ПИЩЕВОЙ ТОНЕР

FIELD: food industry. SUBSTANCE: invention relates to food industry. The method for creation of image on an object involves electrostatic transfer of toner onto the object surface and at least melting of the toner on the object surface. The toner essentially consists of food components including a thermoplastic polymer and a colouring agent, mixed in a liquid melt. Additionally, the toner contains an additive for triboelectric charge control. The colouring agent in the toner is dispersed and distributed within the thermoplastic polymer bulk. The thermoplastic element includes at least one substance selected from the group consisting of a copolymer of polyvinyl acetate and polyvinyl pyrrolidone; a mixture of polyvinyl acetate and polyvinyl pyrrolidone; polyacrylic acid cross-linked with allyl cellulose or an allyl ether or pentaerythritol; tragacanth gum; copolymer of poly-α- hydroxy carboxylic acid with polyol; propylene glycol alginate; a fumaric acid ether; sorbitan monostearate; sorbitan tristearate; sorbitan monostearate polyoxyethylene; sorbitan tristearate polyoxyethylene and sorbitan monooleate polyoxyethylene. EFFECT: invention enables production of food toner that may be applied onto thermally sensitive objects (such as chocolate confectionary products) without damage caused to them, sticks to the object surface as a result of melting and does not crumble. 22 cl, 5 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 438 354 (13) C2 (51) МПК A23L 1/27 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ Приоритет(ы): (30) Конвенционный приоритет: 12.05.2006 US 60/800,061 (73) Патентообладатель(и): МАРС ИНКОРПОРЕЙТЕД (US), ТОРРЕЙ ПАЙНЗ РИСЕРЧ (US) (43) Дата публикации заявки: 20.06.2010 Бюл. № 17 2 4 3 8 3 5 4 (45) Опубликовано: 10.01.2012 Бюл. № 1 (56) Список документов, цитированных в отчете о поиске: US 5800601 А, 01.09.1998. US 2003/0113445 A1, 19.06.2003. US 6747072 В1, 08.06.2004. (85) Дата начала рассмотрения заявки PCT ...

Toner

Toner, der ein Tonerteilchen umfasst, das ein Bindemittelharz, einen Farbstoff, einen kristallinen Polyester und ein Trennmittel enthält, wobeiwenn ein Querschnittsbild des Toners unter Verwendung eines Rastertransmissionselektronenmikroskops betrachtet wird,Domänen des kristallinen Polyesters in dem Querschnittsbild des Toners vorhanden sind,die Domänen einen zahlenmittleren Hauptdurchmesser von wenigstens 50 nm und nicht mehr als 300 nm aufweisen,die Anzahl der Domänen wenigstens 8 und nicht mehr als 500 ist, undein Anteil der Domänen, die in einer Fläche von einer Außenlinie des Querschnittsbilds bis zu 25% eines Abstands zwischen der Außenlinie und einem Schwerpunkt des Querschnittsbildes vorhanden sind, an einer Gesamtanzahl der in dem Querschnittsbild des Toners vorhandenen Domänen wenigstens 60 Zahlen-% und nicht mehr als 100 Zahlen-% ist, wobeiDomänen des Trennmittels in dem Querschnittsbild vorhanden sind, undein Anteil einer Gesamtfläche der Domänen des Trennmittels an einer Fläche ...

Verwendung von polar modifizierten Polyolefinwachsen in Fototonern

Die vorliegende Erfindung betrifft die Verwendung von mittels Metallocenkatalysatoren hergestellten polar modifizierten Polyolefinwachsen in Fototonern sowie Fototoner, die derartige polar modifizierte Polyolefinwachse enthalten. The present invention relates to the use of polar modified polyolefin waxes produced by means of metallocene catalysts in photo toners and also photo toners which contain such polar modified polyolefin waxes.

TONER BONDING AGENT FOR ELECTROPHOTOGRAPHY AS WELL AS TONER FOR ELECTROPHOTOGRAPHY

BINDER RESIN FOR TONER AND TONER

COLORED POLYMERIC MICROSPHERE TONERS

TONER COMPOSITIONS

Toner compositions provide a resin substantially free of cross linking; a cross linked resin; a wax; a coagulant; and a colorant; wherein the toner composition provides a fused image gloss of about 1 to about 20 gloss units.

EASILY DISPERSIBLE PIGMENT PREPARATION BASED ON C.I. PIGMENT YELLOW 155

The invention relates to a solid pigment preparation comprising A) 5 to 99 % by weight of PY 155 and B) 1 to 95 % by weight of a co-polymer, comprising the following structural units: (i) 1 to 70 mol-% of structural unit B1; (ii) 1 to 70 mol-% of structural unit B2; (iii) 1 to 70 mol-% of structural unit B3.

EASILY DISPERSIBLE PIGMENT PREPARATION BASED ON C.I. PIGMENT YELLOW 155

The invention relates to a solid pigment preparation comprising A) 5 to 99 % by weight of PY 155 and B) 1 to 95 % by weight of a co-polymer, comprising the following structural units: (i) 1 to 70 mol-% of structural unit B1; (ii) 1 to 70 mol-% of structural unit B2; (iii) 1 to 70 mol-% of structural unit B3.

TONER AND PRODUCTION METHOD THEREOF, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

The object of the invention is to provide a toner enabling excellent transferring properties, cleanability, and fixability, and forming a high-precision image without substantially degraded image quality even after printed on a number of sheets of paper. The invention also provides the toner-production method, an image forming apparatus, an image forming method, and a process cartridge. To this end, the present invention provides a toner which comprises toner-base particles containing a binder resin and a filler, and inorganic fine particles, in which the filler is included in a filler-layer in the vicinity of surfaces of the toner-base particles, the number average particle diameter of the primary particles of the inorganic fine particles is 90nm to 300nm, and the average circularity of the toner is 0.95.

COMPOUND, POLYMER COMPOUND OF THE SAME, COMPOSITION USING THE POLYMER COMPOUND, RECORDING MATERIAL, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS

A compound represented by the following general formula (1): (1)wherein A represents an alkenyl ether group which may be substituted; B represents a linear or branched alkylene group having 1 to 15 carbon atoms which may be substituted; m represents an integer from 0 to 30; when m is larger than 1, B may be different from each other; D represents a single bond or a linear or branched alkylene group having 1 to 10 carbon atoms which may be substituted; E represents any one of an aromatic ring which may be substituted, a condensed ring which may be substituted, and a structure formed by bonding through single bonds at most three aromatic rings which may be substituted; R represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms which may be substituted, or an aromatic ring which may be substituted; n represents a positive number larger than 1; a COOR group in the formula is substituted into the aromatic ring of E; and a hydrogen atom in the aromatic ring, which ...

TONER

To obtain a toner which has excellent charge rise and stability, tends to have a sharp charge distribution, has excellent pigment dispersion properties, exhibits no disarray in an image even during a high-speed copying operation, and can stably output high-resolution images. A toner comprising toner particle containing a binder resin, a colorant, resin PA, and resin PB, wherein the resin PA has unit A represented by Formula (1), the resin PB has unit B represented by Formula (2), a content a of the unit A in the toner particle is 2.00 mol/g or more, and a molar ratio b/a of the content a and a content b of the unit B in the toner particle is 0.10 or more and 10.00 or less.

Magnetic toner

A magnetic toner exhibiting stable performances under various environmental conditions is formed of toner particles each comprising at least a binder resin and iron oxide dispersed therein. Relative to the dry specific gravity (A) of the magnetic toner, the magnetic toner is characterized by a specific gravity distribution of toner particle fractions obtainable through wet sedimentation and including: at most 15 wt. % of a fraction having a specific gravity of above (A) x 1.000 and at most (A) x 1.025, 0.1 - 20 wt. % of a fraction having a specific gravity of above (A) x 0.975 and at most (A) x 1.000, at least 30 wt. % of a fraction having a specific gravity of above (A) x 0.950 and at most (A) x 0.975, 0.1 - 20 wt. % of a fraction having a specific gravity of above (A) x 0.925 and at most (A) x 0.950, and at most 15 wt. % of a fraction having a specific gravity of above (A) x 0.900 and at most (A) x 0.925.

Toner compositions

Toner compositions provide a resin substantially free of cross linking; a cross linked resin; a wax; a coagulant; and a colorant; wherein the toner composition provides a fused image gloss of about 1 to about 20 gloss units.

TONER COMPOSITIONS WITH AMINO-CONTAINING POLYMERS AS SURFACE ADDITIVES

PROBLEM TO BE SOLVED: To provide an improved toner composition, having negatively chargeable toner particles coated with a positively chargeable surface additive. SOLUTION: The toner composition includes core particles that include a polymeric latex and an optional colorant, and amino-containing polymer particles dispersed on the outer surfaces of the core particles. COPYRIGHT: (C)2007,JPO&INPIT ...

TONER FUER EINEN ELEKTROPHOTOGRAPHISCHEN PULVERENTWICKLER

Leicht dispergierbare Pigmentzubereitung auf Basis von C.I. Pigment Yellow 155

Die Erfindung betrifft eine feste Pigmentzubereitung enthaltend A) 5 bis 99 Gew.-% PY 155 und B) 1 bis 95 Gew.-% eines Copolymers, enthaltend die folgenden Struktureinheiten: (i) 1 bis 70 mol-% der Struktureinheit B1 $F1 (ii) 1 bis 70 mol-% der Struktureinheit B2 $F2 (iii) 1 bis 70 mol-% der Struktureinheit B3 $F3 ...

Schwarzer Toner

Process for preparing a particulate solid, a particulate solid and a dispersion

Electrophotographic toner and electrophotographic developer and image forming method

DRY TONER COMPOSITION AND MATERIAL

The toner and the toner production method

COLORED POLYMERIC MICROSPHERE TONERS

TONER FOR ELECTROPHOTOGRAPHY AND BINDER RESIN FOR TONER

적어도 바인더 수지를 포함하는 전자사진용 토너에 있어서, (a) 상기 토너의 테트라하이드로퓨란(THF) 가용분이, 겔 투과 크로마토그래피(GPC)의 크로마토그램에 있어서, 분자량 2,000 이상 5,000 미만의 영역에 제 1 피크를 갖고, 또한, 분자량 100,000 이상 200,000미만의 영역에 제 2 피크를 가지며, (b) 상기 바인더 수지가 적어도 카복실기 함유 바이닐 수지(C)와, 글라이시딜기 함유 바이닐 수지(E)를 포함하고, (c) 상기 바인더 수지의 스타이렌계 단량체와 아크릴계 단량체의 질량비(S/A)가 4.6 이상 8.5 미만인 것을 특징으로 하는 전자사진용 토너를 제공한다. In an electrophotographic toner containing at least a binder resin, (a) the tetrahydrofuran (THF) soluble component of the toner is contained in a region having a molecular weight of 2,000 or more and less than 5,000 in a chromatogram of gel permeation chromatography (GPC). It has 1 peak, and has a 2nd peak in the area | region whose molecular weight is 100,000 or more and less than 200,000, (b) The said binder resin contains at least a carboxyl group containing vinyl resin (C) and glycidyl group containing vinyl resin (E). And (c) a mass ratio (S / A) of the styrene monomer and the acrylic monomer of the binder resin is 4.6 or more and less than 8.5, to provide an electrophotographic toner.

지지체 재료 조성물 및 이를 이용한 적층 제조 방법

... 충분한 기계적 강도를 유지하면서, 개선된 용해 속도를 갖는 경화된 지지체 재료를 제공하는 것을 특징으로 하는 새로운 지지체 재료 조성물이 개시된다. 상기 조성물은 수-혼화성 비-경화성 중합체, 제1수-혼화성 경화성 재료, 및 제2수-혼화성 재료를 포함하며, 상기 제2경화성 재료는 경화 에너지에 제1수-혼화성 재료의 노출 시에 형성되는 중합체 사슬 사이의 분자간 상호작용을 방해할 수 있도록 선택된다. 3-차원 물체의 제조 방법, 및 이에 의해 제조되는 3-차원 물체가 또한 개시된다.

toner and method of production thereof, imaging apparatus and method of imaging and process cartridge

PROCESSO PARA FORMAR UM TONALIZADOR;TONALIZADOR OBTIDO;REVELADOR;E PROCESSO ELETROSTATOGRAFICO DE FORMACAO DE IMAGE

Method of preparing toner and toner prepared using the method

A method of preparing a toner is provided, including: preparing a colorant dispersion by mixing a reactive emulsifying agent and a colorant; preparing a toner composition by mixing a macromonomer having hydrophilic group, hydrophobic group and at least one reactive functional group, at least one polymerizable monomer, a multifunctional polyester, and the colorant dispersion; emulsion polymerizing the toner composition in a medium; and separating and drying the polymerized toner. A toner is prepared using the method, an image forming method using the toner and an image forming apparatus employing the toner are also provided. According to the method, the size, distribution and configuration of toner particles are easily controlled. In addition, the method minimizes a cleaning process, thereby decreasing the amounts of polluted water and waste water, which is very advantageous environmentally.

Developing agent

A developing agent comprising color toners and a cyan toner, the color toners including a yellow toner, a magenta toner, and a black toner, wherein the black toner comprises a binder resin containing a crystalline polyester resin, and the yellow toner, the magenta toner and the cyan toner each comprise a binder resin containing no crystalline polyester resin.

PROCESS FOR PRODUCING POSITIVELY CHARGED POLYMER ENCAPSULATED PARTICLES

A process for producing positively charged polymer encapsulated particles which have a size of less than 5 m and which include a positively charged polymer shell surrounding a core of particle. The process includes the steps of, firstly, dispersing the core particles in an aqueous solution; adding a mixture of monomers either before or after the dispersion step; then, polymerizing the monomers in view of obtaining polymer encapsulated particles, wherein the polymer shell of the particle includes polymers or co-polymers that have a functional group FG. Finally, the process includes the step of dispersing the encapsulated particles with surfactants and charge directors in view of obtaining positively charged encapsulated particle dispersions.

Polymer compound and block polymer compound

A compound represented by the following general formula (1): (1) wherein A represents an alkenyl ether group which may be substituted; B represents a linear or branched alkylene group having 1 to 15 carbon atoms which may be substituted; m represents an integer from 0 to 30; when m is larger than 1, B may be different from each other; D represents a single bond or a linear or branched alkylene group having 1 to 10 carbon atoms which may be substituted; E represents any one of an aromatic ring which may be substituted, a condensed ring which may be substituted, and a structure formed by bonding through single bonds at most three aromatic rings which may be substituted; R represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms which may be substituted, or an aromatic ring which may be substituted; n represents a positive number larger than 1; a COOR group in the formula is substituted into the aromatic ring of E; and a hydrogen atom in the aromatic ring, which ...

Easily Dispersible Solid Pigment Preparations

The present invention relates to solid pigment preparations containing (A) 5 to 99 percent by weight of at least one pigment; (B) 1 to 95 percent by weight of at least one water-soluble dispersing additive based on copolymers that consist of the following structural units: (i) 1.0 to 50 mol percent of structural unit B1; a combined total of 50 to 99.0 mole percent of structural units (B2) and (B3); (iii) 0 to 49 mole percent of structural unit (B4).

PRESSURE SENSITIVE TONER COMPOSITION

ПОДДЕРЖИВАЮЩИЙ МАТЕРИАЛ, СОДЕРЖАЩИЙ ПОЛИВИНИЛОВЫЙ СПИРТ, И ЕГО ПРИМЕНЕНИЕ В КСЕРОГРАФИЧЕСКОМ ПОСЛОЙНОМ НАРАЩИВАНИИ

Изобретение относится к поддерживающим материалам, которые могут быть использованы в послойном наращивании посредством ксерографической печати. Предложена частица поддерживающего тонерного материала для применения в ксерографическом послойном наращивании, содержащая полимер поливинилового спирта (PVA) и смесь добавок, содержащую хитозан и поливинилпирролидон (PVP), где количество смеси добавок выбрано для регулирования Tgполимера PVA в пределах от примерно 1°С до примерно 20°С от Tgтребуемого модельного тонерного материала. Предложена также ксерографическая тонерная система и способ получения поддерживающего тонерного материала. Технический результат – расширение ассортимента поддерживающих материалов, которые могут работать в контексте послойного наращивания посредством ксерографической технологии. 3 н. и 16 з.п. ф-лы, 1 ил., 1 табл., 2 пр.

ПОДДЕРЖИВАЮЩИЙ МАТЕРИАЛ, СОДЕРЖАЩИЙ ПОЛИВИНИЛОВЫЙ СПИРТ, И ЕГО ПРИМЕНЕНИЕ В КСЕРОГРАФИЧЕСКОМ ПОСЛОЙНОМ НАРАЩИВАНИИ

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 129 065 A (51) МПК G03G 9/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017129065, 15.08.2017 (71) Заявитель(и): Зирокс Корпорейшн (US) Приоритет(ы): (30) Конвенционный приоритет: 07.09.2016 US 15/258190 05 R U (57) Формула изобретения 1. Частица поддерживающего тонерного материала для применения в ксерографическом послойном наращивании, содержащая: полимер поливинилового спирта (PVA); и смесь добавок, содержащую: хитозан; и поливинилпирролидон (PVP), где количество смеси добавок выбрано так, чтобы обеспечить Tg полимера PVA в пределах от примерно 1°C до примерно 20°C относительно Tg требуемого модельного тонерного материала. 2. Частица поддерживающего тонерного материала по п. 1, отличающаяся тем, что количество смеси добавок выбрано так, чтобы обеспечить Tg полимера PVA в пределах от примерно 1°C до примерно 10°С относительно Tg требуемого модельного тонерного материала. 3. Частица поддерживающего тонерного материала по п. 1, дополнительно содержащая тонерные поверхностные добавки. 4. Частица поддерживающего тонерного материала по п. 3, отличающаяся тем, что тонерные поверхностные добавки содержат один или более из диоксида кремния, диоксида титана, силиконового масла, агента для регулирования заряда. 5. Ксерографическая тонерная система, содержащая модельный тонерный материал; и поддерживающий тонерный материал; где поддерживающий тонерный материал содержит: полимер поливинилового спирта (PVA); и Стр.: 1 A 2 0 1 7 1 2 9 0 6 5 A (54) ПОДДЕРЖИВАЮЩИЙ МАТЕРИАЛ, СОДЕРЖАЩИЙ ПОЛИВИНИЛОВЫЙ СПИРТ, И ЕГО ПРИМЕНЕНИЕ В КСЕРОГРАФИЧЕСКОМ ПОСЛОЙНОМ НАРАЩИВАНИИ 2 0 1 7 1 2 9 0 6 5 Адрес для переписки: 119019, Москва, Гоголевский б-р, 11, этаж 3, "Гоулинг ВЛГ (Интернэшнл) Инк.", Угрюмов Владислав Михайлович R U (43) Дата публикации заявки: 15.02.2019 Бюл. № (72) Автор(ы): САМБХУ Варун (US), ФАЧЧИ Джон С. (US), РОБЛЕС-ФЛОРЕС Элиуд (US), ДЕРЛЕТ Дэвид С. (US), КРЕЙГ Дэвид С. ...

TONER AND PRODUCTION METHOD THEREOF, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

PROCESS FOR PRODUCING POLYLACTIC ACID-BASED RESIN MICROPARTICLES, POLYLACTIC ACID-BASED RESIN MICROPARTICLES THEMSELVES AND COSMETIC USING THEREOF

Provided are: a method for producing microparticles of a polylactic acid-based resin; porous microparticles of a polylactic acid-based resin, said microparticles having a small particle diameter, showing a high oil absorption ability and being appropriately usable for cosmetics; smooth-surfaced microparticles of a polylactic acid-based resin, said microparticles having a spherical form, showing a narrow particle diameter distribution and being appropriately usable for toners; and a cosmetic using the aforesaid microparticles of a polylactic acid-based resin. The method for producing microparticles of a polylactic acid-based resin comprises: dissolving a polylactic acid-based resin (A) and a polymer (B), which is different from polylactic acid-based resins, in an ether-type organic solvent (C); applying a shear force thereto to form an emulsion; and then contacting the emulsion with a poor solvent of the polylactic acid-based resin (A). According to this production method, porous microparticles ...

BINDER RESIN FOR TONER, TONER AND METHOD FOR PRODUCING THE SAME

Disclosed is a binder resin for a toner containing a vinyl resin (A), a non-crystalline polyester resin (SN) and a saturated crystalline polyester resin (SC), in which the content of the vinyl resin (A) is equal to or more than 65 mass % and equal to or less than 95 mass %, based on the total content of 100 mass % of the vinyl resin (A), the non-crystalline polyester resin (SN) and the saturated crystalline polyester resin (SC), the vinyl resin (A) is composed of a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E) and a reaction product of the vinyl resins, the ester group concentration of the saturated crystalline polyester resin (SC) is equal to or more than 10.0 mmol/g and equal to or less than 13.5 mmol/g, the non-crystalline polyester resin (SN) is dispersed in an island form in the vinyl resin (A) and the saturated crystalline polyester resin (SC) is contained in the island phase of the non-crystalline polyester resin (SN), and the metal component ...

Toner for two-component developer

Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge and image forming apparatus

The present invention discloses an electrostatic image developing toner including a binder resin; and a colorant, and satisfying following conditions (1) and (2): 0.02<=CA/CB<=0.20 (1),1<=Nt/St<=15 (2), wherein CA represents an amount of a carboxyl group and its salt on a surface of the toner, CB represents an amount of a carboxyl group and its salt in the entire toner, Nt represents an amount of a nitrogen element on the surface of the toner, and St represents an amount of a sulfur element on the surface of the toner. The present invention also provides an electrostatic image developer and a toner cartridge including the electrostatic image developing toner, as well as a process cartridge and image forming apparatus including the electrostatic image developer.

THERMOSETTING ELECTROSTATOGRAPHIC DEVELOPER OF A CARRIER AND PREPOLYMER OF DIALLYL PHTHALATE, ISOPHTHALATE AND MIXTURES

TONER

A toner, including a toner particle that contains a binder resin and a release agent, wherein the binder resin contains a polymer A, the polymer A including a first monomer unit derived from a first polymerizable monomer and a second monomer unit derived from a second polymerizable monomer different from the first polymerizable monomer; the first polymerizable monomer is selected from (meth)acrylic acid esters having a C18-36alkyl group; the toner has a first monomer unit content and a second monomer unit content in the polymer A which are within specific ranges, and assuming that an SP value of the first monomer unit is taken as SP11and an SP value of the second monomer unit is taken as SP21, the formula (1) below is satisfied, and the molecular weight of the release agent is at least 1,000. 3.00≤(SP21−SP11)≤25.00 (1) ...

Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge and image forming apparatus

An electrostatic image developing toner including a binder resin; and a colorant, and satisfying following conditions (1) and (2): 0.02CA/CB0.20(1) 1Nt/St15(2) wherein CA represents an amount of a carboxyl group and its salt on a surface of the toner, CB represents an amount of a carboxyl group and its salt in the entire toner, Nt represents an amount of a nitrogen element on the surface of the toner, and St represents an amount of a sulfur element on the surface of the toner.

Developing agent

A developing agent comprising color toners and a cyan toner, the color toners including a yellow toner, a magenta toner, and a black toner, wherein the black toner comprises a binder resin containing a crystalline polyester resin, and the yellow toner, the magenta toner and the cyan toner each comprise a binder resin containing no crystalline polyester resin.

Method for preparing multiple emulsion and porous polymer particles therefrom

A method of manufacturing a double emulsion with narrow dispersed phase particle size distribution comprising: providing an organic phase comprising solid hydrocolloid particles dispersed in an organic solvent; and dispersing the organic phase in an aqueous phase in the presence of a controlled amount of stabilizing agent to form an emulsion of droplets of the organic phase dispersed in the external aqueous phase, wherein the hydrocolloid particles in the organic phase droplets are swelled with water from the external aqueous phase to form internal droplets of an aqueous phase in the organic phase droplets, thereby forming a double emulsion comprising droplets of the organic phase of controlled narrow particle size distribution in the external aqueous phase, where the organic phase droplets contain internal droplets of an aqueous phase. A method for producing porous polymeric particles by such a double emulsion method, wherein the organic phase further comprises a polymer resin, and wherein ...

Toner for electrophotography and binder resin for toner

Disclosed is a toner for electrophotography containing at least a binder resin. This toner for electrophotography is characterized in that (a) the tetrahydrofuran (THF) soluble content in the toner has a first peak in the molecular weight region of not less than 2,000 but less than 5,000 and a second peak in the molecular weight region of not less than 100,000 but less than 200,000 in the chromatogram obtained by gel permeation chromatography (GPC); (b) the binder resin contains at least a carboxyl group-containing vinyl resin (C) and a glycidyl group-containing vinyl resin (E); and (c) the mass ratio of the styrene monomer to the acrylic monomer in the binder resin, namely (S/A), is not less than 4.6 but less than 8.5.

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ITS MANUFACTURING METHOD, DEVELOPER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, AND IMAGE FORMING METHOD

PROBLEM TO BE SOLVED: To make it possible to form a color image of high sharpness and high durability having a wide color reproduction range and to reduce the generation of odors and volatile component during heat fixing and to obtain the bright and high-sharpness image exhibiting excellent light resistance and development/transfer properties. SOLUTION: The electrostatic charge image developing toner in the method for manufacturing the electrostatic charge image developing toner, the developer for electrostatic charge image development, and the image forming method is composed of a binder resin having a copolymer composed of a combination of a high Tg monomer which has the structure expressed by constitutional formula (1) and is ≥50°C in glass transition temperature, a low Tg monomer which has the structure expressed by constitutional formula (2) and is below 50°C in glass transition temperature, and hydrophilic monomer which has the structure expressed by constitutional formula (3) as ...

Patent RU2017129065A3

7 ВУ” 2017129065” АЗ Дата публикации: 30.12.2020 Форма № 18 ИЗПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2017129065/04(050232) 15.08.2017 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 15/258190 07.09.2016 05 Название изобретения (полезной модели): [Х] -как заявлено; [ ]- уточненное (см. Примечания) ПОДДЕРЖИВАЮЩИЙ МАТЕРИАЛ, СОДЕРЖАЩИЙ ПОЛИВИНИЛОВЫЙ СПИРТ, И ЕГО ПРИМЕНЕНИЕ В КСЕРОГРАФИЧЕСКОМ ПОСЛОЙНОМ НАРАЩИВАНИИ Заявитель: Зирокс Корпорейшн, 05 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) 0030 9/087 (2006.01) СОТ. 29/02 (2006.01) СОТ. 29/04 (2006.01) СОТ. 29/06 (2006.01) СОФТ, 39/06 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) 0030 9/087, СО8Г, 29/02, СОВТ, 29/04, СОВТ. 29/06, СОВГ, 39/06 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепее, Соозе, Соозе Раеп$, РаБеагсВ, Уап4ех 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА ...

Elektrofotografischer Toner

TONER COMPOSITIONS WITH AMINO-CONTAINING POLYMERS AS SURFACE ADDITIVES

A toner composition includes core particles including a polymeric latex and an optional colorant, and amino-containing polymer particles dispersed on an external surface of the core particles.

SUPPORT MATERIAL COMPRISING POLYVINYLALCOHOL AND ITS USE IN XEROGRAPHIC ADDITIVE MANUFACTURING

A support material toner particle for use in xerographic additive manufacturing includes a polyvinyl alcohol (PVA) polymer and blend-additives including a chitosan and a polyvinylpyrrolidone (PVP), the amount of blend-additives is selected to adjust the T g of the PVA polymer blend to be within about 1 °C to about 20 °C of a desired build material toner T g. A xerographic toner system includes a build toner material and a support toner material, the support toner material includes a polyvinyl alcohol (PVA) polymer and blend-additives including a chitosan and a polyvinylpyrrolidone (PVP), the amount of blend-additives is selected to adjust the T g of the PVA polymer blend to be within about 1 °C to about 20 °C of the build material toner T g. A method of making a support toner material includes blending polyvinyl alcohol with blend additives including a chitosan and polyvinylpyrrolidone andforming support toner particles after the blending step.

ELECTROSTATIC IMAGE DEVELOPING TONER, TWO-COMPONENT DEVELOPER, IMAGE FORMING METHOD AND PROCESS CARTRIDGE

To provide a toner including: toner particles which comprise: a colorant, a releasing agent, and a binder resin, wherein the number average particle diameter of the toner particles is in the range of from 3.5 µm to 6.5 µm where the number average particle diameter (D1) is determined by the Coulter method, the variation coefficient of the number distribution of the toner particles is in the range of 22.0 to 35.0 where the variation coefficient is found by dividing the standard deviation of the number distribution by the number average particle diameter (D1), and 40% by number to 59% by number of the toner particles are in 4.0 µm to 8.0 µm in diameter.

PROCESS FOR PRODUCING POLYLACTIC ACID-BASED RESIN MICROPARTICLES, POLYLACTIC ACID-BASED RESIN MICROPARTICLES THEMSELVES AND COSMETIC USING THEREOF

Disclosed are a method for producing microparticles of a polylactic acid-based resin, porous microparticles of a polylactic acid-based resin, said microparticles having a small particle diameter, showing a high oil absorption ability and being appropriately usable for cosmetics, smooth-surfaced microparticles of a polylactic acid-based resin, said microparticles having a spherical form, showing a narrow particle diameter distribution and being appropriately usable for toners, and cosmetics using the aforementioned microparticles of a polylactic acid-based resin. The process for producing microparticles of a polylactic acid-based resin comprises: dissolving a polylactic acid-based resin (A) and a polymer (B), which is different from polylactic acid-based resins, in an ether-based organic solvent (C); applying a shear force thereto to form an emulsion; and bringing the emulsion into contact with a poor solvent of the polylactic acid-based resin (A). According to this production process, it ...

Toner and production method thereof, image forming apparatus and image forming method, and process cartridge

Electrophotographic toner

... 전자사진용 토너가 개시된다. 개시된 토너는, 결착 수지와 결착 수지의 표면 및/또는 내부에 첨가된 광흡수제를 포함하며, 광흡수제는 금속 나노로드와 금속 나노로드의 표면을 둘러싸는 계면활성제로 이루어진다.

BINDER RESIN FOR COLOR TONERS AND COLOR TONER USING THE SAME

PREPARATION METHOD OF TONER BY COAGULATING POLYMER LATEX PREPARED FROM POLYMERIZABLE MONOMER AND REACTIVE WAX WITH COLORANT DISPERSION

PURPOSE: A method for preparing a toner, a toner prepared by the method, an image forming method using the toner, and an image formation apparatus are provided to control the dispersion of a colorant and a wax inside a particle size effectively and to lower a manufacturing cost. CONSTITUTION: A method for preparing a toner comprises the steps of polymerizing a toner composition comprising a polymerizable monomer and a reactive wax to prepare a polymer binder resin latex particle; and mixing the latex particle with a colorant dispersion to coagulate it. Preferably the reactive wax is selected from the group consisting of the compound represented by the formula 1, the compound represented by the formula 2 and their mixture, wherein n is an integer of 4-20; and R' is H or a methyl group. © KIPO 2008 ...

Toner for electrophotographic and binder resin for toner

A toner for electrophotographic at least including binder resin is provided. The toner is characterized in that (a) THF-soluble fraction of the toner having a first peak at a region of Mp 2,000 and < 5,000 and a second peak at a region of Mp 100,000 and < 200,000 in GPC; (b) the binder resin at least includes vinyl resin containing carboxyl group (C) and vinyl resin containing glycidyl group (E); (c) a weight ratio (S/A) of styrene monomer (S) to acrylic monomer (A) in the binder resin is 4 .6 and < 8.5.

Magnetic toner

A magnetic toner exhibiting stable performances under various environmental conditions is formed of toner particles each comprising at least a binder resin and iron oxide dispersed therein. Relative to the dry specific gravity (A) of the magnetic toner, the magnetic toner is characterized by a specific gravity distribution of toner particle fractions obtainable through wet sedimentation and including: at most 15 wt. % of a fraction having a specific gravity of above (A)x1.000 and at most (A)x1.025, 0.1-20 wt. % of a fraction having a specific gravity of above (A)x0.975 and at most (A)x1.000, at least 30 wt. % of a fraction having a specific gravity of above (A)x0.950 and at most (A)x0.975, 0.1-20 wt. % of a fraction having a specific gravity of above (A)x0.925 and at most (A)x0.950, and at most 15 wt. % of a fraction having a specific gravity of above (A)x0.900 and at most (A)x0.925.

Toner and Production Method Thereof, Image Forming Apparatus and Image Forming Method, and Process Cartridge

The object of the invention is to provide a toner enabling excellent transferring properties, cleanability, and fixability and forming a high-precision image without substantially degraded image quality even after printed on a number of sheets of paper. The invention also provides the toner-production method, an image forming apparatus, an image forming method, and a process cartridge. To this end, the present invention provides a toner which comprises toner-base particles containing a binder resin and a filler, and inorganic fine particles, in which the filler is included in a filler-layer in the vicinity of surfaces of the toner-base particles, the number average particle diameter of the primary particles of the inorganic fine particles is 90 nm to 300 nm, and the average circularity of the toner is 0.95.

Non-magnetic monocomponent toner having excellent developing property at low temperature condition

The present invention relates to a non-magnetic mono-component toner composition and a preparation method thereof. Disclosed is a non-magnetic mono-component toner composition prepared by coating a spherical organic fine particle having a weight-average molecular weight (M_w) of 250,000-1,600,000 and an average particle size of 50-500 nm, a hydrophobic silica, and a metal oxide fine particle on a toner mother particle. The non-magnetic mono-component toner composition of the present invention ensures smooth toner supply because of good fluidity, reduces PCR contamination and deterioration of image quality, enables uniform toner layer formation on the development roller, prevents blocking at the blade of the development roller, and solves the low temperature double image problemin the non-imaging region at a low temperature. Therefore, it can be useful for an image printing apparatus adopting the non-magnetic mono-component development system in which the developing roller contacts ...

Polymerizable compound, polymer compound and block polymer compound, and composition, image-forming method and image-forming apparatus using the same

ПИЩЕВОЙ ТОНЕР

1. Тонер, включающий термопластичный полимер и краситель, причем тонер по существу состоит из пищевых компонентов, а термопластичный полимер содержит по меньшей мере один полимер из группы, состоящей из: ! сополимера поливинилацетата и поливинилпирролидона, ! смеси поливинилацетата и поливинилпирролидона, ! полиакриловой кислоты, сшитой аллил сахарозой или аллиловым эфиром или пентаэритритолом, ! поли(1-винил-2-пирролидона), ! поли(N-винил-2-пирролидона), ! камеди трагаканта, ! сополимера поли-α-гидрокси карбоновой кислоты с полиолом, ! альгината пропиленгликоля, ! эфира фумаровой кислоты, ! сорбитанмоностеарата, ! сорбитантристеарата, ! полиоксиэтилена сорбитанмоностеарата, ! полиоксиэтилена сорбитантристеарата и ! полиоксиэтилена сорбитанмоноолеата. ! 2. Композиция материалов, содержащая пищевой продукт, по меньшей мере, часть которого покрыта тонером по п.1. ! 3. Композиция по п.2, в которой пищевой продукт представляет собой конфету, покрытую сахарной глазурью. ! 4. Композиция по п.2, в которой тонер на пищевом продукте является многоцветным. ! 5. Тонер по п.1, имеющий отношение трибоэлектрического заряда к весу (Q/M) в пределах 5≤Q/M≤35 микрокулон на грамм (μк/г), заряженный трением подходящей поверхности. ! 6. Тонер по п.1, в котором термопластичный полимер имеет температуру стеклования Tg в пределах 50°C≤Tg≤100°C. ! 7. Тонер по п.6, в котором термопластичный полимер имеет температуру стеклования Tg, равную или менее чем 65°C. ! 8. Тонер по п.1, полученный из частиц, в котором по меньшей мере 95% частиц имеют диаметр менее чем около 30 мкм. ! 9. Тонер по п.1, в котором термопластичный полимер составляет в пределах от 50 до 98% тонера по весу РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2008 148 944 (13) A (51) МПК A22C 17/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21), (22) Заявка: 2008148944/13, 10.05.2007 (71) Заявитель(и): МАРС ИНКОРПОРЕЙТЕД (US), ТОРРЕЙ ПАЙНЗ РИСЕРЧ (US) (30) Конвенционный ...

Electrostatic image developing toner

Toner and production method thereof, image forming apparatus and image forming method, and process cartridge

BINDER RESIN FOR TONER , TONER AND METHOD FOR PRODUCING THE SAME

A toner binder resin contains a vinyl resin (A), an amorphous polyester resin (SN), and a crystalline saturated polyester resin (SC). The content of the vinyl resin (A) is 65 mass % to 95 mass % with respect to the total value of 100 mass % of the content of the vinyl resin (A), the amorphous polyester resin (SN) and the crystalline saturated polyester resin (SC). The vinyl resin (A) is composed of a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), and reactants thereof. The concentration of the ester group of the crystalline saturated polyester resin (SC) is between 10.0 mmol/g and 13.5 mmol/g. The amorphous polyester resin (SN) disperses like islands in the vinyl resin (A), and the crystalline saturated polyester resin (SC) is contained within the island phases of the amorphous polyester resin (SN). At least one type of metal component (M) (excluding metal oxides) selected from a group comprising Zn, Ca, Mg, Al or Ba is contained in at least the ...

BINDER RESIN FOR TONER, TONER AND METHOD FOR PRODUCING SAME

Disclosed is a binder resin for a toner containing at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), a reaction product of the vinyl resins and a saturated crystalline polyester (S), wherein the saturated crystalline polyester (S) has a predetermined melting point and a predetermined metal component (M), and the binder resin for a toner has a predetermined loss modulus (G") and a predetermined storage modulus (G').

Binder resin for toner, toner and method for producing same

Disclosed is a binder resin for a toner, which contains at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), a reaction product of the vinyl resins, and a crystalline saturated polyester (S). The crystalline saturated polyester (S) has a specific melting point and contains a specific metal component (M). The binder resin for a toner has a specific loss modulus (G'') and a specific storage modulus (G').

Binder resin for toner and toner

TONER FOR ELECTRO-PHOTOGRAPHIC WHICH HAS A LARGE MOUNTING REGION, AND A METHOD FOR PREPARING THE SAME

PURPOSE: A toner for electro-photographic and a method for preparing the same are provided to enhance the mobility and durability thereof. CONSTITUTION: A toner stirring member(110) is installed to allow the rotation inside a toner tank(101), and includes a rotation shaft(112) and a toner stirring film(120). The rotating shaft is installed to allow the rotation thereof at the center of the toner tank, and the toner stirring film is cut off at a certain depth from the end of the toner stirring film so that a first stirring unit(121) and a second stirring unit(122) may be formed. COPYRIGHT KIPO 2010 ...

TONER FOR ELECTROPHOTOGRAPHY AND BINDER RESIN FOR TONER

Disclosed is a toner for electrophotography containing at least a binder resin. This toner for electrophotography is characterized in that (a) the tetrahydrofuran (THF)-soluble content in the toner has a first peak in the molecular weight region of not less than 2,000 but less than 5,000 and a second peak in the molecular weight region of not less than 100,000 but less than 200,000 in the chromatogram obtained by gel permeation chromatography (GPC); (b) the binder resin contains at least a carboxyl group-containing vinyl resin (C) and a glycidyl group-containing vinyl resin (E); and (c) the mass ratio of the styrene monomer to the acrylic monomer in the binder resin, namely (S/A), is not less than 4.6 but less than 8.5.

BINDER RESIN FOR COLOR TONERS AND COLOR TONERS MADE BY USING THE SAME

A binder resin for color toners which comprises a carboxyl -containing vinyl resin (C), a glycidy-containing vinyl resin (E) and a reaction product of both as the essential components and exhibits a storage modulus G' of 20 to less than 800Pa at 160°C at a frequency of measurement of 6.28 radians/s and which contains tetrahydrofuran(THF)-soluble matter exhibiting the main peak within a molecular weight region of 20,000 to less than 40,000 in the molecular weight distribution determined by gel permeation chromatography (GPC) and contains at least one mold-releasing agent having a melting point of 60 to 120°C in an amount of 3.5 to 12% by mass based on the total amount of the resins (C) and (E) and the reaction product (with the total amount taken as 100% by mass).

Toner

A toner that is suppressed from deteriorating owing to its long-term use and can maintain high transferability. The toner includes: a toner particle containing an amorphous polyester serving as a binder resin and a polymer A; and inorganic fine particles, wherein the polymer A includes a graft copolymer of a polyolefin and a vinyl-based polymer unit having a carboxylate anion group, and a metal ion having a valence of 2 or more.

Method of preparing toner and toner prepared using the method

A method of preparing a toner includes: preparing a toner composition including a macromonomer having a hydrophilic group, a hydrophobic group and at least one reactive functional group, at least one polymerizable monomer, and a colorant; emulsion-polymerizing the toner composition in a medium; and separating and drying the polymerized toner. A toner is prepared using the method. An image forming method using the toner, and an image forming apparatus using the toner are also provided. According to the method, the size, distribution and configuration of toner particles are easily controlled. In addition, the method does not involve the use of or minimizes the use of a surfactant, and decreases polluted water and waste water, which is very advantageous environmentally.

Dry toner comprising entrained wax

Dry electrographic toner compositions are provided comprising a plurality of dry toner particles, wherein the toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions. The dry electrographic toner composition comprises a wax associated with the dry toner particles that has been entrained in the toner particle during the formation of the amphipathic copolymer. Methods of making the electrographic toner compositions are also provided. These toner compositions provide images having excellent durability and erasure resistance properties at low fusion temperatures and with little undesired offset.

Toner wash comprising ionic liquid

A washing process using one or more ionic liquids (ILs) as a washing aid agent for toners, including toners produced using such ILs, such as, low melt toners, is provided. ILs are environmentally sound, green solvents that act to swell toner particle surfaces so that surface absorbed and adsorbed pollutants, such as, surfactants and other manufacturing reactants, can be effectively removed. The resulting toners have good charging, charge maintenance and RH sensitivity.

FOOD-GRADE TONER

A toner consists essentially of food-grade components. Because the toner consists essentially of food-grade components, it can be used to provide a coating or create an image on food products, including those intended for human or animal consumption.

Black toner

To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder resin, carbon black and a releasing agent, wherein: the toner particles have a weight-average particle diameter of 3.5 to 8.0 µm; total amount of acid value and hydroxyl value of the toner is 30 to 75 mgKOH/g; average circularity of particles contained in the toner having circle-equivalent diameter of 2 µm or more is 0.915 to 0.960; loss tangent tanδ (103 to 104 Hz) of the toner is represented by the following expression: where the loss tangent tanδ is represented by ε"/ε' where ε" denotes dielectric loss factor and ε' denotes dielectric constant, and tanδ (103 to 104 Hz) denotes the loss tangent in a frequency range of 103 to 104 Hz; and a ratio of tanδ (105 Hz) to tanδ (5 x 104 Hz) is represented by the following expression: where tanδ (105 Hz) denotes loss tangent at the frequency of 105 Hz and ...

Image forming method

An electrophotographic image forming method is disclosed. In the method electrostatic latent image is developed by a non-magnetic single-component developing system, in which a non-magnetic single-component developer is conveyed by a developer carrying member, the developer carrying member is contacted with a developer layer regulation member for regulating an amount of the developer at the surface of the developer carrying member, and a binder resin of the developer comprises a vinyl polymer having an acid value of from about 5 to about 30 and a ratio of hydroxyl group value/acid value is from about 0.3 to about 0.8.

TONER POWDER AND FORMATION OF FIXED IMAGE THEREWITH

TONER

PROBLEM TO BE SOLVED: To provide a toner which is excellent in charge rise and stability, easily provide a narrow charge distribution, has superior pigment dispersion property, causes no disorder of an image even during high-speed copying operation and can stably output high-definition image. SOLUTION: The toner includes toner particles containing a binder resin, a colorant, a resin PA and a resin PB, wherein the resin PA has a unit A represented by formula (1), the resin PB has a unit B represented by formula (2), a content "a" of the unit A in the toner particles is 2.00 μmol/g or more and a molar ratio b/a of a content "b" of the unit B to the content "a" of the unit A is 0.10 or more and 10.00 or less. COPYRIGHT: (C)2011,JPO&INPIT ...

Композиция тонера для многоцветной электрографии с зарядом отрицательной полярности

Изобретение относитс  к электрографии и позвол ет повысить качество тонера за счет улучшени  его колористических свойств при одновременной стабилизации трибоэлектрических свойств. Смешивают до получени  однородной смеси следующие компоненты, мас.%: эпоксидна  смола 75-90; поливинил бут ир ал ь 5-20; органический пигмент 1-5; пластификатор - диэтиловый или дибутиловый эфир фталевой кислоты 1-5. Затем массу пропускают через экструдер при 110-130&amp;deg;С. Расплав тонера охлаждают, измельчают и классифицируют по размерам частиц. Полученные тонеры используют в аппаратуре цветной печати с про влением магнитной кистью. 2 табл. W со 4 Oi О со The invention relates to electrography and improves the quality of toner by improving its color properties while stabilizing the triboelectric properties. The following components are mixed to obtain a homogeneous mixture, in wt%: epoxy resin 75-90; polyvinyl but ir al 5-20; organic pigment 1-5; plasticizer - diethyl or dibutyl phthalic acid ester 1-5. The mass is then passed through an extruder at 110-130 ° C. The melt toner is cooled, crushed and classified by particle size. The toners obtained are used in color printing equipment with the appearance of a magnetic brush. 2 tab. W with 4 Oi About with

Positiv aufladbarer Toner, Bildherstellungsverfahren

Electrostatic image developing toner

THERMOSETTING ELECTROSTATOGRAPHIC TONER POWDERS

... 1344197 Toner composition XEROX CORP 19 April 1971 [4 Feb 1970] 21057/71 Heading G2H [Also in Division C3] An electrostatographic toner powder comprises a finely divided coloured resin, a substantial part of which is a solid free-flowing uncross-linked thermosetting polymer of diallyl phthalate or diallyl isophtalate or a mixture of such polymers. The thermosetting polymerpreferably forms at least 80% by wt. of the total resin. The thermosetting resins have preferred softening ranges which are 55-95‹ C for poly (diallyl isophthalate) and 80-150‹C for poly diallyl phthalate). The resin may include 1-20 wt. per cent of a thermoplastic resin modifier such as PVC polyethylene or polyvinyl butyral. The colouring may be imparted by 1-20 parts by wt. of a pigment and/or dye per 100 parts by wt. of resin and free radical cross-linking agent for the thermosetting resin may also be present . In the examples the particles are prepared by spray drying solution of diallyl (iso) phthalate prepolymers ...

METHOD OF FORMING A TONER

Electrophotographic toner and electrophotographic developer and image forming method

THERMOSETTING ELECTROSTATOGRAPHIC DEVELOPERS

TONER COMPOSITIONS

Toner compositions provide a resin substantially free of cross linking; a cross linked resin; a wax; a coagulant; and a colorant; wherein the toner composition provides a fused image gloss of about 1 to about 20 gloss units.

FOOD-GRADE TONER

A toner consists essentially of food-grade components. Because the toner consists essentially of food-grade components, it can be used to provide a coating or create an image on food products, including those intended for human or animal consumption.

EASILY DISPERSIBLE SOLID PIGMENT PREPARATIONS

The invention relates to solid pigment preparations containing: (A) 5 to 99 percent by weight of at least one pigment; (B) 1 to 95 percent by weight of at least one water-soluble dispersing additive based on copolymers that consist of the following structural units: (i) 1.0 to 50 mole percent of structural unit (B1); a combined total of 50 to 99.0 mole percent of structural units (B2) and (B3); (iii) 0 to 49 mole percent of structural unit (B4).

BINDER RESIN FOR TONER, TONER AND METHOD FOR PRODUCING SAME

Disclosed is a binder resin for a toner containing at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), a reaction product of the vinyl resins and a saturated crystalline polyester (S), wherein the saturated crystalline polyester (S) has a predetermined melting point and a predetermined metal component (M), and the binder resin for a toner has a predetermined loss modulus (G") and a predetermined storage modulus (G').

THERMOSETTING ELECTROSTATOGRAPHIC DEVELOPER OF A CARRIER AND PREPOLYMER OF DIALLYL PHTHALATE, ISOPHTHALATE AND MIXTURES

Toner and Method of Preparing the Same

Binder resin for toner, toner and method for producing same

Disclosed is a binder resin for a toner containing at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), a reaction product of the vinyl resins and a saturated crystalline polyester (S), wherein the saturated crystalline polyester (S) has a predetermined melting point and a predetermined metal component (M), and the binder resin for a toner has a predetermined loss modulus (G″) and a predetermined storage modulus (G′).

Toner

Provided is a toner manufactured in an aqueous solvent, whereby a satisfactory image density can be obtained and the toner laid-on level on a recording medium can be reduced with a normal added concentration of pigment without adding a large quantity of pigment to the toner. The toner is manufactured in an aqueous medium by the suspension polymerization or dissolution suspension method and contains a binder resin, a pigment and an azo compound. The azo compound is a specific azo compound, and the absolute value of the difference in zeta potential between the binder resin and the azo compound is 25 mV or less.

Toner

Provided is a toner having high charging rapidity to reach a sufficient charging amount in a short time, high stability of charging from the initial stage to a time when a large amount of sheets is printed out, and high stability of charging under a high temperature and high humidity. In a toner including toner particles, each of which contains at least a binder resin, a colorant, and a charge controlling resin, the charge controlling resin is a copolymer of a structure A having at least a specific salicylic acid derivative structure and a structure B having sulfonic acid or sulfonic acid ester as a substituent.

Support material formulation and additive manufacturing processes employing same

Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.

TONER AND METHOD OF PRODUCING TONER

A toner includes a toner particle containing a resin component containing an olefin copolymer, wherein the olefin copolymer includes a specific monomer unit Y1 and a specific monomer unit Y2, and the content of the olefin copolymer in the resin component is more than 50 mass % based on the total mass of the resin component, and the olefin copolymer has a melting point of 80° C. or more and 150° C. or less. 2. The toner according to claim 1 , wherein:the content of the monomer unit Y2 is 2.0 mass % or more and 20.0 mass % or less based on the total mass of the olefin copolymer.3. The toner according to claim 1 , wherein:the mass ratio (l+m)/W of the monomer units to the olefin copolymer in the resin component is 0.80 or more, where W denotes the total mass of the olefin copolymer, 1 denotes the mass of the monomer unit Y1 represented by Formula (1), and m denotes the mass of the monomer unit Y2 represented by Formula (2).4. The toner according to claim 1 , wherein:the olefin copolymer has a softening point of 100° C. or more and 150° C. or less.5. The toner according to claim 1 , wherein:the resin component further contains an acid group-containing olefin copolymer having an acid value of 50 mg KOH/g or more and 300 mg KOH/g or less.6. The toner according to claim 1 , wherein:the toner particle contains an aliphatic hydrocarbon, aliphatic alcohol, or aliphatic carboxylic acid having a melting point of 50° C. or more and 100° C. or less.7. The toner according to claim 1 , wherein:the toner particle contains silicone oil.9. The method of producing a toner according to claim 8 , wherein:the resin component contains an acid group-containing olefin copolymer having an acid value of 50 mg KOH/g or more and 300 mg KOH/g or less.10. The method of producing a toner according to claim 8 , the method further comprising:after preparing a resin fine particle dispersion,aggregating the resin fine particles to form aggregated particle; andheating the aggregated particles for fusion ...

LIQUID DEVELOPER

A liquid developer containing toner particles and a carrier liquid, the toner particles containing a resin component, wherein the resin component includes a resin A and a resin B, the resin A has a unit Y1 represented by the formula (1) and a unit Y2 represented by the formula (2), the resin B has a unit Y3 represented by the formula (3) and a unit Y4 selected from the units represented by the formulae (4) to (8), the resin A has a unit Y2 content of 1% to 20% by mass, the resin B has a unit Y3 content of 5% to 90% by mass, the resin component has a resin A content of 50% to 99% by mass, and the resin component has a resin B content of 1% to 50% by mass. 2. The liquid developer according to claim 1 , wherein the carrier liquid is an aliphatic hydrocarbon.3. The liquid developer according to claim 1 , wherein the resin A has a unit Y2 content of 5% to 16% by mass.4. The liquid developer according to claim 1 , wherein the resin B has a unit Y3 content of 5% to 50% by mass.5. The liquid developer according to claim 1 , whereinthe resin component has a resin A content of 50% to 95% by mass, andthe resin component has a resin B content of 5% to 50% by mass.6. The liquid developer according to claim 1 , whereinthe resin component has a resin A content of 50% to 85% by mass, andthe resin component has a resin B content of 15% to 50% by mass.7. The liquid developer according to claim 1 , wherein the resin component has a unit Y2 content W2 and a unit Y3 content W3 that satisfy 0.10≤W2/W3≤4.0.8. The liquid developer according to claim 1 , wherein a total amount of unit or units represented by formula (6) and unit or units represented by formula (7) in the unit Y4 ranges from 50% to 100% by mass.9. The liquid developer according to claim 1 , wherein Rin formulae (4) to (8) denotes an alkyl group having 6 to 22 carbon atoms or an alkenyl group having 6 to 22 carbon atoms. The present disclosure relates to a liquid developer for use in an image-forming apparatus that utilizes ...

TONER AND METHOD FOR PRODUCING TONER

A toner comprising a toner particle including a resin component, wherein the resin component includes an olefin resin and an olefin copolymer including a hydroxyl group, the olefin resin has a specific monomer unit Y1, the olefin copolymer including a hydroxyl group has a specific monomer unit Z1 and Z2, a hydroxyl value of the olefin resin is not more than 10 mg KOH/g, a hydroxyl value of the olefin copolymer including a hydroxyl group is at least 20 mg KOH/g and not more than 250 mg KOH/g, and a content of the olefin resin in the resin component is more than 50 mass % with respect to a total mass of the resin component. 3. The toner according to claim 2 , wherein where the total mass of the olefin resin is denoted by W claim 2 , and masses of the monomer unit represented by formula (1) claim 2 , the monomer unit represented by formula (4) and the monomer unit represented by formula (5) are denoted by l claim 2 , m claim 2 , and n respectively claim 2 , a value of (l+m+n)/W of the olefin resin is at least 0.80.4. The toner according to claim 2 , wherein the content of the monomer unit Y2 is at least 5 mass % and not more than 20 mass % with respect to the total mass of the olefin resin.5. The toner according to claim 1 , wherein a melting point of the olefin copolymer including a hydroxyl group is at least 90° C. and not more than 150° C.6. The toner according to claim 1 , wherein a softening point (Tm) of the olefin copolymer including a hydroxyl group is at least 100° C. and not more than 150° C.7. The toner according to claim 1 , wherein the resin component comprises an olefin copolymer including an acid group which has an acid value of at least 50 mg KOH/g and not more than 300 mg KOH/g.8. The toner according to claim 1 , wherein the content of the olefin copolymer including a hydroxyl group is at least 10 mass % and less than 50 mass % with respect to the total mass of the resin component.9. The toner according to claim 1 , wherein a softening point (Tm) of ...

OVERCOATED PRINTED SUBSTRATE

Described herein is a method of providing an overcoated printed substrate. The method may comprise: providing a printed substrate comprising a primer layer disposed on a print substrate and a liquid electrostatically printed layer disposed on the primer layer; and applying a UV curable overcoat composition to the printed layer of the printed substrate, wherein the UV curable overcoat composition comprises a UV curable resin and inorganic nanoparticles dispersed therein. 2. A method according to claim 1 , wherein the inorganic nanoparticles are selected from metal oxide nanoparticles or silica nanoparticles.3. A method according to claim 2 , wherein the inorganic nanoparticles are selected from aluminium oxide claim 2 , zinc oxide claim 2 , zirconium oxide claim 2 , cerium oxide claim 2 , magnesium oxide claim 2 , calcium oxide and titanium oxide nanoparticles.4. A method according to claim 1 , wherein the inorganic nanoparticles have a D50 particle size in the range of 5 to 200 nm.5. A method according to claim 1 , wherein the UV curable resin comprises vinyl-terminated molecules.6. A method according to claim 5 , wherein the UV curable overcoat composition comprises a radical photo initiator.7. A method according to claim 5 , wherein the UV curable resin comprises acrylate molecules.8. A method according to claim 1 , wherein the UV curable overcoat composition comprises 0.1 wt. % to 10 wt. % of inorganic nanoparticles by total weight of the UV curable overcoat composition.9. A method according to comprising curing the UV curable overcoat composition during or after application to the printed substrate.10. A method according to claim 1 , wherein the print substrate is a label substrate.11. A method according to claim 1 , wherein the UV curable overcoat composition is transparent and colourless.13. An overcoated printed substrate according to claim 12 , wherein the print substrate is a label substrate.14. An overcoated printed substrate according to claim 13 , ...

Image forming method

Provided is an image forming method using an electrostatic image developing toner containing: toner mother particles including a binder resin; and an external additive, wherein the binder resin contains a vinyl resin in an amount of 40 mass % or more with respect to the total amount of the binder resin, the image forming method including a step of: forming an image so that an image surface resistance value at 70° C. by a temperature change method of the formed image is set to be 5×10 13 Ω or less.

Toner

A toner including a toner particle that includes a binder resin and a crystalline polyester; and inorganic fine particles on the toner particle surface, wherein a content of the crystalline polyester is 0.5 to 20.0 mass parts per 100 mass parts of the binder resin; in the toner cross section, domains of the crystalline polyester are present in a dispersed state, the percentage for areas of these crystalline polyester domains in the region to a depth of 0.50 μm from a contour of the toner particle is at least 10%, the number average of lengths of a major axis is 120 nm to 1000 nm, and the number average of aspect ratios is not more than 4; a dielectric constant of the inorganic fine particles is 25 to 300 pF/m; and a coverage ratio by the inorganic fine particles on the toner particle surface is 5% to 60%.

Two-component developer

Provided is a two-component developer has a toner including a toner particle including a binder resin, and a magnetic carrier, wherein the binder resin includes a polymer A having a first monomer unit derived from a first polymerizable monomer, and a second monomer unit derived from a second polymerizable monomer different from the first polymerizable monomer, the first polymerizable monomer is a specific (meth)acrylic acid ester, a content and an SP value of the first and second monomer units in the polymer A fall within respective specific ranges, the magnetic carrier has a magnetic core and a coating resin of the surface of the magnetic core, the coating resin includes a polymer B having monomer units (a) and (b), each SP value of the monomer units (a) and (b) is a specific value.

Toner binder for electrophotography and toner for electrophotography

The present invention is aimed at providing a toner binder for electrophotography that is excellent in the fixing property, offset resistance, blocking property, grindability, durable developing property and the like to correspond to the high-speed movement of a copier. The purpose of the present invention could be achieved by a toner binder having the following features for electrophotography. That is, when the viscoelasticity of the toner binder is measured in the temperature range of 50 to 200 ° C. and at a heating rate of 2° C./min., the viscoelasticity curve in the temperature range of 100 to 200° C. showing the relationship between the storage modulus and temperature, in which curve the axis of ordinate is the logarithm (Pa) of storage modulus G′ and the axis of abscissa is temperature (° C.), has a concave in the temperature range of 140 to 180° C. and has a minimum value of storage modulus G′ at the bottom of the range, and this G′ 0 and storage modulus G′ 200 at 200° C. are G′ 0<G′ 200 and the difference ΔG′ (G′ 200−G′ 0=ΔG′) is 300 Pa or more.

Toner and manufacturing method thereof, developer, toner-containing container, process cartridge, image forming method, and image forming apparatus

토너용 바인더 수지 및 토너

본 발명은, 복사기의 고속화에 대응하여 저온 정착성이 뛰어나고, 또한 내오프셋성, 내블로킹성, 분쇄성, 현상내구성도 뛰어난 토너용 바인더 수지를 제공하는 것을 목적으로 하여 검토되었다. 그 결과, 분자량, 작용기 함유율 등이 다른 적어도 3종류의 비닐계 중합체와, 바람직하게는 비닐 중합체 구조를 가지는 가교제로부터 얻어지고, 특정한 겔분을 함유하는 수지를 토너용 바인더 수지에 사용함으로써, 상기의 목적이 달성되는 것을 발견할 수 있었다. 상기의 수지는, 저온에서의 용융성이 특히 뛰어나며, 고속 복사기용의 토너용 재료 및 토너로서 적합한 성능을 가지고 있다.

电子照相用调色剂及调色剂用粘合剂树脂

本发明提供一种电子照相用调色剂，至少含有粘合剂树脂，其特征在于，(a)该调色剂的四氢呋喃(THF)可溶成分在凝胶渗透色谱(GPC)的色谱图中，在分子量为2,000以上且小于5,000的区域中具有第一峰，而且，在分子量为100,000以上且小于200,000的区域中具有第二峰；(b)上述粘合剂树脂至少包含含羧基的乙烯基树脂(C)和含缩水甘油基的乙烯基树脂(E)；(c)上述粘合剂树脂的苯乙烯系单体和丙烯酸系单体的质量比(S/A)为4.6以上且小于8.5。

Binder resin for color toner and color toner using the same

Toner

본 발명에서는, 각각 대전 성분, 측쇄로서 하기 화학식 1로 표시되는 부분 구조를 갖는 중합체, 및 착색제를 포함하는 토너 입자를 포함하는 토너가 제공된다. <화학식 1> (상기 식에서, R 1 은 히드록실 기, 카르복실 기, 1 내지 18개의 탄소 원자를 갖는 알킬 기, 또는 1 내지 18개의 탄소 원자를 갖는 알콕실 기를 나타내고; R 2 는 수소 원자, 히드록실 기, 1 내지 18개의 탄소 원자를 갖는 알킬 기, 또는 1 내지 18개의 탄소 원자를 갖는 알콕실 기를 나타내고; m은 0 내지 3의 정수를 나타내고; m이 2 또는 3인 경우, R 1 은 각각 독립적으로 선택될 수 있고; n은 1 내지 3의 정수를 나타내고; *는 중합체에서의 연결 위치를 나타낸다.) In the present invention, there is provided a toner comprising toner particles each comprising a charging component, a polymer having a partial structure represented by the following formula (1) as a side chain, and a colorant. &Lt; Formula 1 > Wherein R 1 represents a hydroxyl group, a carboxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms, R 2 is a hydrogen atom, a hydroxyl group, An alkyl group having 1 to 18 carbon atoms or an alkoxyl group having 1 to 18 carbon atoms; m represents an integer of 0 to 3; when m is 2 or 3, R 1 is each independently selected N represents an integer of 1 to 3; and * represents a connecting position in the polymer.

toner

Dry toner compositions comprising amphipathic copolymeric binder and volatile plasticizer and method of making and using the same

복수의 건식 토너 입자로서, 상기 토너 입자는 하나 이상의 S 재료부분과 하나 이상의 D 재료부분을 포함하는 하나 이상의 양친매성 공중합체를 포함하는 고분자 바인더를 포함하는 복수의 건식 토너 입자를 포함하는 저온 정착 건식 전자기록용 토너 조성물로서, 상기 건식 전자기록용 토너 조성물은 휘발성 가소제를 포함하지 않는 유사한 전자기록용 토너 조성물과 비교하여 1회 가열 노출시의 T g 를 적어도 약 10℃ 감소시키는데 유효한 양의 휘발성 가소제를 포함하며, 상기 가소제는 충분히 휘발성이어서 2회 가열 노출시의 T g 는 상기 1회 가열 노출시의 T g 보다 적어도 약 5℃ 이상 상승하는 것을 특징으로 하는 저온 정착 건식 전자기록용 토너 조성물이 제공된다. 이 조성물의 제조방법 및 이용방법이 또한 제공된다. A plurality of dry toner particles, wherein the toner particles comprise a plurality of dry toner particles comprising a polymer binder comprising at least one amphiphilic copolymer comprising at least one S material portion and at least one D material portion. An electronic recording toner composition, wherein the dry electronic recording toner composition is an amount of a volatile plasticizer effective to reduce T g at least about 10 ° C. on a single heat exposure as compared to a similar electronic recording toner composition that does not include a volatile plasticizer. Wherein the plasticizer is sufficiently volatile to give a T g of two heat exposures. Is the T g at the time of the first heating exposure A low temperature fixation dry electronic recording toner composition is provided which rises at least about 5 ° C. or more. Methods of making and using the compositions are also provided. 전자기록법, 휘발성 가소제, 건식 토너 조성물, 고분자 바인더 Electronic recording method, volatile plasticizer, dry toner composition, polymer binder

Method for preparing toner and toner prepared by using the method

Provided is a method for preparing a toner, which allows easy control of the size and shape of the resultant toner particles, minimizes a washing step, reduces generation of waste water, and thus is eco-friendly. The method for preparing a toner comprises the steps of: forming a colorant dispersion by mixing a reactive emulsifier with a colorant; mixing the colorant dispersion with a macromonomer having a hydrophilic group, hydrophobic group and at least one reactive functional group, at least one polymerizable monomer and a chain transfer agent so as to form a toner composition; performing emulsion polymerization of the toner composition; and separating and drying the polymerized toner, wherein the shape of the resultant toner is controlled by controlling the amount of the macromonomer and the chain transfer agent.

Toner

一种调色剂，其包括调色剂颗粒，各调色剂颗粒包括带电组分、具有由下式(1)表示的部分结构作为侧链的聚合物、和着色剂： (R 1 表示羟基、羧基、具有1至18个碳原子的烷基或具有1至18个碳原子的烷氧基；R 2 表示氢原子、羟基、具有1至18个碳原子的烷基或具有1至18个碳原子的烷氧基；m表示0至3的整数；如果m为2或3，则R 1 可各自独立地选择；n表示1至3的整数；以及*表示聚合物中的连接位置）。

Electrophotographic toner and electrophotographic developer and image forming method

An electrophotographic toner that includes a colorant, a release agent, a non-crystalline resin and a crystalline resin, wherein the crystalline resin is a polyalkyl acrylate or polyalkyl methacrylate having an alkyl group of approximately 18 or more carbon atoms, and is produced by copolymerization with approximately 10 mol % or more, but no more than approximately 50 mol %, of a vinyl monomer having a carboxyl group.

Resin for electrostatic-image-developing toner, electrostatic-image-developing toner, electrostatic image developer, method for forming image, and image-forming apparatus

A resin for an electrostatic-image-developing toner includes a graft polymer, wherein the graft polymer has a polyester structure in the main chain thereof; the graft polymer includes monomer units derived from vinyl monomers in the side chains thereof; and at least a part of the monomer units have a residue of surfactant.

Toner for developing electrostatic charge image, electrostatic charge image developer, image forming method and image forming apparatus

A toner for developing an electrostatic charge image, includes: a binder resin formed by reacting a polymerizable aromatic monomer having an ethylenically unsaturated double bond conjugated to an aromatic ring thereof, a nitrogen-containing polymerizable aliphatic monomer having an ethylenically unsaturated double bond and a sulfur-containing aliphatic compound to each other; and a colorant, wherein a ratio (MN/MS) of an amount of nitrogen (MN) to an amount of sulfur (MS) is in a range of from 1.0 to 15.

Toner for high frequency heat fixing in electrophotography

Use of polarity-modified polyolefin wax in photography duplicator

本发明涉及由茂金属催化剂制备的极性改性的聚烯烃蜡在照相复印机调色剂中的用途,还涉及含有该极性改性的聚烯烃蜡的照相复印机调色剂。

The dry electrophotographic toners that comprises amphipathic copolymer with acidic functionality

提供包括两亲共聚物的干燥电照相调色剂组合物，该两亲共聚物包括与其共价键合的酸性官能团。还提供制备调色剂组合物的方法。本发明的调色剂组合物显示独特的电荷特性以及独特的化学和电荷相互作用特性。

Toner

提供具有短时间内达到充分带电量的高带电迅速性、从初期至当打印出大量纸张时的高带电稳定性和高温高湿下的高带电稳定性的调色剂。在包括调色剂颗粒的调色剂中，各调色剂颗粒至少包含粘结剂树脂、着色剂和电荷控制树脂，电荷控制树脂为至少具有特定的水杨酸衍生物结构的结构A和具有磺酸或磺酸酯作为取代基的结构B的共聚物。

Toner and toner manufacturing method

Electrostatic image developing toner, method for manufacturing electrostatic image developing toner, developer, and image forming method

一种静电图像显影用调色剂，包括调色剂母粒，该调色剂母粒的中心颗粒的表面上粘附有粘着颗粒，其中，周长PM与圆当量直径D的比值X的体积平均值为3.6至5.0。

Easily dispersible pigment preparation based on c.i. pigment yellow 155

본 발명은 하기 성분들을 함유하는 고체 안료 제제에 관한 것이다: (A) 5 내지 99 중량%의 PY 155 및 (B) 1 내지 95 중량%의, 하기 구조 단위들을 함유하는 공중합체: (i) 1 내지 70 몰%의 하기 구조 단위 (B1), (ii) 1 내지 70 몰%의 하기 구조 단위 (B2), 및 (iii) 1 내지 70 몰%의 하기 구조 단위 (B3). The present invention relates to solid pigment formulations containing the following components: (A) 5 to 99% by weight of PY 155 and (B) 1 to 95% by weight of a copolymer containing the following structural units: (i) 1 to 70 mol% of the following structural units (B1), (ii) 1 to 70 mol% of the following structural units (B2), and (iii) 1 to 70 mol% of the following structural units (B3).

Binder resin for color toners and color toners made by using the same

본 발명에 의하면, 적어도 카복실기 함유 바이닐 수지(C), 글리시딜기 함유 바이닐 수지(E), 및 이들의 반응물을 포함하고, 160℃에서의 저장 탄성률 G'이, 측정 주파수 6.28라디안/초에 있어서 20Pa 이상 800Pa 미만이며, 바인더 수지 중의 테트라하이드로퓨란(THF) 가용분이, 겔 투과 크로마토그래피(GPC)에 의해 측정되는 분자량 분포에 있어서 분자량 20,000 이상 40,000 미만의 영역에 메인 피크를 갖고, 융점 60℃ 이상 120℃ 이하의 적어도 1종의 이형제를, 상기 카복실기 함유 바이닐 수지(C), 상기 글리시딜기 함유 바이닐 수지(E), 및 이들의 반응물의 합계 100질량%에 대하여 3.5질량% 이상 12질량% 이하로 포함하는, 컬러 토너용 바인더 수지가 제공된다.

Toner compositions with amino-containing polymers as surface additives

调色剂组合物包括核粒子，该核粒子包括聚合物胶乳和任选着色剂及在核粒子外表面上分散的含氨基聚合物粒子。

Backing material comprising polyvinyl alcohol and its purposes in electrostatic printing increasing material manufacturing

本发明提供了用于静电印刷增材制造中的支撑材料调色剂颗粒，其包括聚乙烯醇(PVA)聚合物以及包括壳聚糖和聚乙烯吡咯烷酮(PVP)的共混物添加剂，所述共混物添加剂的量选择为将PVA聚合物的T g 调节到与所需构建材料调色剂T g 的偏差在约1℃至约20℃内。静电印刷调色剂体系包括构建调色剂材料和支撑调色剂材料，所述支撑调色剂材料包括聚乙烯醇(PVA)聚合物以及包括壳聚糖和聚乙烯吡咯烷酮(PVP)的共混物添加剂，所述共混物添加剂的量选择为将PVA聚合物的T g 调节到与构建材料调色剂T g 的偏差在约1℃至约20℃内。制备支撑调色剂材料的方法包括将聚乙烯醇与包括壳聚糖和聚乙烯吡咯烷酮的共混物添加剂共混，并且在共混步骤之后形成支撑调色剂颗粒。

Toner and production method thereof, image forming apparatus and image forming method, and process cartridge

本发明的目的是提供一种调色剂，其具有优良的转印性能、清洁性能和定影性，并形成高精度的图像，甚至在打印许多张纸后仍没有基本上退化的图像质量。本发明还提供该调色剂的生产方法、图像形成装置、图像形成方法及处理盒。为此目的，本发明提供一种调色剂，其包括：包含粘合剂树脂与填料的调色剂基础颗粒和无机微粒，其中该填料包含于该调色剂基础颗粒表面附近的填料层中，该无机微粒的初级颗粒的数均粒径为90nm到300nm，且该调色剂的平均圆度是0.95。

Electrophotographic toner and electrophotographic developer and image forming method

本发明提供了一种电子照相调色剂和电子照相显影剂以及成像方法，所述调色剂包含着色剂、防粘剂、非结晶性树脂和结晶性树脂，其中所述结晶性树脂是具有碳原子数大于或等于18的烷基的聚丙烯酸烷基酯或聚甲基丙烯酸烷基酯，而且是通过与10摩尔％～50摩尔％的具有羧基的乙烯基单体的共聚反应而制得。

Electrophotographic toner and electrophotographic developer, and image forming method

본 발명의 전자 사진용 토너는 색재와 이형제와 비결정성 수지와 결정성 수지를 포함하는 토너로서, 상기 결정성 수지는 탄소수가 18 이상의 알킬기를 갖는 폴리알킬 아크릴레이트 또는 폴리알킬 메타크릴레이트이며, 또한 카르복시기를 갖는 비닐 모노머를 10몰% 이상, 50몰% 이하의 비율로 공중합하여 이루어지는 결정성 수지이다. The electrophotographic toner of the present invention is a toner containing a colorant, a release agent, an amorphous resin, and a crystalline resin, wherein the crystalline resin is a polyalkyl acrylate or polyalkyl methacrylate having an alkyl group having 18 or more carbon atoms, and It is a crystalline resin formed by copolymerizing the vinyl monomer which has a carboxyl group in 10 mol% or more and 50 mol% or less ratio. 전자 사진용 토너, 전자 사진용 현상제, 화상 형성 방법 Electrophotographic toner, electrophotographic developer, image forming method

Method for preparing toner and toner prepared by using the method

본 발명은 반응성 유화제 및 착색제를 혼합하여 안료 분산액을 제조하는 단계; 친수성기 및 소수성기를 가지며 하나 이상의 반응성 관능기를 포함하는 거대 단량체 및 하나 이상의 중합성 단량체를 상기 안료 분산액에 혼합하여 토너 조성물을 제조하는 단계; 상기 조성물을 매질 중에서 유화중합하는 단계; 및 상기 중합된 토너를 분리 및 건조하는 단계를 포함하는 토너의 제조방법을 제공한다. 또한 본 발명은 상기 제조방법을 이용하여 제조한 토너, 상기 토너를 이용하는 화상 형성 방법, 및 상기 토너를 수용한 화상 형성 장치에 관한 것이다. 본 발명에 따른 제조방법을 이용하면, 토너 입자의 크기, 입자의 분포와 형상을 조절하기 용이할 뿐만 아니라 세척공정을 최소화하여 오폐수의 발생량을 감소시킬 수 있기 때문에 환경적인 측면에서도 매우 유리하다.

Polymerized toner and fabricating method thereof

본 발명은 저온 정착성과 내열 보존성을 함께 향상시키도록 한 중합 토너와 그 제조 방법에 관한 것이다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polymerized toner and a method for producing the polymerized toner to improve both low temperature fixability and heat resistance storage resistance. 이 중합 토너는 코어수지입자에 코팅되고 광가교반응을 일으키기 위한 감광성 광개시제가 첨가된 쉘용수지를 구비하고; 상기 감광성 광개시제는 상기 토너의 총중량 100 중량% 대비 0.01중량% 내지 20중량% 사이의 조성비로 상기 쉘용수지에 함유된다. This polymerized toner is provided with a shell resin coated on the core resin particles and to which a photosensitive photoinitiator is added to cause a photocrosslinking reaction; The photosensitive photoinitiator is contained in the shell resin in a composition ratio of 0.01% to 20% by weight relative to 100% by weight of the total weight of the toner. 감광성,광개시제, 중합토너, 전자사진용 현상제, 칼라, 코어쉘 Photosensitive, photoinitiator, polymerized toner, developer for electrophotography, color, core shell

Toner and method for manufacturing toner

본 발명은 저온 정착성과 내 핫오프셋성이 우수하고, 저온부로부터 고온부에 있어서 넓은 정착 온도폭을 갖고, 내열 보존성이 높은 토너를 제공하기 위한 것으로, 세관식 레오미터에 의한 측정에 있어서, 압력 5.0㎫로 가압했을 때의 가압 개시부터 10초 경과 후의 변위가 2.0㎜가 되는 온도를 T(5)[℃]라고 하고, 온도 70℃, 압력 1.0㎫로 가압했을 때의 변위가 2.0㎜에 도달하는 시간을 t(1)[초]라고 하고, 온도 70℃, 압력 5.0㎫로 가압했을 때의 변위가 2.0㎜에 도달하는 시간을 t(5)[초]라고 했을 때, t(1)이 60초 이상이며, t(5)가 30초 이하이며, 하기 식 (1) 및 (2)를 만족하는 것을 특징으로 하는 토너. 65.0[℃]≤T(5)≤90.0[℃] (1) 4.5≤t(1)/t(5)≤10.0 (2)

Toner

提供一种调色剂，其即使在高速的图像形成中，与纸的种类无关地可得到优异的低温定影性、耐高温污损性，并与环境无关地稳定地提供高品质图像，不随时间产生图像缺陷。在该调色剂的以150℃为基准时的总曲线中，使频率0.1Hz下的储能模量与频率1000Hz下的储能模量之差为0～2.5×10 5 Pa，由此时的位移因子求得的活化能为50～130kJ/mol。

Method for producing microparticles of polylactic acid-based resin, microparticles of polylactic acid-based resin and cosmetic using same

本发明提供聚乳酸系树脂微粒的制造方法、适合化妆品用途的小粒径、吸油量高的多孔质形状的聚乳酸系树脂微粒、适合墨粉用途的圆球、粒径分布窄的表面平滑聚的乳酸系树脂微粒、和使用这些聚乳酸系树脂微粒的化妆品。提供了将聚乳酸系树脂(A)、和不同于聚乳酸系树脂的聚合物(B)溶解在醚系有机溶剂(C)中，施加剪切力而形成乳液，然后与聚乳酸系树脂(A)的不良溶剂接触的聚乳酸系树脂微粒的制造方法。通过该制造方法，能够提供聚乳酸系树脂(A)的熔化焓为5J/g以上、小粒径、吸油量高的多孔质聚乳酸系树脂微粒，以及熔化焓小于5J/g、圆球、粒径分布窄的平滑表面的聚乳酸系树脂微粒。

TONER POWDER AND METHOD FOR FORMING FIXED IMAGES USING THAT TONER POWDER.

Toner

A toner including toner particles, each of which comprising a charging component, a polymer having a partial structure represented by the following formula (1) as the side chain, and a colorant: (R 1 represents a hydroxyl group, a carboxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms; R 2 represents a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms; m represents an integer of 0 to 3; if m is 2 or 3, R 1 can be each independently selected; n represents an integer of 1 to 3; and * represents a coupling site in the polymer.)

Patent FR2336712B1

Magnetic one component dry toner prodn. for electrographic image - by spraying fluidised magnetic particles with aerosol of binder soln. contg. pigment

Magnetic one-component dry toner for electro(photo)graphic images has finely-divided magnetic core substance coated with a binder plasticised by heat and/or pressure, which contains pigment and opt. other additives. It is produced by fluidising the core substance and spraying it with an aerosol of a binder soln. with a viscosity of 10-12 s (No. 4 Ford cup at 22 degrees C. and a concn. of 10%) and evaporating the solvent. The amt. of resin used in pref. 50-500 mg./g. magnetite. The dispersion for spraying can also contain (hydrophobised) colloidal silica, a waxy polymer and/or conductive substances in an amt. to give a toner prod. with a resistance of 107 to 1010 ohm.cm., esp. hygroscopic metal salts, polymers with quat. ammonium functions, metal powder or C black, partic. a mixt. of a very conductive and a deep coloured C black.

Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and imaging device

The present invention addresses the problem of providing an electrophotographic photoreceptor which is manufactured using a polymer having excellent electrical properties and excellent surfactant functions including fluororesin dispersibility and has excellent abrasion resistance and electrical properties. The present invention relates to an electrophotographic photoreceptor containing a polymer containing a repeating unit represented by formula (A1). (The definitions for X1, X2, R11 to R16 and Z in formula (A1) and R21 in formula (A2) are as defined in the description.)

Method for preparing toner and toner prepared by using the method

본 발명은 친수성기 및 소수성기를 가지며, 하나 이상의 반응성 관능기를 포함하는 거대 단량체와 하나 이상의 중합성 단량체 및 착색제를 포함하는 토너 조성물을 제조하는 단계; 상기 조성물을 매질 중에서 유화중합하는 단계; 및 상기 중합된 토너를 분리 및 건조하는 단계를 포함하는 토너의 제조방법을 제공한다. 또한 본 발명은 상기 제조방법을 이용하여 제조한 토너, 상기 토너를 이용하는 화상 형성 방법, 및 상기 토너를 수용한 화상 형성 장치에 관한 것이다. 본 발명에 따른 제조방법을 이용하면, 토너 입자의 크기, 입자의 분포와 형상을 조절하기 용이할 뿐만 아니라 계면활성제 등을 사용하지 않거나 사용량을 최소화하여 오폐수의 발생량을 감소시킬 수 있기 때문에 환경적인 측면에서도 매우 유리하다. The present invention comprises the steps of preparing a toner composition having a hydrophilic group and a hydrophobic group and comprising a macromonomer comprising at least one reactive functional group and at least one polymerizable monomer and a colorant; Emulsion polymerizing the composition in a medium; And separating and drying the polymerized toner. The present invention also relates to a toner manufactured using the manufacturing method, an image forming method using the toner, and an image forming apparatus containing the toner. By using the manufacturing method according to the present invention, it is not only easy to control the size, distribution and shape of the toner particles, but also to reduce the amount of waste water generated by not using a surfactant or the like and minimizing the amount of waste water. Is also very advantageous.

Food-grade toner

A toner consists essentially of food-grade components. Because the toner consists essentially of food-grade components, it can be used to provide a coating or create an image on food products, including those intended for human or animal consumption.

Toner binder resin, toner, and manufacturing method therefor

Polymerizable compound, polymer compound and block polymer compound, and composition, image-forming method and image-forming apparatus using the same

A composition containing a polymer compound and medium being a solvent or a binder resin, wherein the polymer compound comprises monomer units represented by the general formula (1): wherein A is a straight-chain or branched alkylene group of 1 to 15 carbon atoms, which may be substituted; m is an integer of 0 to 30, and; B is a single bond or alkylene, which may be substituted; D is an aromatic ring structure; n is an integer of 1 to 10, and R is a hydrogen atom, an alkyl group, which may be substituted, an aromatic ring structure, or a mono- or poly-valent metal cation.

Binder resin for color toners and color toners made by using the same

A binder resin for color toners which comprises a carboxyl-containing vinyl resin (C), a glycidyl-containing vinyl resin (E), and a reaction product of both as the essential components and contains both tetrahydrofuran(THF)-soluble matter and THF-insoluble matter, which THF-soluble matter exhibits the main peak within a molecular weight region of 10,000 to less than 15,000 in the chromatogram of gel permeation chromatography (GPC) and the content of which THF-insoluble matter is less than 1% by mass, and which has a softening point of 130°C or below.

Toner and method of preparing the same

A method for preparing a toner is provided to avoid the use of an emulsifier in an agglomeration step, thereby simplifying the overall process, to facilitate dispersion of a colorant and wax, to permit easy control of the particle size and shape, and to obtain a toner having excellent storability and durability. A method for preparing a toner comprises the steps of: polymerizing a toner composition containing urethane acrylate, a polymerizable monomer and reactive wax to form polymer resin latex particles; forming a dispersion of colorant by using the urethane acrylate as a dispersion stabilizer; and agglomerating the dispersion of colorant with the polymer latex particles. The toner composition comprises 0.5-10 wt% of urethane acrylate, 70-90 wt% of a polymerizable monomer, and 0.1-20 wt% of reactive wax.

Method for producing microparticles of polylactic acid-based resin, microparticles of polylactic acid-based resin and cosmetic using same

Polymer particles containing a cross-linked polymer core and a linear non-cross-linked polymer shell, and toner formed therefrom

Polymer particles comprising a cross-linked polymer core and a linear non-cross-linked polymer shell may be formed by emulsion polymerization. The polymer particles may be used in forming toner.

Black toner with defined loss tangent

To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder resin, carbon black and a releasing agent, wherein: the toner particles have a weight-average particle diameter of 3.5 to 8.0 μm; total amount of acid value and hydroxyl value of the toner is 30 to 75 mgKOH/g; average circularity of particles contained in the toner having circle-equivalent diameter of 2 μm or more is 0.915 to 0.960; loss tangent tan δ (10 3 to 10 4 Hz) of the toner is represented by the following expression: tan δ(10 3 to 10 4 Hz)≦0.0060 where the loss tangent tan δ is represented by ∈″/∈′ where ∈″ denotes dielectric loss factor and ∈′ denotes dielectric constant, and tan δ (10 3 to 10 4 Hz) denotes the loss tangent in a frequency range of 10 3 to 10 4 Hz; and a ratio of tan δ (10 5 Hz) to tan δ (5×10 4 Hz) is represented by the following expression: 1.05≦tan δ(10 5 Hz)/tan δ(5×10 4 Hz)≦1.40 where tan δ (10 5 Hz) denotes loss tangent at the frequency of 10 5 Hz and tan δ (5×10 4 Hz) denotes loss tangent at the frequency of 5×10 4 Hz.

Method for preparing latex containing pigment copolymerized with a crystalline polymer

A method of preparing a latex that includes pigments copolymerized with a crystalline polymer includes: dispersing a pigment and a dispersing agent in water having an ultra-high purity to obtain a pigment dispersion; dissolving a crystalline monomer in a basic monomer mixture to obtain an organic phase; dissolving while heating the dispersing agent in water having an ultra-high purity, and then mixing the solution with the pigment dispersion to obtain an aqueous phase; mixing and agitating the organic phase and the aqueous phase to obtain a homogenized solution; agitating and heating the homogenized solution; adding a polymerization initiator to the homogenized solution to be reacted; and cooling the reaction solution to room temperature.

Toner

提供具有短时间内达到充分带电量的高带电迅速性、从初期至当打印出大量纸张时的高带电稳定性和高温高湿下的高带电稳定性的调色剂。在包括调色剂颗粒的调色剂中，各调色剂颗粒至少包含粘结剂树脂、着色剂和电荷控制树脂，电荷控制树脂为至少具有特定的水杨酸衍生物结构的结构A和具有磺酸或磺酸酯作为取代基的结构B的共聚物。

Recording material and image forming method

本发明提供在高速打印中，记录液充分地定影至记录介质，并且具有足够的色度和足够的亮度的记录物质。所述记录物质包括记录介质、内含着色剂颗粒的调色剂颗粒、和内含所述调色剂颗粒并将由所述调色剂颗粒构成的调色剂图像定影至所述记录介质的固化树脂，其中所述调色剂颗粒的平均圆形度为0.70以上且0.99以下，所述调色剂颗粒不从所述固化树脂的表面露出，并且相邻的调色剂颗粒之间的平均壁面间距离为10nm以上且125nm以下。

Electrophotographic toner and process for producing the same

An electrophotographic toner comprising toner particles having adhered on the surface thereof a polymer comprising a monomer unit derived from a fluorine-containing vinyl monomer represented by formula (I) or (II): ##STR1## wherein X represents --COO--, --OCO--, --O--, or a p-phenylene group; R 1 and R 2 each represent a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms; m represents an integer of from 1 to 7; n represents an integer of from 1 to 19; o and p each represent an integer of from 0 to 7; and Y represents a hydrogen atom or a fluorine atom. The toner exhibits satisfactory charging stability against the environment or mechanical forces while having a narrow charge distribution. It can be prepared with a wide choice of materials and without requiring any special reaction apparatus.

METHOD OF MANUFACTURING A TONER

Toner

A toner including toner particles, each of which comprising a charging component, a polymer having a partial structure represented by the following formula (1) as the side chain, and a colorant: (R 1 represents a hydroxyl group, a carboxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms; R 2 represents a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms; m represents an integer of 0 to 3; if m is 2 or 3, R 1 can be each independently selected; n represents an integer of 1 to 3; and * represents a coupling site in the polymer.)

Latexes and related compositions

Latexes are provided which may comprise water and resin particles comprising a polymerization product of reactants comprising a dioxane/dioxolane monomer and a vinyl comonomer, wherein the dioxane/dioxolane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxolane moiety, or both.

Method for preparing toner and toner prepared by using the method

A method for preparing toner comprising reactive surfactant, macromonomer and multi-functional polyester is provided to control size, shape and distribution of toner particles, and reduce washing processes to result in decrease of waste water generation by combining individual constituents and conducting emulsion polymerization thereof. The method comprises the steps of: preparing a coloring agent dispersed solution by mixing a reactive surfactant and the coloring agent; preparing a toner composition by adding macromonomer, at least one polymeric monomer and multi-functional polyester to the dispersed solution, in which the macromonomer has hydrophilic and hydrophobic groups and includes at least one reactive functional group; emulsion-polymerizing the composition in a medium; and separating and drying the polymerized toner. The multi-functional polyester includes polyester moiety, and has at least two reactive groups selected from a group consisting of vinyl, acrylate and methacrylate.

Toner and toner manufacturing method

A toner comprising a toner particle containing a binder resin, the storage elastic modulus Gt′ (150) of the toner at 150° C. is at least 1.0×10 4 Pa, the binder resin contains a polymer A having a first monomer unit derived from a first polymerizable monomer and a second monomer unit derived from a second polymerizable monomer different from the first polymerizable monomer, the first polymerizable monomer is selected from specific (meth)acrylic acid esters, the contents of the first monomer unit and second monomer unit in the polymer A are within specific ranges, and the SP values of the first monomer unit and second monomer unit are within specific ranges.

Toner, image forming method and process cartridge

Binder resin for toner and toner

Polymerizable compound, polymer compound and block polymer compound, and composition, image-forming method and image-forming apparatus using the same

A composition containing a polymer compound and medium being a solvent or a binder resin, wherein the polymer compound comprises monomer units represented by the general formula (1): wherein A is a straight-chain or branched alkylene group of 1 to 15 carbon atoms, which may be substituted; m is an integer of 0 to 30, and; B is a single bond or alkylene, which may be substituted; D is an aromatic ring structure; n is an integer of 1 to 10, and R is a hydrogen atom, an alkyl group, which may be substituted, an aromatic ring structure, or a mono- or poly-valent metal cation.

THERMO-CURING ELECTROSTATOGRAPHIC DEVELOPERS

Method for producing toner

【課題】 エチレン−酢酸ビニル共重合体を樹脂の主成分とし、低温定着性と帯電保持性と画像品位を両立するトナーを乳化凝集法により製造する方法の提供。【解決手段】 界面活性剤の存在下で水系媒体中において樹脂微粒子を作製する工程（１）、前記樹脂微粒子を含む分散液を凝集し凝集体粒子を作製する工程（２）、および、前記凝集体粒子を加熱し融合しトナー粒子を作製する工程（３）を有するトナーの製造方法において、前記樹脂微粒子中の樹脂成分がオレフィン系共重合体及び樹脂Ａを有し、前記樹脂Ａの酸価が５ｍｇＫＯＨ／ｇ以上５０ｍｇＫＯＨ／ｇ以下であり、前記樹脂ＡのＳＰ値が１９（Ｊ／ｃｍ３）０．５以上２１（Ｊ／ｃｍ３）０．５以下であり、前記樹脂成分に含まれる前記オレフィン系共重合体の含有量が、前記樹脂成分の全質量に対し５０質量％以上であることを特徴とするトナーの製造方法。【選択図】 なし

Toner and method for producing the same

Toner for developing electrostatic charge image, electrostatic charge image developer, image forming method and image forming apparatus

A toner for developing an electrostatic charge image, includes: a binder resin formed by reacting a polymerizable aromatic monomer having an ethylenically unsaturated double bond conjugated to an aromatic ring thereof, a nitrogen-containing polymerizable aliphatic monomer having an ethylenically unsaturated double bond and a sulfur-containing aliphatic compound to each other; and a colorant, wherein a ratio (MN/MS) of an amount of nitrogen (MN) to an amount of sulfur (MS) is in a range of from 1.0 to 15

Electrostatic image developing toner

The present invention relates to, in the toner including toner particles having a biding agent resin, colorings and a release agent, an electrostatic image developing toner, its composition, and a preparation method thereof. The electrostatic image developing toner is prepared by the method comprising: (1) preparing an inorganic dispersion medium; (2) dispersing/dissolving a polymerizable monomer mixture; (3) micronizing the liquid obtained in step (2) in the liquid obtained in step (1) with high shear force in order to create droplets; (4) performing radical polymerization of the micronized droplets obtained in step (3); (5) aggregating particles obtained in step (4); (6) fusing the aggregate obtained in step (5); (7) cleaning and drying the toner obtained by step (6); and (8) adding additives to impart electrification and fluidity to a toner obtained by step (7).

Toner, image forming method and process-cartridge

A toner formed of at least a binder resin, a colorant, a charge control agent and a wax, is provided with a uniform state of dispersion of the wax and good balance of low-temperature fixability and anti-high-temperature offset characteristic, while exhibiting good developing performances over wide environmental conditions. The toner is characterized in that (a) the binder resin comprises a hybrid resin component having a polyester unit and a vinyl polymer unit, (b) the toner exhibits a loss tangent (tan δ) of 1.0 at a temperature in a range of 80–160° C., and (c) the toner provides a DSC curve showing a heat-absorption peak in a temperature range of 85–130° C. on temperature increase as measured according to differential scanning calorimetry (DSC).

Toner

Toner

Toner compositions with amino-containing polymers as surface additives

采用含氨基聚合物作为表面添加剂的调色剂组合物调色剂组合物包括核粒子，该核粒子包括聚合物胶乳和任选着色剂及在核粒子外表面上分散的含氨基聚合物粒子。

Toner

Provided is a toner having high charging rapidity to reach a sufficient charging amount in a short time, high stability of charging from the initial stage to a time when a large amount of sheets is printed out, and high stability of charging under a high temperature and high humidity. In a toner including toner particles, each of which contains at least a binder resin, a colorant, and a charge controlling resin, the charge controlling resin is a copolymer of a structure A having at least a specific salicylic acid derivative structure and a structure B having sulfonic acid or sulfonic acid ester as a substituent.

Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus

Positively chargeable toner

A positively chargeable toner, comprising: toner particles that are formed by allowing resin particles containing an amino-group and colorant particles to aggregate, the toner having an amine value in a range of 5 to 35 KOHmg/g, being excellent in fixing properties, heat resistant storing property and chargeability.

Binder resin for toner, toner and method for producing same

Disclosed is a binder resin for a toner containing at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), a reaction product of the vinyl resins and a saturated crystalline polyester (S), wherein the saturated crystalline polyester (S) has a predetermined melting point and a predetermined metal component (M), and the binder resin for a toner has a predetermined loss modulus (G″) and a predetermined storage modulus (G′).

Method of preparing toner, toner prepared using the method, and method and device for forming image using the toner

The present invention provides a method of preparing toner, which comprises polymerizing a toner composition containing a macromonomer having a hydrophilic group, a hydrophobic group and at least one reactive functional group, one or more polymerizable monomers, a polymerization initiator and a chain transfer agent, to form a polymer latex; mixing the polymer latex with a colorant dispersion of a colorant dispersed in an anionic reactive emulsifier and a nonionic reactive emulsifier, and adding an aggregating agent to aggregate the resulting toner; and separating and drying the aggregated toner. A toner prepared by the method, a method of forming an image using the toner, and an image forming device employing the toner, are also provided. According to the method, a colorant dispersion of a colorant dispersed in a plurality of reactive emulsifiers is used to easily control the particle size and shape of the toner particles, obtain a high resolution image having excellent offset resistance, and provide frictional charging properties and storage stability. A toner exhibiting excellent properties in a high humidity environment can be prepared.

Toner for electrophotographic imaging apparatus and electrophotographic imaging apparatus employing the toner

본 발명은 전자사진 화상형성장치용 토너 및 이를 채용한 전자사진 화상형성장치에 관한 것으로, 구체적으로는 바인더 레진, 착색제, 이형제 및 대전제어제를 포함하는 전자사진 화상형성장치용 토너에 있어서, 상기 바인더 레진이 알코올계 모노머와 카르본산계 모노머의 중축합 반응으로 제조된 폴리에스테르계 수지이고, 상기 알코올계 모노머가 비스페놀 A 또는 그 유도체 성분을 0.7 몰% 이하의 함량으로 포함하는 것을 특징으로 하는 전자사진 화상형성장치용 토너 및 이를 채용한 전자사진 화상형성장치에 관한 것이다. The present invention relates to a toner for an electrophotographic image forming apparatus and an electrophotographic image forming apparatus employing the same. Specifically, the present invention relates to a toner for an electrophotographic image forming apparatus including a binder resin, a colorant, a mold release agent, and a charge control agent. Resin is a polyester resin produced by the polycondensation reaction of an alcohol monomer and a carboxylic acid monomer, an electrophotographic, characterized in that the alcohol monomer contains bisphenol A or a derivative component thereof in an amount of 0.7 mol% or less. A toner for an image forming apparatus and an electrophotographic image forming apparatus employing the same. 본 발명에 따르면, 내구성, 정착성 및 분산성 등과 같은 물성이 우수하면서도, 환경 오염의 우려가 적고 인체에도 무해한 전자사진 화상형성장치용 토너 및 이를 채용한 전자사진 화상형성장치를 제공할 수 있다. According to the present invention, there is provided a toner for an electrophotographic image forming apparatus which is excellent in physical properties such as durability, fixability, dispersibility, and the like, which is less concerned about environmental pollution and harmless to the human body, and an electrophotographic image forming apparatus employing the same. 전자사진 화상형성장치용 토너, 전자사진 화상형성장치 Toner for Electrophotographic Image Forming Apparatus, Electrophotographic Image Forming Apparatus

Toner

본 발명은 고속의 화상 형성에서도, 종이의 종류를 막론하고 우수한 저온 정착성, 고온 오프셋 내성이 얻어지고, 환경을 막론하고 고품질의 화상을 안정적으로 제공하고, 시간 경과에 따른 화상 결함을 발생시키지 않는 토너를 제공한다. 상기 토너의 150 ℃를 기준으로 했을 때의 마스터 커브에서, 주파수 0.1 Hz에서의 저장 탄성률과 주파수 1000 Hz에서의 저장 탄성률과의 차를 0 내지 2.5×10 5 Pa로 하고, 그 때의 시프트 팩터으로부터 구해지는 활성화 에너지를 50 내지 130 kJ/mol로 한다. The present invention achieves excellent low-temperature fixability and high-temperature offset resistance regardless of the type of paper even at high speed of image formation, and stably provides a high-quality image regardless of the environment, and does not generate image defects over time. Provide toner. In the master curve at 150 ° C. of the toner, the difference between the storage modulus at a frequency of 0.1 Hz and the storage modulus at a frequency of 1000 Hz is 0 to 2.5 × 10 5 Pa, and from the shift factor at that time The activation energy calculated | required is 50-130 kJ / mol. 토너, 마스터 커브, 저장 탄성률, 결착 수지, 착색제, 활성화 에너지 Toner, master curve, storage modulus, binder resin, colorant, activation energy

Patent JPS5136947A