Proton conducting composite membranes based on poly(1-vinyl-1,2,4-triazole) and nitrilotri (methyl triphosphonic acid)

Gustian, Irfan; Çelik, Sevim Ünügür; Suratno, Wawang; Bozkurt, Ayhan

doi:10.1016/j.jpcs.2011.08.019

Cited by 13 publications

(8 citation statements)

References 21 publications

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“…A similar study of the interaction acid-base complex pair in proton conducting composite membranes based on poly(1-vinyl-1,2,4-triazole) and nitrilotri(methyl triphosphonicacid) has been reported by Gustian, et al [12]. Acid-base complex pair sulfonated polysulfone and Btri are shown in Figure 6.…”

Section: Ftir Studiessupporting

confidence: 71%

“…In the last decade, nitrogen-containing heterocycle compounds such as imidazole [7], benzimidazole [8,9] and triazole derivatives [10][11][12][13] have been reported to be promising protonic charge carriers in anhydrous state. Proton conduction in these systems may occur through a mechanism where protons are transferred by a hydrogen-bond breaking and forming process without the involvement of water acting as a carrier [7,14,15].…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of Polymer Electrolyte Membrane based on Acid-Base Complex Pair and Its Characteristics

Gustian

Çelik

Zainuddin³

et al. 2014

j.math.fund.sci.

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Abstract. In this work, acid-base complex pair polymer electrolyte membranes on sulfonated polysulfone with 1H-benzotriazole were investigated. Polysulfone was sulfonated in 1,2-dichloroethane using the homogeneous method with trimethylsilyl chlorosulfonate as sulfonating agent. The monomer mole ratio between polysulfone and trimethysilyl chlorosulfonate was 1:1.5. The sulfonated polysulfone was added with 1H-benzotriazole at mole ratios of x = 0.5 and x =1. The proton transfer from 1H-benzotriazole to the sulfonated polysulfone was measured using FTIR. Thermo-gravimetry analysis showed that the samples were thermally stable up to approximately 250°C and the maximum proton conductivity was found to be 3.34 x 10 -4 S cm -1 at 150°C.

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Section: Ftir Studiessupporting

confidence: 71%

Section: Introductionmentioning

confidence: 99%

Synthesis of Polymer Electrolyte Membrane based on Acid-Base Complex Pair and Its Characteristics

Gustian

Çelik

Zainuddin³

et al. 2014

j.math.fund.sci.

Self Cite

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“…Vinyl-1,2,4-triazole has previously been used to make proton conducting polymer membranes through combining poly(vinyl-1,2,4-triazole) with other polymers, such as poly(vinylphosphonic acid) and poly(styrenesulfonic acid), or by adding in acids such as triflic acid, p -toluenesulfonic acid, nitrilotri(methyltriphosphonic acid), or phosphoric acid . Copolymers of poly(vinyl-1,2,4-triazole) have been reported with 2-acrylamido-2-methyl-1-propanesulfonic acid, vinylphosphonic acid, 1-vinyl-4,5,6,7-tetrahydroindole, , N -vinylcarbazole, and diisopropyl- p -vinylbenzyl phosphonate .…”

Section: Resultsmentioning

confidence: 99%

Copolyampholytes Produced from RAFT Polymerization of Protic Ionic Liquids

et al. 2017

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Polyampholytic copolymers have been synthesized via reversible addition−fragmentation chain transfer (RAFT) polymerization of protic ionic liquid monomers. The monomers were prepared by acid−base proton exchange between acid and basic precursor conjugates, each containing one or more vinyl pendant groups. The polymerization, which was carried out without additional solvents present, led to high molecular weight glassy polymers, which were stable in the form of bulk viscous liquid ionic complexes. Various polyampholytes belonging to both linear and cross-linked families were prepared by judiciously varying the molecular structure of the acid precursor. Furthermore, by using solid-state NMR, the molecular arrangement of the polymeric backbone was identified, highlighting the presence of copolymers with both random and alternating copolymer chains which in the latter case involves a regularly alternating acid monomer, whereas the base occurs as a random sequence with the average and most probable number of monomers dictated by the stoichiometry used. The structural and mechanical properties of the resulting copolyampholytes were characterized by atomic force microscopy, peak-force quantitative nanomechanical analysis, differential scanning calorimetry, and small-angle X-ray scattering. These showed that the final polymers were essentially glassy and amorphous, with weak compositional fluctuations of the order of a few monomers and Young moduli in the range 1−3 GPa.

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“…In the studies [ 55 , 56 , 57 , 58 ], poly-1-vinyl-1,2,4-triazole (PVT) was produced by free radical polymerization of 1-vinyl-1,2,4-triazole and was doped with phosphoric acid and nitrilotri(methyl-triphosphonic acid) at various molar ratios. The synthesized PVT is thermally stable up to approximately 250 °C.…”

Section: Proton-conducting Membranes Based On 1-vinyl-124-triazole Ho...mentioning

confidence: 99%

Proton-Conducting Polymeric Membranes Based on 1,2,4-Triazole

Прозорова

Pozdnyakov

2023

Membranes

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In this review, a comparative analysis of the literature and our own results obtained in the study of the physicochemical, dielectric, and proton-conducting properties of composite polymer materials based on 1H-1,2,4-triazole has been carried out. It has been established that 1H-1,2,4-triazole and homopolymers and copolymers of 1-vinyl-1,2,4-triazole are promising for the development of proton-conducting fuel cell membranes. They significantly improve the basic characteristics of electrolyte membranes, increase their film-forming ability, increase thermal stability up to 300–330 °C, increase the electrochemical stability region up to 3–4 V, promote high mechanical strength and morphological stability of membranes, and provide high ionic conductivity (up to 10−3–10−1 S/cm) under anhydrous conditions at temperatures above 100 °C. There is also an improvement in the solubility and a decrease in the glass transition temperature of polymers based on 1-vinyl-1,2,4-triazole, which facilitates the processing and formation of membrane films. The results obtained demonstrate the uniqueness of 1H-1,2,4-triazole and (co)polymers based on 1-vinyl-1,2,4-triazole and the promise of their use for the creation of heat-resistant plastic and electrochemically stable, mechanically strong proton-conducting membranes with high ionic conductivity under anhydrous conditions and at high temperatures.

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Proton conducting composite membranes based on poly(1-vinyl-1,2,4-triazole) and nitrilotri (methyl triphosphonic acid)

Cited by 13 publications

References 21 publications

Synthesis of Polymer Electrolyte Membrane based on Acid-Base Complex Pair and Its Characteristics

Synthesis of Polymer Electrolyte Membrane based on Acid-Base Complex Pair and Its Characteristics

Copolyampholytes Produced from RAFT Polymerization of Protic Ionic Liquids

Proton-Conducting Polymeric Membranes Based on 1,2,4-Triazole

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