申请人:Maruzen Petrochemical Co., Ltd.
公开号:EP2669029A1
公开(公告)日:2013-12-04
Provided are a metal nanoparticle composite which exhibits excellent stability over time and retention stability and is useful as a raw material for a metal nanoparticle-dispersed film, a method for producing the composite, a metal nanoparticle dispersion liquid, a composition for forming a metal nanoparticle-dispersed film, and a metal nanoparticle-dispersed film. Disclosed is a metal nanoparticle composite comprising (A) a star-shaped polymer having a central core and arms bonded to the central core, the arms comprising a repeating unit represented by the following formula (1) and a repeating unit represented by the following formula (2); and (B) metal nanoparticles supported thereon: wherein in the formula (1), R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and in the formula (2), R2 represents a methyl group or an ethyl group; and k represents an integer from 1 to 10.
本发明提供了一种金属纳米粒子复合材料,该复合材料具有优异的长期稳定性和保留稳定性,可用作金属纳米粒子分散膜的原料;还提供了一种生产该复合材料的方法、一种金属纳米粒子分散液、一种用于形成金属纳米粒子分散膜的组合物以及一种金属纳米粒子分散膜。公开了一种金属纳米粒子复合材料,包括(A)星形聚合物,该聚合物具有中心芯和与中心芯结合的臂,臂包括下式(1)代表的重复单元和下式(2)代表的重复单元;以及(B)支撑在其上的金属纳米粒子:其中,在式(1)中,R1代表氢原子或具有 1 至 4 个碳原子的烷基;在式(2)中,R2 代表甲基或乙基;以及 k 代表 1 至 10 的整数。