Fourier-Transform Infrared Spectroscopy (FT-IR) Archives

CO2-blown microcellular non-isocyanate polyurethane (NIPU) foams: from bio- and CO2-sourced monomers to potentially thermal insulating materials

Author(s): B. Grignard, C. B. Park, C. Detrembleur, C. Jerome, J.-M. Raquez, J.-M. Thomassin, L. Bonnaud, L. Poussard, M.-P. Tran, P. Dubois, S. Gennen

Low-density microcellular non-isocyanate polyurethane (NIPU) foams were prepared using biological compounds and carbon dioxide. The morphology of these foams was investigated by scanning electron microscopy (SEM), and the thermal conductivity ...

Keywords: Amine Titration, Cyclic Carbonate Titration, differential scanning calorimetry, Differential scanning calorimetry (DSC), DMTA, DSC, Dynamic Mechanical Thermal Analysis, Dynamic Mechanical Thermal Analysis (DMTA), Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, NMR, Polyurethane Foams, Scanning Electron Microscope, Scanning electron microscope (SEM), SEM, Thermal Conductivity, thermal insulation, TPS, Transient Plane Source, Transient plane source (TPS) method

Thermal and electrical conductivity enhancement of graphite nanoplatelets on form-stable polyethylene glycol/polymethyl methacrylate composite phase change materials

Author(s): Jiaoqun Zhu, Jun Wang, Lei Zhang, Weibing Zhou, Yan Wang

Graphite nano-platelets (GnPs) were dispersed in polyethylene glycol (PEG)/polymethyl methacrylate (PMMA) to form a PEG/PMMA/GnPs composite organic form-stable phase change material. The effects of the incorporation of ...

Keywords: Compressive Strength, differential scanning calorimeter, Differential scanning calorimeter (DSC), DSC, Electrical Conductivity, FE-SEM, Field Emission Scanning Electron Microscopy, Field Emission Scanning Electron Microscopy (FE-SEM), Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, graphite, pcms, phase change materials, Polymer composites, Thermal Conductivity, thermal constant analyzer, Thermogravimetry, transient plane source method, X-ray Diffraction, X-ray diffraction (XRD), XRD

Experimental study of the thermal properties of composite stearic acid / coffee grounds / graphite for thermal energy storage

Author(s): Dihia Djefel, Gilles Lefebvre, Laurent Royan, Laurent Royon, Nacer Lamrous, Said Makhlouf, Souad Khedache

Composite phase change materials were prepared using stearic acid, coffee grounds, and graphite. The coffee grounds were used as a supporting material for the stearic acid, and the graphite was ...

Keywords: composites, differential scanning calorimeter, Differential scanning calorimeter (DSC), DSC, ESEM, Field Emission Scanning Electron Microscope, Field Emission Scanning Electron Microscope (ESEM), Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, graphite, pcms, phase change materials, Thermal Conductivity, Thermal Diffusivity, thermal energy storage

Effect of dispersion capability of organoclay on cellular structure and physical properties of PMMA/clay nanocomposite foams

Author(s): Chih-Bing Hung, Chih-Wei Peng, Hong-Ru Lin, Jui-Ming Yeh, Kung-Chin Chang, Mei-Chun Lai, Sheng-Chieh Hsu, Shyh-Shin Hwang

The authors prepared PMMA/clay composites by the in situ bulk polymerization method. The prepared composites were characterized by FT-IR, WAXRD, SEM, TEM, DMA and the transient plane source (TPS) ...

Keywords: Clay, DMA, Dynamic Mechanical Analysis, Dynamic Mechanical Analysis (DMA), Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, Gel Permeation Chromatography, Gel Permeation Chromatography (GPC), GPC, In Situ Bulk Polymerization, LCR Meter, nanocomposites, PMMA, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TEM, Thermal Conductivity, TPS, Transient Plane Source, Transient plane source (TPS) method, Transmission electron microscopy, Transmission electron microscopy (TEM), WAXRD, Wide-Angle X-Ray Diffraction, Wide-Angle X-Ray Diffraction (WAXRD)

A novel sebacic acid/expanded graphite composite phase change material for solar thermal medium-temperature applications

Author(s): Peng Qin, Shuangfeng Wang, Shuping Wang, Xiaohong Liu, Xiaoming Fang, Zhengguo Zhang

Sebacic acid (SA) can be absorbed into the pores of expanded graphite (EG) to form a SA/EG composite phase change material (PCM). There is no chemical interaction between the ...

Keywords: differential scanning calorimetry, Differential scanning calorimetry (DSC), DSC, Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, graphite, latent heat, Latent Heat Storage Systems, Melting Temperature, Packing Densities, pcms, phase change materials, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TGA, Thermal Conductivity, thermal energy storage, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), X-ray Diffraction, X-ray diffraction (XRD), XRD

Thermal and Rheological Properties of Microencapsulated Phase Change Materials

Author(s): C. Y. Zhao, G. H. Zhang

Microencapsulated phase change materials (MPCMs) are excellent materials for the storage of thermal energy, and through their dispersal into a carrier fluid, microencapsulated phase change slurries (MPCS) can be prepared. ...

Keywords: Cooling Systems, Crystallization Heat, Crystallization Temperature, density, diameter, differential scanning calorimetry, Differential scanning calorimetry (DSC), DSC, Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, Heat Storage, Heat Transfer, Light Diffraction, Melting Temperature, Microencapsulated, Microencapsulated Phase Change Slurry, Microencapsulated Phase Change Slurry (MPCS), MPCS, Particle Size Distribution, Particle Size Distribution (PSD), pcms, phase change materials, PSD, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Shear Stress, Specific Heat, TGA, Thermal Conductivity, thermal energy storage, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), viscosity

A New Class of Opacified Monolithic Aerogels of Ultralow High-Temperature Thermal Conductivities

Author(s): Shih-Yuan Lu, Te-Yu Wei, Yu-Cheng Chang

The main objective of this research project was to create a material with a very low thermal conductivity at high temperatures, for the conservation of energy in high temperature systems. ...

Keywords: Accelerated-Gelation Sol-Gel Process, Barrett-Joyner-Halenda, Barrett-Joyner-Halenda (BJH) pore volume, BET, BJH, Brunauer-Emmett-Teller, Brunauer-Emmett-Teller (BET), Carbon Nanofibers, density, Extinction Coefficients, FE-SEM, Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, High Temperature, Opacified Monolithic Aerogels, pore volume, porosity, Scanning Electron Microscopy, Scanning Electron Microscopy (FE-SEM), specific surface area, Supercritical Drying, TGA, Thermal Conductivity, thermal insulation, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), TPS Technique, Transient Plane Source, Transient plane source (TPS) method

Influence of core materials on thermal properties of melamine-formaldehyde microcapsules

Author(s): Fabien Salaun, Isabelle Vroman

A series of melamine-formaldehyde microcapsules were synthesized using an in-situ polymerization and subsequently characterized for their thermal and structural properties. SEM and FT-IR were used to investigate the structural properties ...

Keywords: differential scanning calorimetry, Differential scanning calorimetry (DSC), DSC, Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, In-Situ Polymerization, Intumescent Systems, Microcapsules, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Surface Morphology, TGA, Thermal Conductivity, Thermogravimetric Analysis, Thermogravimetric analysis (TGA)

Keyword: Fourier-Transform Infrared Spectroscopy (FT-IR)

CO2-blown microcellular non-isocyanate polyurethane (NIPU) foams: from bio- and CO2-sourced monomers to potentially thermal insulating materials

Thermal and electrical conductivity enhancement of graphite nanoplatelets on form-stable polyethylene glycol/polymethyl methacrylate composite phase change materials

Experimental study of the thermal properties of composite stearic acid / coffee grounds / graphite for thermal energy storage

Effect of dispersion capability of organoclay on cellular structure and physical properties of PMMA/clay nanocomposite foams

A novel sebacic acid/expanded graphite composite phase change material for solar thermal medium-temperature applications

Thermal and Rheological Properties of Microencapsulated Phase Change Materials

A New Class of Opacified Monolithic Aerogels of Ultralow High-Temperature Thermal Conductivities

Influence of core materials on thermal properties of melamine-formaldehyde microcapsules

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