Positional Isomeric Effects on the Physicochemical Properties of Polymeric Matrix and Polymer@TiO2 Nanocomposites

被引：0
|
作者：
Al-Shehri, Badria M. [1 ]
Bekhoukh, Amina [2 ]
Benkhatou, Soumia [2 ]
Moulefera, Imane [3 ]
Khormi, Afaf Y. [1 ]
Hakami, Rabab A. [1 ]
Alelyani, Magbool [4 ]
Abdelkader, Jinan [5 ]
Benyoucef, Abdelghani [2 ]
Bakkour, Youssef [4 ]
机构：
[1] King Khalid Univ, Fac Sci, Dept Chem, POB 9004, Abha 61413, Saudi Arabia
[2] Univ Mustapha Stambouli Mascara, Water Sci & Technol Lab, Mascara 29000, Algeria
[3] Univ Murcia, Chem Engn Dept, Campus Univ Espinardo, Murcia 30100, Spain
[4] King Khalid Univ, Dept Radiol Sci, Coll Appl Med Sci, Abha 61421, Saudi Arabia
[5] Lebanese Univ, Fac Sci 3, Lab Appl Chem, Tripoli 1352, Lebanon
来源：
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 05期
关键词：
poly(o-anisidine); poly(p-anisidine); titanium dioxide; isomers; electrochemical properties; CONDUCTING POLYMER; POLYANILINE; COATINGS;
D O I：
10.3390/app14052106
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This study investigates the influence of positional isomerism on the physicochemical characteristics of polymeric matrices by examining polyo-anisidine (POA) and polyp-anisidine (PPA) in conjunction with TiO2 nanoparticles. The synthesis of POA@TiO2 and PPA@TiO2 involved chemical oxidative polymerization. X-ray diffraction analysis revealed the anatase structure of TiO2 nanoparticles. Transmission electron microscopy confirmed the successful integration of TiO2 nanoparticles within the polymer matrix. Moreover, FTIR and UV-Vis spectroscopy confirmed the effective interaction between the nanoparticle and the polymer. TGA indicated that POA@TiO2 exhibited a lower weight loss than PPA@TiO2 , suggesting an enhancement in thermal stability. Although the incorporation of TiO2 nanoparticles led to a reduction in the electrical conductivity of the pristine polymers (PPA and POA), the resultant nanocomposites retained high conductivities within the range of 0.08 to 0.34 S.cm(-1). Furthermore, the POA-based polymer matrix displayed promising electrochemical properties. Significantly, the adherence of the POA layer to TiO2 nanoparticles suggests potential practical applications.
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页数：11
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