abstract |
A metal fine particle dispersant comprising a branched polymer compound having an ammonium group. The dispersing agent of the metal fine particles of the present invention is composed of a branched polymer compound containing an ammonium group and having a weight average molecular weight of 500 to 5,000,000, and the branched polymer compound has a structure represented by Formula (1). In addition, the composition of the present invention comprises the metal fine particle dispersant and the metal fine particles. |