Abstract: A toner comprising toner particles having at least one type of surface additive, the toner particles having an FPIA average circularity of at least 0.95, whereby at least 80% wt of the total amount of surface additives stays onto the surface of the toner particles when an ultrasonic treatment of 4500 to 4700 J/gram of toner is applied; a substrate printed or marked with the above-described toner; and a method for manufacturing a toner, said method including the steps of: mixing a binder resin, a colorant and optionally other additives, thereby forming a mixture, melting, kneading and milling said mixture, thereby obtaining a melted kneaded product, pulverizing said melted kneaded product, adding at least one surface additive before or while bringing the FPIA average circularity of said toner particles to 0.

Abstract: A radiation curable toner is described having at least a radiation curable binder (e.g. a UV curable polymer), a photoinitiator, and a wax; wherein the wax is present in a concentration ranging from 0.3 to 3% by weight. The ratio of scratch resistance before curing is preferably at least 2. The toner may be used in a developer, e.g. a two-component developer, for printing or copying.

Abstract: A toner comprising toner particles having at least one type of surface additive, the toner particles having an FPIA average circularity of at least 0.95, whereby at least 80% wt of the total amount of surface additives stays onto the surface of the toner particles when an ultrasonic treatment of 4500 to 4700 J/gram of toner is applied; a substrate printed or marked with the above-described toner; and a method for manufacturing a toner, said method including the steps of: mixing a binder resin, a colorant and optionally other additives, thereby forming a mixture, melting, kneading and milling said mixture, thereby obtaining a melted kneaded product, pulverizing said melted kneaded product, adding at least one surface additive before or while bringing the FPIA average circularity of said toner particles to 0.

Abstract: The present invention provides dry toner particles comprising at least a radiation curable resin, and a colouring agent, wherein the circularity of the toner particles is between 0.95 and 0.99 and a charge control agent in a concentration between 0.025% and 1.0% by weight is present preferably as an external additive. The toners of this invention are useful for printing any substrate and for use in any form of printing or marking device.

Abstract: A toner comprising toner particles having at least one type of surface additive, the toner particles having an FPIA average circularity of at least 0.95, whereby at least 80 % wt of the total amount of surface additives stays onto the surface of the toner particles when an ultrasonic treatment of 4500 to 4700 J/gram of toner is applied; a substrate printed or marked with the above-described toner; and a method for manufacturing a toner, said method including the steps of: mixing a binder resin, a colorant and optionally other additives, thereby forming a mixture, melting, kneading and milling said mixture, thereby obtaining a melted kneaded product, pulverizing said melted kneaded product, adding at least one surface additive before or while bringing the FPIA average circularity of said toner particles to 0.

Abstract: A radiation curable toner is described comprising at least a radiation curable binder (e.g. a UV curable polymer), a photoinitiator, and a wax; wherein the wax is present in a concentration ranging from 0.3 to 3% by weight. The ratio of scratch resistance after curing to scratch resistance before curing is preferably at least 2. The toner may be used in a developer, e.g. a two-component developer, for printing or copying.

Abstract: The present invention provides dry toner particles comprising at least a radiation curable resin, and a colouring agent, wherein the circularity of the toner particles is between 0.95 and 0.99 and a charge control agent in a concentration between 0.025% and 1.0% by weight is present preferably as an external additive. The toners of this invention are useful for printing any substrate and for use in any form of printing or marking device.

Abstract: The invention relates to dry toner particles comprising at least a radiation curable resin and a colouring agent, the radiation curable resin comprises a blend of a) an (meth)acrylated epoxy/polyester resin b) (meth)acrylated polyurethane resin. Preferably, when fused and cured toner images obtainable from said dry toner particles are obtained on a substrate used for developing same, these images have an equivalent rub number (ERN)>6, wherein ERN=MEK rub resistance/(radiation dose*meq/gr), wherein meq/gr designates the milli-equivalent amount of double bounds per gram of said radiation curable resin and a viscosity behaviour such that the viscosity at 140° C. is lower than the viscosity at 120° C.

Abstract: The present invention relates to a dry toner composition suited for development of electrostatic charge images, magnetic patterns or DEP (Direct Electrostatic Printing). More specifically the present invention relates to a specific toner composition allowing fusing of the toner image to the final substrate at low temperature.

Abstract: The present invention relates to a liquid toner composition suited for development of electrostatic charge images, magnetic patterns or DEP (Direct Electrostatic Printing). More specifically the present invention relates to a specific liquid toner composition allowing transfusing of the toner image from a temporary carrier to the final substrate at low temperature.

Abstract: The present invention relates to a liquid toner composition suited for development of electrostatic charge images, magnetic patterns or DEP (Direct Electrostatic Printing). More specifically the present invention relates to a specific liquid toner composition allowing transfusing of the toner image from a temporary carrier to the final substrate at low temperature.

Abstract: The present invention relates to a dry toner composition suited for development of electrostatic charge images, magnetic patterns or DEP (Direct Electrostatic Printing). More specifically the present invention relates to a specific toner composition allowing fusing of the toner image to the final substrate at low temperature.

Abstract: A toner composition of which the toner particles are electrostatically or magnetically attractable and suitable for use in the satin-look development and fixing of electrostatic charge images or magnetic patterns and wherein the composition of said powder particles comprises a linear non gel containing and a non-linear gel containing polyester, with specific melt characteristics. A method of using such toner particles in specific fixing devices enabling fixing of colour images on different substrates, on two sides within one single pass.

Abstract: Dry toner particles are provided wherein the toner resin includes a mixture of two polymer A and B, A and B being chosen such that an extruded slab with thickness 250 &mgr;m of a 50:50 mixture of both has a transmission density (DM) being between 0.10 and 1.00 higher than the sum of half the transmission density of a 250 &mgr;m extruded slab of polymer A alone (DA) and half the transmission density of a 250 &mgr;m extruded slab of polymer B alone (DB). The polymers A and B are mixed in a weight ratio between 5:1 to 1:5 and make up at least 25% by weight of the total toner resin. The polymer A is a polyester and the polymer B is a polyester or a specified styrene-acrylic copolymer.

Abstract: An electrostatic method for producing a master image for decorating ceramic, enamel or glass objects comprising the steps of: providing a temporary support having a surface with release properties, image-wise depositing charged toner particles, having a volume average particle size dv, such that 5 &mgr;m<dv<15 &mgr;m the particles including in the bulk particles of a ceramic pigment, CP, selected from the group of metals, metal oxides and mixed metal oxides, having a volumetric particle size distribution such that 90% of the particles have a diameter lower than ⅔ times dv and providing particles of glazing material, having a volumetric particle size distribution such that 90% of the particles have a diameter lower than ⅔ dv, in the master image. Preferably the glazing material is brought in the master image by image-wise depositing toner particles comprising in the bulk of the toner particles both a ceramic pigment and glazing material.

Abstract: Dry toner particles with a resinous matrix containing a mixture of a polymer (LPC) with low softening point and tg&dgr;>3, modified by a modifier (D) selected from the group consisting of long chain aliphatic compounds with a reactive end group and having between 20 and 250 carbon atoms and a polysiloxane, said modifier and said polymer being present in a molar ratio LPC/D between 0.8 and 1.25 and a non-linear polymer with a softening point TsB such that 110° C.≦TsB≦135° C. The toner particles further contain a wax chosen from waxes having a melting point near to the softening point of the branched polymer B.

Abstract: A transfer foil comprising a support with a thickness equal to or lower than 75 .mu.m and, directly adjacent to the support, an image receiving layer with a polymeric binder and having thickness d, a cohesive force F.sub.coh and adhering to the support with a force F.sub.rel characterised in that F.sub.rel >F.sub.coh. Preferably between the support and the image receiving layer a release layer is present.The cohesive force of the image receiving layer is controlled by adding a "promotor for cohesive break" to the layer. Such a promotor is selected from the group consisting of spacing particles with an average volume diameter d.sub.v50 >0.9d, waxes, polymers, different from the polymeric binder and cross-linking agents for the polymeric binder.

Abstract: Dry toner particles with a resinous matrix containing a mixture of a polymer (LPC) with low softening point and tg.delta.>3, modified by a modifier (D) selected from the group consisting of long chain aliphatic compounds with a reactive end group and having between 20 and 250 carbon atoms and a polysiloxane, said modifier and said polymer being present in a molar ratio LPC/D between 0.8 and 1.25 and a non-linear polymer with a softening point T.sub.sB such that 110.degree. C. .ltoreq.T.sub.sB .ltoreq.135.degree. C. The toner particles further contain a wax chosen from waxes having a melting point near to the softening point of the branched polymer B.

Abstract: Dry toner particles comprising an amorphous complex macromolecular compound that contains in its macromolecular structure,(i) a polyester backbone (A) having a Tg of at least 45.degree. C. and(ii) at least one polymer chain (B) being attached to the backbone, either terminally and/or in a side-chain, the polymer chain (B) being derived from a polymer selected from the group consisting of polyolefines and polyolefines containing alkoxy groups which on itself has an average molecular weight by number (M.sub.avg) so that 1900.ltoreq.M.sub.avg <4000, a melting point between 50.degree. C. and 150.degree. C. and a melting range of at most 15.degree. C.

Abstract: A process for electrostatographic production of a transfer image on a transfer foil, useful for hot-stamping is disclosed. The process uses transfer foils with a thickness between 5 and 60 .mu.m and the image is printed on the transfer foil using toner particles with a melt viscosity between 100 and 2,000 Pa.multidot.s. The image is preferably fixed to the transfer foil by non-contact fusing methods and the printing proceeds on a web unwound from a roll.