Konica Corporation

Mikio Kohyama

Kenji Hayashi

Naohiro Hirose

Yoshiki Nishimori

Hiroshi Yamazaki

Masafumi Uchida

Tomoe Kitani

Tsuyoshi Uchida

Hiroyuki Yamada

Kenji Yamane

Hiroyuki Kozuru

Shigenori Kouno

Michiaki Ishikawa

Tomoe Kikuchi

A toner for developing electrostatic latent image is disclosed. The toner comprises a crystalline compound, and exhibits at least one recrystallization peak during the second heating process in the DSC curve of said toner. An image forming method employing the toner is also disclosed.

Electrostatically charged image developing toner, production method of the same, and an image forming method

Toner for developing electrostatic latent image

A toner for developing an electrostatic image comprising a resin, a colorant and a releasing agent in which the toner particles are obtained by salting out/fusion-adhering a resin particle comprising a binding resin and a releasing agent together with a colorant particle is disclosed. The toner comprises the toner particles having a variation coefficient of not more than 16% and a number variation coefficient of the number particle size distribution of not more than 27%.

Toner for developing electrostatic image and image forming method

A process for preparing a color toner for developing an electrostatic image comprising a step of polymerizing monomers to obtain resin particles, wherein the color toner comprises primary particles or secondary particles of resin particles, and a metal complex dye represented by the following formula (1) or formula (2),

Process for preparing a color toner for developing an electrostatic image

A toner for developing an electrostatic image is disclosed. The toner is composed of association of a plurality of fine polymer particles, and the total volume of pores having a diameter of not more than 0.1 .mu.m on the toner surfaces is not more than 30 percent of the total toner volume. An image forming method employing the same is also disclosed. A toner which does not result in an unstable charge amount over an extended period of use can be obtained.

Toner for developing an electrostatic image

Disclosed is a toner for developing an electrostatic latent image, the toner containing polymer particles having a carboxyl group on the surface thereof in the range of

Toner, developer and image forming method employing the toner

Disclosed is a toner for developing an electrostatic latent image, comprising colored particles containing a colorant and a binder resin, and hydrophobic particles, wherein said colored particles have a BET specific surface area of not less than 5 m.sup.2 /g and said hydrophobic particles satisfy the following relation:

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Hino, Japan

Mikio Kohyama