采用水相沉淀聚合-原位法合成银/聚丙烯腈(Ag/PAN)复合物,通过测定其相对黏度,系统地考察了反应物配比对Ag/PAN复合物分了量的影响.得到较理想的合成条件为,丙烯腈(AN)单体浓度10％,AgNO3浓度0.6％,K2S2O8浓度2％.将所得复合物进行预氧化后得到纳米银/环化聚丙烯腈(Ag/C PAN)复合物.通过FTIR分析复合物的组成,并得到不同预氧化温度和时间下复合物的相对环化率.采用TEM、XRD等方法对复合物的微观结构进行表征.结果表明,纳米银均匀地分散于环化聚丙烯腈基体中,银粒子的晶型为面心立方,粒径约为10 nm.
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