Mitsubishi Chemical Corporation

Hiroyuki Fukuoka

Yoshikazu Saito

Makoto Moriya

Masaaki Kiura

Takahiro Mukuda

Masashi Serizawa

Atsushi Yoshizawa

Osamu Numata

Particles of an acrylic polymer comprising a constituent unit (A) derived from methyl methacrylate and a constituent unit (B) derived from a (meth)acrylic acid alkyl ester in which the alkyl group has 2 to 8 carbon atoms, wherein the particles having electrostatic buildup inhibition rate of 90 to 99.9&#xb0; as obtained by a specific method.

Acrylic polymer particles, production process therefor, ink composition, and coating composition

The present invention aims to provide an electrophotographic photoreceptor excellent in abrasion resistance and electrical properties, which uses polymers excellent in surface-active functions such as fluororesin dispersibility and electrical properties, and relates to an electrophotographic photoreceptor which contains a polymer containing a repeating unit represented by the following Formula (A1), provided that the definitions of X, X, Rto Rin Formula (A1), and Rin Formula (A2) are shown in the specification 

Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus

Particles of an acrylic polymer comprising a constituent unit (A) derived from methyl methacrylic acid and a constituent unit (B) derived from a (meth)acrylic acid alkyl ester in which the alkyl group has 2 to 8 carbon atoms, wherein the particles having electrostatic buildup inhibition rate of 90 to 99.9%.

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Tokyo, Japan

Hiroyuki Fukuoka