摘要:
An electrophotographic light-sensitive medium is described comprising at least an electrically conductive layer, a charge generation layer and a charge transport layer, the charge generation layer containing a dis-azo compound represented by Formula (1) wherein A represents a single bond, ##STR1## B represents a coupler having aromatic properties; and R represents a group selected from hydrogen, a halogen and a lower alkyl having 1 to 4 carbon atoms.
摘要:
An electrophotographic light-sensitive medium is described comprising at least an electrically conductive layer, a charge generation layer and a charge transport layer, the charge generation layer containing a dis-azo compound represented by Formula (1) ##STR1## wherein A is a coupler having aromatic properties, and B is a group selected from hydrogen, halogen, lower alkyl having 1 to 4 carbon atoms and lower alkoxy having 1 to 4 carbon atoms.
摘要:
An electrophotographic light-sensitive medium comprising a light-sensitive layer containing a dis-azo compound represented by Formula (1) ##STR1## wherein A represents a single chemical bond, a divalent hydrocarbon group containing a conjugated double bond, a divalent hydrocarbon group containing a nitrogen atom in a conjugated double bond, or a divalent heterocyclic group which may be condensed with a benzene ring or substituted and forms a conjugated double bond system in combination with the adjacent azomethine groups, and B and B', which may be the same or different, each represents a coupler having aromatic properties.
摘要:
An electrophotographic light-sensitive medium is described comprising a light-sensitive layer containing a dis-azo compound represented by Formula (1) ##STR1## wherein A represents a coupler having aromatic properties.
摘要:
An electrophotographic photosensitive member comprises an electrically conductive substrate and a layer containing a hydrazone compound represented by the following formula (1) and a binder: ##STR1## wherein; R.sub.1 and R.sub.2 each represent alkyl, aralkyl, or aryl, substituted or unsubstituted, or R.sub.1 and R.sub.2 together with the nitrogen atom to which they are attached form a 5- or 6-membered ring; R.sub.3 represents halogen or fluoroalkyl; R.sub.4 and R.sub.6 each represent hydrogen or halogen; R.sub.5 represents hydrogen, alkyl, alkoxyl, or halogen; each of R.sub.7 and R.sub.8 represents alkyl, aralkyl, or aryl, substituted or unsubstituted; and n represents an integer of 0 or 1.
摘要翻译:电子照相感光构件包括导电基底和含有由下式(1)表示的腙化合物和粘合剂:其中: R 1和R 2各自表示烷基,芳烷基或芳基,取代或未取代的,或者R 1和R 2与它们所连接的氮原子一起形成5-或6-元环; R3表示卤素或氟代烷基; R4和R6各自表示氢或卤素; R5代表氢,烷基,烷氧基或卤素; R 7和R 8各自表示烷基,芳烷基或芳基,取代或未取代的; n表示0或1的整数。
摘要:
An electrophotographic photosensitive member is characterized by having a photosensitive layer containing at least one disazo pigment represented by the formula ##STR1## wherein Cp represents a coupler residue; B.sub.1, B.sub.2, B.sub.1 ', and B.sub.2 ' independently of one another represent atoms or groups selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, acylamino, and hydroxyl; and A represents ##STR2## (D.sub.1 and D.sub.2 represent single bond between two ##STR3## or between two ##STR4##
摘要:
An electrophotographic photosensitive member have a photosensitive layer, said photosensitive layer comprising at least one dis-azo pigment of Formula (I) or Formula (II) shown below: ##STR1## wherein Z represents an oxygen atom, a sulfur atom or >N--A.sub.2, wherein A.sub.2 is a hydrogen atom or a lower alkyl, A.sub.1 a hydrogen atom, a lower alkyl or a halogen atom; Ph.sub.1 an unsubstituted or substituted phenylene group, n an integer of 0 or 1, and B.sub.1 a coupler residue; with proviso that when n is 0, Z is an oxygen atom and A.sub.1 is a hydrogen atom, the case where Ph.sub.1 represents substituted phenyl radicals except for unsubstituted or mono-substituted phenyl radicals with a halogen atom, a lower alkyl or an alkoxy group;and ##STR2## wherein Ph.sub.2 represents an unsubstituted or substituted phenylene group and B.sub.2 a coupler residue.
摘要:
An electrophotographic photosensitive member is characterized by comprising a charge generation layer containing at least one disazo pigment represented by the following formula [I] and a charge transport layer containing at least one hydrazone compound represented by the following formula [II]: ##STR1## wherein A is a coupler residue, B represents hydrogen, halogen, alkyl, or alkoxy, and n is an integer of 1 to 4; ##STR2## wherein R.sub.1 represents N,N-dialkyl amino, or N,N-diarylamino, or N-alkyl-N-arylamino, or alkoxy or aryloxy, each being substituted or unsubstituted; R.sub.2 and R.sub.3 each represent alkyl, aralkyl, or aryl, each being substituted or unsubstituted, or R.sub.2 and R.sub.3, together with the nitrogen atom which links them, represent nitrogen-containing heterocyclic ring; R.sub.4 represents hydrogen, or alkyl, aralkyl, or aryl, each being substituted or unsubstituted; R.sub.5 represents hydrogen, alkyl, or alkoxy; and l is 0 or 1.
摘要:
An electrophotographic photosensitive member comprises a layer containing at least one disazo pigment represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 each represent hydrogen, halogen, lower alkyl or lower alkoxy; R.sub.3 represents methyl, ehtyl or C.sub.3 -C.sub.10 linear alkyl; and X represents a residue necessary to complete an aromatic hydrocarbon ring or heterocyclic ring, substituted or unsubstituted.
摘要:
An electrophotographic photosensitive member having a photosensitive layer is characterized in that said photosensitive layer contains azo pigments having at least one of azo groups linked to a coupler residue represented by the following formula [1] or [2]: ##STR1## wherein R.sub.1 and R.sub.3 independently represent hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl, and R.sub.2 and R.sub.4 independently represent substituted or unsubstituted aryl.