Preparation and characterization of epoxy/oregano oil as an epoxy-based coating material with both antimicrobial effect and increased toughness

Zavareh, Siamak; Darvishi, Farshad; Samandari, Golnaz

doi:10.1007/s11998-014-9641-4

Cited by 10 publications

(2 citation statements)

References 46 publications

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“…Oregano oil was dissolved in DGEBA before curing to achieve an epoxy/oregano oil hybrid material containing micro-sized oil particles with strong interfacial bonding with the epoxy matrix, exhibiting significantly improved impact and fracture properties, decreased tensile strength and modulus, and with antibacterial and antifungal activity [ 87 ]. The addition of artemisinin to epoxy resin formulation was reported to impart antimicrobial activity to epoxy resin membranes without damaging mechanical properties [ 88 ].…”

Section: Enhancement Of Antimicrobial Properties Via Nanomodification Of Epoxiesmentioning

confidence: 99%

Improving the Antimicrobial and Mechanical Properties of Epoxy Resins via Nanomodification: An Overview

et al. 2021

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The main purpose of this work is to provide a comprehensive overview on the preparation of multifunctional epoxies, with improved antimicrobial activity and enhanced mechanical properties through nanomodification. In the first section, we focus on the approaches to achieve antimicrobial activity, as well as on the methods used to evaluate their efficacy against bacteria and fungi. Relevant application examples are also discussed, with particular reference to antifouling and anticorrosion coatings for marine environments, dental applications, antimicrobial fibers and fabrics, and others. Subsequently, we discuss the mechanical behaviors of nanomodified epoxies with improved antimicrobial properties, analyzing the typical damage mechanisms leading to the significant toughening effect of nanomodification. Some examples of mechanical properties of nanomodified polymers are provided. Eventually, the possibility of achieving, at the same time, antimicrobial and mechanical improvement capabilities by nanomodification with nanoclay is discussed, with reference to both nanomodified epoxies and glass/epoxy composite laminates. According to the literature, a nanomodified epoxy can successfully exhibit antibacterial properties, while increasing its fracture toughness, even though its tensile strength may decrease. As for laminates—obtaining antibacterial properties is not followed by improved interlaminar properties.

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Section: Enhancement Of Antimicrobial Properties Via Nanomodification Of Epoxiesmentioning

confidence: 99%

Improving the Antimicrobial and Mechanical Properties of Epoxy Resins via Nanomodification: An Overview

et al. 2021

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“…And the utilisation of environmental-friendly resources in powder coating technology would offer a 'green C green' solution to the current coating industry [4][5][6]. Powder coatings employed in medical and consumer products including medical devices, food packages, household appliances, building materials and so forth require sterile, therefore the addition of innoxious antimicrobial agent with excellent antibacterial activity is much in demand [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Green antimicrobial coating based on quaternised chitosan/organic montmorillonite/Ag NPs nanocomposites

Chen

Cai³

et al. 2016

Journal of Experimental Nanoscience

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This work is aimed at developing a green antimicrobial coating. First, a green antimicrobial agent, quaternised chitosan (QCS)/organic montmorillonite (OMMT)/silver nanoparticles (Ag NPs) (QOMA) nanocomposite was fabricated through an environmental-friendly one-step approach. Morphological and structural characteristics of QOMA were investigated, and good antimicrobial activity was proved. QOMA was then incorporated into powder coating formulations to form a homogeneous coating on steel plates, which was studied by scanning electron images. Besides, the physical and mechanical properties as well as the antimicrobial performances of the coatings were discussed. The results showed that the addition of QOMA imparted good antimicrobial capacity to the powder coating, but did not affect its physical and mechanical properties. The coatings were able to effectively inactivate Gram-negative bacteria (Escherichia coli), Gram-positive bacteria (Staphylococcus aureus) and fungi (Aspergillus niger, Penicillium funiculosum, Chaetomium globasum, Paecilomyces varioti, Asp. terreus and Aureobasidium pullulans). Our findings demonstrate the possibilities of green antimicrobial coating containing QOMA for practical applications in medical devices, domestic appliances and other solid surfaces concerning bacterial infection and contamination.

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A Review on Corrosion, Adhesion, and Anti-Microbial Performance of Epoxy-Based Nanocomposite Coatings

Ananthapadmanabhan

Mishra

Parida

2022

A Treatise on Corrosion Science, Engineering and Technology

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Preparation and characterization of epoxy/oregano oil as an epoxy-based coating material with both antimicrobial effect and increased toughness

Cited by 10 publications

References 46 publications

Improving the Antimicrobial and Mechanical Properties of Epoxy Resins via Nanomodification: An Overview

Improving the Antimicrobial and Mechanical Properties of Epoxy Resins via Nanomodification: An Overview

Green antimicrobial coating based on quaternised chitosan/organic montmorillonite/Ag NPs nanocomposites

A Review on Corrosion, Adhesion, and Anti-Microbial Performance of Epoxy-Based Nanocomposite Coatings

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