PROBLEM TO BE SOLVED: To provide an aqueous resin particle dispersing body suitably used for an inkjet receiving coating agent with which a favorable image grade can be obtained, its manufacturing method, the coating agent containing the aqueous resin particle dispersing body, and an inkjet recording paper coated with the coating agent.;SOLUTION: This aqueous dispersing body is a polyester aqueous resin particle dispersing body containing polyester resin particles having the volume mean diameter of 500 nm to 10 μm dispersed in a queous medium. The polyester resin possesses together alkyl group and/or alkenyl group and carboxyl group, has the glass transition temperature of 50 to 70°C, is obtained by neutralizing some part or the whole of the carboxyl group in the polyester resin with the weight average molecular weight of 3,000 to 100,000 and is used for the inkjet receiving coating agent. Its manufacturing method, the inkjet receiving coating agent containing the dispersing body, and the recording paper coated with the coating agent are provided.;COPYRIGHT: (C)2004,JPO
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