自润滑智能调温水性自分层涂料

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2025-04-17 DOI:10.1016/j.porgcoat.2025.109322

Jianing Zhu , Haoru Yang , Yingchun Long , Tianlin Liu , Haipeng Liu , Yang Xuan , Daqi Li , Shijie Deng , Xiaofeng Li , Peng Min , Tang Zhu , Zhi Yu , Na Wang , Fuxin Liang

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引用次数: 0

摘要

将相变材料石蜡包被各种Janus壳，合成相变微胶囊（PCM），加入到水性涂料中，实现自分层涂层。利用PCM优异的水分散性及其与水性环氧树脂的密度差异，PCM成分在形成过程中自发地分层到涂层表面和上部。研究了壳与包封石蜡的协同作用，使涂层具有良好的润滑性能，摩擦系数小于0.04。此外，具有层状结构的自分层涂层结合了PCM中石蜡的疏水性和环氧树脂的附着力。PCM损坏后，石蜡片和Janus片可以覆盖和愈合损坏，从而具有优异的耐腐蚀性。基于PCM相变储热特性，形成的涂层可产生10°C以上的温差，在智能温度调节领域具有应用潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Self-lubricating and intelligent temperature-regulating waterborne self-stratifying coating

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Self-lubricating and intelligent temperature-regulating waterborne self-stratifying coating

Phase change material paraffin was encapsulated with various Janus shell to synthesize phase change microcapsule (PCM), which was added into waterborne coating to achieve self-stratifying coating. Leveraging the excellent water dispersibility of PCM and its density difference with aqueous epoxy resin, PCM composition spontaneously stratify to the surface and upper part of coating during its formation process. It was investigated the synergistic effect of Janus shell and encapsulated paraffin endows the coating with excellent lubrication performance, with a friction coefficient of less than 0.04. In addition, the self-stratifying coating with a layered structure combined the hydrophobicity of the paraffin in PCM with the adhesion of the epoxy resin. After the PCM was damaged, the paraffin and Janus sheets can cover and heal the damage, resulting in excellent corrosion resistance. Based on the phase change thermal storage property of PCM, the as-formed coatings can cause a temperature difference of more than 10 °C, which has application potential in the field of intelligent temperature regulation.

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来源期刊

Progress in Organic Coatings 工程技术-材料科学：膜

CiteScore

11.40

自引率

15.20%

发文量

577

审稿时长

48 days

期刊介绍： The aim of this international journal is to analyse and publicise the progress and current state of knowledge in the field of organic coatings and related materials. The Editors and the Editorial Board members will solicit both review and research papers from academic and industrial scientists who are actively engaged in research and development or, in the case of review papers, have extensive experience in the subject to be reviewed. Unsolicited manuscripts will be accepted if they meet the journal''s requirements. The journal publishes papers dealing with such subjects as: • Chemical, physical and technological properties of organic coatings and related materials • Problems and methods of preparation, manufacture and application of these materials • Performance, testing and analysis.