to the drawings.
第１図は本発明の静電記録体の一例を不す断面図、第、
２図は層構成を示す部分斜視図である。FIG. 1 is a sectional view excluding an example of the electrostatic recording material of the present invention;
FIG. 2 is a partial perspective view showing the layer structure.
図において、ｌは例えばアルミナセラミックにより形成
された肉厚ｌθ關のセラミック円ｆ＆、λは例えばチタ
ン酸バリウムを主体としたＰＴＯ素材を用いてセラミッ
ク円筒ｌの外周にプリントした帯状の並列抵抗発熱体、
３は抵抗発熱体コを設けられたセラミック円筒／の外周
を被覆するように設けた例えば緻密質のアルミナセラミ
ックより成る厚さ０．２ｔｎｒｎのセラミック保護層で
、以上が静電記録体の基体を構成している。このような
基体は、先にセラミック円筒ｌ全焼成し、その上に抵抗
発熱体２とセラミック保護層３とを設けて再び焼成する
ことにより得られたものでも、セラミック円筒／と抵抗
発熱体λ及びセラミック保護１ｖＩ３とが一度に焼成さ
れて得られたものでもよく、セラミック保護ｊω３の表
面は必要に応じて研磨され、先にセラミック円筒ｌを焼
成するものではその表面もまた必要に応じて研磨される
。ｌＩはセラミック保護層３の上に例えばアルミニウム
を蒸着して設けた導電層、５はその上に例えばＯＰＯを
塗布することによって設けた厚さ７６μｍの静電記録層
である。以上のようにして得られる円筒状の構成体の両
端部には７ランク部を有する軸体が取付けられ、そして
抵抗発熱体２０両端は軸体に設けた集電極環に接続され
て、その集電極環を摺擦するカーボンブラシや鋼合金板
ばね等の集電子を介し電源か電源電圧を制御することに
よって容易に静電記録層Ｓの温度を制御することができ
、しかも抵抗発熱体コの配設を適当にし、さらには抵抗
発熱体λに先に述べたようなＰＴＣ＋特性を有する素材
を用いることによって簡明に湿度分布を均一に制御する
ことができ、また従来のアルミニウム基体の静電記録装
置におけるような切削痕跡が画像に現われることもなく
、劣化した静電記録層ｊを溶剤等を用いであるいは機械
的に取除いて１４生する場合も、基体のセラミックが耐
薬品性、耐熱性に優れて硬屡二も大であることからＦ’
ａ： Ａ’）て耐用性に優れると云う多くの効果を与え
る。In the figure, l is a ceramic circle f& of wall thickness lθ formed of, for example, alumina ceramic, and λ is a strip-shaped parallel resistance heating element printed on the outer periphery of the ceramic cylinder l using, for example, a PTO material mainly made of barium titanate. ,
3 is a ceramic protective layer with a thickness of 0.2 tnrn made of, for example, dense alumina ceramic, which is provided to cover the outer periphery of the ceramic cylinder/on which the resistance heating element is installed; It consists of Such a base body can be obtained by first completely firing the ceramic cylinder l, then providing the resistance heating element 2 and the ceramic protective layer 3 thereon and firing it again, or by completely firing the ceramic cylinder / and the resistance heating element λ. and ceramic protection 1vI3 may be fired at the same time, and the surface of the ceramic protection jω3 may be polished as necessary, and if the ceramic cylinder l is fired first, that surface may also be polished as necessary. be done. II is a conductive layer provided on the ceramic protective layer 3 by depositing aluminum, for example, and 5 is an electrostatic recording layer having a thickness of 76 μm provided thereon by coating OPO, for example. A shaft body having seven rank parts is attached to both ends of the cylindrical structure obtained as described above, and both ends of the resistance heating element 20 are connected to a collector ring provided on the shaft body. The temperature of the electrostatic recording layer S can be easily controlled by controlling the power supply voltage through a current collector such as a carbon brush or steel alloy leaf spring that rubs the electrode ring, and moreover, the temperature of the electrostatic recording layer S can be easily controlled by By appropriately arranging the resistive heating element λ and using a material with PTC+ characteristics as described above, it is possible to easily and uniformly control the humidity distribution, and it is also possible to easily control the humidity distribution evenly using conventional aluminum-based electrostatic recording. There are no cutting marks that appear on the image as in the case of the device, and even when the deteriorated electrostatic recording layer is removed using a solvent or the like or mechanically, the ceramic base has chemical resistance and heat resistance. F' because it is excellent in hardness and hardness is also large.
a: A') It provides many effects such as excellent durability.
なお、本発明ｔ、［静？Ｉ（記録１４１：がドラム状の
ものに限らず半＋１１１状のものであってもよく、また
抵抗発熱体もＰＴＣ特性を有するものに限られないこと
も勿論である。In addition, the present invention is [static? It goes without saying that I (Record 141:) is not limited to a drum shape but may be a half+111 shape, and the resistance heating element is not limited to one having PTC characteristics.
実施例
第１図、第２図に示したセラミック円筒／が外径７９．
６φ、肉厚７０間のアルミナセラミックよりな９、抵抗
発熱体コがキューＩＪ−４，ＴＯが／Ｓ ℃のチタン酸
バリウムを主体きしたＰＴＯ素材よりなり、セラミック
保護層３が表面を研磨された層厚０．２１ｎｍの緻密質
アルミナセラミックよりなり、導電層弘がアルミニウム
蒸着層よりなり、静電記録層ｊが層厚ｚ５ ｍｍの有機
光導電層を有する感光体よりなる静電記録体を電子写真
複写機に用いて複写を行った。Example: The ceramic cylinder shown in FIGS. 1 and 2 has an outer diameter of 79.
The resistance heating element is made of alumina ceramic with a diameter of 6 φ and a wall thickness of 70 mm.The resistance heating element is made of a PTO material mainly containing barium titanate with a TO of /S ℃, and the surface of the ceramic protective layer 3 is polished. An electrostatic recording body is made of a dense alumina ceramic with a layer thickness of 0.21 nm, the conductive layer is made of an aluminum vapor-deposited layer, and the electrostatic recording layer is a photoreceptor having an organic photoconductive layer with a layer thickness of 5 mm. Copies were made using an electrophotographic copying machine.
抵抗発熱体に電流を通ずることなく前記感光体の温度が
７０℃の状態で複写を行った場合には、感光体の残留電
位が／３０ Ｖにも達してかぶりの発生が見られたが、
抵抗発熱体に電流をｊｏｌじ前記感光体の温度を２ｆ７
℃に保つようにした処、表面温度が極めて均一に保たれ
、残留電位もＳＯＶ程度になって、かぶりのない鮮明な
複写が安定して行われた。When copying was carried out with the temperature of the photoreceptor at 70° C. without passing current through the resistance heating element, the residual potential of the photoreceptor reached /30 V and fogging was observed.
A current is applied to the resistance heating element to reduce the temperature of the photoreceptor to 2f7.
When maintained at a temperature of .degree. C., the surface temperature was kept extremely uniform, the residual potential was around SOV, and clear copies without fog were stably produced.
第１図は本発明の静電記録体の一例を示す断面に、第２
図は層構成を示す部分斜視図である。
／・・・セラミック円筒、 λ・・・抵抗発熱体、３・
・・セラミック保護層、ダ・・・導電層、Ｓ・・・静電
記録層。
特許出願人 小西六写真工業株式会社
連１図
第２図
４３５−FIG. 1 is a cross section showing an example of the electrostatic recording material of the present invention, and a second
The figure is a partial perspective view showing the layer structure. /...ceramic cylinder, λ...resistance heating element, 3.
...ceramic protective layer, D...conductive layer, S...electrostatic recording layer. Patent applicant: Konishiroku Photo Industry Co., Ltd. Ren 1 Figure 2 Figure 435-
Claims (3)
造の基体を有することを特徴とする静電記録体。(1) An electrostatic recording material characterized by having a base having a structure in which a resistance heating element is embedded in a ceramic layer.
設けられている特許請求の範囲第１項記載の静電記録体
。(2) The electrostatic recording material according to claim 1, wherein conductive mJ* and iwIm recording layers are provided on the substrate.
許請求の範囲第１項ｆ、たは第２項記載の静電記録体。 （リ 前記抵抗発熱体がＰＴＯ科性を有する特許Ｊ＃求
の帥ＵＨ第１項乃字第３項記載の静電記録体。(3) The base body has a drum shape! +′f
An electrostatic recording medium according to claim 1(f) or 2. (Li) The electrostatic recording material described in Patent J# Application UH Sections 1 to 3, in which the resistance heating element has PTO properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11771582A JPS599666A (en) | 1982-07-08 | 1982-07-08 | Electrostatic recording material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11771582A JPS599666A (en) | 1982-07-08 | 1982-07-08 | Electrostatic recording material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS599666A true JPS599666A (en) | 1984-01-19 |
Family
ID=14718499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11771582A Pending JPS599666A (en) | 1982-07-08 | 1982-07-08 | Electrostatic recording material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS599666A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6169087A (en) * | 1984-09-13 | 1986-04-09 | Canon Inc | photoreceptor drum |
| JPS61124042U (en) * | 1985-01-19 | 1986-08-05 | ||
| JPS62199769U (en) * | 1986-06-09 | 1987-12-19 |
-
1982
- 1982-07-08 JP JP11771582A patent/JPS599666A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6169087A (en) * | 1984-09-13 | 1986-04-09 | Canon Inc | photoreceptor drum |
| JPS61124042U (en) * | 1985-01-19 | 1986-08-05 | ||
| JPS62199769U (en) * | 1986-06-09 | 1987-12-19 |
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