【発明の詳細な説明】産業上の利用分野本発明はブタジェン化合物を電荷移動剤としC用いた感
光体に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a photoreceptor using a butadiene compound as a charge transfer agent.
従来、感光体においCは、セレン、酸化亜鉛。Conventionally, C in photoreceptors is selenium and zinc oxide.
硫化カドミウム等の無機光導電体を主成分とする感光層
を有するものが広く知らnCいる。こnらの光導電性材
料は、暗所で適当な電位に帯電てきン且つ電荷の逸散が半なくまた光照射によっC速かに電荷
が逸散できるなど数多くの利点を持っCいる。しかしそ
の反面セレン系感光体では、製造する条件が難しく、製
造に費用がかかり、熱や機械的な衝撃に弱いため取り扱
いに注意を要し、また硫化カドミウム系及び酸化亜鉛感
光体は、多湿の環境下で安定した感度が得られず繰り返
し特性か安定しこいない等の欠点がある。There are widely known nCs having a photosensitive layer mainly composed of an inorganic photoconductor such as cadmium sulfide. These photoconductive materials have many advantages, such as being able to be charged to an appropriate potential in the dark, with little dissipation of charge, and allowing rapid dissipation of charge upon irradiation with light. . However, on the other hand, selenium-based photoreceptors require difficult manufacturing conditions, are expensive to manufacture, and are sensitive to heat and mechanical shock, so they require careful handling; It has drawbacks such as not being able to obtain stable sensitivity under environmental conditions and having poor repeatability.
一方有機光導電性化合物としこは、ポリビニルカルバゾ
ール、ポリビニルピレン、ポリビニルアントラセン等が
知らnCいる。こnらのポリマーは前述の無機系光導電
材料に比べ°C成膜性、軽量性等の点で優71.’Cい
るが、未だ十分感度及び耐刷性におい′C満足できるも
のではない。On the other hand, known organic photoconductive compounds include polyvinylcarbazole, polyvinylpyrene, polyvinylanthracene, and the like. These polymers are superior to the above-mentioned inorganic photoconductive materials in terms of film formability at °C, lightweight, etc. However, the sensitivity and printing durability are still not satisfactory.
これに対し低分子の有機光導電性物質の場合、適当なバ
インダー樹脂を選択することにより、被膜の物性あるい
は電子写真特性をある程度制御することができる点では
好ましいものであるが、未だに十分な感度が得らnCお
らず、また繰り返し帯電および露光を行ったときの安定
性など改善す・\き点がある。例えば特開昭54−59
143号公報、特開昭55−46760号公報、特開昭
57−204549号公報に記載さnoCいるヒドラゾ
ン化合物は、初期の感度、残留電位特性は比較的良好で
あるが繰り返し使用した場合に感度が低下し、耐久性に
劣るという人魚を有する。On the other hand, low-molecular organic photoconductive substances are preferable in that the physical properties or electrophotographic properties of the film can be controlled to some extent by selecting an appropriate binder resin, but the sensitivity is still insufficient. It does not give nC, and there are some points that need improvement, such as stability when repeatedly charged and exposed. For example, JP-A-54-59
The noC hydrazone compounds described in JP-A No. 143, JP-A-55-46760, and JP-A-57-204549 have relatively good initial sensitivity and residual potential characteristics, but the sensitivity deteriorates after repeated use. It has a mermaid that has a lower strength and is less durable.
発明か解決するための手段本発明の要旨は下記一般式〔I〕で表わされるブタジェ
ン化合物を含有する感光体を特徴とする。The gist of the present invention is characterized by a photoreceptor containing a butadiene compound represented by the following general formula [I].
具体的には機能分離型の積層感光体にあっCは電荷輸送
層に、機能兼用型の単層感光体にあっては光導電層にド
記一般式CI)で表わされるブタジエン化合物を含有す
る。Specifically, in a function-separated layered photoreceptor, C is contained in the charge transport layer, and in a dual-function type single-layer photoreceptor, a butadiene compound represented by the general formula CI) is contained in the photoconductive layer. .
一般式: Art −CH=CH−CH=CH−Ar
z (1)(Arl、Ar2は置換基を有して
もよいアリール基、置換基を有してもよい芳香族複素環
基または置換基を有してもよい縮合多環式基を示す。〕
具体例とし“Cは、等があげられる。General formula: Art -CH=CH-CH=CH-Ar
z (1) (Arl, Ar2 represents an aryl group which may have a substituent, an aromatic heterocyclic group which may have a substituent, or a fused polycyclic group which may have a substituent. ]
As a specific example, "C" is given.
本発明一般式CI)で表わされるブタジエン化合物は公
知の方法により容易に製造することができ、2種の製造
方法を例示する。The butadiene compound represented by the general formula CI) of the present invention can be easily produced by a known method, and two production methods will be exemplified.
製造例1. 下記一般式〔A〕:R+υ〔式中Ar1は(1’)と同意義であり、R1、R2は
ホスホニウム塩を形成するアルキル基、シクロアルキル
基、アラルアルキル基、アリール基を示す。Manufacturing example 1. The following general formula [A]: R+ υ [In the formula, Ar1 has the same meaning as (1'), and R1 and R2 represent an alkyl group, a cycloalkyl group, an aralalkyl group, or an aryl group that forms a phosphonium salt.
特にシクロヘキシル基、ベンジル基、フェニル基、低級
アルキル基が好ましい。〕で表わされる燐化合物を下記一般式〔B〕:0CH−C
H= CH−A r 2 CB )〔式中Ar
zは〔I〕と同意義である。〕ぞ表わされるアクロレイ
ン化合物と縮合させる。Particularly preferred are cyclohexyl group, benzyl group, phenyl group, and lower alkyl group. ] The phosphorus compound represented by the following general formula [B]:0CH-C
H= CH-A r 2 CB ) [In the formula, Ar
z has the same meaning as [I]. ] is condensed with an acrolein compound represented by
製造例2. 下記一般式〔C〕:I〔式中Arz 、R1、Rzは(A)と同意義である。Production example 2. The following general formula [C]:I[In the formula, Arz, R1, and Rz have the same meanings as in (A).
〕で表わされる燐化合物を下記一般式〔D〕二〇CH−
Ar 1(Dl〔式中Ar1は(1)と同意義である。〕で表わさnる
アルデヒドと反応させる。] The phosphorus compound represented by the following general formula [D]20CH-
It is reacted with an aldehyde represented by Ar 1 (Dl [wherein Ar 1 has the same meaning as (1)].
゛上記製造例L2における上記一般式CB)で表わ製造
することかできる。また反応溶媒としCは不活性溶剤、
例えば炭化水素類、アルコール類、エノール、L2−ジ
メトキシエタン、ビス(2−メトキシエチル)エーテル
、ジオキサン、テトラヒドロフラン、トルエン、キシレ
ン、ジメチルスルホキシド、N、N−ジメチルホルムア
ミド、N−メチルピロリドン、L3−ジメチル−2−イ
ミダゾリジノンなどが挙げらnる。中でも極性溶媒、例
えばN、N−ジメチルホルムアミド及びジメチルスルホ
キシドが好適である。゛The product represented by the above general formula CB in Production Example L2) can be produced. In addition, the reaction solvent C is an inert solvent,
For example, hydrocarbons, alcohols, enol, L2-dimethoxyethane, bis(2-methoxyethyl) ether, dioxane, tetrahydrofuran, toluene, xylene, dimethyl sulfoxide, N,N-dimethylformamide, N-methylpyrrolidone, L3-dimethyl Examples include -2-imidazolidinone. Among them, polar solvents such as N,N-dimethylformamide and dimethylsulfoxide are preferred.
縮合剤としCは苛性ソーダ、苛性カリ、ナトリウムアミ
ド水素化ナトリウム及びナトリウムメチラート、カリウ
ム−t−ブトキシドなど′のアルコラードが用いられる
。反応温度は、使用する溶媒の縮合剤に対する安定性、
縮合成分の反応性、縮合剤の反応性によっC1約O℃〜
約100℃まで広範囲に選択することが出来好ましくは
10℃〜80℃である。As the condensing agent C, an alcoholade such as caustic soda, caustic potash, sodium amide sodium hydride, sodium methylate, potassium t-butoxide, etc. is used. The reaction temperature depends on the stability of the solvent used against the condensing agent,
Depending on the reactivity of the condensation component and the reactivity of the condensing agent, C1 is about O℃~
The temperature can be selected from a wide range up to about 100°C, preferably from 10°C to 80°C.
又、本発明によっC使用する化合物は、リン化合物〔A
〕〔りの代わりに対応する第4ホスホニウム塩、例えば
トリフェニルホスホニウム塩を使用しwittigの方
法によりホスホリレンの段階を経′Cアルデヒド(13
) [:D〕と縮合することによっCも得らnる。こn
らのブタジェン化合物は単独で用いCも混合(2C用い
Cもよい。Further, the compound C used in the present invention is a phosphorus compound [A
] [C aldehyde (13
) C can also be obtained by condensation with [:D]. Kon
These butadiene compounds can be used alone or in combination with C (2C or C may also be used).
本発明のブタジェン化合物は、主としC電荷輸送材料と
し°Cの機能を果すものであるが、電子写真製版等比較
的強い光を使用する分野では増感剤と共に使用しC1光
導電性材料とし′C機能させることもできる。通常の電
子写真複写では銅フタロシアニン等の光導電性物質(電
荷発生物質)と共に使用する。The butadiene compound of the present invention is mainly used as a C charge transport material and functions as a C1 photoconductive material, but in fields that use relatively strong light such as electrophotographic engraving, it can be used together with a sensitizer and used as a C1 photoconductive material. 'C can also be made to function. In normal electrophotographic reproduction, it is used in conjunction with a photoconductive material (charge generating material) such as copper phthalocyanine.
本発明のブタジェン化合物を用いた電子写真感光体の構
成例を第1図から第5図に模式的に示す。Examples of the structure of an electrophotographic photoreceptor using the butadiene compound of the present invention are schematically shown in FIGS. 1 to 5.
第1図は、基体(1)上に光導電性材料(3)と電荷輸
送材料(2)を結着剤に配合した感光層(4)が形成さ
れた感光体であり、電荷輸送材料とし°C本発明のブタ
ジェン化合物が用いられ”Cいる。Figure 1 shows a photoreceptor in which a photosensitive layer (4) containing a photoconductive material (3) and a charge transporting material (2) as a binder is formed on a substrate (1). The butadiene compounds of the present invention are used at "C".
第2図は、感光層としこ電荷発生層(6)と電荷輸送層
(5)を有する機能分離型感光体であり、電荷発生層(
6)の表面に電荷輸送層(5)が形成さnている。FIG. 2 shows a functionally separated photoreceptor having a photosensitive layer, a charge generation layer (6), and a charge transport layer (5).
A charge transport layer (5) is formed on the surface of 6).
電荷輸送層(5)中に本発明のブタジェン化合物が配合
さn’Cいる。The butadiene compound of the present invention is blended in the charge transport layer (5).
第3図は、第2図と同様電荷発生層(6)と電荷輸送層
(5)を督する機能分離型感光体であるが、第2図とは
逆に゛電荷輸送層(5)の表面に電荷発生層が形成され
ている。Figure 3 shows a functionally separated photoreceptor that controls a charge generation layer (6) and a charge transport layer (5) as in Figure 2, but in contrast to Figure 2, the charge transport layer (5) is A charge generation layer is formed on the surface.
第4図は、第1図の感光体の表面にさらに表面保護層(
7)を設けたものであり、感光層(4)は電荷発生層(
6)の電荷輸送層(5)に分離した機能分離型としこも
よい。FIG. 4 shows an additional surface protective layer (
7), and the photosensitive layer (4) is provided with a charge generation layer (
A functionally separated type in which the charge transport layer (5) of 6) is separated may also be used.
第5図は、基体([)と感光層(4)の間に中間層(8
)を設けたものであり、中間層(8)は接着性の改善、
塗工性の向上、基体の保護、基体からの光導電層への電
荷注入性改善のために設けることができる。Figure 5 shows an intermediate layer (8) between the substrate ([) and the photosensitive layer (4).
), and the intermediate layer (8) improves adhesion,
It can be provided to improve coating properties, protect the substrate, and improve charge injection from the substrate to the photoconductive layer.
中間層としては、ポリイミド樹脂、ポリエステル樹脂、
ポリビニルブチラール樹脂、カゼイン等を用いるとよい
。この態様の感光体も感光層を機能分離型としCもよい
。For the intermediate layer, polyimide resin, polyester resin,
It is preferable to use polyvinyl butyral resin, casein, etc. The photoreceptor of this embodiment may also have a photosensitive layer of a functionally separated type.
本発明の電子写真用感光体は、一般式(1〕で表わされ
るブタジェン化合物をバインダーと共に適当な溶剤中に
溶解あるいは分散し、必要に応じ光導電性材料と電子吸
引性化合物、あるいは増感染料、その他の顔料を添加し
て得られる塗布液を導電性基体上に塗布、乾燥し、通常
5〜39μm、好ましくは6〜20μmの膜厚の感光層
を形成させることにより製造することができる。The electrophotographic photoreceptor of the present invention can be prepared by dissolving or dispersing a butadiene compound represented by the general formula (1) together with a binder in a suitable solvent, and optionally adding a photoconductive material, an electron-withdrawing compound, or a sensitizing dye. It can be produced by applying a coating solution obtained by adding , or other pigments onto a conductive substrate and drying it to form a photosensitive layer having a thickness of usually 5 to 39 μm, preferably 6 to 20 μm.
具体的には導電性支持体上に電荷発生層と電荷輸送層を
積層町立る機能分離型有機感光体は、導電性支持体上に
電荷発生材料を真空蒸着するか、適当な溶剤も【7くは
必要があれば、バインダー樹脂を溶解させた溶液中に分
散させて作製した塗布液を塗布、乾燥しC電荷発生層を
形成しその上に電荷輸送材料とし゛Cブタジェン化合物
とバインダー樹脂とを適当な溶剤に溶解させた溶液を塗
布乾燥し電荷輸送層を形成し°C得られる。このときの
電荷発生層の厚みは4μm以下、好ましくは2μm以下
であり、電荷輸送層の厚みは3〜30μm、好ましくは
5〜20μmがよい。電荷輸送層中のブタジェン化合物
の割合はバインダー樹脂1重量部に対し0.02〜2重
量部、好ましくは0.03〜1.3重量部とするのが好
適である。また、他の電荷輸送材料を組み合わせ′Cも
よい。そn自身バインダーとしこ使用できる高分子電荷
輸送材料の場合は、他のバインダーを使用しなくてもよ
い。Specifically, a functionally separated organic photoreceptor in which a charge generation layer and a charge transport layer are laminated on a conductive support is produced by vacuum-depositing the charge generation material on the conductive support or using a suitable solvent [7]. If necessary, a coating solution prepared by dispersing a binder resin in a solution is applied and dried to form a C charge generation layer, and a C butadiene compound and a binder resin are applied as a charge transport material thereon. A charge transport layer is formed by coating and drying a solution dissolved in a suitable solvent at °C. The thickness of the charge generation layer at this time is 4 μm or less, preferably 2 μm or less, and the thickness of the charge transport layer is 3 to 30 μm, preferably 5 to 20 μm. The proportion of the butadiene compound in the charge transport layer is preferably 0.02 to 2 parts by weight, preferably 0.03 to 1.3 parts by weight, per 1 part by weight of the binder resin. It is also possible to combine other charge transport materials. In the case of a polymeric charge transport material that can itself be used as a binder, no other binder may be used.
電荷発生材料としC用いられるものとし′Cは、ビスア
ゾ系顔料、トリアリールメタン系染料、チアジン系染料
、オキサジン系染料、牛サンテン系染料、シアニン系色
素、スチリル系色素、ピリリウム系染料、アゾ系顔料、
キアクリドン系顔料、インジゴ系顔料、ペリレン系顔料
、多環牛ノン系顔料、ビスベンズイミダゾール系顔料、
インダスロン系顔料、スクアリリウム系顔料、フタロシ
アニン系顔料等の有機物質やセレン、セレン・テルル、
セレン・ヒ素、硫化カドミウム、アモルファスシリコン
等の無機物質があげられる。以上のように本発明ブタジ
ェン化合物は、これ以外も、光を吸収し極めて高い効率
で電荷担体を発生する材料であnば、いずわの材料であ
っCも組み合わすことかできる。C is used as a charge-generating material. C is a bisazo pigment, triarylmethane dye, thiazine dye, oxazine dye, bovine santhene dye, cyanine dye, styryl dye, pyrylium dye, or azo dye. pigment,
Chiacridone pigments, indigo pigments, perylene pigments, polycyclic bovine non-based pigments, bisbenzimidazole pigments,
Organic substances such as induthrone pigments, squarylium pigments, phthalocyanine pigments, selenium, selenium/tellurium,
Examples include inorganic substances such as selenium, arsenic, cadmium sulfide, and amorphous silicon. As described above, the butadiene compound of the present invention can be combined with C, which is any material that absorbs light and generates charge carriers with extremely high efficiency.
バインダーとしC使用できるものは、電気絶縁性である
それ自体公知の熱可塑性樹脂あるいは熱硬化性樹脂や光
硬化性樹脂、また、光導電性樹脂も全て使用することが
できる。適当なバインダー樹脂の例は、これに限定され
るものではないが、飽和ポリエステル樹脂、ポリアミド
樹脂、アクリル樹脂、エチレン−酢酸ビニル共重合体、
イオン架橋オレフィン共重合体(アイオノマー)、スチ
レン−ブタジェンブロック共重合体、ボリアリレート、
ポリカーボネート、塩化ビニル−酢酸ビニル共重合体、
セルロースエステル、ポリイミド、スチロール樹脂等の
熱可塑性結着剤;エポキシ樹脂、ウレタン梅脂、シリコ
ーン樹脂、フェノール樹脂、メラミン樹脂、キシレン樹
脂、アルキッド樹脂、熱硬化性アクリル樹脂等の熱硬化
結着剤;光硬化性樹脂;ボ+J l’J−ビニルカル
バゾール、ポリビニルピレン、ポリビニルアントラセン
等の光導電性樹脂等である。これらは単独で、または組
み合わせ°C使用することができる。こnら電気絶縁性
樹脂は単独で測定しc1×1o126・α以上の体積抵
抗を有することが望ましい。より好ましいものとし°C
はポリエステル樹脂、ポリカーボネート、アクリル樹脂
である。以上のように本発明ブタジェン化合物は、バイ
ンダー樹脂に対する相溶性p≦高く、多種のバインダー
樹脂を使用することができる。As the binder, any known electrically insulating thermoplastic resin, thermosetting resin, photocuring resin, or photoconductive resin can be used. Examples of suitable binder resins include, but are not limited to, saturated polyester resins, polyamide resins, acrylic resins, ethylene-vinyl acetate copolymers,
Ionically crosslinked olefin copolymer (ionomer), styrene-butadiene block copolymer, polyarylate,
Polycarbonate, vinyl chloride-vinyl acetate copolymer,
Thermoplastic binders such as cellulose ester, polyimide, and styrene resins; Thermosetting binders such as epoxy resins, urethane plum fat, silicone resins, phenol resins, melamine resins, xylene resins, alkyd resins, and thermosetting acrylic resins; Photocurable resin; Photoconductive resin such as Bo+J l'J-vinylcarbazole, polyvinylpyrene, and polyvinylanthracene. These can be used alone or in combination. It is desirable that these electrically insulating resins have a volume resistivity of c1×1o126·α or more when measured alone. More preferred °C
are polyester resin, polycarbonate, and acrylic resin. As described above, the butadiene compound of the present invention has a high compatibility p≦with respect to the binder resin, and various types of binder resins can be used.
また導電性支持体上に光導電層を形成しCなる液中に分
散させ、こわを導電性支持体上に塗布、乾燥し゛C光導
電層を形成に得られる。このときの光導電層の厚さは、
3〜30μm、好ましくは5〜20μmがよい。使用す
る光導電性材料の量が少なすぎると感度が悪く、多すぎ
ると帯電性が悪くなったり、光導電層の強度か弱くなっ
たりし、光導電層中の光導電性材料の量は、樹脂1重量
部に対しro、01〜2重量部、好ましくは0.05〜
1重量部がよく、ブタジェン化合物の割合は樹脂1重量
部に対し、0.01〜2重量部、好ましくは0.02〜
1.2重量部が好適である。また、そn自身バインダー
として使用できるポリビニルカルバゾールなどの高分子
光導電体と併用しCもよい。また、他の電荷輸送材料と
組み合わせてもよい。光導電性材料と(7Cは上記電荷
発生材料を、バインダー樹脂としこは上記バインダー樹
脂を用いる。Alternatively, a photoconductive layer is formed on a conductive support, dispersed in a liquid C, and coated on the conductive support and dried to form a photoconductive layer C. The thickness of the photoconductive layer at this time is
The thickness is preferably 3 to 30 μm, preferably 5 to 20 μm. If the amount of photoconductive material used is too small, the sensitivity will be poor, and if it is too large, the charging property will be poor and the strength of the photoconductive layer will be weakened. ro per 1 part by weight, 01 to 2 parts by weight, preferably 0.05 to 2 parts by weight
The proportion of the butadiene compound is preferably 0.01 to 2 parts by weight, preferably 0.02 to 2 parts by weight, per 1 part by weight of the resin.
1.2 parts by weight is preferred. Further, C may be used in combination with a polymeric photoconductor such as polyvinylcarbazole, which itself can be used as a binder. It may also be combined with other charge transport materials. The photoconductive material (7C uses the above charge generating material, and the binder resin uses the above binder resin.
本発明の感光体はバインダーとともに、ハロゲン化ハラ
フィン、ポリ塩化ビフェニル、ジメチルナフタレン、ジ
ブチルフタレート、0−ターフェニルなどの可塑剤や、
クロラニル、テトラシアノエチレン、2,4.7−ドリ
ニトロー9−フルオレノン、5.6−ジシアツベンゾキ
ノン、テトラシアノキノジメタン、テトラクロル無水フ
タル酸、へ5−ジニトロ安息香酸等の電子吸引性増感剤
、メチルバイオレット、ローダミンB1シアニン染料、
ピリリウム塩、チアピIJ IJウム塩等の増感剤を使
用してもよい。また必要に応じ°C接着層、中間層、表
面保護層を有し°Cい′Cもよい。In addition to the binder, the photoreceptor of the present invention contains a plasticizer such as halogenated halafine, polychlorinated biphenyl, dimethylnaphthalene, dibutyl phthalate, and 0-terphenyl.
Electron-withdrawing sensitizers such as chloranil, tetracyanoethylene, 2,4.7-dolinitro-9-fluorenone, 5,6-dicyazbenzoquinone, tetracyanoquinodimethane, tetrachlorophthalic anhydride, he5-dinitrobenzoic acid, etc. , methyl violet, rhodamine B1 cyanine dye,
Sensitizers such as pyrylium salts and chiapi IJ salts may also be used. In addition, it is also possible to use a 0.degree. C. adhesive layer, an intermediate layer, and a surface protective layer, if necessary.
以上のように本発明ブタジェン化合物は種々の方法で容
易に製造可能でそれを含む感光体は機能分離型としCも
機能兼用型としCも使用でき、また種々の電荷発生材料
及びバインダー樹脂との組み合わせが可能であり、場合
によっCは他の電荷輸送材料を加えることができる。し
たがっ′C本発明ブタジェン化合物を含有する感光体は
きわめて製造容易で使用範囲が広く且つ電子写真特性に
優n、繰り返し特性が優nCいる。As described above, the butadiene compound of the present invention can be easily produced by various methods, and the photoreceptor containing it can be of the functionally separated type and C can also be used as the dual-functional type. Combinations are possible, and optionally C can add other charge transport materials. Therefore, the photoreceptor containing the butadiene compound of the present invention is extremely easy to manufacture and has a wide range of uses, and has excellent electrophotographic properties and excellent repeatability.
発明の効果本発明化合物を用いC得られだ感光体は、光度−労を効
果的に抑制し°C残留電位の上昇がなく繰り返し複写に
おいCも感度が極めて安定しCいるものである。Effects of the Invention The photoreceptor obtained using the compound of the present invention effectively suppresses luminous intensity stress, has no increase in residual potential at °C, and exhibits extremely stable sensitivity during repeated copying.
合成例(ブタジェン化合物(t)の合成)2−クロルメ
チル−チオフェン6.2911及び亜リン酸トリエチル
9.45 gを内温150℃で攪拌しながら4時間加熱
した。ついで水流ポンプによる減圧下に過剰の亜リン酸
トリエチルを留去し黄色の油状物であるホスホン酸エス
テル10.9 g ヲ%だ。このホスホン酸エステル7
.25II及びシンナムアルデヒド3.96IIをジメ
チルホルムアルデヒド30 rJ中に溶解し、30〜4
0℃に加温しながら、ジメチルホルムアミド70m1中
にカリウム−terオプトキシド5Iを含む懸濁液を滴
下した。その後室温で15分間攪拌した後、混合物を氷
水900m1上に加え、稀塩酸で中和し、約30公役吸
引濾過する。濾過生成物を水で洗浄し、真空乾燥するこ
とにより黄色の粉末6.1.9 (収率96%)を得た
。Synthesis Example (Synthesis of Butadiene Compound (t)) 6.2911 g of 2-chloromethyl-thiophene and 9.45 g of triethyl phosphite were heated at an internal temperature of 150° C. for 4 hours with stirring. Then, excess triethyl phosphite was distilled off under reduced pressure using a water jet pump, yielding 10.9 g of phosphonic acid ester as a yellow oil. This phosphonic acid ester 7
.. 25II and cinnamaldehyde 3.96II were dissolved in dimethyl formaldehyde 30 rJ and 30-4
A suspension containing potassium-teropoxide 5I in 70 ml of dimethylformamide was added dropwise while heating to 0°C. After stirring for 15 minutes at room temperature, the mixture is then poured onto 900 ml of ice water, neutralized with dilute hydrochloric acid and filtered with suction for about 30 minutes. The filtered product was washed with water and dried under vacuum to obtain yellow powder 6.1.9 (yield 96%).
更に、nIブタノールによる再結晶精製を行ない、融点
149〜151℃の黄色結晶を得た。Further, recrystallization purification using nI butanol was performed to obtain yellow crystals with a melting point of 149-151°C.
(以 下 余 白 )実施例1. 下記化学式(II)で表わさnるクロログ
イアンプル−2部、ポリエステル樹脂1部、メチルエチルケトン100部を
ボールミルポットに八〇で24吋間分散し、感光塗液を
得た。これをアルミニウム基体上に塗布、乾燥し、厚さ
0.3μの電荷発生層を形成させた。この電荷発生層の
上にブタジェン化合物illを10部、ポリカーボネー
ト樹脂(パンライトに一1300帝人化成■製〕を10
部、テトラヒドロフラン80部に溶解させた塗布液を乾
燥後の膜厚が20μとなるように塗布して電荷輸送層を
形成させた。このようにして得らnた感光体を感光体A
とする。(Left below) Example 1. 2 parts of chlorodia ampule represented by the following chemical formula (II), 1 part of polyester resin, and 100 parts of methyl ethyl ketone were dispersed in a ball mill pot at 80°C for 24 inches to obtain a photosensitive coating liquid. This was applied onto an aluminum substrate and dried to form a charge generation layer with a thickness of 0.3 μm. On this charge generation layer, 10 parts of butadiene compound ill and 10 parts of polycarbonate resin (Panlite 11300 manufactured by Teijin Kasei ■) were added.
A charge transport layer was formed by applying a coating solution dissolved in 80 parts of tetrahydrofuran to a dry film thickness of 20 μm. The thus obtained photoconductor is photoconductor A.
shall be.
また感光体B及びCとして、上記と同様の方法で同一構
成のもの、但し電荷輸送層のブタジェン化合物(1)の
代わりにブタジェン化合物(2)及び(3)を含む感光
体を作成した。Further, as photoreceptors B and C, photoreceptors having the same structure but containing butadiene compounds (2) and (3) instead of butadiene compound (1) in the charge transport layer were prepared in the same manner as above.
。こうして作成した感光体A、B、Cを市販の電子写真
複写機(ミノルタカメラ■製 EP−4502)に組み
込み、直流電圧−5KVを印加し、初期表面電位(VO
)およびVoが1/2の電位(なるまでに要した露光量
(Ex、A(lux−sec) ) 、帯電後1秒間暗
所に放置した後の電位の減衰率(DDRI(%))残留
電位(VR,(V))を測定した。. The photoreceptors A, B, and C thus prepared were installed in a commercially available electrophotographic copying machine (manufactured by Minolta Camera EP-4502), a DC voltage of -5 KV was applied, and the initial surface potential (VO
) and the exposure amount required to reach 1/2 the potential (Ex, A (lux-sec)), and the decay rate of potential (DDRI (%)) remaining after being left in the dark for 1 second after charging. The potential (VR, (V)) was measured.
実施例2゜感光体り、E、Fとして実施例1の感光体Aと同様の方
法で同一の構成のもの、ただし電荷発生層のクロロジア
ンブルーの代わりに下記化学式(nDで表わされるジス
アゾ顔料を含み、屹」〕電荷輸送層のブタジェン化合物(1)の代わりにブタジ
ェン化合物(4) 、 +6+ 、 (7)を夫々含む
感光体り、E。Example 2 Photoreceptors E and F were constructed in the same manner as photoreceptor A of Example 1, but a disazo pigment represented by the following chemical formula (nD) was used instead of chlorodiane blue in the charge generation layer. A photoconductor containing butadiene compounds (4), +6+, and (7) in place of butadiene compound (1) in the charge transport layer.
Fを作成した。I created F.
実施例1と同様の方法で、こうしC作成した感光体り夛
E、FのE 1/2 、 DDRI 、 VR、Voを
測定した。In the same manner as in Example 1, the E 1/2, DDRI, VR, and Vo of the photoreceptors E and F prepared in this manner were measured.
実施例3゜銅フタロシアニン50部とテトラニトロ銅フタロシアニ
ン0.2部を98%濃硫酸500部に十分攪拌しながら
溶解させ、これを水5000部にあけ、銅フタロシアニ
ンとテトラニトロ銅フタロシアニンの光導電性材料組成
物を析出させた後、ろ過水 □洗し、減圧1” 1
20℃で乾燥した。得らnた組成物10部を熱硬化性ア
クリル樹脂(アクリディックA405大日本インキ■製
) 22.5部、メラミン樹脂(スーパーベッカミンJ
820大日本インキ■製)7.5部、ブタジェン化合物
17115部をメチルイサブチルケトン:セロソルブア
セテート(1:l)の混合溶剤70部とともにボールミ
ルポットに入nて48時間分散し、光導電性塗料を調整
し、この塗料をアルミニウム基体上に約15μとなるよ
うに塗布し、乾燥して光導電層を形成させた。こうして
得られた感光体を感光体Gとする。Example 3 50 parts of copper phthalocyanine and 0.2 parts of copper tetranitro phthalocyanine were dissolved in 500 parts of 98% concentrated sulfuric acid with thorough stirring, and this was poured into 5000 parts of water to prepare a photoconductive material of copper phthalocyanine and copper tetranitro phthalocyanine. After precipitating the composition, wash with filtered water and reduce pressure 1" 1
It was dried at 20°C. 10 parts of the obtained composition were mixed with 22.5 parts of thermosetting acrylic resin (Acrydic A405 manufactured by Dainippon Ink), 22.5 parts of melamine resin (Super Beckamine J
820 (manufactured by Dainippon Ink) and 17,115 parts of a butadiene compound were placed in a ball mill pot with 70 parts of a mixed solvent of methyl isbutyl ketone and cellosolve acetate (1:l) and dispersed for 48 hours to form a photoconductive paint. This paint was applied onto an aluminum substrate to a thickness of about 15μ, and dried to form a photoconductive layer. The photoreceptor thus obtained is referred to as photoreceptor G.
また感光体H,I 、Jとして上記と同様の方法で同一
の構成のもの、但し電荷輸送層のブタジェン化合物(7
)の代わりにブタジェン化合物(10) 、 (111
。In addition, photoreceptors H, I, and J were constructed in the same manner as above, except that the butadiene compound (7
) instead of butadiene compounds (10), (111
.
(12)を夫々含む感光体を作成した。実施例1と同様
の方法で但し直流電圧の印加電圧を5kvから7〜1Q
kvとしこ、こうし°C作成した感光体G、H。Photoreceptors containing each of (12) were prepared. Using the same method as in Example 1, but changing the applied DC voltage from 5 kV to 7 to 1 Q.
Photoreceptors G and H were prepared by Toshiko and Koushi at kv°C.
VRI 、 J (7) El/2. DDRI 、 靭、
’Vo 全測定(、f、−0実施例1〜3で得らnた感
光体A、JのEl/2゜V。VR I, J (7) El/2. DDRI, toughness,
'Vo All measurements (, f, -0 El/2°V of photoreceptors A and J obtained in Examples 1 to 3.
DDK+ 、VR、尋の測定結果は第1表に示す通りで
ある。The measurement results for DDK+, VR, and fathom are shown in Table 1.
(以 下 余 白 )表 1いずれの感光体においてもVoが大きくEl/2.VR
が小さく、帯電能及び感度が高く残留電位が小さいこと
がわかる。(Margins below) Table 1 Vo is large for all photoconductors, and El/2. VR
It can be seen that the chargeability and sensitivity are small, and the residual potential is small.
第1図〜第5図は本発明感光体の構造の模式図である。(1)・・・導電性基体、 (2)・・・電荷輸送材料
、 (31−°。光導電性材料、 (4)・・・感光層、 (5)・・・
電荷輸送層、 (6)・・・光導電層、 (7)・・・
表面保護層、 (8)・・・中間層。1 to 5 are schematic diagrams of the structure of the photoreceptor of the present invention. (1)... Conductive substrate, (2)... Charge transport material, (31-°. Photoconductive material, (4)... Photosensitive layer, (5)...
charge transport layer, (6)... photoconductive layer, (7)...
Surface protective layer, (8)...intermediate layer.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15093385AJPS6210652A (en) | 1985-07-08 | 1985-07-08 | Photosensitive body |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15093385AJPS6210652A (en) | 1985-07-08 | 1985-07-08 | Photosensitive body |
| Publication Number | Publication Date |
|---|---|
| JPS6210652Atrue JPS6210652A (en) | 1987-01-19 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15093385APendingJPS6210652A (en) | 1985-07-08 | 1985-07-08 | Photosensitive body |
| Country | Link |
|---|---|
| JP (1) | JPS6210652A (en) |
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