Search Results - "Han, Haksoo"
-
1
Highly-enhanced water resistant and oxygen barrier properties of cross-linked poly(vinyl alcohol) hybrid films for packaging applications
Published in Progress in organic coatings (01-08-2015)“…•Cross-linked poly(vinyl alcohol)/boric acid (PVA/BA) hybrid films were prepared.•Their physical properties were dependent on the BA content and…”
Get full text
Journal Article -
2
Proton Transport in Aluminum-Substituted Mesoporous Silica Channel-Embedded High-Temperature Anhydrous Proton-Exchange Membrane Fuel Cells
Published in Scientific reports (25-06-2020)“…Polymer composite membrane technology is promising for enhancing the performance of membrane electrode assemblies for high-temperature fuel cells. In this…”
Get full text
Journal Article -
3
Fabrication of highly flexible electromagnetic interference shielding polyimide carbon black composite using hot-pressing method
Published in Composites. Part B, Engineering (15-09-2021)“…Traditionally, electromagnetic interference (EMI) shielding material has been occupied by metallic materials due to its high electric conductivity and EMI…”
Get full text
Journal Article -
4
High temperature anhydrous proton exchange membranes based on chemically-functionalized titanium/polybenzimidazole composites for fuel cells
Published in Materials letters (15-03-2020)“…•PBI nanocomposite membranes were synthesized for HT-PEMFC application.•Properties necessary for HT-PEMFC were investigated including cell…”
Get full text
Journal Article -
5
Synthesis of UV Curable, Highly Stretchable, Transparent Poly(urethane-acrylate) Elastomer and Applications Toward Next Generation Technology
Published in Macromolecular research (01-09-2020)“…Here, highly stretchable and transparent UV curable poly(urethane-acry-late) elastomer has been synthesized by reacting urethane acrylate oligomer and two…”
Get full text
Journal Article -
6
Preparation and characterization of UV-cured polyurethane acrylate/ZnO nanocomposite films based on surface modified ZnO
Published in Progress in organic coatings (01-07-2012)“…► ZnO nanoparticles have been successfully modified with a silan coupling agent. ► Good dispersion of ZnO in PUA induced to the molecular ordering increase. ►…”
Get full text
Journal Article -
7
Overcoming underfill defect with undermatching filler and establishing new acceptance criteria for underfill depth in laser beam welding of ultra-high strength steels
Published in Welding in the world (01-02-2024)“…This study investigated the laser-beam-weld geometry and tensile properties under various butt-joint gap conditions as a function of the use of undermatching…”
Get full text
Journal Article -
8
New continuous process developed for synthesizing sponge-type polyimide membrane and its pore size control method via non-solvent induced phase separation (NIPS)
Published in Microporous and mesoporous materials (01-04-2017)“…In this study, the improvement of synthesizing method of sponge-type polyimide (PI) membrane and its newly developed pore size control techniques are mainly…”
Get full text
Journal Article -
9
Preparation and characterization of poly(propylene carbonate)/exfoliated graphite nanocomposite films with improved thermal stability, mechanical properties and barrier properties
Published in Polymer international (01-09-2013)“…Relatively high aspect ratio exfoliated graphite (EFG) particles with an average size of 7.4 µm and a nanometer sized thickness of 30–50 nm were successfully…”
Get full text
Journal Article -
10
Flame retardant, antimicrobial, and mechanical properties of multifunctional polyurethane nanofibers containing tannic acid-coated reduced graphene oxide
Published in Polymer testing (01-01-2021)“…Graphene nanoparticles coated with tannic acid were synthesized as non-halogen flame retardants; further, these nanoparticles were electrospun with…”
Get full text
Journal Article -
11
Phase Inversion-Induced Porous Polybenzimidazole Fuel Cell Membranes: An Efficient Architecture for High-Temperature Water-Free Proton Transport
Published in Polymers (19-07-2020)“…To cope with the demand for cleaner alternative energy, polymer electrolyte membrane fuel cells (PEMFCs) have received significant research attention owing to…”
Get full text
Journal Article -
12
One-step synthesis of nano-porous monolithic polyimide aerogel
Published in Microporous and mesoporous materials (01-11-2016)“…A facile one-step method for synthesis of a porous monolithic polyimide aerogel was successfully developed. The specific thermal curing, slow desiccating…”
Get full text
Journal Article -
13
Effects of internal linkage groups of fluorinated diamine on the optical and dielectric properties of polyimide thin films
Published in Polymer (Guilford) (23-03-2007)“…To investigate the difference of the trifluoromethyl (CF3) group and ether group affecting the optical property of fluorinated polyimides (PIs), we prepared…”
Get full text
Journal Article -
14
Preparation of Isotropic Carbon Fibers from Kerosene-Purified Coal Tar Pitch by Co-Carbonization with Pyrolysis Fuel Oil
Published in Materials (21-10-2021)“…An inexpensive and general-purpose carbon fiber was prepared using coal tar pitch. In contrast to the solvent extraction process employing expensive solvents,…”
Get full text
Journal Article -
15
Highly Soluble Fluorinated Polyimides Synthesized with Hydrothermal Process towards Sustainable Green Technology
Published in Polymers (05-11-2021)“…Polyimides, a widely used engineering plastic, require use of large amounts of toxic and hazardous organic solvents which threaten our daily lives, calling for…”
Get full text
Journal Article -
16
Highly Self-Healable Polymeric Coating Materials with Enhanced Mechanical Properties Based on the Charge Transfer Complex
Published in Polymers (28-11-2022)“…Polymeric coating materials (PCMs) are promising candidates for developing next-generation flexible displays. However, PCMs are frequently subjected to…”
Get full text
Journal Article -
17
Preparation and Characterization of Spherical Polyimide Aerogel Microparticles
Published in Macromolecular materials and engineering (01-09-2014)“…In the study described here, novel, polyimide (PI)‐based spherical aerogelmicroparticles are fabricated. The aerogel microparticles proposed in this study have…”
Get full text
Journal Article -
18
Simple assembling process for polyimide aerogel and its application in water pollutants absorption
Published in Journal of porous materials (2022)“…Porous media based on organic and inorganic materials are now showing their great potential in various application. The synthetic technology has been studied…”
Get full text
Journal Article -
19
Effects of the paraffin wax (PW) content on the thermal and permeation properties of the LDPE/PW composite films
Published in Journal of polymer research (01-02-2015)“…A series of low density polyethylene/paraffin wax (LDPE/PW) composite films were fabricated via a twin-screw extruder, and their morphologies, thermal…”
Get full text
Journal Article -
20
Fabrication of polyimide composite films based on carbon black for high-temperature resistance
Published in Polymer composites (01-11-2014)“…A novel high‐performance material, carbon black (CB) polyimide (PI), was obtained by the chemical synthesis of CB (carbon black N326) with PI. Following its…”
Get full text
Journal Article