Fuji Xerox Co., Ltd.

Shigeru Hayashi

Katsumi Daimon

Shuji Sato

Yosuke Tsurumi

Yusuke Ikeda

Hiroshi Nakazawa

Takashi Imai

Yasuo Matsumura

Moegi Iguchi

Kazufumi Tomita

Osamu Ide

A transparent toner to be used for a transparent toner image formed with a color toner image, wherein a thermoplastic resin constituting the transparent toner is made of a resin obtained by melt-mixing a crystalline polyester resin and an amorphous resin under the conditions such that supposing that T(&#xb0; C.) is the temperature at which the visual reflectance Y of 20 &#x3bc;m thick film formed by the resin obtained by melt-mixing the crystalline polyester resin and the amorphous resin for a period of time t(minute) is 1.5%, the melt-mixing temperature is T (&#xb0; C.) and the melt-mixing time is t (minute), T (&#xb0; C.) is predetermined to be from Tto (T+30), t (minute) is predetermined to be from tto (10&#xd7;t) and the temperature T&#x3b1; at which the viscosity of the thermoplastic resin is 10Pa&#xb7;s is from 70&#xb0; C. to 110&#xb0; C.

Transparent toner, developer including same, gloss-providing unit and image forming device

The present invention provides a toner for electrophotography having a capsule structure including a core and a shell that covers the core, wherein the core contains a colorant, a releasing agent, an amorphous resin, and a block polymer containing a crystalline part and an amorphous part, the weight-average molecular weight of the block polymer is 10,000 or more, the weight-average molecular weight of the resin used in formation of the amorphous part of the block polymer is 1000 to 5000, and the weight-average molecular weight of the resin used in formation of the crystalline part of the block polymer is at least 2 times the weight-average molecular weight of the resin used in formation of the amorphous part of the block polymer, a method of manufacturing the same, a developer for electrophotography including the toner and a carrier, and an image forming method using the developer for electrophotography.

Toner for electrophotography, manufacturing method of toner for electrophotography, developer for electrophotography, and image forming method

The present invention relates to a toner for electrostatic image development, comprising a crystalline ester compound synthesized by polymerizing a carboxylic acid component with an alcohol component, a non-crystalline resin, a colorant and a releasing agent, wherein the weight-average molecular weight of the crystalline ester compound is 5000 or less, and the number of carbon atoms in at least one component selected from the carboxylic acid component and the alcohol component is 10 or more.

Toner for electrostatic image development, electrostatic image developer and image forming method using the same

Provided are a toner for developing an electrostatic image comprising a crystalline resin having an ester bond and at least one of a sulfide bond or a disulfide bond in the main-chain, an electrostatic image developer and an image-forming process by using the same, a method of producing the toner for developing electrostatic image, and a resin particle dispersion using the same.

Toner for developing electrostatic image, production method thereof, resin particle dispersion, and electrostatic image developer

Provided are an electrophotographic toner, comprising a binder resin containing a coloring agent, a crystalline resin and an amorphous resin, wherein the crystalline resin has two or more peaks in weight-average molecular weight as determined by gel permeation chromatography, one of the peaks has a weight-average molecular weight in the range of 15,000 to 40,000, and another peak has a weight-average molecular weight in the range of 2,000 to 10,000 and a production method thereof, and an electrophotographic developer and an image-forming process using the electrophotographic toner.

Electrophotographic toner, method for producing the same, electrophotographic developer, method for producing the developer, and image forming method

The present invention provides an image supporting material for fixably supporting a color toner image, the material including a base material, a light scattering layer provided on the base material and containing a white pigment and a thermoplastic resin, and a color toner receptive layer provided on the light scattering layer and containing at least a thermoplastic resin, wherein the thermoplastic resin in the light scattering layer is constituted of a polyolefin or a polyolefinic copolymer having a temperature, at which viscosity becomes 5&#xd7;10Pa&#xb7;s, of 100&#xb0; C. or higher, and the thermoplastic resin in the color toner receptive layer is constituted of a resin obtained by melt mixing of a crystalline polyester resin and an amorphous resin and having a temperature, at which viscosity becomes 10Pa&#xb7;s, equal to or higher than 65&#xb0; C. but lower than 80&#xb0; C.

Growing community of inventors

Minami-ashigara, Japan

Shigeru Hayashi