摘要
以三氯化铁为氧化剂,在静态聚合条件下,分别制备了聚吡咯纳米粒子及聚吡咯-木质素磺酸空心球。采用扫描电子显微镜、透射电子显微镜、红外光谱、宽角X射线衍射对聚吡咯及聚吡咯-木质素磺酸的形貌和结构进行了表征。研究结果表明,木质素磺酸钠用量对聚吡咯的形貌有重大影响。在无木质素磺酸盐存在,三氯化铁/吡咯物质的量比为1.0,25℃去离子水中反应24 h时制备的聚吡咯为平均直径160 nm的球形纳米颗粒。而当木质素磺酸盐投料量为12.5%(质量分数,下同)时,可以获得外直径为180 nm～290 nm的聚吡咯-木质素磺酸空心球。
Polypyrrole nanoparticles and polypyrrole-lignosulfonate composite hollow spheres were prepared by unstirred polymerization of pyrrole with FeCl3 as an oxidant.The morphologies and structures of the polypyrrole nanoparticles and polypyrrole-lignosulfonate composite hollow spheres were characterized with scanning electron microscopy,transmission electron microscopy,Fourier transform infrared spectra（FT-IR）,and wide-angle X-ray diffractometry.It is found that the lignosulfonate content influences strongly on the morphology of the polypyrrole-lignosulfonate composites.Polypyrrole nanoparticles in mean diameters of 160 nm were prepared in deionized water at 25 ℃ for 24 h in the absence of lignosulfonate.However,Polypyrrole-lignosulfonate composite hollow spheres in outer diameters of 180 nm～290 nm were obtained when the lignosulfonate content was up to 12.5%.
出处
《高分子材料科学与工程》
EI
CAS
CSCD
北大核心
2011年第5期170-173,共4页
Polymer Materials Science & Engineering
基金
福州大学科技发展基金(2009-XQ-03)
