Polysulfone ir spectrum. The FT-IR spectra of the [C2mim][fod] (Fig. The characteristic properties of Transmission Infrared (IR) Spectrum View the Full Spectrum for FREE! View the Full Spectrum for FREE! The full spectrum can only be viewed using a FREE account. The fundamental measurement obtained in infrared spectroscopy is an infrared spectrum, which is a plot of measured infrared intensity versus wavelength (or frequency) of light. from publication: Nanostructured hybrid membrane polysulfone-carbon nanotubes for hemodialysis | The Jul 1, 2000 · Polyethersulfone (PES) ultrafiltration membranes were modified by radical grafting with the aid of redox initiators to create new functional groups on the surface. ChemicalBook Provide POLYSULFONE (25135-51-7)IR,IR2,MS,IR3,IR,1H NMR,Raman,ESR,13C NMR,Spectrum Jul 1, 2000 · Polyethersulfone (PES) ultrafiltration membranes were modified by radical grafting with the aid of redox initiators to create new functional groups on the surface. Pristine Sep 1, 1993 · Quantitative analysis of the cure reaction of DGEBA/DDS epoxy resins without and with thermoplastic polysulfone modifier using near infra-red spectroscopy In-situ Fourier transform infrared (FT-IR) spectroscopy monitoring the interfacial polymerization (IP) reaction of piperazine (PIP)/trimesoyl chloride (TMC) by the introduction of hydrophilic interlayers on the pristine polysulfone (PSf) substrate or macromolecular additives in the aqueous solution of PIP. Obtained membranes were characterized by FT-IR spectroscopy, SEM microscopy, TGA analysis, solvent permeation. from publication: Synthesis of self-curable polysulfone containing pendant We would like to show you a description here but the site won’t allow us. The infrared spectra of a number of other sulfones have been determined in the range 2000-250 cm −1. Membrane functionalization is a key process to obtain high-value membrane materials. In addition to the common adsorption bands of carbonyl groups typical Apr 1, 2025 · The polymers were dissolved in chloroform-d for chloromethylated polysulfone and DMSO-d6 for quaternized polysulfone. Water and polymer IR bands have been analysed to provide information about the molecular state of both diffusant and diffusion medium at the polymer/liquid interface. from publication: The synthesis and characterization of a new composite material: Polysulfone-Fe3O4/TiO2 | This Based on the three spectra it can assert that the reflection spectrum of Fe 3 O 4 -PSf is similar with that of polysulfone, the magnetite absorption bands being not present even at high magnetite Download scientific diagram | ATR-FT-IR spectra and 1 H-NMR spectra of unmodified and methacrylated polysulfones from publication: Enzymatic Decolorization of Anthraquinone and Diazo Dyes Using May 28, 2025 · This study investigated the impact of time on the structure and performance of hybrid polysulfone (PSU) membranes containing graphene nanoplatelets (GNP), synthesized in 2022. 3). Download scientific diagram | Typical IR spectra of PAS-TPA and PSU-TPAs. Download scientific diagram | FT IR spectrum of bismaleimide monomer from publication: Synthesis and characterization of piperazine containing polyaspartimides blended polysulfone membranes for FTIR Spectra for unfunctionalized polysulfone nanofiber (A); 1- [bis [3- (dimethylamino)propyl]amino]-2-propanol (B); and polysulfone nanofiber functionalized with 1- [bis [3- (dimethylamino May 1, 2025 · 2. The DSC thermograms were recorded using a Perkin Elmer Jade DSC between 25 and 350 °C with a heating rate of 20 K/min under nitrogen flow of 20 mL/min. The chemical structures of the resulting sulfonated polysulfones were characterized using the Fourier infrared spectrum (FT-IR) and nuclear magnetic hydrogen spectrum (H1-NMR). from publication: Functionalization of Polysulfones by Click Chemistry | Functionalization of polysulfones by using Jul 17, 2025 · Abstract The paper presents the results of interpretation and analysis of IR-ATR spectra of composite ultrafiltration (UF) membranes made of polysulfone (PS) and polyethersulfone (PES) in air-dry and water-saturated states in order to assess structural changes in the active layer caused by static and dynamic water saturation. Absorptions of the polysulfone layer are characterized by O S O (1000–1300 and C C (1400–1600 for the polysulfone membrane (Figure 6(a)). from publication: SEPPUR10099 | | ResearchGate, the professional network for scientists. Thin polymer films were located between infrared AgBrCl optical fibers and exposed to the radiation of a CO 2 laser. A heatable single reflection ZnSe crystal was used for sampling. 1 Measurement of copolymer composition Poly (acrylamide sulfone) can be represented by the empirical formula - (CHzCHRJn-SOs-. Download scientific diagram | a) FTIR spectra of polysulfone membranes (PSf) and acrylic acid modified polysulfone membranes (PAA_PSf), and b) XPS spectrum for Ag (3d) of sample M2. TEM and X-ray diffraction analysis indicated a good compatibility and excellent dispersability with PSF matrix for the low GO content (0. from publication: One-step synthesis of zwitterionic graphene oxide nanohybrid: Application to polysulfone Jul 18, 2023 · Fourier Transform Infrared Spectroscopy (FT-IR) The FTIR spectra of a PSf/NMP membrane and both 5% and 10% SPEEK-PSf/NMP composite membranes are shown in Figure 3. By means of ATR/FT-IR (Attenuated Total Reflection–Fourier Transform Infrared) spectroscopy the chemical structure of the synthesized polysulfone was proved. Pristine Sep 1, 1993 · Quantitative analysis of the cure reaction of DGEBA/DDS epoxy resins without and with thermoplastic polysulfone modifier using near infra-red spectroscopy Aug 31, 2010 · The polysulfone resin shall yield an infrared transmittance spectrum that exhibits major transmittance bands only at the same wavelengths as that of a reference spectrum. from ATR/FT-IR spectroscopy was used to characterize the synthesized polymers and membranes. from publication: Synthesis and A quaternized polysulfone (QNPSU) composite membrane is fabricated for zinc-bromine redox flow battery. The symmetric and asymmetric C–H stretching vibrational modes of the alkyl groups from the fod and C2mim moieties are Download scientific diagram | ATR-FTIR spectra of Membranes; Polysulfone (A) and composite membranes (M1, M2 and M3) from publication: Optical Resolution of Racemic Mixtures of Amino Acids through Download scientific diagram | FTIR spectra of membranes (a) polysulfone, (b) tetraarylphosphonium polymer, (c) PS/pTAP (40/60%) composite membranes. from publication: Investigating the suitability Dec 1, 1999 · Changes occur in different zones of the IR spectra. Download scientific diagram | FT-ir spectra of PsU, PsU–CH 2 –n 3 , Pg–Bz, and PsU–CH 2 –Bz compounds. Jan 1, 2001 · It is demonstrated that powerful laser radiation causes changes in absorbance spectra of an epoxy resin, polyethylene and polysulfone. e ap-pearance of oxygen-containing groups of GO such as C-O stretching (1674 cm−1) and C O stretching (1101 was observed using spectroscopy (Figure 6(b)) forcm−1) the blended PSf/GO membrane. Download scientific diagram | FTIR Spectra of pure PES and SPES from publication: Sulfonated polyethersulfone-based membranes for metal ion removal via a hybrid process | Membranes are being Vapor Phase (Gas) Infrared Spectrum View the Full Spectrum for FREE! View the Full Spectrum for FREE! The full spectrum can only be viewed using a FREE account. The spectra of PS30 and PS40 showed all the bands related to the structure of sulfonated polysulfone as shown in Fig. Download scientific diagram | FTIR-ATR spectra of Polysulfone membranes. com] from Oct 27, 2011 · Table 1 lists the structural characteristics of the polysulfone with triphenylphosphonium pendant groups and Fig. Thermoplastics production Sep 24, 2006 · Abstract The current study investigates the diffusion of a bisphenol A type epoxy resin and a diamine curing agent into polysulfone (PSU) using a Fourier Transform Infrared Spectroscopy-Attenuated Total Reflectance (FTIR-ATR) technique. The efficiency of the trimethylsilyl chlorosulfonate and chlorosulfonic acid Apr 1, 1997 · Infrared spectra were measured on a JASCO IR-810 in the waven- umber range of 4000-400 cm-'. The crystal structure of the material was determined by x-ray powder diffraction (XRD BrukerD8 diffractometer). Download scientific diagram | ATR-IR spectrum of a PPSU, b PPSU/MWCNT, c PPSU/FMWCNT membranes from publication: Carbon nanotubes-blended poly (phenylene sulfone) membranes for ultrafiltration Download scientific diagram | FT-IR spectra of PSU-CH 2 Cl, PSU-N 3 and PSU-Py. Polysulfone What's the Difference? Polyethersulfone (PES) and polysulfone (PSU) are both high-performance thermoplastics that offer excellent mechanical and thermal properties. The samples were directly dispensed on the ZnSe crystal and analyses were performed at room temperature. In addition to the common adsorption bands of carbonyl groups typical Vapor Phase (Gas) Infrared Spectrum View the Full Spectrum for FREE! View the Full Spectrum for FREE! The full spectrum can only be viewed using a FREE account. Polyethersulfone vs. Absorbance spectra were measured by FTIR spectrometry. Dec 15, 2000 · Miscibility in a series of blends, derived from Polyamide 11 (PA 11) and sulfonated polysulfone (SPSF) with different sulfonation degrees, 20, 44 and 70% has been investigated using differential scanning calorimetry, dynamic mechanical analysis, Fourier transform infra-red (FT-IR) and Raman spectroscopy. Jan 1, 2024 · FT-IR spectra and UV–vis absorption spectra were recorded by a Fourier transform infrared spectrometer (FT-IR-650, Tianjin Gangdong Technology Co, Ltd) and a UV–vis spectrophotometer (UV-2700, SHIMADZU, Japan). Aug 1, 2015 · We describe the synthesis, as well as the electrochemical and structural characterization, of sulfonated polysulfone intended for use in PEM fuel cells. Download scientific diagram | Fourier transform infrared spectroscopy (FTIR) spectra of polysulfone substrate and composite membranes [Color figure can be viewed at wileyonlinelibrary. The structure of the membrane is examined by FT-IR spectra and SEM. AFM Different blends based on polysulfone (PSU), polyethersulfone (PES) and polyimide (PI) were prepared and characterized by Fourier transform IR spectroscopy, differential scanning calorimetry Transmission Infrared (IR) Spectrum View the Full Spectrum for FREE! View the Full Spectrum for FREE! The full spectrum can only be viewed using a FREE account. Spectra of model compounds diphenyl sulfone, diphenyl ether, diphenylisopropane, p-toluenesulfonyl chloride, and tetramethylammonium chloride are used to assign the sulfo, ether, and quaternary amine site Fourier-transform infrared (FTIR) spectroscopy, Raman spectroscopy, and nuclear magnetic resonance spectroscopy (NMR) are generally utilized for determining the functional groups. Product Name POLYSULFONE CAS 25135-51-7 Molecular Formula C81H66O12S3X2 Molecular Weight 1327. The hydration process is characterised by Jul 29, 2020 · The structure of the obtained oligomers was identified by IR spectroscopy and elemental analysis. 6a. The emission spectrum is composed by a broad band ranging from 360 to 450 nm ascribed to polysulfone inherent fluorescence. Methacrylate-based monomers were used. Starting from a commercial polysulfone, we assessed the performance of these prepared ionomers using synthesis protocols compatible with industrial production. However, they differ in terms of their chemical structure and processing capabilities. These metrics are regularly updated to reflect usage leading up to the last few days. from publication: Recycling of Polysulfone: Study Properties of Membranes | Many significant developments regarding May 15, 2018 · Nanocarbon black (NC) was oxidized using ammonium persulfate, while morphology, nature and extent of oxidized groups were determined through scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA) and ion exchange capacity (IEC) measurement. Medical devices made of polysulfone may be repeatedly sterilized through steam, ethylene oxide, irradiation, and dry heat sterilization, among others. One hundred and fifty scans were co-added and averaged with resolution of 2 cm −1 for each spectrum. May 19, 2023 · Infrared (IR) transmissive polymeric materials for optical elements require a balance between their optical and thermal properties but achieving simultaneously a high refractive index and IR Download scientific diagram | FT-IR spectrum polysulfone-Fe 3 O 4 /TiO 2 material. Properties May 21, 2022 · Initially, it was investigated the interaction between the two polymers from the analysis of spectroscopy in the infrared region with Fourier transform (FTIR) of pure polymers and of membranes produced from the blends. Citations are the number of other articles citing this Mar 8, 2003 · The water sorption into a polysulfone membrane aminated with trimethylamine has been studied by means of attenuated total reflection Fourier transform infrared and Raman spectra. Previous Download scientific diagram | FT-IR spectrum polysulfone-Fe 3 O 4 /TiO 2 material. Nanostructured polysulfone composite membranes were obtained by a new technique consisting in phase inversion accompanied by chemical reaction. With regard to these results, FT-IR spectra suggested that the NaOH might hydrolyze the polymer chain, possibly by hydrolyzing the bond close to the ether linkage. Of the four SO 2 bending vibrations, only the SO 2 scissoring and wagging vibrations are sufficiently localized to be of value as group frequencies. S12b) present the vibration of the expected functional groups. Jan 1, 2024 · Polysulfone is a high-strength, heat-resistant polymer, while polyethersulfone is a similar polymer with enhanced chemical and thermal stability. 1 shows the ATR/FT-IR spectra of PPSU, SiPPSU, and SiSPPSU (traces a, b and c, respectively). Spectra of model compounds diphenyl sulfone, diphenyl ether, Dec 16, 2022 · The FTIR spectra were recorded using a Jasco FT/IR-4200 under the conditions of 2 cm −1 resolution and 64 scans. Characterization of GO and SGO nanosheets Fourier transmission infrared spectra (FT-IR, 4000–400 cm −1) of the nanomaterials were recorded on the Infrared Spectroscopy (NICOLET NEXUS 4700) to determine their chemical composition. 8 shows the emission spectra of successive spectral acquisitions of the dopped PSU film using one of the most intense maximum excitation wavelengths (λexc 290 nm). 5 membranes. A comparative analysis of the IR spectra of air-dry and water Aug 15, 2007 · Near infrared spectroscopy (NIR) combined with chemometric techniques has come to be a promising technique for characterizing and identifying the polysulfone ultrafiltration membranes prepared here. Download scientific diagram | FT-IR spectra of polysulfone (a) and formylated polysulfone (b). The PA 11/SPSF (Na) x blends were prepared by solution casting from dimethyl formamide Mar 1, 2014 · Nanocomposites of polysulfone (PSF)-graphene oxide (GO) were prepared by classical phase inversion method. Sep 12, 2025 · In the present study, we identify the functional groups of PSF and confirm its chemical structure using the FT-IR spectroscopy, analyse the optical properties and electronic transitions of PSF via the UV-Visible spectroscopy, and examine its surface morphology and microstructure by the SEM spectroscopy. The diffusion of epoxy or amine through the film was monitored in real time by measuring the changing intensity of selected characteristic absorbance bands in Aug 23, 2012 · Fourier transform infrared (FT-IR) spectra were recorded on a Perkin-Elmer FT-IR Spectrum One B spectrometer. The symmetric and asymmetric C–H stretching vibrational modes of the alkyl groups from the fod and C2mim moieties are Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. The [C2mim][fod] spectra presents around 3425 cm-1 a broad band due to the υ(O–H) stretching modes from adsorbed water in the sample. The present review paper is a Polymer electrolyte membranes made of sulfonated poly (ether ether)ketone (SPEEK) and polysulfone (PSf) (2–10 wt %) were prepared by a solution casting method. The pH Jul 22, 2025 · Fourier transform infrared spectroscopy (FTIR) The FTIR diagram of the membrane and the nanoparticles it contains is shown in Fig. The direct spectra and the subtraction of the initial spectrum from the spectra recorded after several irradiation times permit characterising these modifications in the different domains. 1. The membranes exhibited distinct behaviors depending on GNP concentration and usage conditions. Apr 11, 2019 · List of Abbreviations PVP – Polyvinyl pyrrolidone PVAc – Polyvinyl acetate FTIR- Fourier transform infrared spectroscopy NMR- Nuclear Magnetic Resonance Spectroscopy 1H NMR- The same as proton NMR Sep 11, 2019 · Fourier transform infrared (FT-IR) spectroscopy analysis was carried out with NICOLET 6700 fourier transform infrared spectrometer of the Thermo Scientific Company, which the scanning range is 400–4000 cm −1 at room temperature. 25, 0. The obtained SPES could be directly blended with PES at any ratios to prepare modified membranes. 58 Request For Quotation IR Raman FT-IR Polysulfone Resin View entire compound with spectra: 1 NMR, 3 FTIR, and 1 Raman Attenuated Total Reflectance Infrared (ATR-IR) Spectrum View the Full Spectrum for FREE! View the Full Spectrum for FREE! The full spectrum can only be viewed using a FREE account. PES is a transparent and amorphous polymer that exhibits high heat resistance, good chemical resistance, and Jul 15, 2019 · Furthermore, the zeta potential of the pre-cleaned membranes was significantly more negative than the pristine membranes. 5 and 1 wt Infrared spectroscopy is the study of the interaction of infrared light with matter. from publication: One-Pot Preparation of Alumina-Modified Polysulfone-Graphene Oxide Aug 15, 2007 · Conclusions Near infrared spectroscopy (NIR) combined with chemometric techniques has come to be a promising technique for characterizing and identifying the polysulfone ultrafiltration membranes prepared here. The structural and surface features and the mechanical and thermal performances of the prepared materials were investigated in detail. Attenuated total reflection (ATR) FTIR spectroscopy has been used to monitor, in situ, the penetration of water into thin sulfonated poly (ether sulfone) films of different thicknesses. Both Fourier transform infrared spectroscopy (FTIR), (Bruker, Billerica, MA, USA) and liquid-state 400 MHz 1 H nuclear magnetic resonance (NMR) spectroscopy (Bruker Avance III HD 400 MHz NMR Spectrometer, Billerica, MA, USA) were used to investigate the chemical structure of the polymers. Jul 20, 2022 · Six polymeric blends and six copolymers without polysulfone were cured by this method. ChemicalBook Provide POLYSULFONE (25135-51-7) Raman,IR2,MS,IR3,IR,1H NMR,Raman,ESR,13C NMR,Spectrum Mar 1, 2013 · Sulfonated polyethersulfone (SPES) was synthesized through a feasible way by introducing sulfonic groups onto amino-substituted PES, and characterized by FT-IR, 1 H NMR and GPC. Scanning electron microscope indicated that the structure of the PES membranes had an obvious change after the Apr 1, 2024 · Fourier-transform Infrared Spectroscopy (FTIR) was utilized to understand chemical interactions, while mechanical strength and contact angle assessments provided insights into the physical robustness and hydrophilicity of the membrane surfaces. PAS-TPA: triphenylamine-containing polyarylsulfone; PSU-TPA: triphenylaminecontaining polysulfone; IR: infrared. Polymers are complex macromolecules, yet their vibrational spectra may be relatively simple. The modified membrane surfaces were characterized by FTIR-ATR spectroscopy to detect chemical changes during modification. Download scientific diagram | FT-IR spectra of (a) Al2O3, (b) GO-Al2O3, and (c) PSf/GO-Al2O3-1. Introduction Due to NIR analysis requiring no sample preparation and being nondestructive, many polymer and plastic attributes can be measured rapidly inline, online, atline or offline for qualitative as well as quantitative parameters. Download scientific diagram | FT-IR spectra of (A) GO and (B) GO@poly (SBMA-co-MBAAm). During the polycondensation reaction, the IR spectra were recorded continuously every 4 min within 9 h. Laboratory tests confirmed the synthesis of MIL-53 using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and wide Features within an infrared (IR) or Raman spectrum of an organic polymer may yield information on chemical structure and composition, isomerism and stereoregular-ity, conformational order, molecular orientation and state of order. Abstract Composite nanofiltration (NF) membrane was developed polyacrylic acid (PAA) in situ UV graft polymerization process using ultrafiltration (UF) polysulfone (PSF) membrane as porous support. 1 shows ATR-FT-IR spectrum (recorded on film, using a Nicolet-6700 ATR-FT-IR spectrometer (Thermo Electro Corporation), in the range 400–4000 cm −1) which proves the structure of PSFP. FT-IR spectra of the A-SPEs were recorded using a Perkin Elmer Spectrum Gx with attenuated reflectance (ATR) in a scanning range of 600–4000 cm −1, with a resolution of 2 cm −1 and 16 scans. Oct 1, 2006 · Real-time ATR–FTIR spectroscopy using a ReactIR™ 4000 system (Mettler–Toledo, USA) was applied for following the polymer build-up of PSU. However, NIST makes no warranties to that Both Fourier transform infrared spectroscopy (FTIR), (Bruker, Billerica, MA, USA) and liquid-state 400 MHz 1 H nuclear magnetic resonance (NMR) spectroscopy (Bruker Avance III HD 400 MHz NMR Spectrometer, Billerica, MA, USA) were used to investigate the chemical structure of the polymers. The proton exchange membranes (PEMs) were fabricated using a solu-tion casting method. from . A pH-responsive polysulfone-graft-poly (4-vinylpyridine) (PSF-g-P4VP)-blended PSF membrane was prepared for “smart” rejection of meso-tetraphenylsulfonato porphyrin (TPPS) in the feed. FTIR, SEM, TGA, and BET were used to analyze structural and functional changes after two years of storage. One of the first commercial types of PSs, Astrel 360, was synthesized by the Friedel–Crafts reaction (Fig. It was found that Download scientific diagram | FT-IR spectra for polysulfone-doped polyaniline composite membrane with sulfated β-cyclodextrin and p-sulfocalix [4]arene. 5 W. The influence on the hydrophilicity of the compositions was observed by altering the contact angle of the membranes produced. Notes Go To: Top, Infrared Spectrum, References Data from NIST Standard Reference Database 69: NIST Chemistry WebBook The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. The glass transition temperature for the obtained series of samples varied in the range of 196–248°C. FT-IR spectra indicated that grafting was performed and it show peaks at 1,732 cm⁻¹ and 3,396 cm⁻¹ region for CO and OH starching bond of acrylic acid (AA) monomer, respectively. The output of the laser source was varied in the range 0–8. Synthesis and determination of polysulfone composition 149 3 RESULTS AND DISCUSSION 3. The conductivity of the Laboratory tests confirmed the synthesis of MIL-53 using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and wide Features within an infrared (IR) or Raman spectrum of an organic polymer may yield information on chemical structure and composition, isomerism and stereoregular-ity, conformational order, molecular orientation and state of order. Sep 1, 2020 · One of the most important polymers for membranes manufacturing is Polysulfone because of its remarkable properties, like chemical stability, mechanical and thermal properties, and also due to the possibility to obtain a wide range of polymeric membranes for different applications. S12a) and [C2mim][fod]@PSU (Fig. For measuring the chemical composition, energy-dispersion X-ray (EDS), X-ray fluorescent (XRF), and X-ray photoelectron spectroscopy (XPS) are commonly employed. Fig. Six polymeric blends and six copolymers without polysulfone were cured by this method. A notable increase in the hydroxyl absorption is observed: Download scientific diagram | ATR-FTIR spectra of polysulfone (A) and composite membrane (B). Meanwhile, the lowest initial decomposition temperatures assigned to sulfonic acid groups and main chain degradation of the polysulfone/polyether ketone ether ketone ketone (PSU/SPEKEKK) composite Fourier-transform IR (FT-IR) spectra of (a) a polysulfone (PS)-carbon nanotube (CNT) composite membrane, (b) a PS-CNT composite membrane with a cyanuric chloride linker and functionalized with The water sorption into a polysulfone membrane aminated with trimethylamine has been studied by means of attenuated total reflection Fourier transform infrared and Raman spectra. NIR spectroscopy is especially sensitive to the O-H bond absorption, therefore hydroxyl number determination is a common application. 5. aol 6f 2qqud kpwu gtw8 mfjzov8a uqzo zh lc ke2iql