Polymerization of pyrrole into track membranes

Zhitariuk, N.I.; Moël, A. Le; Mermilliod, N.; Trautmann, C.

doi:10.1016/0168-583x(95)00556-0

Cited by 13 publications

(7 citation statements)

References 14 publications

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“…The surface density of PPy ρ s was calculated for each strip using Eq. (5). Figure 3 shows the distribution of PPy across the height of the membrane.…”

Section: Resultsmentioning

confidence: 97%

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Structure of Conducting Polymer Films Prepared on the Surface and in the Pores of Poly(ethylene terephthalate) Track Membranes by Template Synthesis

et al. 2005

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The results of a structural study of conducting polymer coatings deposited onto poly(ethylene terephthalate) (PET) track membranes by template synthesis are reported. The following aspects of the quality of polymer coatings were studied: the ratio between film and granular polymers, the polymer distribution over the surface of track membranes, and the thickness of polymer layers on the opposite sides of track membranes. The fraction of granular polypyrrole (PPy) on the surface and in the pores of a film increased with pore diameter. A decrease in the polymerization temperature decreased the amount of granular PPy on the surface of membranes, whereas the effect of granular PPy on the water permeability of track membranes remained unchanged. A more homogeneous distribution of PPy over the surface of track membranes can be obtained by density equalization of reacting solutions; however, the fraction of granular PPy on the membrane surface increased in this case. It was found that polymer coatings on the two sides of the surface of a membrane template had different thicknesses. Poly( N -methylpyrrole) completely covered only one side of a track membrane facing a monomer solution.

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“…The surface density of PPy ρ s was calculated for each strip using Eq. (5). Figure 3 shows the distribution of PPy across the height of the membrane.…”

Section: Resultsmentioning

confidence: 97%

“…The following nano-and microfiltration membranes are used as templates: poly(ethylene terephthalate) (PET) [5] and polycarbonate [6] track membranes and aluminum membranes [7]. Conducting polymer coatings on the surface of membranes [8] and micro-and nanotubes or microand nanofibers within pores [5,6,9,10] are prepared using template synthesis.…”

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confidence: 99%

Structure of Conducting Polymer Films Prepared on the Surface and in the Pores of Poly(ethylene terephthalate) Track Membranes by Template Synthesis

et al. 2005

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“…Py and PyCOOH copolymerisation onto PC track-etched membranes (Waters) were performed using the diaphragmatic method described by Zhitariuk et al 1,9 . The two- The initial and the modified membranes were weighed to determine the weight of the final copolymer on the matrix membranes.…”

Section: Methodsmentioning

confidence: 99%

“…Polypyrrole, PPy, is insoluble and infusible which restricts its processability. To overcome these restrictions, Zhitariuk and co-workers 1 proposed an original way of designing PPy microstructured membranes using track-etched polymer matrix 2 . These membranes proved to be an important device in the field of ultra-filtration and synthetic membranes 3 .…”

Section: Introductionmentioning

confidence: 99%

New sulfonated pyrrole and pyrrole 3-carboxylic acid copolymer membranes via track-etched templates

Clochard¹,

Baudin²,

Betz³

et al. 2006

Reactive and Functional Polymers

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International audienceNew copolymers of polypyrrole and poly(3-carboxylic acid pyrrole) have been synthesized via a diaphragmatic method using a track-etched polycarbonate matrix. The presence of carboxylic acid substituents enables the introduction of new functionalities such as sulfonate groups. The resulting copolymer membranes with tubules microstructure have been characterized through scanning electron microscopy, X-ray photoelectron spectroscopy, time-of-flight secondary ion mass spectrometry and FT-IR. By SEM, it was observed that ion-track trajectories can cross. XPS, ToF-SIMS and FT-IR spec-troscopy showed that it was possible to attach other molecules to the membrane. The polypyrrole copolymer membranes have exceptional thermal stabilities, with decomposition observed at 900 °C

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“…Track membranes have also been used as templates for the synthesis of nanopolymeric materials, which, in particular, possess membrane properties [3,4]. However, research in this area of iontrack technology is in its infancy and many kinetic and structural features of the formation of polymeric microand nanostructures on polymer templates, as well as the physicochemical and other properties of micro-and nanopolymers synthesized, are still poorly known.…”

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confidence: 99%

Use of poly(ethylene terephthalate) track membranes as template matrices for the preparation of polymeric nanomaterials based on polypyrrole and poly(N-methylpyrrole)

Dobretsova

Ermolaev

Jitariouk³

et al. 2005

High Energy Chem

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Ion-track nanotechnologies for the formation of micro-and nanostructures from various materials, in particular, metals and alloys as nanowires and microtubes, with the use of polymer track membranes as template matrices have received increasing attention in the last few years [1,2]. Track membranes have also been used as templates for the synthesis of nanopolymeric materials, which, in particular, possess membrane properties [3,4]. However, research in this area of iontrack technology is in its infancy and many kinetic and structural features of the formation of polymeric microand nanostructures on polymer templates, as well as the physicochemical and other properties of micro-and nanopolymers synthesized, are still poorly known. Therefore, systematic studies aimed at determining the general features of the polymerization of structurally different monomers on polymer templates, as well as studies on the structure and properties of micro-and nanopolymeric materials thus prepared, are of undoubted scientific and practical interest for the development of this area of ion-track nanotechnology.In this paper, we report preliminary results concerning the polymerization of monomers, such as pyrrole and N -methylpyrrole, on poly(ethylene terephthalate) (PET) membranes with micron-sized pores (1.2-5 µ m). The structure and properties of nanopolymeric membranes synthesized from these monomers were also studied. Note that conducting nanopolymeric materials can be prepared from polypyrrole and its derivatives.These materials can find various applications in technology and medicine, for example, as biosensors [5][6][7]. EXPERIMENTALTrack membranes based on PET films of 10-12 µ m in thickness with various initial parameters (pore diameter d , pore length l , and porosity δ ) (Table 1) were taken as templates. The PET track membranes were obtained in the Flerov Laboratory of Nuclear Reactions at the Joint Institute for Nuclear Research (Dubna). The polymer films were irradiated with accelerated multicharged ions of xenon with an energy of 1 MeV/nucleon on a U-400 cyclotron (fluence of 2 × 10 8 cm -2 ); next, the films were irradiated with UV light at λ ≥ 300 nm in air for 60 min at room temperature. Thereafter, the films were subjected to alkali etching in 3 M NaOH at 338 K for 30 min [8,9].Abstract -The oxidative polymerization of pyrrole and N -methylpyrrole with the use of template synthesis on poly(ethylene terephthalate) (PET) track membranes was studied. By scanning electron microscopy (SEM), it was found that a polymer film was formed on the surface of membranes and on the walls of membrane pores. The rates of polymerization on the surface of membranes and pore walls, as well as the yield and structure of the polymer film, depend on the membrane parameters (pore length and diameter and membrane porosity), the chemical structure of the monomer, the diffusion of polymerized solutions through template pores, and the temperature.

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Polymerization of pyrrole into track membranes

Cited by 13 publications

References 14 publications

Structure of Conducting Polymer Films Prepared on the Surface and in the Pores of Poly(ethylene terephthalate) Track Membranes by Template Synthesis

Structure of Conducting Polymer Films Prepared on the Surface and in the Pores of Poly(ethylene terephthalate) Track Membranes by Template Synthesis

New sulfonated pyrrole and pyrrole 3-carboxylic acid copolymer membranes via track-etched templates

Use of poly(ethylene terephthalate) track membranes as template matrices for the preparation of polymeric nanomaterials based on polypyrrole and poly(N-methylpyrrole)

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