Orient Chemical Industries, Ltd.

Asahi Glass Company, Limited

Sekisui Chemical Co., Ltd.

Orient Chemicals Industries, Lt.

Jun Hikata

Masashi Yasumatsu

Kazuyoshi Kuroda

Kaori Sato

Osamu Yamate

Bungo Hatta

Heihachi Yushina

Minoru Inada

Kazuhiko Nakayama

Hirofumi Kitano

Yuji Masaki

An interlayer film for laminated glass that suppresses the transmittance of ultraviolet rays with a wave length of 400 nm to 1% or less, and has high light resistance. The interlayer film for laminated glass comprises a thermoplastic resin, an ultraviolet absorber having a structure of formula (1), and an ultraviolet absorber having a structure of formula (2), wherein the amount of the ultraviolet absorber of formula (1) is 0.001 to 0.05% by weight, and the amount of the ultraviolet absorber of formula (2) is 0.5 to 1.0% by weight; wherein Ris a Calkyl group; Ris hydrogen, a Calkyl group, or a Caralkyl group; Ris hydrogen or a Calkyl group; and Ris hydrogen or a Calkyl group.

Interlayer for laminated glass, and laminated glass

An interlayer film for a laminated glass which reduces transmittance of ultraviolet rays having wavelength of 380 to 400 nm and has an excellent durability to light exposure, while maintaining high visible light transmittance. The interlayer film for a laminated glass comprises a thermoplastic resin and an indole compound having a structure represented by the following chemical formula 1: Wherein Rrepresents an alkyl group having 1-3 carbon atoms, and Rrepresents hydrogen, an alkyl group having 1-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms.

Interlayer film for laminated glass and laminated glass

A method for manufacturing a charge control agent comprising steps of: (in the chemical formula [1], &#x2014;Ar&#x2014; and &#x2014;Ar&#x2014; are aromatic groups) and a metal chelating agent to prepare an azo-type metal complex salt intermediate; (in the chemical formula [2], &#x2014;Ar&#x2014; and &#x2014;Ar&#x2014; are the same as the chemical formula [1]; M is a trivalent metal; Bis a cation except an ammonium ion; n is from 0.70 to 1.00).

Method for manufacturing charge control agent

The charge control agent comprises aggregate particles including an azo-type iron complex salt represented by the following chemical formula [VI] (in the chemical formula [VI], Bis (H)(Na)and x is mole ratio and 0.6 to 0.9, or Bis (H)(Na)and y is mole ratio and 0 to 0.2) and the aggregate particles have 0.5 to 5.0 microns of an average particle size. A toner for developing an electrostatic image comprises a resin for the toner and the charge control agent. An image formation process of electrophotography comprises a step for developing an electrostatic latent image on an electrostatic latent image frame by a developer including the toner.

Electric charge controlling agent, toner for developing electrostatic charge image containing the same, and method for forming image using the toner

A charge control agent of the present invention comprises aggregate particles of an azo-type iron complex salt represented by the following chemical formula [I] in the chemical formula [I], R&#x2014;, R&#x2014;, R&#x2014;, R&#x2014;, R&#x2014; and R&#x2014; are same or different to each other, n is 0.7 to 0.99,the aggregate particles have an average particle size of 1 to 4 microns and an average particle size of a primary particulate crystalline, that is fined the aggregate particles with ultrasonic irradiation, is at most 3 microns. A toner for developing an electrostatic image comprises a resin for the toner and the charge control agent.

Charge control agent and toner for electrostatic image development

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Neyagawa, Japan

Jun Hikata