Abstract: A transfer member for a printing device includes a shaft, a rigid cylindrical core member, mounted on the shaft, an outer layer supported on the rigid cylindrical core member, and optionally a conformable intermediate layer, spacing the cylindrical core member from the outer layer. The outer layer defines an outer surface of the transfer member, and is configured for receiving a toner image thereon. The cylindrical core and outer layer have a same axis of rotation as the shaft. The rigid cylindrical core and/or the conformable intermediate layer, where present may be electrically biased, relative to a photoconductor drum of the printing device.

Abstract: An electrophotographic photosensitive member including a support, an intermediate layer, and a photosensitive layer in this order, wherein the intermediate layer comprises a tungsten oxide particle, and the tungsten oxide particle contains a tungsten atom, an oxygen atom, and a cesium atom.

Abstract: A first alternative to a composition for preventing or retarding degradation of a functional coating on a medical device includes an antioxidant selected from gallic acid or a derivative thereof. A second alternative to a composition for preventing or retarding degradation of a functional coating on a medical device includes carboxymethyl cellulose or a derivative or salt thereof. The use of the compositions for preventing or retarding degradation of a functional coating on a medical device from reactive species generated during exposure of radiation, and a wetting agent comprising the compositions, are also provided. The wetting agent prevents or retards the hydrolytic degradation of the coating during the intended shelf-life of the wetted coated product.

Abstract: An electrophotographic photoconductor includes, in sequence, a support member; an undercoating layer containing a binder resin and an inorganic particle; and a photosensitive layer, wherein the binder resin of the undercoating layer is an alkyd-melamine resin, and the inorganic particle of the undercoating layer contains a strontium titanate particle.

Abstract: Described herein are devices, compositions, and methods for improving color discernment.

Abstract: An electrophotographic apparatus includes an electrophotographic photosensitive member, a charging roller disposed so as to come into contact with the electrophotographic photosensitive member, and a charging device operable to apply only a DC voltage to charge the electrophotographic photosensitive member. The electrophotographic photosensitive member includes a support member, an undercoat layer over the support member, and a photosensitive layer over the undercoat layer and having a plurality of discrete recesses in the surface thereof. The undercoat layer contains zinc oxide particles and a binder resin. The undercoat layer has cavities therein, and the cavities account for 5.00% or less of the volume of the undercoat layer.

Abstract: An electrophotographic photoreceptor includes a conductive substrate; an undercoat layer on the conductive substrate, the undercoat layer containing at least one perinone compound selected from the group consisting of a compound represented by general formula (1) and a compound represented by general formula (2) below, metal oxide particles of at least one type selected from the group consisting of aluminum oxide particles, iron oxide particles, copper oxide particles, magnesium oxide particles, calcium oxide particles, and silicon dioxide particles, and a binder resin, the undercoat layer having a thickness of 1 ?m or more and 10 ?m or less; and a photosensitive layer on the undercoat layer.

Abstract: An electrophotographic photoreceptor includes a conductive substrate; a photosensitive layer provided on the conductive substrate; and an undercoating layer that is provided between the conductive substrate and the photosensitive layer and includes a charge transport material containing at least one of imide compounds represented by Formula (1) or (2): (in Formulas (1) and (2), R10, R11, R20, or R21 independently represents a group represented by Formula (3) or (4) where X represents a monovalent organic group having at least one of an alkyl group, an alkylene group, an ether group, an ester group, and a keto group, a halogen atom, a nitro group, an aralkyl group, or an aryl group, Y represents a sulfur atom or an oxygen atom, n represents an integer of 0 to 2, and when n represents 2, two X's may be the same or different), and an imide compound is represented by Formula (1A) where Ar represents an aromatic group having 6 to 18 carbon atoms except for a tetravalent perylene group, X1 and X2 each indepen

Abstract: An electrophotographic photoreceptor includes a conductive substrate; an undercoat layer formed on the conductive substrate and containing a polyurethane resin, metal oxide particles, a silane coupling agent, and a compound represented by General Formula (ID); and a photosensitive layer formed on the undercoat layer (where R1 to R8 each independently represent a hydrogen atom, a nitro group, a cyano group, a halogen atom, a hydroxyl group, a saturated or unsaturated aliphatic hydrocarbon group optionally having a substituent, an aromatic hydrocarbon group optionally having a substituent, an alkoxy group optionally having a substituent, an aryloxy group optionally having a substituent, a sulfo group optionally having a substituent, an amino group, an alkylamino group optionally having a substituent, or an arylamino group optionally having a substituent).

Abstract: Described herein is a photoreceptor. The photoreceptor includes a conductive substrate and an undercoat layer disposed on the conductive substrate. The undercoat layer includes a binder resin, metal oxide particles, and a compound selected from the group consisting of: a hydroxyquinoline, an aminoquinoline and a quinoline acid. The photoreceptor include a photosensitive layer disposed on the undercoat layer.

Abstract: Described herein are devices, compositions, and methods for improving color discernment.

Abstract: A photoconductor including a conductive support, an undercoat layer, a charge-generating layer, and a charge-transporting layer, at least the undercoat layer, the charge-generating layer, and the charge-transporting layer being disposed on the conductive support in an order mentioned, wherein the undercoat layer includes a binder resin and metal oxide particles, and the charge-generating layer includes a binder resin, a titanyl phthalocyanine pigment, and a salicylic acid derivative.

Abstract: Provided is an electrophotographic photosensitive member capable of suppressing a ghost image. The electrophotographic photosensitive member includes, in this order: a support; an intermediate layer containing metal oxide particles; and a photosensitive layer, in which the intermediate layer contains at least one kind of compound X selected from the group consisting of a compound represented by the formula (1) and a compound represented by the formula (2).

Abstract: The present invention provides an electrophotographic apparatus in which the deterioration of electrical properties in repetitive use is suppressed even in the case where an electrophotographic photosensitive member absorbs moisture under a high-temperature and high-humidity environment. An undercoat layer of the electrophotographic photosensitive member provided in the electrophotographic apparatus contains (?) a metal oxide particle, (?) a particular benzophenone compound and (?) a compound represented by the following formula (2). wherein R11 to R15 each independently represent a hydrogen atom, a hydroxy group, a halogen atom, an alkyl group, an alkoxy group or an amino group and A1 represents an alkenyl group having 2 or more and 4 or less carbon atoms.

Abstract: A photoconductor includes an electroconductive substrate; an undercoat layer overlying the electroconductive substrate; and a photosensitive layer overlying the undercoat layer. The undercoat layer includes a urethane resin, a metal oxide particle and a compound having the following formula (1): wherein R1 to R8 independently represent a hydrogen atom, a nitro group, a cyano group, a halogen atom, a hydroxyl group, a saturated or an unsaturated aliphatic hydrocarbon group optionally having a substituent, an aromatic hydrocarbon group optionally having a substituent, an alkoxy group optionally having a substituent, an aryloxy group optionally having a substituent, a sulfo group optionally having a substituent, an amino group, a dialkylamino group optionally having a substituent or an diarylamino group optionally having a substituent; and R3 and R4, R4 and R5, R6 and R7, and R7 and R8 may be bonded with each other to form an aromatic ring.

Abstract: Provided is a photoconductor including a conductive support, an intermediate layer containing metal oxide particles, and a photoconductive layer. The intermediate layer and the photoconductive layer are provided over the conductive support in the order of reciting. An elastic power (We/Wt value) of the intermediate layer is greater than or equal to 20.0% but less than 35.0%. A Martens hardness (HM) of the intermediate layer is greater than or equal to 350 [N/mm2] but less than 450 [N/mm2].

Abstract: The present invention provides an electrophotographic photosensitive member which includes an undercoat layer, and the undercoat layer contains metal oxide particles and a compound represented by the formula (1).

Abstract: In order to provide an electrophotographic photosensitive member with which a ghost is suppressed even under a low temperature and low humidity environment, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member, the electrophotographic photosensitive member has a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer and comprising a charge generating material and a hole transporting material, wherein the undercoat layer comprises a particular amine compound.

Abstract: An object of the invention is to provide an electrophotographic photoreceptor in which the adhesion of the photosensitive layer is highly satisfactorily maintained regardless of the magnitude of shrinkage, and both of excellent electrical properties and excellent image characteristics are achieved. The present invention relates to an electrophotographic photoreceptor comprising: a conductive support; and, provided thereon, at least an undercoat layer and a photosensitive layer, wherein the undercoat layer comprises a binder resin and the binder resin comprises a polyamide resin which has a degree of elastic deformation of 56.0% or higher.

Abstract: A single-cup brew lid material comprises: a compostable printed layer; and a compostable layer that is sealable to PLA single-cup brew containers.

Abstract: Provided is an electrophotographic photosensitive member, including: a support; an undercoat layer formed on the support; and a photosensitive layer formed on the undercoat layer, in which the undercoat layer includes a cured product of a composition including (i) an isocyanate compound having a structure represented by the following specific formula (1), (ii) at least one resin selected from a polyvinyl acetal and an acrylic polyol; and (iii) a compound represented by any one of the specific formulae (A1) to (A8).

Abstract: A method of manufacturing a positively-charged single-layer electrophotographic photoreceptor including the steps of: producing a photosensitive layer application liquid containing a good solvent with respect to a binding resin and at least one organic solvent having a boiling point of 70° C. or higher; and forming a photosensitive layer by coating a photosensitive layer support base having a wall thickness of 0.7 mm or less, with the photosensitive layer application liquid and then drying the photosensitive layer application liquid.

Abstract: An organic EL display device includes an organic EL element having a first light-emitting portion, a second light-emitting portion, an n-type charge-generation layer, and a p-type charge-generation layer. The first light-emitting portion has a first light-emitting layer and a hole-injection layer. The first light-emitting layer is formed between an anode and a cathode. The hole-injection layer is made of amorphous carbon and in contact with the anode. The second light-emitting portion has a second light-emitting layer, which is formed between the first light-emitting portion and the cathode. The n-type charge-generation layer is formed between the first and second light-emitting portions. The n-type charge-generation layer is in contact with the first light-emitting portion. The p-type charge-generation layer is made of amorphous carbon and formed between the n-type charge-generation layer and the second light-emitting portion.

Abstract: Disclosed are undercoat layers comprising a metal oxide, a polymer, and a citrate of Formula (I): wherein R1 is H, alkyl, or COR?; wherein R? is alkyl; and wherein R2, R3, and R4 are independently alkyl. The undercoat layers are useful in imaging members because they are easily separated from the substrate. This reduces the number of steps necessary to reclaim the substrate.

Abstract: The present invention provides an electrophotographic photoconductor including an electrically conductive substrate, an intermediate layer, and a photosensitive layer that are formed on the electrically conductive support, the intermediate layer including first titanium oxide particles surface-treated with a first reactive organic silicon compound, second titanium oxide particles surface-treated with a second reactive organic silicon compound different from the first reactive organic silicon compound, and a binder resin. The first reactive organic silicon compound is methyl hydrogen polysiloxane. The second reactive organic silicon compound is a compound represented by the following general formula (1): R—Si—(X)3??(1) R represents a alkyl group having 1 to 10 carbon atoms substituted by at least one of acryloxy and methacryloxy groups or unsubstituted; and X represents an alkoxy group having 1 to 4 carbon atoms or a halogen atom.

Abstract: An electrophotographic photosensitive member includes an undercoat layer having a structure represented by formula (1).

Abstract: An electrophotographic photosensitive member comprises a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer, wherein the undercoat layer has a structure represented by the formula (C1) or the formula (C2).

Abstract: Provided is an electrophotographic photoreceptor including an electroconductive substrate, an undercoat layer that is provided on the electroconductive substrate, contains a binder resin, metal oxide particles and an electron accepting compound having an acidic group and has an AC impedance of from 1×105? to 1×108? under the measurement condition in which a temperature is 22° C., a humidity is 50% RH, an AC voltage is ±1 V, and a frequency is 1 Hz and an AC impedance of from 1×103? to 1×108? under the measurement condition in which a temperature is 22° C., a humidity is 50% RH, an AC voltage is ±1 V, and a frequency is 100 Hz, and a photosensitive layer that is provided on the undercoat layer.

Abstract: An electrophotographic photoreceptor includes a conductive support, an undercoat layer that is provided on the conductive support and that has a thickness of from 15 ?m to 40 ?m and has light transmittance of 20% or less with respect to light having a wavelength of 450 nm when the thickness is at least 15 ?m, a charge generation layer that is provided on the undercoat layer, and a charge transport layer that is provided on the charge generation layer and that has a thickness of from 15 ?m to 40 ?m and has light transmittance of 30% or less with respect to light having a wavelength of 450 nm when the thickness is at least 15 ?m.

Abstract: An undercoat layer of an electrophotographic photosensitive member contains a polymerized product of a composition that contains an isocyanate compound having a specific structure, a resin having a specific structure, and an electron transporting substance having a specific structure.

Abstract: In order to provide an electrophotographic photosensitive member in which the dark-area potential does not easily change even when repeatedly used for a long period of time under a normal temperature/low humidity environment, a method of producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus, each comprising the electrophotographic photosensitive member, an undercoat layer of the electrophotographic photosensitive member is incorporated with an organic resin, a metal oxide particle, and a specific compound (phosphine oxide compound).

Abstract: An electrophotographic photoconductor including: an electroconductive substrate; an intermediate layer; and a photoconductive layer, the intermediate layer and the photoconductive layer being on the electroconductive substrate, wherein the intermediate layer includes an inorganic pigment and a binder resin, wherein a volume ratio of the inorganic pigment in the intermediate layer is 30% by volume to 50% by volume, wherein the inorganic pigment comprises titanium oxide and a content of the titanium oxide in the inorganic pigment is 70% by mass to 90% by mass, wherein the inorganic pigment has a specific surface area of 70 m2/g to 140 m2/g, and wherein the intermediate layer has a volume resistivity at an electrical field intensity of 2.5×105 V/cm of 5×1011 ?·cm to 1×1013 ?·cm.

Abstract: Provided are an electrophotographic photosensitive member in which a variation in the light-area potential is suppressed even when the electrophotographic photosensitive member is repeatedly used for a long time in a high-temperature, high-humidity environment, a method of producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus that include the electrophotographic photosensitive member. The electrophotographic photosensitive member includes a support, an undercoat layer, and a photosensitive layer, wherein the undercoat layer contains a urethane resin and zinc oxide particles whose surfaces have been treated with a particular amount of an aminosilane compound.

Abstract: A coating liquid for an undercoat layer of an electrophotographic photoreceptor which is formed by sequentially stacking the undercoat layer and a photosensitive layer on an electrically conductive support, wherein the coating liquid comprises titanium oxide microparticles and silicon nitride microparticles as an inorganic compound, a binder resin and an organic solvent.

Abstract: In order to provide an electrophotographic photosensitive member with which a ghost is suppressed even under a low temperature and low humidity environment, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member, the electrophotographic photosensitive member has a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer and comprising a charge generating material and a hole transporting material, wherein the undercoat layer comprises a particular amine compound.

Abstract: An electrophotographic photoreceptor includes a substrate; an undercoat layer provided on the substrate and containing a tin-zinc complex oxide powder having a volume resistivity of about 2×109 ?·cm or less; and a photosensitive layer provided on the undercoat layer.

Abstract: An electrophotographic photosensitive member includes an undercoat layer containing a silane coupling agent having a divalent group represented by —NH— and an urethane resin. The modulus of elastic deformation (we/wt) of a surface of the undercoat layer satisfies formula (X), where the modulus of elastic deformation is measured by a universal hardness test.

Abstract: An electrophotographic photosensitive member includes a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer, in which the undercoat layer contains a polymerized product of a compound represented by the formula (1) or a polymerized product of a composition containing a compound represented by the formula (1).

Abstract: An electrophotographic photosensitive member is provided in which both a long-term potential variation and a short-term potential variation are suppressed, a method for producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member are also provided. An intermediate layer of the electrophotographic photosensitive member is formed by applying a coating liquid for the intermediate layer, which contains an organic resin and a rutile-type acidic titania sol containing tin, and drying the applied coating liquid.

Abstract: In order to provide an electrophotographic photosensitive member with which a ghost is suppressed even under a low temperature and low humidity environment, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member, the electrophotographic photosensitive member has a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer and comprising a charge generating material and a hole transporting material, wherein the undercoat layer comprises a particular amine compound.

Abstract: The present invention provides an electrophotographic photoconductor that can improve unevenness in image density and reduce image defects such as fogging and dots. The electrophotographic photoconductor includes a conductive support, an intermediate layer, and a photosensitive layer. The intermediate layer includes metal oxide particles surface-treated with a titanium chelate compound represented by the following formula (1): Ti(OR)n(L)4-n??(1) wherein R at each occurrence independently represents a C1-16 aliphatic hydrocarbon group; L at each occurrence independently represents a ligand derived from a chelating agent selected from the group consisting of ?-ketoester represented by the following formula (1a): ?-diketone represented by the following formula (1b): and a C3-10 alkylene glycol; n represents an integer of 1 to 3; if n is 2 or more, two Rs may be coupled to each other.

Abstract: An electrophotographic photoreceptor includes a conductive support, and an undercoat layer, a charge generation layer, and a charge transport layer that are provided in this order on the conductive support, wherein the undercoat layer includes at least metallic oxide particles, a reactive acceptor substance including an anthraquinone structure expressed by the following Formula 1, and a binder resin, the charge generation layer includes hydroxygallium phthalocyanine as a charge generation material, and a reflectance of incident light having a wavelength of 780 nm on a surface of the charge generation layer when the charge transport layer is removed is 17% or greater: wherein the anthraquinone structure expressed by Formula 1 is bonded to another structure at a position of *, and thus forms the reactive acceptor substance, and in Formula 1, n1 represents an integer of 1 to 7.

Abstract: An electrophotographic photoreceptor includes a support; an undercoat layer which is provided on the support and contains at least a binder resin, metal oxide particles, and an electron-accepting compound having an anthraquinone structure, in which a content of the electron-accepting compound is from 0.5% by weight to 1.5% by weight with respect to the metal oxide particles and a contact angle of the metal oxide particles with respect to water is from 7° to 12°; and a photosensitive layer which is provided on the undercoat layer.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer that is provided on the conductive substrate, a charge generation layer that is provided on the undercoat layer, a charge transport layer that is provided on the charge generation layer, and a protective layer that is provided on the charge transport layer and has volume resistivity of 2×1013 ?·m to 4×1013 ?·m, and the work functions and electron affinities of the undercoat layer and the charge generation layer satisfy the following Expression (1): 0.4 eV?(Efuc?Eauc)?(Efcg?Eacg)?0.6 eV (where Efuc represents the work function of the undercoat layer, Eauc represents the electron affinity of the undercoat layer, Efcg represents the work function of the charge generation layer, and Eacg represents the electron affinity of the charge generation layer).

Abstract: A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, a charge transport layer, and an optional protective coating, and where the charge transport layer contains a mixture of a charge transport component and a polyarylatecarbonate.

Abstract: Provided is a laminate type electrophotographic photoreceptor including an electrically conductive substrate, and an undercoat layer, a charge generation layer, and a charge transport layer sequentially disposed on the electrically conductive substrate, in which a characteristic response time of the photoreceptor is about 10 msec or more and about 85 msec or less and a thickness of the charge transport layer is greater than about 18 ?m and equal to or less than about 45 ?m. Also, an electrophotographic image forming apparatus and an electrophotographic cartridge using the electrophotographic photoreceptor are provided. An electrophotographic photoreceptor according to the present general inventive concept has an improved response time and thus, charge stain characteristics are excellent even when a thick charge transport layer is selected.

Abstract: An electrophotographic apparatus and an electrophotographic photosensitive member for use in the electrophotographic apparatus are provided. The number of intermediate layers between a photoconductive layer and a surface layer is an odd number more than 2, and the refractive index monotonically decreases from the photoconductive layer toward the surface layer. The refractive index of an odd-numbered intermediate layer is in a predetermined range of the geometrical mean of the refractive indices of the two layers adjacent to the odd-numbered intermediate layer, and the product of the refractive index and the thickness is in a specific range of an odd multiple of ?/4n. The sum of the products of the refractive indices and the thicknesses of one or more intermediate layers disposed between at least two odd-numbered intermediate layers is in a range of ??/2<?<?/2 in the terms of phases.

Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising a protective outer layer which comprises light-absorbing composition that substantially prevents any light absorption by the overcoat layer. The composition comprises a low strength thermal plastic resin and a high optical density yellow dye. Thus, the light-blocking protective layer reduces the intrinsic light shock suffered by conventional overcoat layers without negatively impacting electrical properties of the overcoat layer and while improving print quality.

Abstract: According to the present invention, an electrophotographic photoreceptor comprising an intermediate layer is provided. The intermediate layer is a single layer and contains first metal oxide particles, second metal oxide particles having higher electron-transporting properties than those of the first metal oxide particle and a binder resin. The first metal oxide particles are unevenly distributed in the thickness direction of the intermediate layer.

Abstract: A single-cup brew lid material comprises: a compostable printed layer; and a compostable layer that is sealable to PLA single-cup brew containers.