36 Result(s)

Article

Effect of MWCNT anchoring to the carbon fiber surface on the interlaminar property and fracture topography of carbon fabric/vinyl ester composites: comparisons between conventional and semi-spread carbon fabrics

In the present work, multi-walled carbon nanotubes (MWCNT) were anchored with the assistance of vinyl ester resin (VE) on the carbon fiber surfaces of conventional carbon fabrics (CCF) and semi-spread carbon f...

**sil Cheon, Donghwan Cho in Carbon Letters (2024)

Article

Effects of peroxide-based initiators with different molecular sizes on cure behavior and kinetics of vinyl ester resin containing multi-walled carbon nanotubes

The effects of two peroxide-based initiators, di(4-tert-butylcyclohexyl)peroxydicarbonate (DPDC) and tert-butyl-peroxybenzoate (TBPB), with different molecular sizes and multi-walled carbon nanotubes (MWCNT) on t...

**sil Cheon, Donghwan Cho in Journal of Thermal Analysis and Calorimetry (2022)

Article

Carbon fiber coating with MWCNT in the presence of polyethyleneimine of different molecular weights and the effect on the interfacial shear strength of thermoplastic and thermosetting carbon fiber composites

The effect of multi-walled carbon nanotubes (MWCNT) coating in the presence of polyethyleneimine (PEI) of different molecular weights (MW) on the interfacial shear strength (IFSS) of carbon fiber/acrylonitrile...

Dongkyu Lee, Youngeun Kim, Oh Hyeong Kwon, Won Ho Park, Donghwan Cho in Carbon Letters (2021)

Article

Effects of Ammonium Polyphosphate on the Flame Retarding, Tensile, Dynamic Mechanical, and Thermal Properties of Kenaf Fiber/Poly(lactic acid) Biocomposites Fabricated by Compression Molding

Chopped kenaf fibers, poly(lactic acid) (PLA), and ammonium polyphosphate (APP) were uniformly compounded by twin-screw extrusion process, and then kenaf/PLA biocomposites with various APP loadings were fabric...

Yeonhae Woo, Donghwan Cho in Fibers and Polymers (2021)

Article

Enhancement of Yarn Pull-Out Force of Para-Aramid Fabric at High Speed by Dispersion and Phenolic Anchoring of MWCNT on the Fiber Surfaces in the Presence of Surfactant and Ultrasonic Process

**sil Cheon, Donghwan Cho in Macromolecular Research (2020)

Living Reference Work Entry In depth

Characterizations of Nanocomposites of Liquid Crystalline Polymers

Nanocomposites of three thermotropic liquid crystalline polymers (TLCPs) with organoclay were prepared. The first TLCP, poly(2-ethoxyhydroquinone-2-bromoterephthaloyl), EHBT, consists of wholly aromatic ester ...

Tae Young Ha, Yong-Ho Ahn, Bo-Soo Seo… in Polymers and Polymeric Composites: A Refer…

Reference Work Entry In depth

Characterizations of Nanocomposites of Liquid Crystalline Polymers

Nanocomposites of three thermotropic liquid crystalline polymers (TLCPs) with organoclay were prepared. The first TLCP, poly(2-ethoxyhydroquinone-2-bromoterephthaloyl), EHBT, consists of wholly aromatic ester ...

Tae Young Ha, Yong-Ho Ahn, Bo-Soo Seo, Donghwan Cho… in Liquid Crystalline Polymers (2020)

Article

Guiding bone regeneration using hydrophobized silk fibroin nanofiber membranes

Biocompatible barrier membranes with both hydrophobic and hydrophilic surface properties provide critical backup for guided regeneration at localized bone defects without soft tissue invasion. As a surface mod...

Young-Gwang Ko, Minyoung Lee, Won Ho Park, Donghwan Cho… in Macromolecular Research (2016)

Article

Thermal, mechanical, impact, and water absorption properties of novel silk fibroin fiber reinforced poly(butylene succinate) biocomposites

Novel silk fibroin fiber reinforced poly(butylene succinate) (PBS) biocomposites have been developed by twin-screw extrusion and injection molding processes, varying the fiber content from 10 to 40 % by weight...

Byung Kuk Kim, Oh Hyeong Kwon, Won Ho Park, Donghwan Cho in Macromolecular Research (2016)

Article

Growth behavior of endothelial cells according to electrospun poly(D,L-lactic-co-glycolic acid) fiber diameter as a tissue engineering scaffold

Investigating the effect of electrospun fiber diameter on endothelial cell proliferation provides an important guidance for the design of a fabric scaffold. In this study, we prepared biodegradable poly(D,L-la...

Young-Gwang Ko, Ju Hee Park, Jae Baek Lee… in Tissue Engineering and Regenerative Medici… (2016)

Article

Effect of surfactants on sol–gel transition of silk fibroin

In this study, various surfactants were added to control the gelation time of silk fibroin (SF) aqueous solution. The gelation behaviors of SF aqueous solution in the presence of surfactant were investigated w...

Ji Hun Park, Min Hee Kim, Lim Jeong… in Journal of Sol-Gel Science and Technology (2014)

Article

Hydrophobization of silk fibroin nanofibrous membranes by fluorocarbon plasma treatment to modulate cell adhesion and proliferation behavior

Saturated fluorocarbon (CF₄) immobilized silk fibroin (SF) nanofibrous membranes were prepared and characterized for biomedical applications. Biocompatible barrier membranes that provide both hydrophobic and hydr...

Minyoung Lee, Young-Gwang Ko, Jae Baek Lee, Won Ho Park… in Macromolecular Research (2014)

Article

Cellular response of silk fibroin nanofibers containing silver nanoparticles In vitro

Silk Fibroin (SF) nanofibers containing various silver compounds, such as silver tetrafluoroborate, silver phosphate, silver sulfadiazine, and silver acetate, were prepared by electrospinning. Silver compounds...

Lim Jeong, Donghwan Cho, Oh Hyeong Kwon, Byung-Moo Min… in Macromolecular Research (2014)

Article

Simultaneous enhancement of impact toughness, mechanical properties and thermo-dimensional stability of epoxy composites by rubber-coated exfoliated graphite nanoplatelets

Exfoliated graphite nanoplatelets (EGN) were successfully coated with a liquid rubber amine-terminated poly(butadiene-co-acrylonitrile) (ATBN) at various concentrations. The rubber-coated EGN was incorporated int...

Jeong Hyeon Hwang, Donghwan Cho in Fibers and Polymers (2013)

Article

Fabrication and surface modification of melt-electrospun poly(D,L-lactic-co-glycolic acid) microfibers

In this study, biodegradable poly(D,L-lactic-co-glycolic acid) (PLGA) fibers were prepared by a melt-electrospinning and treated with plasma in the presence of either oxygen or ammonia gas to modify the surface o...

Sung ** Kim, Lim Jeong, Seung ** Lee, Donghwan Cho, Won Ho Park in Fibers and Polymers (2013)

Article

Electron beam effect on the tensile properties and topology of jute fibers and the interfacial strength of jute-PLA green composites

Sang Gyu Ji, Donghwan Cho, Won Ho Park, Byung Cheol Lee in Macromolecular Research (2010)

Article

Curing behavior of polycardanol by MEKP and cobalt naphthenate using differential scanning calorimetry

In this study, polycardanol, which was synthesized by enzymatic oxidative polymerization of thermally treated cashew nut shell liquid (CNSL) using fungal peroxidase, was partially or fully cured using methyl e...

Qun Zhou, Donghwan Cho, Bong Keun Song… in Journal of Thermal Analysis and Calorimetry (2010)

Article

Effect of natural fiber surface treatments on the interfacial and mechanical properties of henequen/polypropylene biocomposites

The surfaces of henequen fibers, which can be obtained from the leaves of agave plants, were treated with two different media, tap water and sodium hydroxide, that underwent both soaking and ultrasonic methods...

Hyun Seok Lee, Donghwan Cho, Seong Ok Han in Macromolecular Research (2008)