Tailoring of the self-organized structure of sulfonated polyaniline from a fibrillar network to a colloidal aggregate

Tushar Jana; Arun K. Nandi

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Tailoring of the self-organized structure of sulfonated polyaniline from a fibrillar network to a colloidal aggregate

机译：从纤维状网络到胶体聚集体的磺化聚苯胺自组织结构的定制

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Self-organized structures of the sodium salt of sulfonated polyaniline (prepared from the leucoemeraldine base of polyaniline) in the presence of a mixture of cationic and nonionic surfactants were studied. It was used in the latex form, which has been prepared using a conventional method with sodium dodecyl sulfate. The cationic surfactant used was didodecyl dimethyl ammonium bromide, and the nonionic surfactant used was Triton-X-100. The supramolecular organization was made in aqueous medium by varying the concentrations of the components. A three-dimensional fibrillar network and colloidal aggregate were produced due to the supramolecular organization. The thermal study indicated reversible first-order phase transition in the former cases fulfilling the criteria of thermoreversible gels. A probable explanation of the different morphology from the variation of charge density on the vesicle surface has been offered. The conductivity of fibrillar network is two orders higher than that of the colloidal aggregate.

机译：研究了在阳离子和非离子表面活性剂混合物存在下，磺化聚苯胺钠盐的自组织结构（由聚苯胺的亮翡翠碱制备）。它以乳胶形式使用，该乳胶形式已通过常规方法与十二烷基硫酸钠一起制备。所用的阳离子表面活性剂是十二烷基二甲基溴化铵，所用的非离子表面活性剂是Triton-X-100。通过改变组分的浓度在水性介质中形成超分子组织。由于超分子组织，产生了三维纤维状网络和胶体聚集体。热学研究表明，在以前的情况下，可逆的一级相变符合热可逆凝胶的标准。提供了可能的解释从囊表面电荷密度变化的不同形态。纤维状网络的电导率比胶体聚集体的电导率高两个数量级。

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来源
《Journal of Materials Research》 |2003年第7期|p.1691-1697|共7页
作者
Tushar Jana; Arun K. Nandi;
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作者单位

Polymer Science Unit, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Tailoring of the self-organized structure of sulfonated polyaniline from a fibrillar network to a colloidal aggregate

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