JPS61209455A - Manufacture of cylindrical electrophotographic sensitive body - Google Patents
Manufacture of cylindrical electrophotographic sensitive bodyInfo
- Publication number
- JPS61209455A JPS61209455A JP5114685A JP5114685A JPS61209455A JP S61209455 A JPS61209455 A JP S61209455A JP 5114685 A JP5114685 A JP 5114685A JP 5114685 A JP5114685 A JP 5114685A JP S61209455 A JPS61209455 A JP S61209455A
- Authority
- JP
- Japan
- Prior art keywords
- coating
- cylindrical
- electrophotographic
- cylindrical support
- liquid
- 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
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
- G03G5/0525—Coating methods
Landscapes
- Coating Apparatus (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photoreceptors In Electrophotography (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、ゴミあるいは異物等の混入、もしくは感光液
の塗布溶媒の蒸発に基因する塗布故障が改良された円筒
状電子写真感光体の製造方法に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention is directed to the production of a cylindrical electrophotographic photoreceptor in which coating failures caused by contamination with dust or foreign matter, or evaporation of a coating solvent of a photosensitive liquid are improved. Regarding the method.
（従来の技術）
一般に電子写真複写装置においては、回転し得る儂担持
体、例えば電子写真感光体にトナー像を形成せしめ、こ
れを転写紙上に転写記録せしめて、繰返し複写を行なう
ことにより多数枚の複写画像が得られる。(Prior Art) Generally, in an electrophotographic copying apparatus, a toner image is formed on a rotatable carrier, such as an electrophotographic photoreceptor, and this is transferred and recorded onto transfer paper, and a large number of copies are made by repeatedly copying. A copy of the image is obtained.
とのよ５にｌりの原稿から繰返し多数枚の複写画像を得
る場合には、円筒状の回転し得る電子写真感光体の使用
は極めて便利であシ、ま良問時に装置のコンパクト化に
有利である他に、複写速度を早くする必要があふ装置に
おいても極めて優れた機能を有する。The use of a cylindrical, rotatable electrophotographic photoreceptor is extremely convenient when repeatedly producing multiple copies of images from as many as 500 originals. In addition to being advantageous, it also has an extremely excellent function in devices where high copying speed is frequently required.
最近の電子写真複写装置において上記のように有利に用
いられる円筒状電子写真感光体は、例えば特開昭４９−
１３０７３６号あるいは特公＠５７−２０６１８号等の
公報にも記載されているように、電子写真用感光液中に
円筒状支持体を浸漬し、次いで支持体をその軸方向を液
面に対しほぼ垂直にして感光液中よシ引上げて乾燥する
ようにしで製造される。The cylindrical electrophotographic photoreceptor that is advantageously used as described above in recent electrophotographic copying apparatuses is, for example,
As described in publications such as No. 130736 or Japanese Patent Publication No. 57-20618, a cylindrical support is immersed in an electrophotographic photosensitive liquid, and then the support is aligned with its axial direction approximately relative to the liquid level. It is manufactured by lifting it vertically into a photosensitive solution and drying it.
しかしながら、上記のような従来の感光体の製造方法に
おいては、塗布容器中に収納された塗布液の塗布溶媒が
塗布容器の内壁面あるいは塗布液表面から蒸発して塗布
組成物の１つであるバインダー等の皮膜状物質あるいは
ゲル状物質が発生し、これに基因する塗布故障が発生し
易いという欠点がある他、例えばゴミとか異物の混入に
よる塗布故障も発生する。However, in the conventional method for manufacturing a photoreceptor as described above, the coating solvent of the coating solution stored in the coating container evaporates from the inner wall surface of the coating container or the surface of the coating solution and is one of the coating compositions. There is a drawback that a film-like substance or a gel-like substance such as a binder is generated, and coating failures are likely to occur due to this, and coating failures may also occur due to the contamination of, for example, dust or foreign matter.
（発明が解決しようとする問題点）
そこで本発明は、前記のような塗布溶媒の塗布容器から
の蒸発あるいはゴミ、異物等の混入による塗布故障を発
生せしめることのない円筒状電子写真感光体の製造方法
を提供することを目的とする。(Problems to be Solved by the Invention) Therefore, the present invention provides a cylindrical electrophotographic photoreceptor that does not cause coating failures due to evaporation of the coating solvent from the coating container or contamination of dust, foreign matter, etc. as described above. The purpose is to provide a manufacturing method.
（問題点を解決するための手段）
本発明によれば、上記本発明の目的は、電子写真用塗布
液を必要量収納せる円筒状もしくは角柱状塗布容器に円
筒状支持体を浸漬し、しかる後に上記電子写真用塗布液
の塗布液面に対して該円筒状支持体を相対的に上下方向
に移動させることにより円筒状支持体に電子写真用塗布
液を塗布せしめる円筒状電子写真感光体の製造方法にお
いて、前記円筒状支持体を前記塗布容器から引き出して
から次に塗布すべき円筒状支持体を浸漬せしめるまでの
間、該塗布容器を密閉させるための蓋部材にて核種させ
る円筒状電子写真感光体の製造方法によシ達放すること
ができる。(Means for Solving the Problems) According to the present invention, the above-mentioned object of the present invention is to immerse a cylindrical support in a cylindrical or prismatic coating container containing a necessary amount of an electrophotographic coating solution, The cylindrical electrophotographic photoreceptor is then coated with an electrophotographic coating liquid on the cylindrical support by vertically moving the cylindrical support relative to the surface of the electrophotographic coating liquid. In the manufacturing method, from the time the cylindrical support is pulled out of the coating container until the next cylindrical support to be coated is immersed, the cylindrical electron is caused to emit a nuclide using a lid member for sealing the coating container. It can be released by a method of manufacturing a photographic photoreceptor.
以下、本発明を更に詳細に記載する。The invention will now be described in more detail.
本発明による円筒状電子写真感光体の製造方法は、電子
写真用塗布液を収納する塗布容器中に円筒状支持体を浸
漬し、次いで上記支持体を上下方向、すなわち塗布液面
に対して垂直方向に塗布液中から引上げてから乾燥する
方法に係る。The method for manufacturing a cylindrical electrophotographic photoreceptor according to the present invention involves immersing a cylindrical support in a coating container containing an electrophotographic coating solution, and then moving the support in the vertical direction, that is, perpendicular to the surface of the coating solution. This involves a method in which the liquid is pulled up from the coating liquid in the direction of the liquid and then dried.
本発明において用いられる電子写真塗布液としては、各
種の電子写真用光導電性物質、特に好ましくは有機光導
電性物質の有機溶媒に溶解せしめた感光液、基体と感光
性層との接着をたすける下引層を形成する塗布溶液、感
光性層の表面を保獲する保護層を形成する塗布溶液等を
挙げることができる。The electrophotographic coating liquid used in the present invention includes a photosensitive liquid in which various photoconductive substances for electrophotography, particularly preferably organic photoconductive substances, are dissolved in an organic solvent, and a photosensitive liquid is used to promote adhesion between the substrate and the photosensitive layer. Examples include a coating solution that forms an undercoat layer and a coating solution that forms a protective layer that protects the surface of the photosensitive layer.
上記の有機光導電性物質としては、例えばポリ−Ｎ−ビ
ニルカルバゾール、ポリ−９−ビニルアンスラセンおよ
びこれらの誘導体等を挙げることができる。Examples of the above-mentioned organic photoconductive substances include poly-N-vinylcarbazole, poly-9-vinylanthracene, and derivatives thereof.
また本発明に係る電子写真用塗布液のうちの感光液には
支持体との接着性を得るために層形成性バインダーが含
有される。このバインダーは、通常前記の有機光導電性
物質と相溶性を有する各種の合成對脂が用いられる。Further, the photosensitive liquid of the electrophotographic coating liquid according to the present invention contains a layer-forming binder in order to obtain adhesion to the support. As this binder, various synthetic resins that are compatible with the above-mentioned organic photoconductive substance are usually used.
さらに本発明に係る電子写真用塗布液のうちの感光液に
は、メチレンブルー、シアニンブルーあるいはローズベ
ンガル等の増感剤や２．４．７−ドリニトロフルオレノ
ンの如き公知の電子受容体等を添加、含有させることが
できる。Furthermore, a sensitizer such as methylene blue, cyanine blue or rose bengal, and a known electron acceptor such as 2.4.7-dolinitrofluorenone are added to the photosensitive liquid of the electrophotographic coating liquid according to the present invention. , can be included.
上記のような組成を有する本発明に係る電子写真用量希
液の溶媒としては、モノクロルベンゼン、ジクロロエタ
ン、ジメチルホルムアミド、テトラヒドロフラン等を用
うろことができる。Monochlorobenzene, dichloroethane, dimethylformamide, tetrahydrofuran, and the like can be used as the solvent for the electrophotographic dilute solution according to the present invention having the above-mentioned composition.
本発明の製造方法においては、前記電子写真用塗布液を
塗布せしめる支持体としては円筒状支持体が用いられる
。そして上記の支持体としでは導電性が付与されたプラ
スチックフィルム、金属、紙等が用いられる。In the manufacturing method of the present invention, a cylindrical support is used as the support on which the electrophotographic coating liquid is applied. As the support, a conductive plastic film, metal, paper, or the like is used.
本発明によれば、先づ円筒状もしくは角柱状塗布容器に
前記の組成を有する電子写真用塗布液を注入し、収納さ
せる。この時の液量は少なくとも塗布すべき円筒状支持
体を浸漬せしめた場合に円筒状支持体の円筒部全面積が
上記塗布液にて湿潤されるに十分な量であゐことが必要
である。According to the present invention, first, an electrophotographic coating liquid having the above composition is poured into a cylindrical or prismatic coating container and stored therein. The amount of liquid at this time must be at least sufficient to wet the entire cylindrical area of the cylindrical support with the coating liquid when the cylindrical support is immersed. .
本発明に係る円筒状支持体は、上記必要量の塗布液を収
納せしめた塗布容器中に挿入された後、塗布液面に対し
て相対的に上下方向に移動させることによって塗布液が
支持体表面に均等に塗布される。The cylindrical support according to the present invention is inserted into a coating container containing the necessary amount of the coating liquid, and then moved vertically relative to the surface of the coating liquid, so that the coating liquid is applied to the support. Evenly applied to the surface.
上記の如き塗布方法によって円筒状電子写真感光体が製
造されるが、従来の製造方法によると前記の塗布容器に
より次の塗布すべき感光体の塗布液の塗布が行われる迄
の間に塗布容器にゴミとか他の異物が混入し、あるいは
感光液の塗布溶媒が蒸発して、これらに基因する塗布故
障が発生し易い。A cylindrical electrophotographic photoreceptor is manufactured by the above-mentioned coating method, but according to the conventional manufacturing method, the coating liquid is not applied to the coating container until the coating liquid for the next photoreceptor to be coated is applied to the coating container. Coating failures are likely to occur due to dirt or other foreign matter getting mixed in or the coating solvent of the photosensitive liquid evaporating.
従って本発明の製造方法では、上記塗布故障を防止する
手段として、次の塗布すべき円筒状支持体の塗布液塗布
が開始される迄は、前記塗布容器を一時的に密閉し、ゴ
ミや異物の混入ならびに感光液の溶媒の蒸発を防止する
ために塗布容器に蓋部材を用いて開口部を被覆せしめる
ことを特徴とするものである。Therefore, in the manufacturing method of the present invention, as a means to prevent the above-mentioned coating failure, the coating container is temporarily sealed until the coating liquid is applied to the next cylindrical support to be coated, and dust and foreign substances are removed. In order to prevent contamination of the photosensitive liquid and evaporation of the solvent of the photosensitive liquid, the opening of the coating container is covered with a lid member.
本発明によれば、上記蓋部材としでは、上記の目的を達
成し得るものであれば形状、材質等特に制限されるもの
ではなく、只僅かに前記感光液の溶媒に侵されるもので
ない材質の蓋部材であることが好ましい。According to the present invention, the lid member is not particularly limited in shape or material as long as it can achieve the above object, and is made of a material that is not slightly attacked by the solvent of the photosensitive liquid. Preferably, it is a lid member.
（発明の効果）
本発明の円筒状電子写真感光体の製造方法は、塗布液を
収納せしめた塗布容器から円筒状支持体を引き出してか
ら次の塗布すべき円筒状支持体を浸漬させるまでの間、
塗布容１器を密閉させるための蓋部材にて被覆させたの
で、ゴミ、異物等の混入、ならびに塗布液の溶媒の蒸発
に基因する塗布故障を防止することができた。(Effects of the Invention) The method for manufacturing a cylindrical electrophotographic photoreceptor of the present invention includes a process from when a cylindrical support is pulled out from a coating container containing a coating solution to when the next cylindrical support to be coated is immersed. while,
Since one coating container was covered with a lid member for sealing it, it was possible to prevent the incorporation of dust, foreign matter, etc., as well as coating failures due to evaporation of the solvent of the coating liquid.
Claims (1)
状塗布容器に、円筒状支持体を浸漬し、しかる後に上記
電子写真用塗布液の塗布液面に対して該円筒状支持体を
相対的に上下方向に移動させることにより円筒状支持体
に電子写真用塗布液を塗布せしめる円筒状電子写真感光
体の製造方法において、前記円筒状支持体を前記塗布容
器から引き出して、次に塗布すべき円筒状支持体を浸漬
せしめるまでの間、該塗布容器を密閉させるための蓋部
材にて被覆させることを特徴とする円筒状電子写真感光
体の製造方法。A cylindrical support is immersed in a cylindrical or prismatic coating container containing a required amount of an electrophotographic coating liquid, and then the cylindrical support is placed relative to the surface of the electrophotographic coating liquid. In a method for manufacturing a cylindrical electrophotographic photoreceptor in which an electrophotographic coating liquid is applied to a cylindrical support by moving the cylindrical support in the vertical direction, the cylindrical support is pulled out from the coating container, and then the coating liquid is applied to the cylindrical support. A method for manufacturing a cylindrical electrophotographic photoreceptor, which comprises covering the coating container with a lid member for sealing the coating container until the cylindrical support is immersed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5114685A JPS61209455A (en) | 1985-03-13 | 1985-03-13 | Manufacture of cylindrical electrophotographic sensitive body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5114685A JPS61209455A (en) | 1985-03-13 | 1985-03-13 | Manufacture of cylindrical electrophotographic sensitive body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61209455A true JPS61209455A (en) | 1986-09-17 |
Family
ID=12878682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5114685A Pending JPS61209455A (en) | 1985-03-13 | 1985-03-13 | Manufacture of cylindrical electrophotographic sensitive body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61209455A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59127678A (en) * | 1983-01-07 | 1984-07-23 | Canon Inc | Formation of coating film |
| JPS59174843A (en) * | 1983-03-25 | 1984-10-03 | Canon Inc | Device for manufacturing electrophotographic sensitive body |
-
1985
- 1985-03-13 JP JP5114685A patent/JPS61209455A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59127678A (en) * | 1983-01-07 | 1984-07-23 | Canon Inc | Formation of coating film |
| JPS59174843A (en) * | 1983-03-25 | 1984-10-03 | Canon Inc | Device for manufacturing electrophotographic sensitive body |
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