Thermo-Responsive Polypyrrole-Palladium NanocompositeParticles Synthesized by Aqueous Chemical OxidativeDispersion Polymerization
Thermo-Responsive Polypyrrole-Palladium NanocompositeParticles Synthesized by Aqueous Chemical OxidativeDispersion Polymerization
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水相化学氧化分散聚合合成热响应性聚吡咯-钯纳米复合粒子
DOI：
10.11618/adhesion.51.255
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
S. Fujii
中科院分区：
文献类型：
--
作者：
Hiroaki Takeoka;Shizuka Wada;S. Yusa;S. Sakurai;Y. Nakamura;S. Fujii
以聚苯乙烯磺酸钠-嵌段-聚（N-异丙基丙烯酰胺）为胶体稳定剂，采用PdCl 2为氧化剂，通过水相化学氧化分散聚合方法，一步合成了温敏性聚吡咯-钯（PPy-Pd）纳米复合粒子。PPy-Pd纳米复合材料颗粒的数均直径约为20 nm，成功地获得了胶体稳定的水分散体，这是稳定的至少6个月。所得的纳米复合材料颗粒在水介质中的存在下，在额外的盐，屏幕的纳米复合材料颗粒的表面电荷的热响应性絮凝行为。
Aqueous chemical oxidative dispersion polymerizations of pyrrole using PdCl 2 oxidant were conducted using sodium poly(styrene sulfonate)-block-poly(N-isopropyl acrylamide) as a colloidal stabilizer in order to synthesize thermo-responsive polypyrrole-palladium (PPy-Pd) nanocomposite particles in one step. PPy-Pd nanocomposite particles with number-average diameters of approximately 20 nm were successfully obtained as colloidally stable aqueous dispersions, which were stable at least for 6 months. The resulting nanocomposite particles showed themo-responsive flocculation behavior in aqueous media in the presence of additional salts, which screen surface charge of the nanocomposite particles.