Sunlight-Induced Self-Healing of a Microcapsule-Type Protective Coating

Song, Young Duk; Jo, Ye-Hyun; Lim, Ye-Ji; Cho, Sung-Youl; Yu, Hwan‐Chul; Ryu, Byung-Cheol; Lee, Sang-In; Chung, Chan‐Moon

doi:10.1021/am302728m

Cited by 181 publications

(115 citation statements)

References 27 publications

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“…The formulation and microcapsules were then mixed, resulting in a self-healing coatingformulation. A use involved spraying of the coatingformulation onto the surface of a board made of cellulosefiber-reinforced-cement and a motar [52]. It was revealed that the healing agent could be released from the ruptured microcapsules and then filled the are where the damage occured, and a sunlight-induced self-healing capability was also demonstrated during the tests on the motar.…”

Section: Self-healing Coatings For Corrosion Protectionmentioning

confidence: 99%

The methodologies and strategies for the development of novel material systems and coatings for applications in extreme environments − a critical review

et al. 2018

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Abstract. The aim of this paper is to present a critical analysis of existing methodologies, approaches and strategies used to develop materials systems and coatings for uses in extreme environments. The extreme or harsh conditions encompass a large variety of in-service forms such as: extreme temperatures, abrasion, corrosion, impact and radiation that can exist in various applications such as those associated with aerospace and aeronautical engineering, land and marine transport, manufacturing machinery, and even microelectronics products. This article describes how working environment and required service performance of a particular part or structure could affect the choice of materials and surfaces to which it is composed. In addition, the paper explains the relevance that abusive working environments have for industry, especially relating to their costs, being followed by an overview of surface deposition approaches that are currently popularly used to improve performance of mechanical devices that need to combat adverse conditions. Finally, a material system and three kinds of protective coatings that could be used in applications in extreme conditions are described. The critical review is an outcome of the strategic review from the EU H2020 SUPERMAT project which deals with materials and manufacture for the products/structural parts used in extreme conditions. Keywords: extreme environment / material system / surface treatment / coating / economic impacts / case study Extreme environment and material-related issuesA harsh environment could be any environment that impedes the operation of a device/system. Many types of the conditions could be considered to be harsh, such as: extreme pressure/temperature, shock, vibration, chemical reactivity, radiation, corrosion and humidity, ranging from the applications in, such as alloy production, component manufacture, transport and biomedical implants [1] while the energy sector faces additional harsh environment such as that in various power plants [2], some of such examples being listed below: -Transport: Automobiles and airplanes that are operated in extreme conditions, being exampled by engines components and high-friction paired parts; -Energy: The devices/pipelines/components used for energy conversions, transports and storages, which faces high-temperature, various kinds of mediums and nuclear/chemical reactions, and suffer from corrosion and fatigue failures; -Manufacturing: Tools (e.g. cutting tools, dies and moulds, welding tools, high-temperature nozzles, etc.) used in manufacturing processes;

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Section: Self-healing Coatings For Corrosion Protectionmentioning

confidence: 99%

The methodologies and strategies for the development of novel material systems and coatings for applications in extreme environments − a critical review

et al. 2018

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“…Verify capsule core structure: weigh a small amount of silicone polyether microcapsule samples to two sheets of a piece of clean glass, provide the existence of oily phase in the sample microcapsule by squeezing and observe the oil phase overflowing [7] .…”

Section: Verify the Capsule Core Structurementioning

confidence: 99%

Research on Preparation and Properties of Coated Polyether Silicone Microencapsulation Based on Polystyrene

Shuiyun

Huang

et al. 2015

MATEC Web of Conferences

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“…In one international study, self-healing materials and catalysts were encapsulated as microsized capsules [5,6]. Meanwhile, in Korea, selfhealing microsized capsules capable of reacting with sunlight or moisture without catalysts have been applied in actual construction [7]. Two conclusions can be derived from these case studies at home and abroad.…”

Section: Introductionmentioning

confidence: 99%

A Study on the Manufacturing Properties of Crack Self-Healing Capsules Using Cement Powder for Addition to Cement Composites

Choi

2017

Advances in Materials Science and Engineering

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We fabricated crack self-healing capsules using cement powder for mixing into cement composites and evaluated the properties of the capsule manufacturing process in this study. The manufacture of the self-healing capsules is divided into core production processing of granulating cement in powder form and a coating process for creating a wall on the surfaces of the granulated cement particles. The produced capsules contain unhardened cement and can be mixed directly with the cement composite materials because they are protected from moisture by the wall material. Therefore, the untreated cement is present in the form of a capsule within the cement composite, and hydration can be induced by moisture penetrating the crack surface in the event of cracking. In the process of granulating the cement, it is important to obtain a suitable consistency through the kneading agent and to maintain the moisture barrier performance of the wall material. We can utilize the results of this study as a basis for advanced self-healing capsule technology for cement composites.

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Sunlight-Induced Self-Healing of a Microcapsule-Type Protective Coating

Cited by 181 publications

References 27 publications

The methodologies and strategies for the development of novel material systems and coatings for applications in extreme environments − a critical review

The methodologies and strategies for the development of novel material systems and coatings for applications in extreme environments − a critical review

Research on Preparation and Properties of Coated Polyether Silicone Microencapsulation Based on Polystyrene

A Study on the Manufacturing Properties of Crack Self-Healing Capsules Using Cement Powder for Addition to Cement Composites

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