Dainippon Ink and Chemicals, Incorporated

Dainippon Ink Chemicals, Inc.

Ryozo Sugawara

Masanobu Nakamura

Kinji Shinzo

Kazuya Kuriyama

Yoshinori Shimane

Kiyoshi Honda

Shigeru Murakami

Chiaki Nakamura

Toshiro Kogawara

Hideki Gambayashi

Hiroyuki Terada

Katsuyuki Ogura

Hiroyuki Mariko

Norio Aoki

Use of a polyester resin obtained by reacting a divalent or higher epoxy compound, a dibasic or higher polybasic acid compound selected from a polybasic acid and/or acid anhydride and/or lower alkyl ester thereof, and a divalent or higher polyvalent alcohol in a toner for electrostatic charge development containing at least a binder resin, a colorant, and a charge control agent can provide a toner for a non-magnetic single component development having excellent fixing properties, offset resistance and development durability.

Toner for non-magnetic single component development

An electrostatic image developer is provided which has superior fixation properties and anti-offset properties, exhibits stable charge behavior even during continuous printing, and has superior durability and permits a high-quality image to be obtained. This electrostatic image developer is a toner composition containing colored resin particles comprising at least a binder resin, a colorant, and a charge control agent, wherein (1) an epoxy compound with a valence of 5 or more, (2) a polybasic acid compound having a valence of 2 or more selected from the group consisting of polybasic acids and/or acid anhydrides and/or lower alkyl esters thereof, and (3) a polyvalent alcohol having a valence of 2 or more, are employed as chief structural components of the binder resin, and a polyester resin is produced by reacting components (1)-(3) simultaneously, or by first reacting components (1) and (3), and subsequently reacting component (2), or by first reacting components (1) and (2), and subsequently reacting component (3).

Toner composition and developer for electrostatic image development

A sheet-like article of polyvinyl chloride which is obtained by calendering a composition comprising polyvinyl chloride, a reactive plasticizer, a photosensitizer, a stabilizer and a polymerization inhibitor, and then irradiating the product with ultraviolet rays.

Sheet-like articles of polyvinyl chloride

An embossed interior finishing material having superior cigarette mark resistance, said material comprising

Embossed interior finishing materials having excellent cigarette mark

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Sodegaura, Japan

Ryozo Sugawara