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首页> 外文期刊>Polymers for advanced technologies >Preparation of polyaniline-sulfate salt by emulsion and aqueous polymerization pathway without using protonic acid
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Preparation of polyaniline-sulfate salt by emulsion and aqueous polymerization pathway without using protonic acid

机译：不使用质子酸通过乳液和水聚合途径制备聚苯胺硫酸盐

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摘要

Aniline was polymerized directly into polyaniline-sulfate salt without using protonic acid in this work. Polyaniline-sulfate salt was prepared by emulsion and aqueous polymerization pathways. The dopant i.e. sulfate ion in polyaniline-sulfate salt was generated from ammonium persulfate which was used for oxidizing aniline. Ammonium persulfate acts both as oxidizing agent as well as protonating agent in the polymerization process of aniline to polyaniline salt. The efficiency of oxidizing and protonating power of ammonium persulfate is increased by the use of surfactant. The activity of ammonium persulfate is further increased by the use of sulfuric acid as protonic acid. It may be necessary to consider the effect of sulfate ion which is generated during the oxidation process of aniline in the chemical polymerization of aniline to polyaniline salt by ammonium persulfate either aqueous or emulsion polymerization pathway in the presence of protonic acid/ functionalized pro tonic acid.
机译：在这项工作中，苯胺直接聚合成聚苯胺硫酸盐，而没有使用质子酸。聚苯胺硫酸盐是通过乳液和水性聚合途径制备的。掺杂剂，即聚苯胺硫酸盐中的硫酸根离子是由过硫酸铵产生的，该过硫酸铵用于氧化苯胺。过硫酸铵在苯胺到聚苯胺盐的聚合过程中既充当氧化剂又充当质子化剂。通过使用表面活性剂可以提高过硫酸铵的氧化和质子化能力。通过使用硫酸作为质子酸，过硫酸铵的活性进一步提高。可能有必要考虑在质子酸/官能化质子酸存在下，通过过硫酸铵在水溶液或乳液聚合途径中通过过硫酸铵将苯胺化学聚合成苯胺盐而在苯胺氧化过程中产生的硫酸根离子的作用。

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