thermomechanical properties of alumina fiber membrane

Preparation and gas permeation properties of all-silica

A dense zeolite layer was not obtained without addition of the seed crystal. A membrane prepared for 20 h showed high CO 2 permeance (4.1 10 −6 mol m −2 s −1 Pa −1) with CO 2 /CH 4 selectivity of 59. By comparison a membrane prepared for 72 h showed CO 2 /CH 4 selectivity of 126 and permeance of about 2.9 10 −7 mol m −2 s −1 Pa −1. This performance was better than that of the

Analysis of Thermomechanical Properties Considering the

 · Analysis of Thermomechanical Properties Considering the Thermal Expansion Anisotropy of Membrane-Type Fiber-Reinforced Composite Material Yeon-Jae Jeong 1æôHee-Tae Kim 1æôJeong-Dae Kim 1æôHoon-Gyu Oh 2æôYong-Tai Kim 2æôSeong-Bo Park 2æô Jae-Myung Lee 1 ߯ Department of Naval Architecture and Ocean Engineering Pusan National

Preparation of hollow fiber membranes from mullite

 · A low-cost alumina-mullite composite hollow fiber ceramic membrane fabricated via phase-inversion and sintering method. J Eur Ceram Soc 2016 36 2057–2066. CAS Article Google Scholar 18 Yan S Pan Y Wang L et al. Synthesis of low-cost porous ceramic microspheres from

The influence of alumina particle size on the properties

Abstract The advantages offered by ceramic membranes compared to the polymeric membrane have attracted more interest especially in fluid separation application owing to its ability to withstand harsh operating conditions. In this study five alumina hollow fiber membranes were prepared from different loading ratios of alumina particle sizes which are 1 µm 0.5 µm and 0.01 µm.

Preparation and Characterization of Dual Layer Thin Layer

 · ) was carried out on the dual layer membrane. The mechanical properties of dual layer alumina/LSCF hollow fiber membrane before and after coating were carried out using the Instron Model 5544 tensile tester provided with a load cell of 1 kN. The gas permeation test was carried out using a soap bubble meter. Helium (He) was used as

Dielectric and optical properties of alumina and silica

 · PNC materials of wide-range dielectric and electrical properties over a broad frequency and temperature variation are currently in high industrial demand in view of flexible dielectric substrates and insulating layers for designing advanced lightweight and stretchable-type numerous microelectronic devices especially for energy storage and harvesting applications 1 2 3 4 5 6 7 8 9 10 .

Alumina Membranes for Desalination and Water Treatment

 · In recent years there has been a growing interest in utilizing inorganic membranes particularly alumina (Al2O3) ceramic membranes (CMs) and to address a variety of separation problems in miscellaneous industry. Al2O3 membranes are commercially predominant in CMs market. Al2O3 material is generally used either as membrane support and/or as membrane layer due to advantages

The influence of alumina particle size on the properties

Abstract The advantages offered by ceramic membranes compared to the polymeric membrane have attracted more interest especially in fluid separation application owing to its ability to withstand harsh operating conditions. In this study five alumina hollow fiber membranes were prepared from different loading ratios of alumina particle sizes which are 1 µm 0.5 µm and 0.01 µm.

Dielectric and optical properties of alumina and silica

 · Hussien MSA Mohammed MI Yahia IS (2020) Flexible photocatalytic membrane based on CdS/PMMA polymeric nanocomposite films multifunctional materials. Environ Sci Pollut Res 27 45225–45237. Article Google Scholar 60. Evans KA (1996) The manufacture of alumina and its use in ceramics and related applications.

Preparation and characterization of alumina hollow fiber

 · In this study the alumina (Al 2 O 3) hollow fiber membranes were prepared by a combined phase-inversion and sintering method. The organic binder solution (dope) containing suspended Al 2 O 3 powders was spun to a hollow fiber precursor which was then sintered at elevated temperatures in order to obtain the Al 2 O 3 hollow fiber membrane.

Effect of Various Coupling Agents on Properties of Alumina

 · The effect of coupling agents on the properties of alumina-filled polypropylene (PP) has been studied. Several types of coupling agents such as silane Z-6020 ((Aminoethylaminopropyl) trimethoxysilane) 3-GPS (3-(Glycidyloxypropyl) trimethoxysilane) and titanium dioxide powder (TiO 2) were employed either during compounding or before compounding i.e. at pre-treatment stage.

Structure and Thermomechanical Properties of Polyurethane

 · Influence of cross-linking agent on thermomechanical properties and shape memory effect of styrene shape memory polymer. Journal of Intelligent Material Systems and Structures 2011 22 (18) . DOI 10.1177/X.

Preparation and Thermomechanical Properties of Ketone

In order to enhance the thermomechanical behaviors of epoxy molding compounds the hexagonal boron nitride (h-BN) fillers were incorporated in a ketone mesogenic liquid crystalline epoxy (K–LCE) matrix to prepare a high-performance epoxy composites. The h-BN was modified by surface coupling agent 3-aminopropyltriethoxysilane (APTES). The grafting of silane molecules onto the surface of BN

Mechanical Characterization of MembranesScienceDirect

 · The dynamic thermomechanical properties of the materials were investigated using DMA operating in tension mode at a constant frequency of 1 Hz and strain of 20 μm. Sample sizes of 10 mm 3 mm 0.12 mm were tested in temperature range of 50–150°C at a heating rate of 3°C/min.

Preparation of Alumina Hollow Fiber Membrane with

The alumina hollow fiber membranes were prepared by spinning and then sintering method. The dope solution was fabricated by using 1-methyl-2-pyrrolidone (NMP) dimethylsulfoxide (DMSO) dimethylacetamide (DMAc) and triethylphosphite (TEP) as solvents which have different interaction rate with non-solvent. SEM analysis showed that the alumina hollow fiber membranes have different pore

Thermomechanical Properties of Jute/Bamboo Cellulose

Dewaxing of Fiber.The dewaxing was done by applying the Leavitt-Danzer method. In this process two types of chemical were used namely toluene (C 6 H 5 CH 3) and ethanol (C 2 H 6 O) with ratios of 2 1 (v/v). The extraction process was done using the extraction column (Soxhlet extractor round bottom flask Liebig condenser heater membrane and thermometer).

Structure and properties of flax/polylactide/alumina

 · Composites composed of polylactide (PLA) woven flax fiber textiles (weave style of 2 2 twill and 4 4 hopsack) and boehmite alumina were produced by

Thermomechanical barrier and morphological properties of

 · Thermomechanical barrier and morphological properties of chitosan-reinforced starch-based biodegradable composite films EL Ahvenainen R. Chitosan disrupts the barrier properties of the outer membrane of gram-negative bacteria. Int J Food Microbiol 2001 71 235 The oxidation of carbon fiber on the interlaminar shear strength and

Thermomechanical Properties of Jute/Bamboo Cellulose

Dewaxing of Fiber.The dewaxing was done by applying the Leavitt-Danzer method. In this process two types of chemical were used namely toluene (C 6 H 5 CH 3) and ethanol (C 2 H 6 O) with ratios of 2 1 (v/v). The extraction process was done using the extraction column (Soxhlet extractor round bottom flask Liebig condenser heater membrane and thermometer).

Thermomechanical Properties of Jute/Bamboo Cellulose

Dewaxing of Fiber.The dewaxing was done by applying the Leavitt-Danzer method. In this process two types of chemical were used namely toluene (C 6 H 5 CH 3) and ethanol (C 2 H 6 O) with ratios of 2 1 (v/v). The extraction process was done using the extraction column (Soxhlet extractor round bottom flask Liebig condenser heater membrane and thermometer).

Preparation of hollow fiber membranes from mullite

 · A low-cost alumina-mullite composite hollow fiber ceramic membrane fabricated via phase-inversion and sintering method. J Eur Ceram Soc 2016 36 2057–2066. CAS Article Google Scholar 18 Yan S Pan Y Wang L et al. Synthesis of low-cost porous ceramic microspheres from

Thermal Conductivity and Mechanical Properties of

The increase of miniaturization and rise of powerhouses has caused a need for high-performing thermal interface materials (TIMs) that can transfer heat in electronic packaging. In this study a thermoplastic polyurethane (PU)/alumina composite was produced via twin extrusion and was suggested as a TIM. The surfaces of the alumina particles were modified by gamma-aminopropyltriethoxysilane

Preparation and characterization of alumina hollow fiber

 · In this study the alumina (Al 2 O 3) hollow fiber membranes were prepared by a combined phase-inversion and sintering method. The organic binder solution (dope) containing suspended Al 2 O 3 powders was spun to a hollow fiber precursor which was then sintered at elevated temperatures in order to obtain the Al 2 O 3 hollow fiber membrane.

Structure and Thermomechanical Properties of Polyurethane

 · Influence of cross-linking agent on thermomechanical properties and shape memory effect of styrene shape memory polymer. Journal of Intelligent Material Systems and Structures 2011 22 (18) . DOI 10.1177/X.

Effect of Various Coupling Agents on Properties of Alumina

 · The effect of coupling agents on the properties of alumina-filled polypropylene (PP) has been studied. Several types of coupling agents such as silane Z-6020 ((Aminoethylaminopropyl) trimethoxysilane) 3-GPS (3-(Glycidyloxypropyl) trimethoxysilane) and titanium dioxide powder (TiO 2) were employed either during compounding or before compounding i.e. at pre-treatment stage.

The influence of alumina particle size on the properties

 · From the results obtained hollow fiber membranes with higher loading of coarse alumina particles (9 1 0) exhibited the highest nitrogen permeance and lowest mean pressure across membrane contributed by its high porosity structure.

Analysis of Thermomechanical Properties Considering the

 · Analysis of Thermomechanical Properties Considering the Thermal Expansion Anisotropy of Membrane-Type Fiber-Reinforced Composite Material Yeon-Jae Jeong 1æôHee-Tae Kim 1æôJeong-Dae Kim 1æôHoon-Gyu Oh 2æôYong-Tai Kim 2æôSeong-Bo Park 2æô Jae-Myung Lee 1 ߯ Department of Naval Architecture and Ocean Engineering Pusan National

Thermomechanical and structural characterization of

 · Frequency‐dependent thermomechanical characterization via dynamic mechanical analysis reveals pronounced changes in the onset and extent of melting as well as the storage and loss modulus values at the onset of melting in particular when small amounts (1.25 by wt ) of CNTs are present.

Dielectric and optical properties of alumina and silica

 · Hussien MSA Mohammed MI Yahia IS (2020) Flexible photocatalytic membrane based on CdS/PMMA polymeric nanocomposite films multifunctional materials. Environ Sci Pollut Res 27 45225–45237. Article Google Scholar 60. Evans KA (1996) The manufacture of alumina and its use in ceramics and related applications.

Preparation and characterization of alumina hollow fiber

 · In this study the alumina (Al 2 O 3) hollow fiber membranes were prepared by a combined phase-inversion and sintering method. The organic binder solution (dope) containing suspended Al 2 O 3 powders was spun to a hollow fiber precursor which was then sintered at elevated temperatures in order to obtain the Al 2 O 3 hollow fiber membrane. The dope solution consisted of polyethersulfone (PES)

Preparation and Characterization of Dual Layer Thin Layer

 · ) was carried out on the dual layer membrane. The mechanical properties of dual layer alumina/LSCF hollow fiber membrane before and after coating were carried out using the Instron Model 5544 tensile tester provided with a load cell of 1 kN. The gas permeation test was carried out using a soap bubble meter. Helium (He) was used as

Thermomechanical and structural characterization of

 · Frequency‐dependent thermomechanical characterization via dynamic mechanical analysis reveals pronounced changes in the onset and extent of melting as well as the storage and loss modulus values at the onset of melting in particular when small amounts (1.25 by wt ) of CNTs are present.