thermal insulation Archives

Monodisperse Hollow Silica Nanospheres for Nano Insulation Materials: Synthesis, Characterization, and Life Cycle Assessment

Author(s): Arild Gustavsen, Bjorn Petter Jelle, Linn Ingunn C. Sandberg, Tao Gao

This article reported on the synthesis, characterization, life cycle assessment (LCA) of nano insulation materials (NIMs) that are made of hollow silica nanospheres (HSNSs). The transient plane source (TPS) technique ...

Keywords: embodied energy, Hollow silica nanospheres, life cycle assessment, Nano Insulation Materials, Thermal Conductivity, thermal insulation, Transient plane source (TPS) technique

Mechanical and thermal performance of concrete and mortar cellular materials containing plastic waste

Author(s): Alberto López-Gil, Alfonso Fernández, Angel Arranz, Antolín Lorenzana, Daniel Velasco Nieto, Jose Antonio de Saja, José Luis Ruiz-Herrero, Miguel-Ángel Rodríguez-Pérez, Sonia Merino

The expanding production of polymeric materials is causing plastic waste to become a growing concern. This study aimed to fabricate cement and mortar composites that contained plastic in an attempt ...

Keywords: Cellular Solids, concrete, Induced porosity, Mortar, Plastic waste, Reused materials, Thermal Conductivity, thermal insulation, Transient plane source (TPS), Transient plane source (TPS) method

Flame Retardant, Heat Insulating Cellulose Aerogels from Waste Cotton Fabrics by in Situ Formation of Magnesium Hydroxide Nanoparticles in Cellulose Gel Nanostructures

Author(s): Canhui Lu, Xiaodong Wu, Xinxing Zhang, Yangyang Han

Aerogels are promising thermal insulators because of their low thermal conductivity, durability and eco-friendly nature. However, aerogels become a problem because of their highly flammable properties. In this study, flame ...

Keywords: Aerogel, Cellulose aerogel, Flame retardant, Heat insulating, Nanoparticles, Template, Thermal Conductivity, thermal insulation, Transient Plane Source, Transient plane source (TPS) method, Waste cotton fabrics

Facile preparation of fracture-free pectin/clay aerogel monoliths

Author(s): H. Wu, Q. Chen, Y. Lua

Clay aerogels are typically used for insulation, filtration and absorption, and are typically favored because of their eco-friendly nature, low density and high porosity. Unfortunately, these aerogels are limiting due ...

Keywords: Aerogel, Clay, composites, Freeze-drying, Pectin, Thermal Conductivity, thermal insulation, Transient Plane Source, Transient plane source (TPS) method

Assembly of silica aerogels within silica nanofibers: towards a super-insulating flexible hybrid aerogel membrane

Author(s): Bin Ding, Haoru Shan, Hongxia Zheng, Jianyong Yu, Lifang Liu, Xianfeng Wang, Ying Bai

Silica aerogels (SA) are identified as one of the most advanced thermal insulating materials to date, however, their range of applications is limited due to a high sensitivity to moisture ...

Keywords: Silica aerogels, silica nanofiber, Thermal Conductivity, thermal insulation, Transient Plane Source

Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

Author(s): Alain Celzard, Antonio Pizzi, M. C. Basso, V. Fierro, X. Li

Polymeric tannin/furanic foams fortified with polyurethane (PUR) and 4,4’ diphenylmethane diisocyanate (pMDI) were prepared. The thermo-physical and mechanical properties of the produced foams were investigated experimentally. It was found that ...

Keywords: Bulk Density, Compressive Strength, Helium Pycnometry, Polymeric Foams, Scanning Electron Microscope, Scanning electron microscope (SEM), SEM, Skeletal Density, Thermal Conductivity, thermal insulation, transient plane source method

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

Influence of thermal process on microstructural and physical properties of ambient pressure dried hydrophobic silica aerogel monoliths

Author(s): Ai Du, Bin Zhou, Guangming Wu, Guangwu Liu, Guoqing Zu, Jun Shen, Xing Yuan Ni, Xingyuan Ni

Ambient pressure dried hydrophobic silica aerogel monoliths were prepared via simultaneous solvent exchange and surface modification in order to minimize volume shrinkage and density. At room temperature, the obtained silica ...

Keywords: Apparent Density, BET Method, Brunauer-Emmett-Teller, Brunauer-Emmett-Teller (BET), differential scanning calorimetry, Differential scanning calorimetry (DSC), DSC, Fourier transform infrared spectroscopy (FTIR), Fourier-Transform Infrared Spectroscopy, FTIR, Pore Size Distribution, Pore Size Distribution (PSD), porosity, PSD, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Silica aerogels, specific surface area, TGA, Thermal Conductivity, thermal insulation, Thermo Gravimetric Analyzer, Thermo Gravimetric Analyzer (TGA), Transient Plane Heat Source Method

Circuit design for transient measurements of electrical properties of thin metal films and thermal properties of insulating solids or liquids

Author(s): Ernest Karawacki, Mohammad Aslam Chohan

A circuit was designed for use in the transient hot-strip method for the determination of thermal properties of thermal insulators and electrical properties of thin metal films. The article describes ...

Keywords: films, Resistivity, thermal insulation, Thermal Properties, thin metal films, Transient Hot-Strip Method, Voltage

Synthesis and characterization of silica aerogel and its composite materials

Author(s): Liu Guangwu, LiuYangang, Ni Xingyuan

Composite silica aerogels were prepared using sodium silicate and ceramics fibers. The thermal conductivities of these composites were investigated to determine how effective they would be as thermal insulation. As ...

Keywords: ceramics, density, pore volume, Silica Aerogel Composite, specific surface area, Thermal Conductivity, thermal insulation, Transient Plane Heat Source Method

Keyword: thermal insulation

Monodisperse Hollow Silica Nanospheres for Nano Insulation Materials: Synthesis, Characterization, and Life Cycle Assessment

Mechanical and thermal performance of concrete and mortar cellular materials containing plastic waste

Flame Retardant, Heat Insulating Cellulose Aerogels from Waste Cotton Fabrics by in Situ Formation of Magnesium Hydroxide Nanoparticles in Cellulose Gel Nanostructures

Facile preparation of fracture-free pectin/clay aerogel monoliths

Assembly of silica aerogels within silica nanofibers: towards a super-insulating flexible hybrid aerogel membrane

Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

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

Influence of thermal process on microstructural and physical properties of ambient pressure dried hydrophobic silica aerogel monoliths

Circuit design for transient measurements of electrical properties of thin metal films and thermal properties of insulating solids or liquids

Synthesis and characterization of silica aerogel and its composite materials

Search Paper Database

Demonstration Corner

Laboratory Instruments

Portable Meters