Abstract: A crosslinkable charge transport layer material for a photoconductor includes at least one poly(arylene ether alcohol), at least one polyisocyanate crosslinking agent and at least one charge transport material dispersed in a solvent. The crosslinkable charge transport layer material is crosslinked following application of the coating solution to the photoconductor. The photoconductor including such crosslinked charge transport layer exhibits excellent wear resistance so as to have long life, thereby reducing the cost of electrophotographic printing machines employing such photoconductors therein.

Abstract: An electrophotographic imaging member includingat least one photographic imaging layer anda partially electrically conductive overcoat layer includingfinely divided charge injection enabling particles dispersed ina charge transporting continuous matrix including a cross linked polyamide, charge transport molecules and oxidized charge transport molecules, the continuous matrix being formed from a solution selected from the group includinga first solution includingcrosslinkable alcohol soluble polyamide containing methoxy methyl groups attached to amide nitrogen atoms,an acid having a pK.sub.

Abstract: 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.

Abstract: 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.

Abstract: A process for fabricating an electrophotographic imaging member includingforming a charge generating layer,forming an undried charge transport layer coating by applying to the charge generating layer a solution selected from either or both the group consisting ofa solution including a charge transport molecule, a first film forming binder and at least a first solvent anda solution including a charge transporting polymer and at least a first solvent,forming an undried overcoat layer coating by applying to the undried charge transport layer coating an overcoat layer coating solution including a second film forming polymer and at least a second solvent, the charge transport molecule and first film forming polymer or either or both a charge transporting polymer being substantially insoluble in the second solvent and the second polymer being substantially insoluble in the first solvent,applying heat to both the undried charge transport layer coating and the undried overcoat layer coating to migrate the first solve

Abstract: An allyloxymethylatedpolyamide composition is disclosed, the allyloxymethylatedpolyamide being represented by 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, andbetween 1 and 99 percent of the R.sub.2 sites are --H, and the remainder of the R.sub.2 sites is between 25 percent and 99 percent --CH.sub.2 --O--(CH.sub.2).sub.w --CH.dbd.CH.sub.2, whereinw is 1, 2 or 3,between 1 and 75 percent of the R.sub.2 sites are --CH.sub.2 --O--R.sub.5, andR.sub.5 is an alkyl unit containing 1 to 4 carbon atoms, and ##STR2## wherein: m is a positive integer sufficient to achieve a weight average molecular weight between about 5000 and about 100,000,R.sub.1 and R are independently selected from the group consisting of alkylene units containing from 1 to 10 carbon atoms,between 1 and 99 percent of the R.sub.

Abstract: 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.

Abstract: A process for fabricating an electrophotographic imaging member includingproviding a substrate coated with at least one photoconductive layer,applying a coating composition to the photoconductive layer by dip coating to form a wet layer, the coating composition comprising finely divided amorphous silica particles, a dihydroxy amine charge transport material, an aryl charge transport material that is different from the dihydroxy amine charge transport material, a crosslinkable polyamide containing methoxy groups attached to amide nitrogen atoms and a crosslinking catalyst, at least one solvent for the hydroxy amine charge transport material, aryl charge transport material that is different from the dihydroxy amine charge transport material and the crosslinkable polyamide, andheating the wet layer to crosslink the polyamide and remove the solvent to form a dry layer in which the dihydroxy amine charge transport material and the aryl charge transport material are molecularly dispersed in a crosslinked polyamide

Abstract: There is disclosed a crucible assembly comprising: (a) an electrically conductive tube having a first end portion and a second end portion and defining an opening in the surface of the tube, wherein the tube defines an imaginary horizontal line which bisects the cross-sectional dimension of the tube and an imaginary vertical line which bisects the cross-sectional dimension of the tube; and (b) at least one power connection area, operatively associated with the first end portion of the tube, wherein for the crucible assembly having only one power connection area associated with the first end portion, the one power connection area is positioned above the imaginary horizontal line on the same side of the horizontal line as the opening in the tube surface, wherein for the crucible assembly having at least two power connection areas associated with the first end portion, the at least two power connection areas permit coupling of at least two power cables.

Abstract: There is disclosed a method for forming a photosensitive imaging member to be subjected to light of a specific wavelength comprising: depositing a charge generating layer on a substrate, depositing a charge transport layer on the charge generating layer, wherein there is variation in the thickness of the transport layer, and controlling during the deposition of the charge generating layer the thickness of the generating layer as a way to substantially suppress the optical interference effects at the wavelength of illumination due to the variation in the thickness of the transport layer, wherein the thickness of the generating layer is controlled to enable the imaging member to exhibit an optical absorption modulation which is effective for substantially suppressing the optical interference effects.

Abstract: A photoreceptor includes a charge generating layer having: 1) a photogenerating pigment purified by sublimation at a pressure not greater than 10.sup.-3 Torr and subsequent condensation of the photogenerating pigment at a temperature less than about 100.degree. C.; and 2) a film-forming binder.

Abstract: A multi-layer optical recording member for use with a recording laser for optical recording and retrieving information thereon, as well as a method of fabricating and using said member is described. The optical recording member comprises in sequential order a structural substrate, a thermally degradable polymer layer, a light absorbing recording layer, a thermally degradable polymer dielectric layer, and a reflective layer. The substrate and the thermally degradable polymer layers are stable under ambient light and temperature conditions and substantially transparent to the recording and reading optical radiation. The combined thicknesses of the light absorbing layer and the dielectric layer are such as to provide anti-reflecting conditionsat the recording wavelength and optical contrast between marked and unmarked areas at the reading wavelength. The optical recording member may be used with a single laser source for both recording and reading.

Abstract: An optical recording member is prepared by coating a thin layer of a colloidal dispersion, of minute particles of certain transition metals or their oxides in a polymeric binder, onto a substrate. The optical recording member may be made to achieve anti-reflecting conditions at the marking wavelength by making the substrate reflective and by using proper thickness for the dispersion layer.

Abstract: There is described a novel method for forming a photoreceptor which includes a photogenerator layer comprising selenium and tellurium. According to the method, the photogenerator layer is formed by electrochemically codepositing selenium and tellurium onto a substrate from a solution of their ions in such a way that the relative amounts of selenium and tellurium which are deposited are controlled by their relative concentrations in the electrolyte and by the choice of electrochemical conditions, i.e., current density or electrode potential. Subsequently a layer of a material capable of transporting at least one species of charge carrier is deposited on the free surface of the photogenerator layer by any suitable technique.

Abstract: There is described a method for forming a photoreceptor wherein a substrate having a thin electrically insulating oxide film on a surface thereof is subjected to an electroless deposition step from a selenious acid solution whereby the oxide film is dissolved and a thin selenium layer is formed on the substrate. In one embodiment, a relatively thick photoconductive insulating layer comprising selenium or alloys thereof is deposited by vacuum evaporation over the previously electrolessly deposited selenium layer. In another embodiment, a layer of a charge carrier transport material is deposited over the selenium layer. In a preferred embodiment of the invention, an oxide-free substrate is initially subjected to an electrochemical oxidation step in an alkaline medium to form a thin electrically insulating oxide film on the surface thereof.

Abstract: A method for forming an electrophotographic imaging member comprising electrochemically depositing amorphous selenium on a conductive substrate while simultaneously illuminating the substrate with electromagnetic radiation through a periodic spatial light modulating means. The deposited selenium layer has a periodically varying thickness. The selenium layer is then overcoated with a layer of a charge carrier transport material which is capable of transporting at least one species of charge carrier. The resulting imaging member has extended range and solid area reproduction capability.