JPH03189654A - Electrophotographic sensitive body - Google Patents
Electrophotographic sensitive bodyInfo
- Publication number
- JPH03189654A JPH03189654A JP32740889A JP32740889A JPH03189654A JP H03189654 A JPH03189654 A JP H03189654A JP 32740889 A JP32740889 A JP 32740889A JP 32740889 A JP32740889 A JP 32740889A JP H03189654 A JPH03189654 A JP H03189654A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- electrophotographic photoreceptor
- insulating layer
- charge
- film thickness
- 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
- 108091008695 photoreceptors Proteins 0.000 claims description 38
- 238000000034 method Methods 0.000 abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 229910052681 coesite Inorganic materials 0.000 abstract description 4
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 4
- 230000003595 spectral effect Effects 0.000 abstract description 4
- 229910052682 stishovite Inorganic materials 0.000 abstract description 4
- 229910052905 tridymite Inorganic materials 0.000 abstract description 4
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 45
- 239000011230 binding agent Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- JGOAZQAXRONCCI-SDNWHVSQSA-N n-[(e)-benzylideneamino]aniline Chemical compound C=1C=CC=CC=1N\N=C\C1=CC=CC=C1 JGOAZQAXRONCCI-SDNWHVSQSA-N 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920005668 polycarbonate resin Polymers 0.000 description 3
- 239000004431 polycarbonate resin Substances 0.000 description 3
- 229920001225 polyester resin Polymers 0.000 description 3
- 239000004645 polyester resin Substances 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 125000000609 carbazolyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000007857 hydrazones Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920002382 photo conductive polymer Polymers 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Photoreceptors In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、電子写真プロセスにおいて使用される電子写
真用感光体に関する。更に詳しく言えば、本発明は感光
層と導電性支持体の間にＳ ｉ Ｏ，からなる絶縁層を
有することを特徴とする電子写真用感光体に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrophotographic photoreceptor used in an electrophotographic process. More specifically, the present invention relates to an electrophotographic photoreceptor characterized by having an insulating layer made of SiO between a photosensitive layer and a conductive support.
従来、電子写真用感光体として無機物からなるＳｅ −
’１７ ｅ系感光体や有機物からなるフタロシアニン系
、スクェアリウム系の単層あるいは多層型の感光体が知
られている。これらの感光体を電子写真技術を用いたレ
ーザプリンタ等のシステムに組み込む場合、光感度は十
分であるものの、帯電特性が十分でないといった課題が
あった。Conventionally, Se − made of inorganic material has been used as a photoreceptor for electrophotography.
'17 e-based photoreceptors and phthalocyanine-based and squareium-based single-layer or multilayer photoreceptors made of organic substances are known. When these photoreceptors are incorporated into a system such as a laser printer using electrophotographic technology, there is a problem that although the photosensitivity is sufficient, the charging characteristics are not sufficient.
本発明の目的は現存するすべての電子写真プロセスにお
いて使用可能な良好な帯電性能を有し、可視領域から近
赤外領域の広波長領域において十分な分光感度を有する
電子写真用感光体を提供することにある。An object of the present invention is to provide an electrophotographic photoreceptor that has good charging performance that can be used in all existing electrophotographic processes and has sufficient spectral sensitivity in a wide wavelength range from the visible region to the near infrared region. There is a particular thing.
本発明の電子写真用感光体は感光層と導電性支持体の間
にＳｉｎ、からなる絶縁層を有するものである。The electrophotographic photoreceptor of the present invention has an insulating layer made of Sin between the photosensitive layer and the conductive support.
本発明に用いた電子写真用感光体の断面図を第１図から
第３図に示す。Cross-sectional views of the electrophotographic photoreceptor used in the present invention are shown in FIGS. 1 to 3.
第１図は、導電性支持体１上に絶縁層２を形成し、その
上に電荷発生層３を形成し、更にその上に電荷輸送層４
を形成した積層型電子写真用感光体の断面図である。第
２図は、導電性支持体１上に絶縁層２を形成し、その上
に電荷輸送層４を形成し、更にその上に電荷発生層６を
形成した積層型電子写真用感光体の断面図である。第３
図は、導電性支持体１上に絶縁層２を形成し、その上に
感光層５を形成した単層型電子写真用感光体である。こ
こで感光層とは直接感光現象の起こる部分のことで、例
えば積層型電子写真用感光体の場合には電荷発生層と電
荷輸送層の２層をまとめて感光層と呼ぶ。In FIG. 1, an insulating layer 2 is formed on a conductive support 1, a charge generation layer 3 is formed thereon, and a charge transport layer 4 is further formed thereon.
FIG. 2 is a cross-sectional view of a laminated electrophotographic photoreceptor formed with the following. FIG. 2 shows a cross section of a laminated electrophotographic photoreceptor in which an insulating layer 2 is formed on a conductive support 1, a charge transport layer 4 is formed thereon, and a charge generation layer 6 is further formed thereon. It is a diagram. Third
The figure shows a single-layer electrophotographic photoreceptor in which an insulating layer 2 is formed on a conductive support 1, and a photosensitive layer 5 is formed thereon. Here, the photosensitive layer refers to a portion where a direct photosensitive phenomenon occurs; for example, in the case of a laminated electrophotographic photoreceptor, the two layers, the charge generation layer and the charge transport layer, are collectively called the photosensitive layer.
絶縁層２にはＳ ｌ ０２を用いる。膜厚は１０００か
も５０００ ’１．好ましくは１０００から４０００Ａ
の範囲で用いられる。膜の製法は真空蒸着、塗布などの
既知の方法で形成することができる。For the insulating layer 2, S l 02 is used. The film thickness may be 1000 or 5000'1. Preferably 1000 to 4000A
Used within the range of The film can be formed by known methods such as vacuum deposition and coating.
電荷発生層３は、絶縁層２上または電荷輸送層４上に形
成することができ、また、電荷発生層６を形成するには
電荷発生物質単独あるいは電荷発生物質をバインダ樹脂
に分散させたものを用いることができる。電荷発生層２
の膜厚は０．１から１．０μｍが好ましい。バインダ樹
脂を用いない場合には、溶剤散布あるいは真空蒸着法に
より電荷発生層を形成する。バインダ樹脂を用いる場合
、電荷発生物質のバインダ樹脂に対する比は１０から９
０重量％が好ましい。バインダ樹脂中に分散させる場合
には電荷発生物質・をボールミルやペイントコンディシ
ョナを用いて公知の方法で十分に粉砕した後に用いる。The charge generation layer 3 can be formed on the insulating layer 2 or the charge transport layer 4, and the charge generation layer 6 can be formed using a charge generation substance alone or a charge generation substance dispersed in a binder resin. can be used. Charge generation layer 2
The film thickness is preferably from 0.1 to 1.0 μm. When a binder resin is not used, the charge generation layer is formed by solvent spraying or vacuum deposition. When using a binder resin, the ratio of charge generating material to binder resin is from 10 to 9.
0% by weight is preferred. When dispersed in a binder resin, the charge generating substance is sufficiently pulverized by a known method using a ball mill or paint conditioner before use.
電荷発生物質のバインダ樹脂としては、例えばポリヱニ
ルカルバゾール、ポリビニルカルバゾール誘導体、ポリ
ビニルナフタレン、ポリビニルアントラセン、ポリビニ
ルピレン等の光導電性ポリマやその他の電荷輸送能を有
する有機マトリックス材料などがある。また、光導電性
をもたない公知の絶縁性樹脂も用いることができる。例
えばポリスチレン、ポリエステル、ポリカーボネートや
これらの誘導体等が使用できる。この際電子写真用感光
体の強度を上げるため一般の高分子材料と同様に可塑剤
を用いることができる。可塑剤としては、塩素化パラフ
ィン、塩化ビフェニル、フォスフェート系可塑剤等を用
いることができる。可塑剤はバインダに対してＯから２
０重量％が好ましく、電子写真用感光体のもつ特性をそ
こなわない範囲で用いられる。電荷発生物質を分散させ
たバインダ樹脂を用い、スプレ法、バーコーダ法等の既
知の方法により電荷発生層３を形成することができる。Examples of the binder resin of the charge generating substance include photoconductive polymers such as polyvinylcarbazole, polyvinylcarbazole derivatives, polyvinylnaphthalene, polyvinylanthracene, and polyvinylpyrene, and other organic matrix materials having charge transport ability. Furthermore, known insulating resins that do not have photoconductivity can also be used. For example, polystyrene, polyester, polycarbonate, derivatives thereof, etc. can be used. At this time, in order to increase the strength of the electrophotographic photoreceptor, a plasticizer can be used in the same manner as in general polymeric materials. As the plasticizer, chlorinated paraffin, chlorinated biphenyl, phosphate plasticizer, etc. can be used. The plasticizer is O to 2 to the binder.
It is preferably 0% by weight, and is used within a range that does not impair the properties of the electrophotographic photoreceptor. The charge generation layer 3 can be formed by a known method such as a spray method or a barcoder method using a binder resin in which a charge generation substance is dispersed.
導電性支持体１の材料としては例えばアルミニウム、ニ
ッケル、亜鉛、白金、金、ステンレス鋼、真鍮、鉄、パ
ラジウム等を用いることができる。As the material of the conductive support 1, for example, aluminum, nickel, zinc, platinum, gold, stainless steel, brass, iron, palladium, etc. can be used.
電荷輸送層４に使用される電荷輸送物質としては、カル
バゾール誘導体、ピラゾリン誘導体、ト１） フェニル
アミン、ヒドラゾン誘導体、ポリビニルピレン、ポリビ
ニルアントラセン、ポリビニルアクリジン等の電荷輸送
物質が挙げられる。これらの電荷輸送物質は単独あるい
は２種類以上混合して用いることもできる。電荷輸送層
４に使用されるバインダ樹脂としてはアクリル系樹脂、
ポリスチレン、ポリエステル、ボリアリレート、ポリサ
ルフォン、ポリカーボネート等のポリマを用いることが
できる。電荷輸送層４は、電荷発生層６あるいは絶縁層
２上に形成することができ、電荷輸送物質のバインダ樹
脂に対する比はＯから１５０重量％である。Examples of the charge transport substance used in the charge transport layer 4 include charge transport substances such as carbazole derivatives, pyrazoline derivatives, phenylamine, hydrazone derivatives, polyvinylpyrene, polyvinylanthracene, and polyvinylacridine. These charge transport materials can be used alone or in combination of two or more. As the binder resin used for the charge transport layer 4, acrylic resin,
Polymers such as polystyrene, polyester, polyarylate, polysulfone, polycarbonate, etc. can be used. The charge transport layer 4 can be formed on the charge generation layer 6 or the insulating layer 2, and the ratio of the charge transport material to the binder resin is from 0 to 150% by weight.
以下、実施例を基に本発明を説明する。 The present invention will be explained below based on Examples.
（実施例１）
導電性支持体としてアルミニウム基板を用い、この基板
上に絶縁物ＳｉＯ２を室温で真空蒸着し、膜厚１０００
Ａの絶縁層を形成する。電荷発生物質であるスクェアリ
ウム顔料（Ｉ） （０，４８ｍｍｏＪ）にポリエステル
樹脂のシクロヘキサノン溶液５重量％を２Ｑｍｌ加え、
これをペイントコンディショナで１時間粉砕および分散
した後、絶縁層上にアプリケータを用いて膜厚０，３か
ら１．０μｍの電荷発生層を形成する。この上にパラジ
エチルアミノベンズアルデヒドジフェニルヒドラゾンを
ポリカーボネート樹脂に１００重量％加えたものを塗布
し、電荷輸送層を膜厚２０μｍで形成し、電子写真用感
光体を作製した。(Example 1) An aluminum substrate was used as a conductive support, and an insulator SiO2 was vacuum-deposited on this substrate at room temperature to a film thickness of 1000.
Form the insulating layer A. Add 2Qml of a 5% by weight solution of polyester resin in cyclohexanone to Squarium pigment (I) (0.48mmoJ), which is a charge generating substance.
After pulverizing and dispersing this in a paint conditioner for 1 hour, a charge generation layer having a thickness of 0.3 to 1.0 μm is formed on the insulating layer using an applicator. A polycarbonate resin containing 100% by weight of paradiethylaminobenzaldehyde diphenylhydrazone was applied thereon to form a charge transport layer with a thickness of 20 μm, thereby producing an electrophotographic photoreceptor.
次にこの電子写真用感光体にペーパーアナライザを用い
て−８ｋＶから−６ｋＶまテ０．５に■ 毎に印加電
圧を変化させ、コロナ放電を２秒間行いその後２秒間暗
所で放置し、そのときの表面電位ｖｏを測定した。結果
を表−１に示す。Next, using a paper analyzer, the electrophotographic photoreceptor was subjected to corona discharge for 2 seconds by changing the applied voltage from -8 kV to -6 kV in increments of 0.5 cm, and then left in a dark place for 2 seconds. The surface potential vo at that time was measured. The results are shown in Table-1.
表 −１
（実施例３）
Ｓｉｎ、の膜厚を２００ＯＡにした他は実施例１と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−３に示す。Table 1 (Example 3) An electrophotographic photoreceptor was prepared in the same manner as in Example 1, except that the film thickness of Sin was changed to 200 OA, and its electrical characteristics were measured. The results are shown in Table-3.
表 −３
（実施例２）
Ｓｉｎ２の膜厚を１５０ＯＡにした他は実施例１と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−２に示す。Table 3 (Example 2) An electrophotographic photoreceptor was prepared in the same manner as in Example 1, except that the film thickness of Sin2 was changed to 150 OA, and its electrical characteristics were measured. The results are shown in Table-2.
（実施例４）
Ｓ ｉ Ｏ２の膜厚を２５０ＯＡにした他は実施例１と
同様の方法で電子写真用感光体を作製し、電気的特性を
測定した。結果を表−４に示す。(Example 4) An electrophotographic photoreceptor was prepared in the same manner as in Example 1 except that the film thickness of S i O 2 was changed to 250 OA, and its electrical characteristics were measured. The results are shown in Table 4.
表 −４
表−５
（実施例６）
Ｓｉｎ、の膜厚を３５０ＯＡにした他は実施例１と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−６に示す。Table 4 Table 5 (Example 6) An electrophotographic photoreceptor was prepared in the same manner as in Example 1 except that the film thickness of Sin was changed to 350 OA, and the electrical characteristics were measured. The results are shown in Table-6.
（実施例５）
Ｓｉｎ２の膜厚を３００ＯＡにした他は実施例１と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−５に示す。(Example 5) An electrophotographic photoreceptor was produced in the same manner as in Example 1 except that the film thickness of Sin2 was changed to 300 OA, and the electrical characteristics were measured. The results are shown in Table-5.
（実施例７）
Ｓｉｎ２の膜厚を４００ＯＡにした他は実施例１と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−７に示す。(Example 7) An electrophotographic photoreceptor was produced in the same manner as in Example 1 except that the film thickness of Sin2 was changed to 400 OA, and the electrical characteristics were measured. The results are shown in Table-7.
表 −７
（実施例９）
Ｓｉｎ、の膜厚を５００ＯＡにした他は実施例１と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−９に示す。Table 7 (Example 9) An electrophotographic photoreceptor was prepared in the same manner as in Example 1, except that the film thickness of Sin was changed to 500 OA, and its electrical characteristics were measured. The results are shown in Table-9.
（実施例８）
Ｓｉｎ２の膜厚を４５０ＯＡにした他は実施例１と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−８に示す。(Example 8) An electrophotographic photoreceptor was prepared in the same manner as in Example 1 except that the film thickness of Sin2 was changed to 450 OA, and the electrical characteristics were measured. The results are shown in Table-8.
（実施例１０）
実施例５で作製した電子写真用感光体を用いて一７ｋＶ
でコロナ放電を２秒間行い、その後２秒間暗所で放置し
、そのときの表面電位■。を測定し、ついで照度１μＪ
／ｃｄの光を４５０から８５ＱｎｍＯ間で５Ｑｎｍ毎の
各波長の単色光を感光層に照射し、その表面電位がｖｏ
の１／２になるまでの時間（秒）を測定して半減露光量
Ｅ１／２を求めた。その結果、表−１０に示したように
幅広い波長領域において感度を示すことが判った。(Example 10) Using the electrophotographic photoreceptor produced in Example 5, a voltage of -7 kV was applied.
Corona discharge was performed for 2 seconds, and then the surface potential was left in the dark for 2 seconds. Then, the illuminance is 1 μJ.
The photosensitive layer was irradiated with monochromatic light of each wavelength of 5 Qnm between 450 and 85 QnmO, and the surface potential was vo
The time (seconds) required for the exposure to decrease to 1/2 was measured to determine the half-reduction exposure amount E1/2. As a result, it was found that sensitivity was exhibited in a wide wavelength range as shown in Table 10.
（比較例１）
電荷発生物質であるスクェアリウム顔料（Ｉ）（０，４
８ｍｍｏｚ ）
にポリエステル樹脂（バイロン２００）のシクロヘキサ
ノン溶液５重量％を２０ｍ１加え、これをペイントコン
ディショナで１時間粉砕および分散し、アルミニウム基
板上にアプリケータで膜厚０．３から１．０μｍの電荷
発生層を形成する。この上にバラジエチルアミノベンズ
アルデヒドジフェニルヒドラゾンをポリカーボネート樹
脂に１００重量％加えたものを塗布し、電荷輸送層を膜
厚２０μｍで形成し、電子写真用感光体を作製した。(Comparative Example 1) Squareium pigment (I) (0,4
Add 20ml of 5% by weight cyclohexanone solution of polyester resin (Vylon 200) to 8mmoz), grind and disperse this in a paint conditioner for 1 hour, and apply a charge to a film thickness of 0.3 to 1.0μm on an aluminum substrate with an applicator. Forms a generation layer. A polycarbonate resin containing 100% by weight of valadiethylaminobenzaldehyde diphenylhydrazone was applied thereon to form a charge transport layer with a thickness of 20 μm, thereby producing an electrophotographic photoreceptor.
次にこの電子写真用感光体にペーパーアナライザを用い
て−８に■かも一６ｋｖまでｏ、５ ｋＶ毎に印加電圧
を変化させ、コロナ放電を２秒間行いその後２秒間暗所
で放置し、そのときの表面電位■ｏを測定した。結果を
表−１１に示す。Next, using a paper analyzer, the electrophotographic photoreceptor was subjected to corona discharge for 2 seconds by varying the applied voltage from -8 to 6 kV in 5 kV increments, and then left in a dark place for 2 seconds. The surface potential ■o at that time was measured. The results are shown in Table-11.
（比較例２
）
アルミニウム基板上に絶縁物ＳｉＯ□を室温で真空蒸着
し、膜厚３００Ａの絶縁層を形成する。電荷発生物質で
あるスクェアリウム顔料（Ｉ）（０，４８ｍｍｏｌ）
にポリエステル樹脂のシクロヘキサノン溶液５重量％を
２ｏｍｌ加え、これをペイントコンディショナで１時間
粉砕および分散し、絶縁層上にアプリケータを用いて膜
厚０．３かす１．０μｍの電荷発生層を形成する。この
上にパラジエチルアミノベンズアルデヒドジフェニルヒ
ドラゾンをポリカーボネート樹脂に１ｏｏ重景％加えた
ものを塗布し、電荷輸送層を膜厚２０μｍで形成し、電
子写真用感光体を作製した。(Comparative Example 2) An insulator SiO□ is vacuum-deposited on an aluminum substrate at room temperature to form an insulating layer with a thickness of 300 Å. Add 2 oml of a 5% by weight solution of polyester resin in cyclohexanone to squareium pigment (I) (0.48 mmol), which is a charge generating substance, grind and disperse this in a paint conditioner for 1 hour, and apply it onto the insulating layer using an applicator. A charge generation layer having a film thickness of 0.3 to 1.0 μm was formed using the following methods. A polycarbonate resin containing 10% by weight of paradiethylaminobenzaldehyde diphenylhydrazone was applied thereon to form a charge transport layer with a thickness of 20 μm, thereby producing an electrophotographic photoreceptor.
次にこの電子写真用感光体にペーパーアナライザを用い
て一８ｋｖから一６ｋｖまで０．５ｋＶ毎に印加電圧を
変化させコロナ放電を２秒間行いその後２秒間暗所で放
置し、そのときの表面電位■。を測定した。結果を表−
１２に示す。Next, using a paper analyzer, the electrophotographic photoreceptor was subjected to corona discharge for 2 seconds by changing the applied voltage from 18 kV to 16 kV in 0.5 kV steps, and then left in a dark place for 2 seconds. ■. was measured. Display the results -
12.
表−１２
（比較例３）
Ｓ１０２の膜厚を６０ＯＡにした他は比較例２と同様の
方法で電子写真用感光体を作製し、電気的特性を測定し
た。結果を表−１３に示す。Table 12 (Comparative Example 3) An electrophotographic photoreceptor was prepared in the same manner as in Comparative Example 2, except that the film thickness of S102 was changed to 60 OA, and its electrical characteristics were measured. The results are shown in Table-13.
（比較例４）
Ｓ ｉ Ｏｘの膜厚を５５０ＯＡにした他は比較例２と
同様の方法で電子写真用感光体を作製し、電気的特性を
測定した。結果を表−１４に示す。(Comparative Example 4) An electrophotographic photoreceptor was prepared in the same manner as in Comparative Example 2, except that the film thickness of S i Ox was changed to 550 OA, and its electrical characteristics were measured. The results are shown in Table-14.
（比較例５）
３ｉ０２の膜厚を６００ＯＡにした他は比較例２と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−１５に示す。(Comparative Example 5) An electrophotographic photoreceptor was prepared in the same manner as in Comparative Example 2, except that the film thickness of 3i02 was changed to 600 OA, and its electrical characteristics were measured. The results are shown in Table-15.
（比較例６）
Ｓｉｎ２の膜厚を７００ＯＡにした他は比較例２と同様
の方法で電子写真用感光体を作製し、電気的特性を測定
した。結果を表−１６に示す。(Comparative Example 6) An electrophotographic photoreceptor was prepared in the same manner as in Comparative Example 2, except that the film thickness of Sin2 was changed to 700 OA, and the electrical characteristics were measured. The results are shown in Table-16.
電子写真用感光体の断面図である。FIG. 2 is a cross-sectional view of an electrophotographic photoreceptor.
１・・・・・・導電性支持体、 ２・・・・・・絶縁層、 ６・・・・・・電荷発生層、 ４・・・・・・電荷輸送層、 ５・・・・・・感光層。1... Conductive support, 2...Insulating layer, 6...Charge generation layer, 4...Charge transport layer, 5...Photosensitive layer.
現在用いられている電子写真プロセス全てにおいて使用
可能な良好な帯電性能を有し、可視領域から近赤外領域
の広波長領域において十分な分光感度を有する電子写真
用感光体を得ることができた。It was possible to obtain an electrophotographic photoreceptor that has good charging performance that can be used in all currently used electrophotographic processes and has sufficient spectral sensitivity in a wide wavelength range from the visible region to the near-infrared region. .
Claims (2)
絶縁層を有することを特徴とする電子写真用感光体。(1) An electrophotographic photoreceptor characterized by having an insulating layer made of SiO_2 between the photosensitive layer and the conductive support.
求項１記載の電子写真用感光体。(2) The electrophotographic photoreceptor according to claim 1, wherein the insulating layer has a thickness of 1000 to 5000 Å.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32740889A JPH03189654A (en) | 1989-12-19 | 1989-12-19 | Electrophotographic sensitive body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32740889A JPH03189654A (en) | 1989-12-19 | 1989-12-19 | Electrophotographic sensitive body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03189654A true JPH03189654A (en) | 1991-08-19 |
Family
ID=18198823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32740889A Pending JPH03189654A (en) | 1989-12-19 | 1989-12-19 | Electrophotographic sensitive body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03189654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8187964B2 (en) | 2007-11-01 | 2012-05-29 | Infineon Technologies Ag | Integrated circuit device and method |
-
1989
- 1989-12-19 JP JP32740889A patent/JPH03189654A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8187964B2 (en) | 2007-11-01 | 2012-05-29 | Infineon Technologies Ag | Integrated circuit device and method |
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