{"title":"Polyurethane nickel lacquer coated carbon fiber cloth with excellent mechanical properties and high electromagnetic shielding performance","authors":"","doi":"10.1016/j.porgcoat.2024.108905","DOIUrl":null,"url":null,"abstract":"<div><div>With the development of electronic information and communication technology, electromagnetic waves are everywhere in our lives, so there is an urgent need to develop efficient electromagnetic shielding (EMI) materials to reduce electromagnetic wave pollution. Medical devices, 5G communications, aerospace and other fields require materials that are tough and durable, flexible and thin, have excellent mechanical properties and high-efficiency electromagnetic shielding properties to meet practical needs. In this study, polyurethane (Pur), a lightweight, wear-resistant and stable polymer material, was combined with nickel paint and applied to the surface of 3 k carbon fiber cloth using a tension-pressing machine under high pressure to form a single-sided electromagnetic shielding composite material. Experimental verification shows that the composite sample C5P5CP made by adding 50 wt% polyurethane (Pur) and 50 wt% nickel paint has stable and efficient electromagnetic shielding performance in the entire X-band (8–12 GHz), with an average electromagnetic shielding value of 60 dB. It can exhibit excellent friction performance under variable load friction of 1, 3, 5, 7 and 9 N, and shows the best corrosion resistance in electrochemical experiments. Electromagnetic wave absorption is the main way composite materials shield against electromagnetic waves. This reduces the harm from secondary reflections. The material has a simple manufacturing process and excellent mechanical properties, including lightness, flexibility, and wear resistance. Its efficient electromagnetic shielding performance offers new ideas for designing shielding materials in various fields, and it is expected to have practical applications.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":null,"pages":null},"PeriodicalIF":6.5000,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Progress in Organic Coatings","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0300944024006970","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
With the development of electronic information and communication technology, electromagnetic waves are everywhere in our lives, so there is an urgent need to develop efficient electromagnetic shielding (EMI) materials to reduce electromagnetic wave pollution. Medical devices, 5G communications, aerospace and other fields require materials that are tough and durable, flexible and thin, have excellent mechanical properties and high-efficiency electromagnetic shielding properties to meet practical needs. In this study, polyurethane (Pur), a lightweight, wear-resistant and stable polymer material, was combined with nickel paint and applied to the surface of 3 k carbon fiber cloth using a tension-pressing machine under high pressure to form a single-sided electromagnetic shielding composite material. Experimental verification shows that the composite sample C5P5CP made by adding 50 wt% polyurethane (Pur) and 50 wt% nickel paint has stable and efficient electromagnetic shielding performance in the entire X-band (8–12 GHz), with an average electromagnetic shielding value of 60 dB. It can exhibit excellent friction performance under variable load friction of 1, 3, 5, 7 and 9 N, and shows the best corrosion resistance in electrochemical experiments. Electromagnetic wave absorption is the main way composite materials shield against electromagnetic waves. This reduces the harm from secondary reflections. The material has a simple manufacturing process and excellent mechanical properties, including lightness, flexibility, and wear resistance. Its efficient electromagnetic shielding performance offers new ideas for designing shielding materials in various fields, and it is expected to have practical applications.
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.