Effect of epoxy content in Ag nanoparticle paste on the bonding strength of MLCC packages

Jung, Kwangho; Min, Kyung Deuk; Lee, Choong‐Jae; Park, Bum-Geun; Jeong, Haksan; Koo, Jaseung; Lee, Byunghoon; Jung, Seung‐Boo

doi:10.1016/j.apsusc.2019.07.229

Cited by 26 publications

(12 citation statements)

References 32 publications

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“…According to in vitro antibacterial assessments, the PEEK substrate did not exhibit antimicrobial activity, which is consistent with a previous study [ 19 ]. Impressively, P. gingivalis grew to a lesser extent on the PEKK substrate compared to the PEEK substrate.…”

Section: Resultssupporting

confidence: 92%

“…In the present study, the roughened surface of the uncoated PEKK and PEEK substrates resulted from argon plasma. In contrast, the epoxy, a reinforcing lining between AgNPs and the substrates, resulted in smoother surfaces [ 19 ]. The surface roughness of biomaterials highly affects bacterial responses, including their adhesion and spread.…”

Section: Resultsmentioning

confidence: 99%

“…Cruz-Pacheco et al [ 21 ] immersed PEEK in an AgNPs-containing solution and used FTIR and TEM to demonstrate the presence of electrostatic interactions between the polymer and the AgNPs. The epoxy resin served as the lining in this study, easily interdiffusing into PEKK to form a semi-interpenetrating polymer network [ 17 , 18 , 19 ].…”

Section: Resultsmentioning

confidence: 99%

“…Incorporating silver nanoparticles (AgNPs) onto the PEKK surface is an effective strategy to improve its antibacterial properties; however, solid adhesive bonding between AgNPs and PEKK is a challenging process due to its excellent chemical resistance [ 16 ]. Epoxy resin is one of the thermosetting resins which can easily interdiffuse into PEKK to form a semi-interpenetrating polymer network [ 17 , 18 , 19 ]. Adding AgNPs to epoxy resin improved the mechanical properties of epoxy composites and created physical crosslinking with PEEK, yet such studies are limited [ 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

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Characterization and Antibacterial Properties of Polyetherketoneketone Coated with a Silver Nanoparticle-in-Epoxy Lining

et al. 2022

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Polyetherketoneketone (PEKK) is an alternative material for use in removable partial denture frameworks; these frameworks must exhibit antibacterial properties to reduce the risk of periodontal disease. In the present study, silver nanoparticles (AgNPs) were synthesized via the reduction of silver nitrate with sodium borohydride in a solution containing polyvinyl pyrrolidone (PVP). Transmission electron microscope images and dynamic light scattering confirmed that metallic nanoparticles had been created with an average size of 32 nm. Furthermore, the coating of the PEKK polymeric substrate with 0.5% AgNPs was carried out using an epoxy resin lining at room temperature. Fourier transform infrared (FTIR) spectra confirmed the successful transfer of the AgNP-in-resin lining onto the polymeric substrate. Scanning electron microscopy and atomic force microscopy confirmed that the AgNPs had been uniformly deposited onto the PEKK specimens. Finally, the antibacterial activity of the specimens was tested against Porphyromonas gingivalis. An inhibition zone of 22.5 mm and an antibacterial rate of 83.47% were found for the PEKK coated with 0.5% AgNPs (0.5% Ag-PEKK) compared to an untreated polyetheretherketone (PEEK) substrate, evidencing that 0.5% Ag-PEKK has potential antibacterial properties for implant applications.

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Section: Resultssupporting

confidence: 92%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Characterization and Antibacterial Properties of Polyetherketoneketone Coated with a Silver Nanoparticle-in-Epoxy Lining

et al. 2022

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“…Epoxy resin is a kind of polymer, with the building molecule containing more than two epoxy groups. 1 Due to the unique advantages of stable chemical and mechanical properties, good heat resistance, and small shrinkage after curing, 2,3 it has been widely used in coating adhesives, 4,5 electronics, automobile, 6 railway, aerospace industries, and other fields. [7][8][9][10] With regard to the drawbacks such as high crosslinking density, high residual stress, pronounced brittleness, and poor fatigue resistance, 11 epoxy composites developed in last 2 decades have addressed these issues to larger extent.…”

Section: Introductionmentioning

confidence: 99%

Probing mechanical properties of graphene oxide/epoxy composites based on nano indentation technique

Chen

Zhao²,

Pei

et al. 2022

Journal of Reinforced Plastics and Composites

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The silanized graphene oxide (KH-GO) with different mass fractions was dispersed in epoxy resin by a solution blending method and resin transfer molding process. The nano indentation method was used to test the micromechanical properties of GO/epoxy composites with different mass fractions, and the effect of GO on the hardness of epoxy matrix composites was quantitatively determined, and the influence of adding KH-GO on the thermal mechanical and bending properties of epoxy resin was discussed by dynamic thermal mechanical and universal strength machine tests. The experimental results show that the thermal and mechanical properties of composites are improved with the increase of the amount of KH-GO. Especially, when the content of KH-GO was 0.3%, the bending strength (125.4 MPa), hardness (281.0 MPa), and glass transition temperature (99.6°C) of composites reached the highest. It was proved that the composites showed its excellent performance and the silane coupling agent was successfully grafted to the graphene oxide by covalent bond, which effectively improved the interface compatibility of the reinforcing body and the matrix and was related to good dispersibility in the epoxy resin. This method is simple and effective, providing a certain reference value for the enhancement of the mechanical properties of the next generation of nanocomposites.

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Porous chitosan particles doped by in situ formed silver nanoparticles: Electrorheological response in silicon oil

Kuznetsov

Kovaleva

Volkov

et al. 2022

Polymers for Advanced Techs

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Effect of in situ formed silver nanoparticles doping on electrorheological response of highly porous chitosan particles in suspensions of polydimethylsiloxane (silicone oil) is considered. Silver nanoparticles are directly reduced by chitosan from solution. Highly porous chitosan particles with different silver content are fabricated by spraying from solution followed by freeze‐drying. A high and stable electrorheological response of suspensions in wide range of electric field strength is observed at a very low filler content of 1 wt%. The nature of the electrorheological effect is considered from the standpoint of dielectric spectroscopy. The activation energies of polarization processes are determined from the temperature dependences of the dielectric loss modulus. The study shows the opportunity to control the properties of stimuli‐responsive materials by changing the structure and physicochemical properties of the functional filler. This approach opens up new possibilities for creating materials with high performance and predetermined properties.

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Effect of epoxy content in Ag nanoparticle paste on the bonding strength of MLCC packages

Cited by 26 publications

References 32 publications

Characterization and Antibacterial Properties of Polyetherketoneketone Coated with a Silver Nanoparticle-in-Epoxy Lining

Characterization and Antibacterial Properties of Polyetherketoneketone Coated with a Silver Nanoparticle-in-Epoxy Lining

Probing mechanical properties of graphene oxide/epoxy composites based on nano indentation technique

Porous chitosan particles doped by in situ formed silver nanoparticles: Electrorheological response in silicon oil

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