磷酸锆/纤维状磷酸铈纳米复合膜自负载苯并咪唑及其共苯胺、共吡咯和共吲哚聚合剂

S. Shakshooki, F. A. Elakari, A. M. Shaabani
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引用次数: 0

摘要

制备了纳米磷酸锆和纳米纤维状磷酸铈,分别为Zr(HPO4)2.H2O(nZrP)和Ce(HPO4)2.2.9H2O (nCePf)。分别以25:75 wt/wt%的混合比例混合(nZrP和nCePf)浆液水溶液,形成新型的磷酸锆-纤维状磷酸铈纳米复合膜[Zr(HPO4)2]0.25[Ce(HPO4)2]0.75.3.87H2O(nZrP- ncepf)。通过还原(nZrP-nCePf)纳米复合膜无机基质中的Ce(iv)离子,将苯并咪唑及其共单体在醇中原位化学氧化聚合,制备了磷酸锆-纤维状磷酸铈/聚苯并咪唑-聚苯并咪唑-共聚苯胺/聚苯并咪唑-共聚吡啶/聚苯并咪唑-共聚吲哚纳米复合膜。一种可能的解释是,存在于复合膜表面的nCePf被苯并咪唑及其共单体攻击,转化为正磷酸铈(CePO4)。通过元素(C,H,N)分析,FT-IR和扫描电子显微镜(SEM)对所得材料进行了表征。所得纳米复合材料的SEM图像显示,聚苯并咪唑及其共聚物在无机基体上均匀分布。通过元素(C,H,N)分析发现(nZrP-nCePf)/PBI复合材料中有机物质(PBI)的含量= 5.7%。共聚物中有机物质的含量为(nZrP-nCePf)/PBI-co-PANI (PBI = 9.33%, PANI= 13.32%)。(nZrPnCePf) /PBI -co-PPy (PBI = 12.85%, PPy = 7.1%, wt)和(nZrPnCePf) /PBI-co-PIn (PBI = 16.47%, PIn = 8.81%, wt)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Zirconium Phosphate/Fibrous Cerium Phosphate Nanocomposite Membrane Self Supported Benzimidazole, Its Co-Aniline, Co-Pyrrole and Co-Indole Polymerization Agent
Nanosized zirconium phosphate and nano fibrous cerium phosphate , Zr(HPO4)2.H2O(nZrP) , Ce(HPO4)2.2.9H2O (nCePf), respectively, were prepared and characterized. Mixing slurry aqueous solution of (nZrP and nCeP f ) in 25:75 wt/wt% mixing ratios) , respectively, lead to formation of novel zirconium phosphatefibrous cerium phosphate nanocomposite membrane, [Zr(HPO4)2]0.25[Ce(HPO4)2]0.75.3.87H2O(nZrP-nCePf), was characterized. Zirconium phosphate-fibrous cerium phosphate/ polybenzimidazole-/polybenzimidazolee-co-polyaniline/polybenzimidazole-co-polypyrrole-/polybenzimidazole-co-polyindole nanocomposite membranes were prepared via in-situ chemical oxidation polymerization of the benzimidazole, and its co-monomers in alcohol, that was promoted by the reduction of Ce(iv) ions present in the inorganic matrix of (nZrP-nCePf ) nanocomposite membrane. A possible explanation is nCePf , present on the surface of composite membrane, is attacked by benzimidazole and its co-monomers , converted to cerium(III) orthophosphate(CePO4). The resultant materials were characterized by elemental (C,H,N) analysis , FT-IR, and scanning electron microscopy(SEM) .. SEM images of the resulting nanocomposites reveal a uniform distribution of the polybenzimidazole and its co-polymers on the inorganic matrix. From elemental (C,H,N) analysis the amount of organic material (PBI) present in (nZrP-nCePf)/PBI composite found to be = 5.7% in wt.. T.he amount of organic materials present in copolymers found to be for (nZrP-nCePf)/PBI-co-PANI (PBI = 9.33%, PANI= 13.32% in wt)., for (nZrP-nCePf) /PBI -co-PPy (PBI = 12.85%, PPy = 7.1% in wt) , and for (nZrPnCePf) /PBI-co-PIn ( PBI = 16.47% , PIn = 8.81% in wt).
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