摘要:
A conductive polymer composition selected from the group consisting ofa first composition includinga polymer containing halomethylated aromatic groups, anda charge transporting material selected from the group consisting ofat least one charge transport monomer containing arylamine groups,at least one charge transport polymer containing arylamine units in the main polymer chain,and mixtures thereof, anda second composition includingat least one monomer containing a halomethylated aromatic group,at least one charge transport monomer containing arylamine groups anda polymer binder, anda third composition including:at least one monomer containing a halomethylated aromatic group, andat least one charge transport polymer with arylamine units in the main polymer chain.The aforementioned compositions may be applied as coatings and used in high speed laser printing and related printing processes. These conductive polymeric compositions and processes therefor provide improved stability and a broad range of conductivities, manufacturing and compositional latitude, and dielectric strength.
摘要:
Disclosed is an ink jet printhead containing a polymer of the formula wherein P is a substituent which enables crosslinking of the polymer, a, b, c, and d are each integers of 0, 1, 2, 3, or 4, provided that at least one of a, b, c, and d is equal to or greater than 1 in at least some of the monomer repeat units of the polymer, A is or a mixture of wherein R is a hydrogen atom, an alkyl group, an aryl group, or mixtures thereof, B is one of specified groups, such as or mixtures thereof, and n is an integer representing the number of repeating monomer units.
摘要:
Disclosed is an imaging member which comprises a conductive substrate, a photogenerating material, and a binder comprising a polymer of the formula wherein A is or a mixture of wherein R is a hydrogen atom, an alkyl group, an aryl group, or mixtures thereof, B is one of specified groups, such as or mixtures thereof, and n is an integer representing the number of repeating monomer units.
摘要:
Disclosed is a polymer of the formula ##STR1## wherein A is ##STR2## or a mixture of ##STR3## wherein R is a hydrogen atom, an alkyl group, an aryl group, or mixtures thereof, B is one of specified groups, such as ##STR4## or mixtures thereof, and n is an integer representing the number of repeating monomer units.
摘要:
An electrophotographic imaging member including a support member, a charge generating layer and a charge transport layer, the charge transport layer including a cross linked matrix derived from a cross linkable aromatic polymer with substituent groups containing unsaturated carbon to carbon double bond, the substituent groups being free of any urethane linkage and attached to phenylene.
摘要:
An electrophotographic imaging member including a supporting substrate coated with at least photoconductive layer, a charge transport layer and an overcoating layer, the overcoating layer includinga hydroxy functionalized aromatic diamine anda hydroxy functionalized triarylamine dissolved or molecularly dispersed ina crosslinked polyamide matrix, the crosslinked polyamide prior to crosslinking being selected from the group consisting of materials represented by the following Formulae I and II: ##STR1## wherein: n is a positive integer sufficient to achieve a weight average molecular weight between about 5000 and about 100,000,R is an alkylene unit containing from 1 to 10 carbon atoms,between 1 and 99 percent of the R.sub.2 sites are --H, andthe remainder of the R.sub.2 sites are --CH.sub.2 --O--CH.sub.3, and ##STR2## wherein: m is a positive integer sufficient to achieve a weight average molecular weight between about 5000 and about 100000,R.sub.1 and R are independently selected from the group consisting of alkylene units containing from 1 to 10 carbon atoms, andbetween 1 and 99 percent of the R.sub.3 and R.sub.4 sites are --H, andthe remainder of the R.sub.3 and R.sub.4 sites are --CH.sub.2 --O--CH.sub.3.Coating compositions for the overcoating layer of this invention as well as methods of making and using the overcoated photoreceptor are also disclosed.
摘要:
A conductive composition including a mixture of a reaction product ofa hole transporting hydroxy functionalized aryl amine,a hydroxy functionalized arylamine that is different from the hole transporting hydroxy functionalized aryl amine,a cross linkable polyamide, andand an acid capable of simultaneously cross linking the polyamide and oxidizing a portion of the hydroxy functionalized arylamine,the mixture of a reaction product includinga hole transporting hydroxy functionalized aryl amine andan oxidized hydroxy functionalized aryl amine in aa crosslinked polyamide matrix.Other embodiments including processes for applying the aforementioned composition and processes for using devices containing the compositions in high speed laser printing and related printing systems are also disclosed.
摘要:
An electrophotographic imaging member including a substrate, a charge generating layer, a charge transport layer, and an overcoat layer formed from a solution including a first cross linkable polyamide film forming binder free of methyl methoxy groups, an optional second cross linkable polyamide film forming binder containing methyl methoxy groups, a cross linking catalyst and a hole transport material. A process for forming an overcoated imaging member is also disclosed.
摘要:
A crosslinkable coating composition including an alcohol soluble acrylated polyamide containing alkoxymethyl or alkoxyalkylmethyl groups attached to amide nitrogen atoms, a crosslinking catalyst and a mixture of a hydroxy functionalized aromatic diamine with a hydroxy functionalized triarylamine. A coating is formed from this composition.
摘要:
An electrophotographic imaging member includinga supporting substrate coated withat least one photoconductive layer, andan overcoating layer, the overcoating layer including aa hydroxy functionalized aromatic diamine anda hydroxy functionalized triarylamine dissolved or molecularly dispersed ina crosslinked acrylated polyamide matrix, the hydroxy functionalized triarylamine being a compound different from the polyhydroxy functionalized aromatic diamine, the crosslinked polyamide prior to crosslinking being selected from the group consisting of materials represented by the following Formulae I and II: ##STR1## wherein: n is a positive integer sufficient to achieve a weight average molecular weight between about 5000 and about 100,000,R is an alkylene group containing from 1 to 10 carbon atoms,between 1 and 99 percent of the R.sub.2 sites are ##STR2## wherein X is selected from the group consisting of --H (acrylate), --CH.sub.3 (methacrylate), alkyl and aryl, andthe remainder of the R.sub.2 sites are selected from the group consisting of --H, --CH.sub.2 OCH.sub.3, and --CH.sub.2 OH, and ##STR3## wherein: m is a positive integer sufficient to achieve a weight average molecular weight between about 5000 and about 100000,R and R.sub.1 are independently selected from the group consisting of alkylene units containing from 1 to 10 carbon atoms;between 1 and 99 percent of R.sub.3 and R.sub.4 are independently selected from the group consisting of ##STR4## wherein X is selected from the group consisting of hydrogen, alkyl, aryl and alkylaryl, wherein the alkyl groups contain 1 to 10 carbon atoms and the aryl groups contain 1 to 3 alkyl groups, y is an integer between 1 and 10, andthe remainder of the R.sub.3 and R.sub.4 groups are selected from the group consisting of --H, --CH.sub.2 OH, --CH.sub.2 OCH.sub.3, and --CH.sub.2 OC(O)--C(X).dbd.CH.sub.2.The overcoating layer is formed by coating. The electrophotographic imaging member may be imaged in a process.