In a first aspect, the invention provides an ink formulation comprising: (a) a near infrared absorbing system comprising a compound of the formula M.sup.1W.sub.1.6O.sub.6, wherein M.sup.1 is one or more elements selected from the group consisting of H, He, alkali metals such as Li, Na, K, Rb, Cs, alkaline earth metals such as Be, Mg, Ca, Sr, Ba, rare-earth elements, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, AL Ga, in, Tl, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, Re, Hf, Os, Bi and I, or ammonium; (b) a color change agent; and (c) a binder. The invention also provides alternative ink formulations for laser marking, a method of forming an image using the ink formulations and a substrate coated with the ink formulation of the invention. Ink formulations according to the invention have been found to have good laser imaging efficacy, and an essentially negligible impact on the background color of the coating.

A colorless digital primer for digital printing includes a colorless paste. The colorless paste includes a non-polar carrier fluid, and a resin swollen in the non-polar carrier fluid. The resin is present in the paste in an amount ranging from about 20% (w/w) to about 50% (w/w). A solid polar compound is dispersed in the resin. The solid polar compound is selected from the group consisting of a cellulose microcrystalline powder, dextrin, maltose monohydrate, polyacrylic acid, polyvinyl alcohol, a styrene maleic anhydride copolymer, a bismaleimide oligomer, sucrose, sucrose octaacetate, sucrose benzoate, and combinations thereof. The solid polar compound is present in an amount up to 60 wt. % of solids in the colorless paste.

An ink-based digital printing system suitable for use with hydrophilic and/or aqueous dampening fluids includes an imaging member having an imaging member material that is hydrophilic at the imaging surface.

An imaging member includes a surface layer comprising a fluorosilicone and an infrared-absorbing filler. At least 75% of the siloxane units in the fluorosilicone are fluorinated. Methods of manufacturing the imaging member and processes for variably lithographic printing using the imaging member are also disclosed.

A textile printing method that includes printing to a textile with a material including a dye expressed by the following general formula 1. ##STR00001## In general formula 1, R.sup.1 to R.sup.16 is H, CH.sub.3, OH, NHC.sub.2H.sub.5, COOH, SO.sub.3H, SO.sub.3Na, NO.sub.2, or NH.sub.2.

There is provided a method for electrostatic printing comprising providing a print substrate having a layer comprising a polymeric material, the layer comprising a polymeric material having thereon a surface layer comprising an aminofunctional silane; carrying out an electrostatic printing process to transfer an ink onto the surface layer comprising the aminofunctional silane. Also disclosed herein are print substrates producible by the method, and print substrates for use in the method.

An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer provided on the conductive substrate and containing a binder resin and an electron transport material represented by General Formula (P), and a photosensitive layer provided on the undercoat layer,

##STR00001## in General Formula (P), R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aralkyl group, an aryl group, an alkoxycarbonyl group, or a halogen atom.

An electrophotographic photoreceptor for contact charging with a DC voltage, includes a conductive substrate, an undercoat layer provided on the conductive substrate, a charge generation layer provided on the undercoat layer, a charge transport layer provided on the charge generation layer, and a surface protective layer provided on the charge transport layer, in which the surface protective layer is a cured film of a composition containing a reactive charge transport material and contains a hydroxy group and a benzene ring structure, and a value of a peak area of the hydroxy group/a peak area of the benzene ring structure that are measured by an attenuated total reflection method of infrared spectroscopy, is greater than 0.05 and 0.36 or less.

A conductive polymer material which can achieve longer operating life by improving resistance stability at the time of performing continuous conduction, a method for producing the conductive polymer material, and an image forming device member are provided. A conductive polymer material containing a quaternary ammonium base incorporated in a main chain of a polymer material as an electrolyte cation, and an alkyl sulfate radical as an electrolyte anion.

A conductive polymer material which can achieve longer operating life by improving resistance stability at the time of performing continuous conduction, a method for producing the conductive polymer material, and an image forming device member are provided. A conductive polymer material containing a quaternary ammonium base incorporated in a main chain of a polymer material as an electrolyte cation, and an alkyl sulfate radical as an electrolyte anion.