IOCAS-IR
Study on preparation of magnesium-rich composite coating and performance enhancement by graft modification of epoxy resin
Ge, Chengyue1,2; Zhao, Xia1,2; Guo, Yudi1,2; Duan, Jizhou1,2; Hou, Baorong1,2
2019
发表期刊SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS
ISSN0792-1233
卷号26期号:1页码:308-316
通讯作者Hou, Baorong(baoronghou@163.com)
摘要Magnesium (Mg)-rich primer is considered as a substitute for high polluted chromate treatment technology to provide cathodic protection for aluminum (Al) alloy. In this paper, Mg-rich primer with comprehensive properties was prepared by modifying epoxy resin using direct mixing. Specifically, the influence factors on the dispersion of Mg powder in epoxy, the modification of epoxy resin using organic silicones and the performance of Mg-modified epoxy composite coating were studied. The results show that Mg powder with small particle size has a better dispersion in epoxy; The mechanical property such as flexibility and impact resistance decreases with the addition of Mg powder, but which was improved when using modified epoxy as the resin matrix due to introduction of Si-O-Si flexible chain; In addition, the grafting efficiency between hydroxyl terminated polydimethylsiloxane and epoxy resin was improved because of the introduced silane coupling agent like KH550 contains amino group; The electrochemical test results indicate Mg-rich primer could provide effective electrochemical protection for Al alloy by raising the corrosion potential and reducing the corrosion current density to bare substrate, respectively.
关键词Magnesium-rich composite coating Grafting polymerization Corrosion resist Organic silicones
DOI10.1515/secm-2019-0009
收录类别SCI
语种英语
资助项目National Basic Research Program of China[2014CB643304] ; National Basic Research Program of China[2014CB643304]
WOS研究方向Materials Science
WOS类目Materials Science, Composites
WOS记录号WOS:000481843600001
出版者WALTER DE GRUYTER GMBH
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/162319
专题中国科学院海洋研究所
通讯作者Hou, Baorong
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao, Shandong, Peoples R China
2.Natl Marine Corros Protect Engn Res Ctr, IOCAS, Key Lab Marine Environm Corros & Biofouling, Qingdao, Shandong, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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GB/T 7714
Ge, Chengyue,Zhao, Xia,Guo, Yudi,et al. Study on preparation of magnesium-rich composite coating and performance enhancement by graft modification of epoxy resin[J]. SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS,2019,26(1):308-316.
APA Ge, Chengyue,Zhao, Xia,Guo, Yudi,Duan, Jizhou,&Hou, Baorong.(2019).Study on preparation of magnesium-rich composite coating and performance enhancement by graft modification of epoxy resin.SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS,26(1),308-316.
MLA Ge, Chengyue,et al."Study on preparation of magnesium-rich composite coating and performance enhancement by graft modification of epoxy resin".SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS 26.1(2019):308-316.
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