Fuji Xerox Co., Ltd.

Hideo Maehata

Yasuo Matsumura

Hirotaka Matsuoka

Satoshi Hiraoka

Fumiaki Mera

Yuki Sasaki

Susumu Yoshino

Takao Ishiyama

Masaaki Suwabe

Yasuo Yamamoto

Noriyuki Mizutani

Hiroyuki Tanaka

Yasuo Kadokura

Hisae Yoshizawa

Soichiro Kitagawa

Takashi Imai

Satoshi Yoshida

Shuji Sato

Hirokazu Hamano

Masaru Takahashi

Manabu Serizawa

Moegi Iguchi

Takeshi Shoji

Shinpei Takagi

Akira Matsumoto

Katsumi Daimon

Takeshi Agata

Yosuke Tsurumi

Yusuke Ikeda

Masanobu Ninomiya

Hiroshi Nakazawa

Masaki Hirakata

Masato Mikami

Kazuhiko Yanagida

Yuka Ishihara

Yutaka Sugizaki

Tsutomu Kubo

Hiroshi Takano

Tatsuo Okuno

Yukihiro Ishii

Yukiko Watanabe

Kousaku Yoshimura

Makiko Nakano

Yosuke Tsurmi

A thermosetting powder coating material includes powder particles that include a core which contains a thermosetting resin and a thermosetting agent having a blocked isocyanate group and a resin coating portion which contains a thermosetting resin having a glass transition temperature of equal to or higher than 45&#xb0; C. and coats a surface of the core, and satisfy the followings (1) to (4): (1) a volume particle diameter distribution index GSDv of the powder particles is equal to or less than 1.50; (2) an average circularity of the powder particles is equal to or greater than 0.96; (3) a melting temperature of the powder particles measured according to a &#xbd; method by using a flow tester is from 90&#xb0; C. to 115&#xb0; C.; and (4) an exothermic peak is within a range of from 80&#xb0; C. to 150&#xb0; C. in a differential scanning calorimetry measurement of the powder particles.

Thermosetting powder coating material and coated article

A powder coating material includes powder particles that include a binder resin, have an average circularity of 0.97 or greater, and have a coloring pigment provided on a surface of the powder particles.

Powder coating material

A liquid developer includes metallic particles that may be surface-treated using an insulating material, and a carrier liquid.

Liquid developer, circuit board, and conductive pattern forming apparatus

An electrostatic charge image developing toner includes: a polyester resin containing a graft copolymer, the graft copolymer being formed with a polyester skeleton as a main chain and block copolymers containing a styrene-based polymer block and a crystalline acrylate-based polymer block. The styrene-based polymer block is grafted onto the polyester skeleton.

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

A toner for developing an electrostatic image contains at least one of an oxidation polymerizable monomer and a polymer having an ethylenically unsaturated group, and an oxidation polymerization catalyst in a form of a composite with inorganic particles, wherein a temperature T(10 Mpa) and a temperature T(1 Mpa) satisfies the following expression (1):20&#xb0; C.&#x2266;(1 MPa)&#x2212;(10 MPa)&#x2003;&#x2003;(1)

Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatus

A method of producing an electrostatic latent image developing toner includes: preparing a resin particle dispersion by polymerizing, in a water-based solvent, a polymerizable monomer that comprises a polymerizable monomer comprising a vinyl-based double bond; extracting a liquid from the resin particle dispersion by heating; mixing the distilled resin particle dispersion with a colorant particle dispersion prepared by dispersing a colorant; and aggregating the resin particles, the pigment particles and a release agent particles to form aggregate particles, and then conducting heating to fuse the aggregate particles.

Method of producing electrostatic latent image developing toner

An electrostatic image developing toner, includes: a block copolymer that contains: a block A that has a glass transition temperature of about 60&#xb0; C. or more; and a crystalline block B that has a melting point of about 25&#xb0; C. or more derived from an ethylenically unsaturated compound, wherein the block copolymer satisfies the following equations (1) to (3):30&#xb0; C.&#x2266;[(0.5 MPa)&#x2212;(30 MPa)]&#x2266;80&#xb0; C.&#x2003;&#x2003;(1)60&#xb0; C.&#x2266;(0.5 MPa)&#x2003;&#x2003;(2)(30 MPa)&#x2266;80&#xb0; C.&#x2003;&#x2003;(3)

Electrostatic image developing toner, method for manufacturing electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image-forming method and image-forming apparatus

An electrostatic image developer is provided, the electrostatic image developer including: a carrier for an electrostatic image developer, the carrier including a core particle which has a plurality of projections on a surface of the core particle; and electrostatic image developing toners, wherein the electrostatic image developer satisfies following relationships of formulae (1) and (2):0.5t&#x3c;H&#x2003;&#x2003;(1)2t&#x3c;L&#x3c;5t&#x2003;&#x2003;(2)wherein t represents a volume average particle diameter (&#x3bc;m) of the toners; H represents an average height difference (&#x3bc;m) in the recesses and projections of the core particle; and L represents an average distance (&#x3bc;m) between the projections.

Electrostatic image developer, developer cartridge, process cartridge, image forming apparatus and image forming method

A polyester resin for electrostatic image developing toner includes: two or more polyester blocks, and the polyester resin satisfying the following conditions (A) to (C): (A) an ester concentration of the polyester resin is about 0.01 or more and less than about 0.1; (B) a weight average molecular weight of the polyester resin is about 24,000 or more; and (C) a difference in SP values of at least two kinds of the two or more polyester blocks is about 0.1 to about 0.7.

Polyester resin for electrostatic image developing toner and manufacturing method of the same, electrostatic image developing toner, electrostatic image developer and image forming apparatus

An electrostatic-image-developing toner is obtained by aggregating: resin particles, each of which has a core-shell structure, in which a difference in glass transition temperature between a resin constituting the core and a resin constituting the shell is about 20&#xb0; C. or more; and releasing agent particles, each of which includes a polyester block copolymer having a weight-average molecular weight of about 3,000 or less and containing a non-crystalline polyester block containing a cyclic structure in the main chain and a crystalline polyester block containing no cyclic structure in the main chain.

Electrostatic-image-developing toner, process for producing electrostatic-image-developing toner, electrostatic image developer, image-forming method, and image-forming apparatus

An electrostatic image developing toner includes a binder resin that includes a polyester carbonate resin or a polyester amide resin, the polyester carbonate resin or the polyester amide resin containing a dodecenylsuccinic acid unit in an mount from about 0.5 mol % to about 30 mol % as a monomer unit; and a colorant.

Electrostatic image developing toner, production method thereof, electrostatic image developer, image forming method 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.

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

An electrostatic image developing toner comprising a non-crystalline polyester resin, wherein the non-crystalline polyester resin is obtained by copolymerizing monomers in the presence of a titanium catalyst; the monomers comprise a polyhydric alcohol component and a monomer containing a sulfonic acid group, the polyhydric alcohol component comprises a propylene oxide adduct of bisphenol A, a ratio of an amount of the monomer containing a sulfonic acid group to the total amount of the non-crystalline polyester resin is 0.1 mol % to 20 mol %, and a content of titanium is 1 ppm to 1000 ppm by weight based on the amount of the resin. The invention also provides a method for producing the same, an electrostatic image developer and image forming method using the toner.

Electrostatic developing toner, method of producing the same, electrostatic developer and image forming method

A toner for developing electrostatic images, comprising a binder resin and a colorant, the binder resin including a crystalline polyester resin and an amorphous resin. When, in differential scanning calorimetry of the toner according to ASTM D3418-8, the temperature of the endothermic peak derived from the crystalline polyester resin in a first heating process is defined as Tm1 (&#xb0; C.), the endothermic quantity based on the endothermic peak in the first heating process is defined as &#x394;H1 (mW/g), and the endothermic quantity based on the endothermic peak in a second heating process is defined as &#x394;H2 (mW/g), Tm1 is 50 to 80&#xb0; C., and &#x394;H1 and &#x394;H2 satisfy the relationship represented by the following Formula (1). When the softening temperature of the toner is defined as T(&#xb0; C.), Tfis 85 to 135&#xb0; C. Tm1 and Tsatisfy the relationship represented by the following Formula (2):0.35&#x2266;&#x394;2/&#x394;1&#x2266;0.95&#x2003;&#x2003;Formula (1)&#x2266;205&#x2212;(1.4&#xd7;1)&#x2003;&#x2003;Formula (2).

Toner for developing electrostatic images, electrostatic image developer, and image-forming method

A process for producing a resin particle liquid dispersion for an electrostatic image developing toner, the process comprising: polycondensing a polycondensable monomer by utilizing an acid having a surface activating effect as a polycondensation catalyst, so as to obtain a polycondensed resin; and dispersing the polycondensed resin in an aqueous medium to which a base is added, so as to obtain a resin particle liquid dispersion in which a median diameter of resin particles is from 0.05 to 2.0 &#x3bc;m, or the process comprising: polycondensing a polycondensable monomer by utilizing an acid having a surface activating effect as a polycondensation catalyst in a co-presence of a polycondensed resin, so as to obtain a polycondensed resin-containing material; and dispersing the polycondensed resin-containing material in an aqueous medium, so as to obtain a resin particle liquid dispersion in which a median diameter of resin particles is from 0.05 to 2.0 &#x3bc;m.

Process for producing resin particle liquid dispersion for electrostatic image developing toner, electrostatic image developing toner and production process thereof

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Kanagawa, Japan

Hideo Maehata