Ricoh Company, Ltd.

Natsuki Koike

Yoshitaka Sekiguchi

Mitsuyo Matsumoto

Yasushi Akiba

A resin composition is provided that comprises a resin and a phosphorus-based flame retardant. The resin includes a β-1,3-glucan derivative resin having a main chain having a structure represented by the following structural formula (1): where each of Rs is independently a hydrogen atom or an alkylcarbonyl group, at least one of Rs is an alkylcarbonyl group, and n is a natural number. The phosphorus-based flame retardant has an average particle diameter of 5 μm or less in the resin.

Resin composition, molded article, electronic component, and electronic device

A resin composition is provided. The resin composition comprises an acrylonitrile butadiene styrene resin, a polystyrene resin, a polycarbonate resin, and a phosphorus compound. The amount of the polystyrene resin is equal to or greater than the amount of the acrylonitrile butadiene styrene resin. The amount of the polycarbonate resin is from 70 to 90 parts by mass with respect to 100 parts by mass of all the resins. The phosphorus compound contains a phosphazene compound, and the amount of the phosphazene compound is from 0.1 to 4.0 parts by mass with respect to 100 parts by mass of all the resins.

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Kanagawa, Japan

Natsuki Koike