High barrier performance of the multilayer film based on epoxy and montmorillonite

Bari, Gazi A.K.M. Rafiqul; Park, Sumi; Asrafali, Shakila Parveen; Lee, Sohee; Kim, Haekyoung

doi:10.1016/j.porgcoat.2018.10.017

Cited by 12 publications

(4 citation statements)

References 36 publications

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“…The material's properties can be modified by controlling various parameters in the sol-gel process, including: (i) precursor types, (ii) concentration, (iii) solvent nature, (iv) pH, (v) concentrations of additives (surfactants, structure-directing agents, catalysts), (vi) heat treatment (pre and post treatment), and (vii) aging time. In the sol-gel process, three main sequential reaction steps occur: hydrolysis of the alkoxy group, condensation of two -OH-containing species, and mixed condensation involving the -OH group-and alkoxy group-containing species (Equations ( 1)-( 3)) [32][33][34].…”

Section: Sol-gel Methodsmentioning

confidence: 99%

Comprehensive Insights and Advancements in Gel Catalysts for Electrochemical Energy Conversion

Bari,

Jeong

2024

Gels

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Continuous worldwide demands for more clean energy urge researchers and engineers to seek various energy applications, including electrocatalytic processes. Traditional energy-active materials, when combined with conducting materials and non-active polymeric materials, inadvertently leading to reduced interaction between their active and conducting components. This results in a drop in active catalytic sites, sluggish kinetics, and compromised mass and electronic transport properties. Furthermore, interaction between these materials could increase degradation products, impeding the efficiency of the catalytic process. Gels appears to be promising candidates to solve these challenges due to their larger specific surface area, three-dimensional hierarchical accommodative porous frameworks for active particles, self-catalytic properties, tunable electronic and electrochemical properties, as well as their inherent stability and cost-effectiveness. This review delves into the strategic design of catalytic gel materials, focusing on their potential in advanced energy conversion and storage technologies. Specific attention is given to catalytic gel material design strategies, exploring fundamental catalytic approaches for energy conversion processes such as the CO2 reduction reaction (CO2RR), oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and more. This comprehensive review not only addresses current developments but also outlines future research strategies and challenges in the field. Moreover, it provides guidance on overcoming these challenges, ensuring a holistic understanding of catalytic gel materials and their role in advancing energy conversion and storage technologies.

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Section: Sol-gel Methodsmentioning

confidence: 99%

Comprehensive Insights and Advancements in Gel Catalysts for Electrochemical Energy Conversion

Bari,

Jeong

2024

Gels

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“…By using multiple extruders and multi‐channel composite molds, the process of multi‐layer co‐extrusion to produce multi‐layer structure composite films can be realized. The package products prepared by this method have excellent comprehensive barrier properties and mechanical strength (Bari et al, 2019). The barrier performance of the composite membrane can be improved with the increase of the number of composite layers, and it is easy to control.…”

Section: Film Packaging Preparation Technologymentioning

confidence: 99%

Research progress of antibacterial and antioxidant packaging materials for meat: A review

Guo

2024

J Food Process Engineering

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Due to the easy spoilage of meat products and the improper preservation and transportation technology, the loss rate of meat is relatively high. Most of the fresh‐keeping films are made by adding natural antioxidants and various film‐forming methods. This study expounds the latest progress in the application of antibacterial and antioxidant packaging materials in meat products. With the addition of antibacterial and antioxidant active substances to the packaging, challenges regarding the stability, safety, compatibility and regulations of active substances emerge. This research status in the direction of prospects and challenges about antibacterial and antioxidant packaging materials for meat.

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“…[ 192 ] The stress–strain behaviors of barrier films (i.e., Young's modulus, tensile strength, and elongation at failure) can be gathered by undertaking tension testing in accordance with ASTM D882‐02. [ 17,187,193,194 ] It is unlikely that flexible photovoltaics will be subjected to extreme tension loading in operation, however common actions such as bending can result in delamination of the device stack. In operation, these devices also need to resist impact and scratching from external factors (i.e., hail) to not only prevent moisture ingress but also prevent the leakage of volatile materials into the environment.…”

Section: Barrier Film Requirementsmentioning

confidence: 99%

“…One of the most critical and effective means of stabilization has been found through the development of new barrier films and encapsulation strategies to protect the sensitive photoactive layer from damage due to the ingress of moisture and oxygen. [ 16–18 ]…”

Section: Introductionmentioning

confidence: 99%

A Review on Emerging Barrier Materials and Encapsulation Strategies for Flexible Perovskite and Organic Photovoltaics

Sutherland

Weerasinghe

Simon

2021

Advanced Energy Materials

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Perovskite solar cells (PSCs) and organic photovoltaics (OPVs) have undergone rapid development within the last decade, exhibiting exciting properties such as high efficiency, flexibility, and the potential for large‐scale fabrication through roll‐to‐roll (R2R) processing. Despite this, operational stability is recognized to be an ongoing challenge as prolonged device lifetimes are scarcely observed. This instability can be narrowed down to both “intrinsic degradation” and “extrinsic degradation,” with exposure to moisture and oxygen having detrimental effects on device performance. A means of delaying the degradation of flexible PSC and OPV devices is through barrier encapsulation. Despite glass encapsulation exhibiting ideal barrier properties, the potential for flexible devices and high‐throughput R2R fabrication requires the development of flexible barrier materials and encapsulation strategies. These barriers must demonstrate outstanding moisture permeation resistance, high transparency, chemical and thermal stability, and must be able to withstand repeated mechanical deformation. Herein, the fundamental principles of PSC and OPV devices are initially discussed, highlighting the degradation mechanisms and current stability obstacles. A review of the latest flexible barrier materials and encapsulation strategies follows, introducing stability studies that have been undertaken on flexible PSCs and OPV, along with suggestions as to the direction that future research may take.

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High barrier performance of the multilayer film based on epoxy and montmorillonite

Cited by 12 publications

References 36 publications

Comprehensive Insights and Advancements in Gel Catalysts for Electrochemical Energy Conversion

Comprehensive Insights and Advancements in Gel Catalysts for Electrochemical Energy Conversion

Research progress of antibacterial and antioxidant packaging materials for meat: A review

A Review on Emerging Barrier Materials and Encapsulation Strategies for Flexible Perovskite and Organic Photovoltaics

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