Current state of projects in field of epoxy resins and curing agents for adhesives: Production and quality

Eselev, A. D.; Bobylev, V. A.

doi:10.1134/s1995421211010035

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“…The materials must provide unique mechanical properties and high strength to degradation in order to ensure economic efficiency. [1][2][3] The epoxy oligomers are widely applied in compositions due to the unique combination of the properties outstanding mechanical, chemical, electrical, and thermal properties. [4][5][6][7][8][9] However, because the EP matrix must withstand high mechanical loads, it is usually reinforced with fillers.…”

Section: Introductionmentioning

confidence: 99%

Synergistic effect between CuCr₂O₄ nanoparticles and plasticizer on mechanical properties of EP/PU/CuCr₂O₄ nanocomposites: Experimental approach and molecular dynamics simulation

Sarafrazi

Ghasemi

Hamadanian

2020

J of Applied Polymer Sci

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In this research, copper chromite (CuCr2O4) nanoparticles (NPs) were synthesized by the sol–gel auto‐combustion method. The effects of CuCr2O4 NPs and polyurethane (PU) on the tensile strength of the epoxy (EP) resin were studied by considering different weight percentages (wt%). The response surface methodology (RSM) coupled with central composite design (CCD) (RSM/CCD) methods were also used to optimize the Young's modulus, yield strength, and ultimate tensile strength of the EP/PU/CuCr2O4 nanocomposites. The composition structure and morphology of the EP/PU/CuCr2O4 nanocomposites were determined using the Fourier Transform Infrared spectroscopy (FT‐IR), X‐ray diffraction, UV–vis diffuse reflection, Scanning Electron Microscopy, X‐ray energy dispersive spectroscopy, and thermogravimetric analysis. It was also shown that the RSM/CCD methods could be utilized effectively to find the optimum process variables in the tensile test of the EP/PU/CuCr2O4 nanocomposites. Moreover, the tensile test revealed that the presence of the CuCr2O4 NPs in the EP/PU matrix improved the mechanical properties. Best results were obtained with the 0.76 wt% of the CuCr2O4 NPs and the 2.6 wt% PU in the epoxy resin. The molecular dynamic simulation was used to illustrate the effect of the NPs on the interaction energy and mechanical properties of this nanocomposite. The calculated interaction energy for the EP/PU/CuCr2O4 nanocomposites was −437.96 Kcal/mol. The results showed that Young's modulus had relative agreement with the experimental results.

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Section: Introductionmentioning

confidence: 99%

Synergistic effect between CuCr₂O₄ nanoparticles and plasticizer on mechanical properties of EP/PU/CuCr₂O₄ nanocomposites: Experimental approach and molecular dynamics simulation

Sarafrazi

Ghasemi

Hamadanian

2020

J of Applied Polymer Sci

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Current state of projects in field of epoxy resins and curing agents for adhesives: Production and quality

Cited by 1 publication

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Synergistic effect between CuCr₂O₄ nanoparticles and plasticizer on mechanical properties of EP/PU/CuCr₂O₄ nanocomposites: Experimental approach and molecular dynamics simulation

Synergistic effect between CuCr₂O₄ nanoparticles and plasticizer on mechanical properties of EP/PU/CuCr₂O₄ nanocomposites: Experimental approach and molecular dynamics simulation

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Current state of projects in field of epoxy resins and curing agents for adhesives: Production and quality

Cited by 1 publication

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Synergistic effect between CuCr2O4 nanoparticles and plasticizer on mechanical properties of EP/PU/CuCr2O4 nanocomposites: Experimental approach and molecular dynamics simulation

Synergistic effect between CuCr2O4 nanoparticles and plasticizer on mechanical properties of EP/PU/CuCr2O4 nanocomposites: Experimental approach and molecular dynamics simulation

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Synergistic effect between CuCr₂O₄ nanoparticles and plasticizer on mechanical properties of EP/PU/CuCr₂O₄ nanocomposites: Experimental approach and molecular dynamics simulation

Synergistic effect between CuCr₂O₄ nanoparticles and plasticizer on mechanical properties of EP/PU/CuCr₂O₄ nanocomposites: Experimental approach and molecular dynamics simulation