Formation mechanism of a heterogeneous network in epoxy resins

S Yamamoto, R Ida, M Aoki, R Kuwahara… - …, 2023 - ACS Publications
In general, the network structure formed in epoxy resins is heterogeneous, and its extent is
dependent on the curing temperature. Based on Fourier-transform infrared spectroscopy in …

Multiscale modeling of process-induced residual deformation on carbon-fiber-reinforced plastic laminate from quantum calculation to laminate scale finite-element …

Y Kawagoe, K Kawai, Y Kumagai, K Shirasu… - Mechanics of …, 2022 - Elsevier
Multiscale modeling, comprising quantum-chemical reaction path calculation, curing
molecular dynamics (MD) simulation, microscopic finite-element analysis (FEA), and …

[HTML][HTML] Property improvement of epoxy emulsified asphalt modified by waterborne polyurethane in consideration of environmental benefits

X Zhou, Z Wang, H Guo, X Wang, W Chen, J Liu… - Case Studies in …, 2024 - Elsevier
Waterborne epoxy modified emulsified asphalt (EMEA) has the shortcomings of insufficient
toughness and poor aging resistance, which limits its application of low-carbon cold-paving …

Multiscale model for failure prediction of carbon-fiber-reinforced composites under off-axis load

T Watanabe, Y Kawagoe, K Shirasu, T Okabe - International Journal of …, 2023 - Elsevier
Herein, a multiscale model comprising a quantum-chemical reaction path calculations,
molecular dynamics (MD) simulations, and filament and laminate scale finite-element …

High-efficiency manufacturing of epoxy resins through two-point initiation of frontal polymerization

T Luo, Y Zhao, K Fu, X Cui, B Chen - Chemical Engineering Journal, 2024 - Elsevier
Two-point initiation of frontal polymerizations (FPs) is a highly promising approach to
enhance the curing efficiency of epoxy resins. However, the mechanical properties may be …

Constructing and characterizing various multi-component crosslinked epoxy resins based on molecular dynamics simulations with a curing reaction model

Y Zhao, G Kikugawa, K Shirasu, Y Kawagoe, T Okabe - Polymer, 2024 - Elsevier
Epoxy resins are extensively used as the matrix for carbon-fiber-reinforced plastic (CFRP) in
commercial airplanes due to their outstanding thermomechanical properties. Until now, few …

Molecular-scale investigation on relationship between thermal conductivity and the structure of crosslinked epoxy resin

Y Zhao, G Kikugawa, Y Kawagoe, K Shirasu… - International Journal of …, 2022 - Elsevier
Epoxy resins are widely used as matrix resins in many fields due to their excellent physical
and mechanical properties. However, their low thermal conductivities restrict their …

[HTML][HTML] Enhancing epoxy resin curing: Investigating the catalytic role of water as a trace impurity in dense crosslinked network formation using an advanced cat …

Y **, H Fukuzawa, G Kikugawa, Y Zhao, Y Kawagoe… - Polymer, 2024 - Elsevier
The catalytic effect of water, a trace impurity in resins, facilitates efficient curing, affording a
dense crosslinked network structure. Crosslinked networks are crucial for polymer …

Optimal Molecular Dynamics System Size for Increased Precision and Efficiency for Epoxy Materials

K Kashmari, SU Patil, J Kemppainen… - The Journal of …, 2024 - ACS Publications
Molecular dynamics (MD) simulation is an important tool for predicting thermo-mechanical
properties of polymer resins at the nanometer length scale, which is particularly important for …

[HTML][HTML] The effect of gamma-ray irradiation on polymer-graphene nanocomposite interfaces

SU Patil, J Kemppainen, T Wavrunek… - Composites Part B …, 2024 - Elsevier
ABSTRACT CNT yarns are used in ultra-high strength composites for use in manned deep-
space vehicles. It has been previously demonstrated through experiments that gamma-ray …