摘要:
Charge transport compounds are described that have a multiple number of hydrazone-bridged (N,N-disubstituted)arylamine groups connected by a central bridging group. Examples of charge transport compounds of this invention are those having the following generic formula: (R-Q)n-Y where R is an (N,N-disubstituted)arylamine group; Q comprises an aromatic hydrazone linking group; Y comprises a bridging group between R-Q- groups; and n is an integer between 2 and 6. An organic photoreceptor includes (a) that compound and (b) a charge generating compound; and (c) an electrically conductive substrate.
摘要:
Charge transport compounds are described that have a multiple number of hydrazone-bridged (N,N-disubstituted)arylamine groups connected by a central bridging group. Examples of charge transport compounds of this invention are those having the following generic formula: (R-Q)n-Y where R is an (N,N-disubstituted)arylamine group; Q comprises an aliphatic or aromatic hydrazone linking group; n is 2; and Y comprises a bridging group comprising an aryl group having the formula —Ar1-G-Ar2— where Ar1 and Ar2 are, each independently, an arylene group and G comprises a bond, O, S, —SO2—, an imine group, an alkylene group, or an aromatic group.
摘要:
This invention relates to a novel organophotoreceptor that includes: (a) a charge transport material comprising a fluorenone hydrazone having a) least two fluorenone alkylsulfonylphenylhydrazone groups, b) at least two fluorenone pyrrolylhydrazone groups, c) at least two fluorenone benzotriazolylhydrazone groups, d) at least two fluorenone sulfolanylhydrazone groups, e) at least two fluorenone pyrazolylhydrazone groups, f) at least two fluorenone naphthylhydrazone groups, g) at least two fluorenone tetrazolylhydrazone groups, h) at least two fluorenone stilbenylhydrazone groups, or i) at least two fluorenone(9H-fluoren-9-ylidene)benzylhydrazone groups. Some of these fluoreneones may be represented by the formula where n is an integer between 2 and 6, inclusive; R1 is hydrogen, alkyl, or aryl; R2 is alkylsulfonylphenyl or one of its derivatives; X is a linking group having the formula —(CH2)m—, branched or linear. The compounds may form electrostatic imaging systems in combination with (b) a charge generating compound; and (c) an electrically conductive substrate.
摘要翻译:本发明涉及一种新型有机光感受器,其包括:(a)电荷传输材料,其包含芴酮腙,其具有a)至少两个芴酮烷基磺酰基苯腙基团,b)至少两个芴酮吡咯基腙基团,c)至少两个芴酮苯并三唑基腙基团,d) 至少两个芴酮砜基腙基团,e)至少两个芴酮吡唑基腙基团,f)至少两个芴酮萘基腙基团,g)至少两个芴酮四唑腙基团,h)至少两个芴酮茋基腙基团,或i)至少两个芴酮 (9H-芴-9-亚基)苄腙基团。 这些芴酮中的一些可以由下式表示:其中n是2和6之间的整数,包括端值在内; R 1是氢,烷基或芳基; R 2是烷基磺酰基苯基或其衍生物之一; X是具有下式的连接基团 - (CH 2 CH 2)m - 支链或直链。 所述化合物可以与(b)产生电荷的化合物组合形成静电成像系统; 和(c)导电基板。
摘要:
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where n is an integer between 2 and 6, inclusive; R1 and R2 are, independently, an alkyl group, an alkaryl group, or an aryl group with the proviso that neither R1 nor R2 is a naphthyl group, a stilbenyl group, alkylsulfonylphenyl group or a (9H-fluoren-9-ylidene)benzyl group; R3 and R4 are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group; X is a linking group having the formula —(CH2)m—, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C═O, O=S=O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR5 group, a CHR6 group, or a CR7R8 group where R5, R6, R7, and R8 are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; and Y comprises a bond, C, N, O, S, a branched or linear —(CH2)p— group where p is an integer between 0 and 10, an aromatic group, a cycloalkyl group, a heterocyclic group, or a NR9 group where R9 is hydrogen atom, an alkyl group, or aryl group, wherein Y has a structure selected to form n bonds with the corresponding X groups; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.
摘要:
This invention includes an organophotoreceptor having an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a polymeric charge transport composition with the formula where Y1 and Y2 are, each independently, a bond, a —CR1═N—NR2— group, or a —CR3═N—N═CR4— group; R, R′, R″, R1, R2, R3, and R4 comprise, each independently, H, an alkyl group, an alkenyl group, a heterocyclic group, an aromatic group, or a part of a ring group; X1 and X2 are, each independently, a linking group; T2 comprises a thiiranyl group, H, an alkyl group, an alkenyl group, or an aromatic group; Ar comprises an aromatic group; Z is a bridging group; and n is a distribution of integers between 1 and 100,000 with an average value at least 2; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging processes are also described.
摘要:
This invention relates to a novel electrophotographic imaging process that includes: (a) applying an electrical charge to a surface of an organophotoreceptor comprising: (i) a charge transport composition comprising molecules having the formula where the average n is between 1 and 1000; R1 and R2 are, independently, hydrogen, alkyl, unsaturated hydrocarbon, ether, cycloalkyl, or aryl; X is a bis(fluorene-4-carboxyl)alkane group; Y is a sulfonyldiphenylene; Z is X=O or two hydrogens; and Q is O or N—N(R1)—Y—N(R2)—NH2; (ii) a charge generating compound; and (iii) an electrically conductive substrate over which said charge transport composition and said charge generating compound are located; (b) imagewise exposing said surface of said organophotoreceptor to radiation to dissipate charge in selected areas and thereby form a pattern of charged and uncharged areas on said surface; (c) contacting said surface with a toner to create a toned image; and (d) transferring said toned image to a substrate.
摘要翻译:本发明涉及一种新颖的电子照相成像方法,其包括:(a)将电荷施加到有机光感受器的表面,包括:(i)电荷传输组合物,其包含具有下式的分子,其中平均n在1和1000之间; R 1和R 2分别独立地为氢,烷基,不饱和烃,醚,环烷基或芳基; X是双(芴-4-羧基)烷烃基团; Y是磺酰基二亚苯基; Z是X = O或两个氢; 并且Q是O或N-N(R 1 H 2)-Y-N(R 2 H 2)-NH 2; (ii)电荷产生化合物; 和(iii)所述电荷输送组合物和所述电荷产生化合物所在的导电基底; (b)将所述有机光感受器的所述表面成像曝光于辐射以在选定区域中散发电荷,从而在所述表面上形成带电和不带电区域的图案; (c)使所述表面与调色剂接触以产生调色图像; 和(d)将所述调色图像转印到基底上。
摘要:
A novel charge transport compound, a novel process using that novel compound and an organophotoreceptor includes: (a) a novel charge transport compound having the formula where R1 and R2 are selected so that R1 and R2 form, with the included nitrogen atom, a group selected from the group consisting of heterocyclic rings, aromatic rings, and dinaphthylamine; or R1 comprises an aryl group and R2 comprises a group selected from the group consisting of sulfolanyl, 4-(9H-fluoren-9-ylidene)benzyl, pyrrolyl, pyrazolyl, benzotriazolyl, stilbenyl, tetrazolyl; or R1 comprises hydrogen, an alkyl group, an aryl group and R2 comprises sulfonylphenyl. R3 is hydrogen, an alkyl group, an aryl group, a heterocyclic group or a hydrocarbon group; and Q is a 3-carbazole group; (b) a charge generating compound; and (c) an electrically conductive substrate.
摘要:
An organophotoreceptor that includes: (a) a charge transport material having the formula wherein A is selected from heterocyclic groups, naphthyl group, (9H-fluoren-9-ylidene)benzyl group, alkylsulfonylphenyl, or stilbenyl, B is selected from hydrogen, alkyl group, and an aryl group, with the proviso that when A is naphthyl, B is naphthyl; or where R1 is selected from the group consisting of N-pyrrolyl, N-pyrazolyl, N-tetrazolyl, N-indolyl, N-carbazolyl, N-triazolyl, N-imidazolyl, N-benzimidazolyl, N-indazolyl, and N-benzotriazolyl group, and R3 is a 9-fluorenone group. (b) a charge generating compound; and (c) an electrically conductive substrate
摘要:
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where n is an integer between 2 and 6, inclusive; R1 and R2 are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group; X is a linking group having the formula —(CH2)m—, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C═O, O═S═O, urethane, urea, an ester group, a NR3 group, a CHR4 group, or a CR5R6 group where R3, R4, R5, and R6 are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; Y comprises a bond, C, N, O, S, a branched or linear —(CH2)p— group where p is an integer between 0 and 10, an aromatic group, a cycloalkyl group, a heterocyclic group, or a NR7 group where R7 is hydrogen atom, an alkyl group, or aryl group, wherein Y has a structure selected to form n bonds with the corresponding X groups; and Z is a fluorenylidene group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.
摘要:
Charge transport compounds are described that have a multiple number of hydrazone-bridged heterocyclic groups (especially julolidine groups, carbazole groups, triarylamine groups and (N,N-disubstituted)arylamine groups such as dialkarylamine groups (e.g. dimethylphenylamine; methylethylphenylamine, dipropylphenylamine, ethylepropylphenylamine, ethylbutylnaphthylamine, etc.), alkyldiarylamine groups (e.g. methyldiphenylamino, ethyldiphenylamino, etc), and triarylamino groups (e.g., triphenyl amino, trinaphthylamino, etc)) connected by a central bridging group. An example of charge transport compounds are those having the following generic formula: (R—Q)n−Y Formula I wherein R is selected from the group consisting of julolidine ring groups, carbazole ring groups, and and (N,N-disubstituted)arylamine groups; Q comprises an aromatic hydrazone linking group, such as Y comprises a bridging group between R—Q— groups, such as a bond, carbon atom, nitrogen atom, oxygen atom, sulfur atom, a methylene group; Z is an aryl group, preferably a phenyl group or naphthyl group; X is a linking group, preferably a methylene group, and for example having the formula —(CH2)m— (branched or linear), where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups is optionally replaced by an oxygen atom, a carbonyl group, urethane, urea, an ester group, a —NR6 group, a CHR7 group, or a CR8R9 group where R6, R7, R8, and R9 are, independently, H, an alkyl group, or aryl group; and n is an integer between 2 and 6, inclusive. An organic photoreceptor includes that compound and (b) a charge generating compound; and (c) an electrically conductive substrate.