DMA Archives - Thermtest Inc.

Physical study of room-temperature-cured epoxy/thermally reduced graphene oxides with various contents of oxygen-containing groups

Author(s): Chien-Hua Hsu, Jui-Ming Yeh, Kung-Chin Chang, Mei-Chun Lai, Min-Hsiang Hsu, Pei-Ju Liu, Tsao-Li Chuang, Wei-Ren Liu

Epoxy nanocomposites containing thermally reduced graphene oxides (TRGs) with different oxygen contents were prepared and their mechanical and thermal properties were investigated. It was found that increasing the number of ...

Keywords: DMA, Dynamic Mechanical Analysis, Dynamic Mechanical Analysis (DMA), Epoxy, Fourier transform infrared spectroscopy (FTIR), Fourier-Transform Infrared Spectroscopy, FTIR, graphene, nanocomposites, Polymer composites, TEM, Tensile Tests, TGA, Thermal Conductivity, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), TPS Technique, Transient Plane Source, Transient plane source (TPS) method, Transmission electron microscopy, Transmission electron microscopy (TEM), X-ray photoelectron spectroscopy, X-Ray Photoelectron Spectroscopy (XPS), XPS

Processing of polyurethane/carbon nanotubes composites using novel minimixer

Author(s): A. Khan, F. Piscitelli, H. Benkreira, H. S. Xia, M. Lavorgna, P. Coates, R. Patel, Y. H. Zhan

Polytetramethylene ether glycol (PTMEG) was used to functionalize multi-walled carbon nanotube (MWNT) by grafting to produce MWNT-g-PTMEG. These functionalized nanotubes were then dispersed in thermoplastic polyurethane (TPU) to form a ...

Keywords: Carbon nanotubes, CNTs, differential scanning calorimeter, Differential scanning calorimeter (DSC), DMA, DSC, Dynamic Mechanical Analysis, Dynamic Mechanical Analysis (DMA), Fillers, Fourier transform infrared spectroscopy (FTIR), Fourier-Transform Infrared Spectroscopy, FTIR, mechanical properties, nanocomposites, Polyurethane, SAXS, Scanning Electron Microscope, Scanning electron microscope (SEM), SEM, Small-Angle X-Ray Scattering, Small-Angle X-Ray Scattering (SAXS), TGA, Thermal Conductivity, thermal constant analyser, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), WAXS, Wide Angle X-Ray Scattering, Wide Angle X-Ray Scattering (WAXS)

Influences of template concentration and epoxy functionality on porous epoxy systems: Characteristics of thermal stability, optical, dielectric, and mechanical properties

Author(s): Chang-Jian Weng, Chung-Feng Dai, Jui-Ming Yeh, Pei-Ru Li

Porous epoxy thermosets were prepared using poly(ethylene glycol) (PEG) as a template. The two epoxies that were used to make the porous thermosets were diglycidylether bisphenol-A (DGEBA), and triphenylolmethane ...

Keywords: Dielectric Permittivity, differential scanning calorimeter, Differential scanning calorimeter (DSC), DMA, DSC, Dynamic Mechanical Analyzer, Dynamic Mechanical Analyzer (DMA), Epoxy, Fourier transform infrared spectroscopy (FTIR), Fourier-Transform Infrared Spectroscopy, FTIR, Hot Disk Thermal Constants Analyzer, Mercury Porosimetry, polymers, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM

Evaluation of Morphological Effect on Thermal and Mechanical Performance of PS/PMMA/CdS Nanocomposite Systems

Author(s): K. B. Sharma, Kananbala Sharma, Vishal Mathur

The thermal and mechanical properties of PS/PMMA immiscible polymer blends were investigated. The effects of the dispersion of CdS nanoparticles on these properties were also investigated. The dispersion of ...

Keywords: DMA, Dynamic Mechanical Analyzer, Dynamic Mechanical Analyzer (DMA), Glass Transition Temperature, Hot Disk Thermal Constants Analyzer, nanocomposites, Polymer composites, SAXS, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Small-Angle X-Ray Scattering, Small-Angle X-Ray Scattering (SAXS), Thermal Conductivity, Thermal Diffusivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, WAXS, Wide Angle X-Ray Scattering, Wide Angle X-Ray Scattering (WAXS)

Enhancement of physical properties of electroactive polyimide nanocomposites by addition of graphene nanosheets

Author(s): Chien-Hua Hsu, Hsin-I Lu, Jui-Ming Yeh, Kuan-Yeh Huang, Kung-Chin Chang, Mei-Chun Lai, Tsao-Li Chuang, Wei-Ren Liu, You-Rong Hsiao

The thermal imidization method was used to prepare an electroactive polyimide/graphene nanocomposite (EPGN) material membrane. It was determined that the composites that were formed had improved mechanical strength, thermal ...

Keywords: CV, Cyclic Voltammetry, Cyclic Voltammetry (CV), differential scanning calorimetry, Differential scanning calorimetry (DSC), DMA, DSC, Dynamic Mechanical Analysis, Dynamic Mechanical Analysis (DMA), Fourier transform infrared spectroscopy (FTIR), Fourier-Transform Infrared Spectroscopy, FTIR, graphene, nanocomposites, Polymer composites, TEM, TGA, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), TPS Technique, Transient Plane Source, Transient plane source (TPS) method, Transmission electron microscopy, Transmission electron microscopy (TEM)

Influence of the Presence and Amount of Metal Nanoparticles on the Thermal and Mechanical Properties of iPP/Soft Paraffin Wax Phase Change Materials for Thermal Energy Storage

Author(s): Mamohanoe Patricia Molaba

Nanocomposite phase change materials (PCMs) were prepared by adding silver nanoparticles to isotactic polypropylene (iPP) and an iPP/paraffin wax phase change materials. The Ag nanoparticles were found to be ...

Keywords: differential scanning calorimetry, Differential scanning calorimetry (DSC), DMA, DSC, Dynamic Mechanical Analysis, Dynamic Mechanical Analysis (DMA), Electrical Conductivity, Fillers, Hot Disk Technique, nanocomposites, Nanoparticles, pcms, phase change materials, TEM, Thermal Conductivity, thermal energy storage, Transient Plane Source, Transient plane source (TPS) method, Transmission electron microscopy, Transmission electron microscopy (TEM)

Systematically comparative studies on the preparation and physical properties of PMMA–silica mesocomposite and nanocomposite membranes

Author(s): Chang-Jian Weng, Jui-Ming Yeh, Kuan-Yeh Huang, Li-Ting Huang, Tzu-Hua Cheng, Yen Wei

PMMA/silica mesocomposites (PSM) and nanocomposites (PSN) were synthesized by incorporating vinyl-modified mesoporous silica (VMS) or silica particles into the poly (methyl methacrylate). The prepared composites were characterized by TEM ...

Keywords: AFM, atomic force microscopy, Atomic Force Microscopy (AFM), differential scanning calorimetry, Differential scanning calorimetry (DSC), DMA, DSC, Dynamic Mechanical Analysis, Dynamic Mechanical Analysis (DMA), FT-IR, Gel Permeation Chromatography, Gel Permeation Chromatography (GPC), GPC, Hot Disk Thermal Constants Analyzer TPS, MAS-NMR, nanocomposites, TEM, TGA, Thermal Conductivity, Thermal Gravimetric Analysis, Thermal Gravimetric Analysis (TGA), Transmission electron microscopy, Transmission electron microscopy (TEM)

Mechanical and thermal characterization of cis-polyisoprene and trans-polyisoprene blends

Author(s): K. B. Sharma, Kananbala Sharma, Mahesh Baboo, Manasvi Dixit, N. S. Saxena, Narendra S. Saxena

The mechanical and thermal properties of blends of cis-polyisoprene (CPI) and trans-polyisoprene (TPI) are investigated and compared to those of the pure elastomers. It was found that the elastic modulus ...

Keywords: DMA, Dynamic Mechanical Analyzer, Dynamic Mechanical Analyzer (DMA), Elastomers, Polymer composites, Specific Heat, Thermal Conductivity, Thermal Diffusivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, Wide Angle X-Ray Scattering

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)

Latex and two-roll mill processing of thermally-exfoliated graphite oxide/natural rubber nanocomposites

Author(s): Jeffrey R. Potts, Ling Du, Om Shankar, Rodney S. Ruoff, Shanthi Murali

Thermally Exfoliated Graphite Oxide (TEGO) was mixed with natural rubber (NR) using a two-roll mill but the mixing of the TEGO with the NR didn't proceed as expected. Therefore the ...

Keywords: DMA, Dynamic Mechanical Analysis, Dynamic Mechanical Analysis (DMA), Electrical Conductivity, graphite, Modified Hummers Method, nanocomposites, Polymer composites, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Surface Area To Volume Ratio, TEGO, TEM, Thermal Conductivity, Thermally Exfoliated Graphite Oxide, Thermally Exfoliated Graphite Oxide (TEGO), Transient Hot Disk Method, Transmission electron microscopy, Transmission electron microscopy (TEM), Two-Roll Prep Mill, Ultrasonication, Uniaxial Tensile Testing, Wabash Hot Press, WAXS, Wide Angle X-Ray Scattering, Wide Angle X-Ray Scattering (WAXS), XPS Analysis

Keyword: DMA

Physical study of room-temperature-cured epoxy/thermally reduced graphene oxides with various contents of oxygen-containing groups

Processing of polyurethane/carbon nanotubes composites using novel minimixer

Influences of template concentration and epoxy functionality on porous epoxy systems: Characteristics of thermal stability, optical, dielectric, and mechanical properties

Evaluation of Morphological Effect on Thermal and Mechanical Performance of PS/PMMA/CdS Nanocomposite Systems

Enhancement of physical properties of electroactive polyimide nanocomposites by addition of graphene nanosheets

Influence of the Presence and Amount of Metal Nanoparticles on the Thermal and Mechanical Properties of iPP/Soft Paraffin Wax Phase Change Materials for Thermal Energy Storage

Systematically comparative studies on the preparation and physical properties of PMMA–silica mesocomposite and nanocomposite membranes

Mechanical and thermal characterization of cis-polyisoprene and trans-polyisoprene blends

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

Latex and two-roll mill processing of thermally-exfoliated graphite oxide/natural rubber nanocomposites

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