EP1721220A1 - Dry toner, method for the production thereof and use thereof - Google Patents
Dry toner, method for the production thereof and use thereofInfo
- Publication number
- EP1721220A1 EP1721220A1 EP05810706A EP05810706A EP1721220A1 EP 1721220 A1 EP1721220 A1 EP 1721220A1 EP 05810706 A EP05810706 A EP 05810706A EP 05810706 A EP05810706 A EP 05810706A EP 1721220 A1 EP1721220 A1 EP 1721220A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dry toner
- pigments
- metallic effect
- toner
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
- G03G9/0902—Inorganic compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
- G03G9/0902—Inorganic compounds
- G03G9/0904—Carbon black
Definitions
- Dry toner process for its preparation and use thereof
- the present invention relates to a dry toner, a process for producing the dry toner, the use of the dry toner, a toner cartridge and a printed product.
- full-color images according to the principle of full-color electrophotography is normally effected by color rendering with colored toners of the three primary colors yellow, magenta and cyan or with four-color toners additionally containing a black toner.
- Electrophotography generally involves the formation of a latent electrostatic image on a photoreceptor using a photoconductive material, developing the latent image with toner and, after transferring the toner image to paper, etc., fixing the toner image by application of heat, pressure or solvent vapors.
- Colored copying using electrophotography is performed by exposing an original through a color filter several times and developing each electrostatic latent image with a corresponding color toner, that is, generally with yellow, magenta and cyan color toners performed so as to produce a color image comprising a plurality of superimposed toner images.
- JP 63100468 A, JP 62127754 A and JP 62127753 A disclose toner compositions in which metallic effects with the aid of dark titanium oxide layers on platelet-shaped substrates, with platelet-shaped purine derivatives or fish scales are to be simulated.
- JP 62100770 A and JP 62100771 A describe a silver or gold toner for electrophotography, which is based on titania or iron oxide coated inorganic support materials.
- US Pat. No. 6,376,147 B1 describes a liquid toner composition in which metallic effect pigments are used.
- the use of solvent in the toner composition is particularly disadvantageous from the point of view of environmental compatibility and occupational safety.
- These printing machines In addition, they must be explosion-proof because of the use of solvents in the toner composition.
- WO 2005/076086 A1 discloses a metallic color toner comprising metal pigments with an organic coating.
- the organic coating is an aliphatic acid, an acid amide, an acid salt, olefinic material, natural wax, synthetic wax, a polymer or a combination thereof.
- a silicate, titanate or aluminate layer may also be applied to the metal pigment. It is extremely disadvantageous that when using stearic acid, i. an aliphatic acid, to a plasticization of
- Toner material comes. Furthermore, it is disadvantageous that no prints with a shiny and brilliant metallic appearance can be produced with this metallic toner.
- toner composition that is substantially dry, i. low in solvents and, when used in electrophotographic printing processes, produces brilliant and angle-dependent reflective prints of high color strength.
- a dry toner comprising a platelet-shaped metallic effect pigment or a plurality of platelet-shaped metallic effect pigments and at least one resin component dissolved, the metallic effect pigment or the metallic effect pigments additionally being provided with a coating which preferably increases the mechanical stability and wherein this coating is additionally modified with at least one organic layer wherein the organic layer is selected from the group consisting of organofunctional silanes, organofunctional titanates, organofunctional zirconates, phosphonic acids and phosphonates.
- the toner according to the invention is referred to herein as a dry toner.
- the toner according to the invention may have a certain residual moisture, but is not liquid, but has a substantially particulate nature.
- the inventors have surprisingly found that it is possible to provide a non-liquid toner with platelet-shaped metal pigments. That is, according to the present invention, there is provided a powdered low-solvent, preferably solvent-free, toner containing platelet-shaped metallic effect pigments capable of producing brilliant and shiny metallic full-color or multicolor images.
- the dry toner preferably has a residual moisture content of not more than 10% by weight, preferably not more than 5% by weight, in each case based on the total weight of the dry toner.
- the residual moisture is below 2 wt .-%, more preferably below 0.5 wt .-%.
- the dry toner does not contain any substantial residual moisture, i. is essentially solvent-free.
- the dry toner is solvent-free.
- the present invention thus provides a low-solvent, preferably solvent-free dry toner, the printed image due to the
- the dry toner according to the invention can be used in conventional printers and photocopiers without additional explosion protection.
- the metallic effect pigment or the metallic effect pigments are selected from the group consisting of aluminum, copper, zinc, silver, gold, iron, titanium, brass and bronze pigments as well as alloying pigments and mixtures of these pigments will or will be.
- alloying pigments are understood as meaning pigments whose platelet-shaped metal core is an alloy of aluminum, copper, zinc, silver, gold, iron, titanium, brass and / or gold bronze.
- the metallic effect pigment or the metallic effect pigments has or have an average particle size of from 0.5 ⁇ m to 35 ⁇ m, preferably from 1 ⁇ m to 17 ⁇ m and particularly preferably from 2 ⁇ m to 10 ⁇ m.
- the proportion of the metallic effect pigment or of the metallic effect pigments in the dry toner is preferably from 0.5 to 50% by weight, preferably from 5 to 25% by weight, particularly preferably from 10 to 15% by weight, in each case based on the total weight of the dry toner ,
- the metallic effect pigment or the metallic effect pigments are provided with a coating which preferably increases the mechanical and thermal stability.
- This additional coating preferably envelops the metallic effect pigments.
- the coating may, for example, cause corrosion protection, so that even after application of a printed image no corrosion and thus no graying of the metallic effect pigments takes place.
- the coating further protects the pigments against oxidation by the action of temperature, as they occur during the printing / fixing process in the printing press. Thus, the production of printed images is possible, which have a long-lasting brilliance.
- the coating preferably imparts improved mechanical stability to the metal pigments, so that the metal pigments are not damaged during the production of the toner, storage, transport and / or printing, which could lead to an impairment of the quality of the printed image.
- Metal effect pigments comprises one or more metal oxides or consists of a metal oxide or more metal oxides.
- the metal oxide or the metal oxides of oxides of the elements selected from the group consisting of silicon, titanium, zirconium, aluminum, boron, cerium, chromium and mixtures thereof.
- Aluminum oxide, boron oxide, cerium oxide and / or chromium oxide has the advantage that both the mechanical and thermal stability of the pigment and the electrical properties, in particular the chargeability, of the pigments are improved.
- Metallic effect pigments applied coating additionally modified with at least one organic layer.
- the organic layer is applied using one or more leafing promoting modifiers selected from the group consisting of organofunctional silanes, organofunctional titanates, organofunctional zirconates, phosphonic acids, phosphonates, and mixtures thereof.
- the abovementioned modifiers in each case preferably contain aryl radicals and / or alkyl radicals having at least 3 C atoms and which may be fluorinated.
- the aryl radicals and / or alkyl radicals preferably have 3 to 24 C atoms.
- the alkyl radicals can be branched or linear.
- the alkyl radicals are preferably linear.
- silanes such as propyltrimethoxysilane, propyltriethoxysilane, isobutyltrimethoxysilane, isobutyltriethoxysilane,
- Leafing is understood to mean that the metallic effect pigments are arranged on the surface or near the surface of the printed image during the printing process, since the metallic effect pigments of the toner according to the invention after printing on the surface of the printed image, ie the side facing the viewer of the print film arrange, comes the Metallik bin, ie the shiny and brilliant metallic properties of the metallic effect pigments are almost completely, preferably completely, to advantage.
- the aforesaid leafing promoting modifiers have the great advantage over aliphatic acids, particularly fatty acids, of exhibiting some incompatibility with the toner resin so that the metallic effect pigments of the toner of the invention migrate to the molten toner interface during the fusing operation and on the other hand they are firmly, preferably covalently, bound on the pigment surface. Plastification of the toner resin, as described in WO 2005/076086, can advantageously not be carried out.
- metal pigments examples include the coated STANDARD gold bronze or copper powders L900, G900, E900, 7600, 8700 or Rotoflex as well as coated bronze or copper pigments called Dorolan or Resist as well as the additional surface modified grades based on these pigments.
- Suitable pigments based on aluminum are, for example the pigment types PCR or Sillux (all available from Eckart GmbH & Co. KG, Harrisonth, Germany).
- the at least one resin component comprises or consists of at least one thermoplastic resin.
- the thermoplastic resin is preferably selected from the group consisting of saturated or unsaturated polyesters, polyvinyl compounds, ethylene-vinyl acetate, styrene copolymers, styrene-acrylate, acrylates, methacrylates, polyethylene, polypropylene, polystyrene, styrene-butadiene, epoxies, polyamides, polycarbonates, polyurethanes, and the like whose mixtures are selected.
- the proportion of the at least one resin component (s) is preferably 20 to 99.5% by weight based on the total weight of the toner.
- the dry toner additionally contains one or more colorants which are or are preferably selected from the group consisting of color pigments, colored pigments, dyes and mixtures thereof.
- colorants for example, carbon black, mono / bisazo pigments, magnetic powders, acridone pigments, triphenylmethane pigments, perylenes and / or azo pigments can be used in addition to the metallic effect pigments.
- conventional colored pigments or dyes may be included, for. B. in the basic colors cyan, magenta, yellow and / or black.
- red, blue, green, violet, white, orange pigments and / or dyes and / or fluorescent dyes can also be present in the dry toner according to the invention.
- the content of additional colorants may be up to 20 wt .-% or more, more preferably, the content is in a range of about 1 wt .-% to 15% by weight, each based on the total weight of dry toner.
- the charge control agent there may be contained in the toner of the present invention substances suitable for either positively or negatively chargeable toners or for charge stabilization, for example, triphenylmethane compounds, ammonium salts, Al-azo complexes, Cr-azo complexes, inorganic or organic polymeric compounds , both in pure substance and in the form of preparations. Such substances are z. B. in the company. Clariant under the name "Copy" or "Hostacopy" available.
- a charge control agent may be included in the dry toner, for example, silica or generally metal salts.
- the content of charge control agent is usually less than 5% by weight, preferably about 1 to 3% by weight, based in each case on the total weight of dry toner.
- the polarity, electrical properties and / or the flowability can generally be influenced or controlled via the additives.
- carriers such as spherical or irregular ferrites can also be present in the toner according to the invention.
- the carriers can control the triboelectric charging, i. cause the friction electricity, whereby the transport of the toner particles to the photoelectric layer can be improved.
- the present invention thus provides a dry and preferably low-solvent, more preferably solvent-free, toner for all types of electrophotography, the dry toner containing one or more platelet-shaped metallic effect pigments and one or more resin component (s).
- the dry toner according to the invention makes it possible to reproduce metallic, brilliant and strongly colored images.
- the toner is characterized by good latent electrostatic image developing characteristics, by a good transfer of developed image on a substrate and a good fixation of the toner on the substrate.
- the object underlying the invention is further achieved by a first process for producing a dry toner, comprising the steps
- Is selected from the group consisting of organofunctional silanes, organofunctional titanates, organofunctional zirconates, phosphonic acids and phosphonates, toner resin and optionally additives such as colorants, charge control agents and / or other additives,
- step (c) comminuting the extrudate obtained in step (b) to provide the dry toner dissolved.
- the extrusion in step (b) at a temperature of 30 0 C to 200 0 C, more preferably from 5O 0 C to 100 ° C.
- the crushing of the extrudate is preferably carried out by grinding. By grinding, the desired particle size of the dry toner can be adjusted.
- the preparation of the toner of the invention may for example be done by toner resin, metal effect pigment, possibly color pigment (-preparations), if necessary, suitable charge control agent or other additives at a temperature of 15 to 15O 0 C until mixed and then extruded, for example on a double-screw extruder , whereby a homogeneous dispersion of all pigments and additives in the toner resin is obtained.
- the extrudate obtained can then be crushed in a suitable mill, for example a hammer mill, and crushed in the Connection thereto, for example, with a jet mill, finely ground. With the help of ayerstromklassierers the desired particle size is obtained.
- Such a toner is characterized by relatively uneven and rough surfaces and a relatively broad particle size distribution.
- the object underlying the invention is also achieved by a second process for the preparation of a dry toner, comprising the steps
- this coating is additionally modified with at least one organic layer, wherein the organic layer is selected from the group consisting of organofunctional silanes, organofunctional titanates, organofunctional zirconates, phosphonic acids and phosphonates in one
- step a) adding an emulsion with a polymerisable monomer or a plurality of polymerisable monomers into the dispersion obtained according to step a),
- the metal pigment or pigments are dispersed in an aqueous or aqueous phase.
- a liquid phase only water can be used.
- so much surfactant is added until the critical micelle concentration (CMC) is exceeded.
- An emulsion of one or more polymerizable hydrophobic monomers, preferably in water, is subsequently added to this surfactant-containing dispersion of the metal pigments.
- the addition of the emulsion with polymerizable hydrophobic monomer or monomers is preferably carried out with thorough mixing, so that a homogeneous dispersion / emulsion is obtained.
- the polymerization of the polymerizable monomer (s) is then initiated.
- the initiation preferably takes place by addition of a radical initiator.
- the polymerization can also be initiated differently, for example by irradiation of energy.
- the metal pigments are enveloped by the resulting polymers.
- a complete polymer shell is formed, which may also be referred to as a polymer capsule.
- the polymer-encapsulated metal pigments thus obtained are subsequently isolated, for example by sieving, and optionally classified.
- anionic surfactants e.g. Sodium dodecyl sulfate, sodium dodecylbenzenesulfonate, polyoxyethylene alkyl ether sulfates or alkali metal salts of fatty acids, nonionic surfactants such as alkylphenol ethoxylates, fatty alcohol ethoxylates, EO / PO-based block copolymers or cationic surfactants such as e.g. used quaternized fatty amines.
- Suitable monomers are preferably styrene or styrene derivatives, acrylic esters or methacrylic esters, acryl / methacrylonitrile, vinyl ethers, dienes and derivatives thereof.
- Pigment particles around smallest polymer droplets which also contain the other additives and colorants.
- the platelet-shaped pigment particles are therefore largely enveloped or encapsulated by a polymer or resin composition.
- the polymer-encapsulated metallic effect pigments can be isolated and used directly as dry toners.
- toner particles having a spherical particle structure and a uniform particle size are advantageously produced.
- the dry toner produced by the second method is particularly suitable for applications in which it depends on a high resolution.
- the particle size of the toner particles produced by the second method is determined by the size of the metallic effect pigments used.
- pigments having an average diameter less than or equal to 10 ⁇ m are preferably used.
- the particle size of the dry toner ranges from 0.5 ⁇ m to 15 ⁇ m, more preferably from 2 ⁇ m to 10 ⁇ m, still more preferably from 4 ⁇ m to 6 ⁇ m.
- the finer the dry toner the better the resolution in the printed image. If the print image does not require high resolution, the toner particles may also have a larger particle diameter, such as 20 ⁇ m, 25 ⁇ m or larger.
- the object of the present invention is also achieved by a toner cartridge containing the dry toner according to the invention.
- the object of the invention is also achieved by a printed product which has been printed or printed using the toner according to the invention.
- the printed product may be a printed sheet such as paper,
- the printed product can also be a three-dimensional
- Subject such as a packaging, bottle, box or housing.
- the materials are premixed in a mixer and then extruded through a twin-screw extruder at about 120 0 C.
- the cooled extrudate is crushed by means of a hammer mill into pieces of a few millimeters in size and then finely pulverized in an air jet pulverizer. After application, a shiny golden metallic effect appears.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004056330A DE102004056330A1 (en) | 2004-11-22 | 2004-11-22 | Dry toner, process for its preparation and use thereof |
PCT/EP2005/012487 WO2006056402A1 (en) | 2004-11-22 | 2005-11-22 | Dry toner, method for the production thereof and use thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1721220A1 true EP1721220A1 (en) | 2006-11-15 |
EP1721220B1 EP1721220B1 (en) | 2008-02-20 |
Family
ID=35677612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05810706A Not-in-force EP1721220B1 (en) | 2004-11-22 | 2005-11-22 | Dry toner, method for the production thereof and use thereof |
Country Status (8)
Country | Link |
---|---|
US (1) | US7955772B2 (en) |
EP (1) | EP1721220B1 (en) |
JP (1) | JP2008521037A (en) |
AT (1) | ATE386963T1 (en) |
AU (1) | AU2005309022A1 (en) |
CA (1) | CA2588055A1 (en) |
DE (2) | DE102004056330A1 (en) |
WO (1) | WO2006056402A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104254808A (en) * | 2012-05-02 | 2014-12-31 | 伊斯曼柯达公司 | Non-porous dry toner particles for metallic printed effect |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8039183B2 (en) * | 2007-10-25 | 2011-10-18 | Xerox Corporation | Resin-coated pearlescent or metallic pigment for special effect images |
DE102007061701A1 (en) * | 2007-12-19 | 2009-06-25 | Eckart Gmbh | Metallic effect pigments, process for their preparation and use thereof and powder coating |
US8722290B2 (en) | 2010-06-28 | 2014-05-13 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, and image forming apparatus |
US20110318682A1 (en) * | 2010-06-28 | 2011-12-29 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, and image forming apparatus |
US8859176B2 (en) | 2010-06-28 | 2014-10-14 | Fuji Xerox Co., Ltd. | Toner, developer, toner cartridge, and image forming apparatus |
JP5556463B2 (en) * | 2010-07-14 | 2014-07-23 | 富士ゼロックス株式会社 | Developer, toner cartridge, process cartridge, and image forming apparatus |
JP5494391B2 (en) * | 2010-09-24 | 2014-05-14 | 富士ゼロックス株式会社 | Developer, toner cartridge, process cartridge, and image forming apparatus |
JP5786182B2 (en) * | 2011-03-29 | 2015-09-30 | 株式会社リコー | Toner for electrophotography, image forming method and process cartridge |
JP5867023B2 (en) * | 2011-11-28 | 2016-02-24 | 富士ゼロックス株式会社 | Toner, developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
JP5915128B2 (en) * | 2011-12-05 | 2016-05-11 | 富士ゼロックス株式会社 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus |
JP6044086B2 (en) | 2012-03-13 | 2016-12-14 | 富士ゼロックス株式会社 | Electrostatic latent image developing toner, developer, toner cartridge, process cartridge, and image forming apparatus |
JP5900086B2 (en) * | 2012-03-26 | 2016-04-06 | 富士ゼロックス株式会社 | Electrostatic latent image developing toner, developer, toner cartridge, process cartridge, and image forming apparatus |
JP5857834B2 (en) | 2012-03-26 | 2016-02-10 | 富士ゼロックス株式会社 | Developer, process cartridge, and image forming apparatus |
US20130295502A1 (en) * | 2012-05-02 | 2013-11-07 | Dinesh Tyagi | Preparing toner images with metallic effect |
US9323169B2 (en) * | 2012-05-02 | 2016-04-26 | Eastman Kodak Company | Preparing color toner images with metallic effect |
JP5949166B2 (en) * | 2012-05-30 | 2016-07-06 | 富士ゼロックス株式会社 | Bright toner, developer, toner cartridge, process cartridge, and image forming apparatus |
JP6019865B2 (en) * | 2012-07-19 | 2016-11-02 | 富士ゼロックス株式会社 | Toner set, image forming apparatus, and image forming method |
JP2014038131A (en) * | 2012-08-10 | 2014-02-27 | Fuji Xerox Co Ltd | Glossy toner, developer, toner cartridge, process cartridge, and image forming apparatus |
US9618868B2 (en) | 2013-04-30 | 2017-04-11 | Eastman Kodak Company | Metallic toner particles for providing metallic effect |
JP2015052650A (en) * | 2013-09-05 | 2015-03-19 | 富士ゼロックス株式会社 | Photoluminescent toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
US9259953B2 (en) | 2013-09-27 | 2016-02-16 | Eastman Kodak Company | Tactile images having coefficient of friction differences |
JP6171839B2 (en) * | 2013-10-22 | 2017-08-02 | 富士ゼロックス株式会社 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method |
JP6349842B2 (en) * | 2014-03-25 | 2018-07-04 | 富士ゼロックス株式会社 | Bright toner, electrostatic charge image developer, developer cartridge, process cartridge, image forming apparatus, and image forming method |
JP6458419B2 (en) * | 2014-09-22 | 2019-01-30 | 富士ゼロックス株式会社 | Bright toner, electrostatic charge image developer, toner cartridge, image forming method, and image forming apparatus |
JP6554771B2 (en) * | 2014-09-24 | 2019-08-07 | 富士ゼロックス株式会社 | Bright toner, electrostatic charge image developer, toner cartridge, image forming method, and image forming apparatus |
JP2017054060A (en) * | 2015-09-11 | 2017-03-16 | 富士ゼロックス株式会社 | Electrostatic charge image developer, developer cartridge, process cartridge, image forming apparatus, and image forming method |
JP6319244B2 (en) * | 2015-09-15 | 2018-05-09 | 富士ゼロックス株式会社 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, image forming method, and image forming apparatus |
JP6319243B2 (en) * | 2015-09-15 | 2018-05-09 | 富士ゼロックス株式会社 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, image forming method, and image forming apparatus |
JP6304185B2 (en) * | 2015-09-15 | 2018-04-04 | 富士ゼロックス株式会社 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, image forming method, and image forming apparatus |
US9989873B1 (en) * | 2017-04-27 | 2018-06-05 | Xerox Corporation | Toner compositions with antiplasticizers comprising purine derivative |
JP2018205335A (en) * | 2017-05-30 | 2018-12-27 | 株式会社沖データ | Toner, developer storage body, image forming unit, and image forming apparatus |
EP3418811B1 (en) | 2017-06-20 | 2021-07-28 | Ricoh Company, Ltd. | Toner, developer, process cartridge, image forming apparatus, image forming method, and method for manufacturing toner |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL85823C (en) | 1953-09-29 | 1957-08-15 | N.V. Philips Gloeilampenfabrieken | METHOD OF DIVISING AN INORGANIC POWDER INTO AN ORGANIC LIQUID, AND MAGNETIC SOUND CARRIER MANUFACTURED UNDER THIS METHOD |
US4071670A (en) * | 1976-08-02 | 1978-01-31 | Xerox Corporation | Method of sizing monomer droplets for suspension polymerization to form small particles |
JPS5814142A (en) | 1981-07-17 | 1983-01-26 | Ricoh Co Ltd | Electrophotographic toner |
US4771086A (en) * | 1982-09-02 | 1988-09-13 | Union Carbide Corporation | Encapsulating finely divided solid particles in stable suspensions |
JPH0723974B2 (en) | 1985-10-29 | 1995-03-15 | 三田工業株式会社 | Electrophotographic metal contactor |
JPH0673028B2 (en) | 1985-10-29 | 1994-09-14 | 三田工業株式会社 | Gold toner for electrophotography |
JPH0673029B2 (en) | 1985-11-29 | 1994-09-14 | 三田工業株式会社 | Electrophotographic metal contactor |
JPH0675212B2 (en) | 1985-11-29 | 1994-09-21 | 三田工業株式会社 | New electrophotographic metallic toner |
JPS63100468A (en) | 1986-10-16 | 1988-05-02 | Mita Ind Co Ltd | Metallic toner composition |
JPH0643565B2 (en) | 1986-11-21 | 1994-06-08 | メルク・ジヤパン株式会社 | Water resistant pearlescent pigment and method for producing the same |
DE3712289A1 (en) | 1987-04-10 | 1988-10-27 | Merck Patent Gmbh | PEARL PIGMENT PREPARATIONS |
JPH01112254A (en) | 1987-10-23 | 1989-04-28 | Mita Ind Co Ltd | Metallic toner composition |
JP2622999B2 (en) * | 1988-01-27 | 1997-06-25 | 日本油脂 株式会社 | Colored metal flake pigment, and paint composition, ink composition, cosmetic composition and plastic molding composition containing this pigment |
US5856378A (en) * | 1988-12-02 | 1999-01-05 | Courtaulds Coatings (Holdings) Limited | Powder coating compositions |
US5166027A (en) * | 1990-07-12 | 1992-11-24 | Minolta Camera Kabushiki Kaisha | Fine particles composing developer for electrophotography |
DE4041663A1 (en) | 1990-12-22 | 1992-06-25 | Merck Patent Gmbh | SILANIZED PIGMENT AND THEIR USE FOR YELLOW-INHIBITING OF PIGMENTED PLASTICS |
JPH05134462A (en) * | 1991-11-13 | 1993-05-28 | Tomoegawa Paper Co Ltd | Electrophotographic developer |
DE4410727A1 (en) | 1994-03-28 | 1995-10-05 | Sued Chemie Ag | Thickener based on at least one synthetic layered silicate |
GB2294037B (en) * | 1994-10-14 | 1998-06-24 | Tioxide Group Services Ltd | Treated titanium dioxide or zinc oxide particles |
US5466482A (en) * | 1994-12-15 | 1995-11-14 | Bayer Corporation | Phosphoric acid monoesters useful for surface treatment of pigments for waterborne coatings |
DE4446456A1 (en) | 1994-12-27 | 1996-07-04 | Merck Patent Gmbh | Pigment preparation and their use |
JP3643144B2 (en) | 1995-08-04 | 2005-04-27 | メルク株式会社 | Novel pearlescent pigment and process for producing the same |
US5653794A (en) * | 1995-12-01 | 1997-08-05 | Scm Chemicals, Inc. | Silane treated inorganic pigments |
JPH10298450A (en) | 1997-02-25 | 1998-11-10 | Dainichiseika Color & Chem Mfg Co Ltd | Pigment composition |
DE19708167A1 (en) | 1997-02-28 | 1998-09-03 | Merck Patent Gmbh | Pigment preparation |
DE19826399A1 (en) * | 1998-06-12 | 1999-12-16 | Basf Ag | Pigment preparation for use in (preferably ink-jet) inks or toners |
DE19820112A1 (en) | 1998-05-06 | 1999-11-11 | Eckart Standard Bronzepulver | Effect pigments coated with reactive orientation aids |
DE19905427A1 (en) * | 1999-02-10 | 2000-08-17 | Merck Patent Gmbh | Colored interference pigment |
DE19929523A1 (en) * | 1999-06-28 | 2001-01-18 | Schott Glas | Coating material and production method for a coating material |
DE19941253A1 (en) * | 1999-08-31 | 2001-03-08 | Basf Ag | Glossy pigments with absorbent, low-refractive coating |
US6586098B1 (en) * | 2000-07-27 | 2003-07-01 | Flex Products, Inc. | Composite reflective flake based pigments comprising reflector layers on bothside of a support layer |
US6765041B1 (en) * | 2000-11-27 | 2004-07-20 | Millenium Inorganic Chemicals, Inc. | Organo-acid phosphate treated pigments |
US6376147B1 (en) * | 2000-11-27 | 2002-04-23 | Xerox Corporation | Method of producing liquid toner with metallic sheen |
DE10124657A1 (en) | 2001-05-18 | 2002-11-21 | Merck Patent Gmbh | Electrophotographic dry toner with angle-dependent gloss pigments |
US20030147830A1 (en) * | 2002-01-30 | 2003-08-07 | The Procter & Gamble Company | Topical skin and/or hair compositions containing protein |
ATE452942T1 (en) | 2003-04-15 | 2010-01-15 | Merck Patent Gmbh | SURFACE MODIFIED EFFECT PIGMENTS |
US20040228980A1 (en) * | 2003-05-12 | 2004-11-18 | Klaus Wissing | Powder coating agents and use thereof in powder coating processes |
US7387795B2 (en) * | 2003-06-05 | 2008-06-17 | Jane Hollenberg | Cosmetic compositions organophosphonic acid coated particulates and methods for producing the same |
US7544457B2 (en) * | 2003-11-06 | 2009-06-09 | Canon Kabushiki Kaisha | Color toner and two-component developer |
US7326507B2 (en) * | 2004-01-30 | 2008-02-05 | Eastman Kodak Company | Preparation of a toner for reproducing a metallic hue and the toner |
US7466326B2 (en) * | 2005-01-21 | 2008-12-16 | Konica Minolta Business Technologies, Inc. | Image forming method and image forming apparatus |
US7819966B2 (en) * | 2005-08-05 | 2010-10-26 | Eckart Gmbh | Surface-coated pearlescent pigments, process for preparing them, and their use |
-
2004
- 2004-11-22 DE DE102004056330A patent/DE102004056330A1/en not_active Ceased
-
2005
- 2005-11-22 JP JP2007541825A patent/JP2008521037A/en active Pending
- 2005-11-22 WO PCT/EP2005/012487 patent/WO2006056402A1/en active IP Right Grant
- 2005-11-22 AU AU2005309022A patent/AU2005309022A1/en not_active Abandoned
- 2005-11-22 AT AT05810706T patent/ATE386963T1/en not_active IP Right Cessation
- 2005-11-22 US US11/719,902 patent/US7955772B2/en not_active Expired - Fee Related
- 2005-11-22 EP EP05810706A patent/EP1721220B1/en not_active Not-in-force
- 2005-11-22 CA CA002588055A patent/CA2588055A1/en not_active Abandoned
- 2005-11-22 DE DE502005002921T patent/DE502005002921D1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006056402A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104254808A (en) * | 2012-05-02 | 2014-12-31 | 伊斯曼柯达公司 | Non-porous dry toner particles for metallic printed effect |
Also Published As
Publication number | Publication date |
---|---|
CA2588055A1 (en) | 2006-06-01 |
JP2008521037A (en) | 2008-06-19 |
ATE386963T1 (en) | 2008-03-15 |
US7955772B2 (en) | 2011-06-07 |
EP1721220B1 (en) | 2008-02-20 |
AU2005309022A1 (en) | 2006-06-01 |
WO2006056402A1 (en) | 2006-06-01 |
DE502005002921D1 (en) | 2008-04-03 |
US20080193868A1 (en) | 2008-08-14 |
DE102004056330A1 (en) | 2006-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1721220B1 (en) | Dry toner, method for the production thereof and use thereof | |
EP1204005B1 (en) | Use of coated pigment granulates in electrophotographic toners and developers, powder paints and ink-jet inks | |
DE602005005017T2 (en) | METALLIC COLORING TONDER AND MANUFACTURE THEREOF | |
DE60118486T2 (en) | Toner, developer and container for the developer and method and apparatus for image forming | |
EP0908789B1 (en) | Use of Pigment Yellow 155 in electrophotographic toners or developers and ink jet inks | |
EP1004941B1 (en) | Use of mixed crystals of pigments on the basis of quinacridones in electrophotographic toners or developers and ink-jet-inks | |
DE60216538T2 (en) | Toner, developer and image recording method | |
EP0075346B1 (en) | Coloured toner powder, a process for its preparation, and a process for the development of images with such powder | |
DE19534384A1 (en) | Coloured dry electrophotographic toner giving clear OHP projected image | |
EP1530745A1 (en) | Use of salts of layered double hydroxides as charge control agents | |
DE3650588T2 (en) | Electrophotographic toner | |
EP1758958A1 (en) | Hydrophobic salts of layered metal hydroxides | |
DE68924571T2 (en) | Fine color particles and toner containing them for developing electrostatic images. | |
DE69023719T2 (en) | Encapsulated toner compositions. | |
DE60122122T2 (en) | ELECTRO-PHOTOGRAPHIC DEVELOPER, PROCESS FOR ITS PREPARATION AND METHOD FOR PRODUCING PICTURES | |
DE2046915B2 (en) | Toner for an electrophotographic developer | |
DE60214323T2 (en) | Charge Control Agents, Methods of Preparation, Charge Control Resin Particles and Toner for the Development of Electrostatic Images | |
JP3108228B2 (en) | Method of producing colored composition for image recording and method of producing dry developer for electrophotography | |
DE69727167T2 (en) | Toner for developing electrostatic images | |
DE60212050T2 (en) | Charge control resin particles and electrostatic image development toner | |
DE3149575A1 (en) | TONER FOR DEVELOPING LATEN ELECTROSTATIC IMAGES | |
EP0813117A1 (en) | Electrophotographic toner and developer comprising an azo magenta pigment | |
DE3636989C2 (en) | ||
DE69122169T2 (en) | Process for the production of toners | |
DE3104040A1 (en) | "TONER COMPOSITION FOR ELECTROPHOTOGRAPHY AND METHOD FOR THE PRODUCTION THEREOF" |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20060927 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK YU |
|
17Q | First examination report despatched |
Effective date: 20061212 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ECKART GMBH |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
DAX | Request for extension of the european patent (deleted) | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REF | Corresponds to: |
Ref document number: 502005002921 Country of ref document: DE Date of ref document: 20080403 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080531 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080620 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
ET | Fr: translation filed | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080520 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080721 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20081121 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080520 |
|
BERE | Be: lapsed |
Owner name: ECKART G.M.B.H. Effective date: 20081130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081122 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081122 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080821 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080220 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091130 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091130 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080521 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20121130 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20130122 Year of fee payment: 8 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20131122 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20140731 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20131202 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20131122 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20141119 Year of fee payment: 10 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502005002921 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160601 |