摘要:
An improved electrophotographic photosensitive member is composed of a layer containing a hydrazone compound represented by the formula ##STR1## wherein R.sub.2 and R.sub.3 are each unsubstituted alkyl or substituted alkyl, unsubstituted aralkyl or substituted aralkyl, or unsubstituted aryl or substituted aryl, with the proviso that R.sub.2 and R.sub.3 are not simultaneously alkyls, n is 1 or 2, when n is 1, A represents ##STR2## wherein R.sub.1 is C.sub.1 -C.sub.5 alkyl, unsubstituted aralkyl, or substituted aralkyl, and when n is 2, A represents a direct single bond between two ##STR3## radicals.
摘要:
An electrophotographic photosensitive member having a layer containing at least one compound represented by the formula ##STR1## wherein X.sub.1 represents a residue necessary for completing a substituted or unsubstituted aromatic hydrocarbon ring; X.sub.2 represents a residue necessary for completing a substituted or unsubstituted heterocyclic ring; R.sub.1, R.sub.2, R.sub.3, and A each represent hydrogen, alkyl, aralkyl, or aryl, substituted or unsubstituted; and m is 0 or 1.
摘要翻译:一种电子照相感光构件,其具有含有至少一种由式“IMAGE”表示的化合物的层,其中X1表示完成取代或未取代的芳族烃环所必需的残基; X2表示完成取代或未取代的杂环所必需的残基; R 1,R 2,R 3和A各自表示氢,烷基,芳烷基或芳基,取代或未取代的; m为0或1。
摘要:
An electrophotographic photosensitive member comprises a layer containing at least one member of the hydrazone compounds of the formula: ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are selected from the group consisting of substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, and substituted or unsubstituted aryl, and R.sub.1 and R.sub.2 can not be simultaneously alkyl; and R.sub.4 is substituted or unsubstituted aryl.
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 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:
In an electrophotographic light-sensitive material comprising at least one electric charge generation layer comprising a charge generating substance and a binder resin therefor and at least one electric charge transport layer on an electrically conductive base, said electrophotographic light-sensitive material is a laminate type electrophotographic light-sensitive material wherein the binder resin for the electric charge generating substance contains at least one polyvinylpyridine resin.
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 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 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 electrostatic recording material, such as a dielectric coated paper and a paper for transfer of an electrostatic image, having a dielectric layer comprising a copolymer which comprises about 15 to 70 mol% of methacrylic acid and about 85 to 30 mol% of a methacrylate or acrylate and which contains free carboxylic acid groups, and a process for producing the electrostatic recording material comprising coating a water-soluble or -emulsifiable ammonium or amine salt of the copolymer on a support and drying the coated support.