水性锌基涂镀涂层的制备及性能研究

doi:10.11896/cldb.21110102

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Abstract Ahigh performance waterborne zinc coating was prepared by modifying acrylic resin using silane (A-187) and high modulus potassium silicate.The storage stability of the coatings and the surface morphology, composition and corrosion resistance of the coatings were characterized and analyzed by Fourier infrared spectroscopy, SEM, EDS energy spectroscopy, X-ray diffraction (XRD), neutral salt spray and electrochemical tests. The results showed that: A187, potassium silicate and aqueous acrylic resin were successfully cross-linked and modified to form an aqueous resin shell structure on the surface of zinc powder to protect the active zinc powder; SEM showed that the zinc powder was uniformly distributed and the surface of the coating was smooth and flat without obvious defects; after 1 000 hours of neutral salt spray test, the surface of the coating was free of red rust; compared with the solvent-based Zn coating, the coating resistance of the water-based Zn coating prepared in this paper is increased by nearly two orders of magnitude, and the coating has better protective properties.

Key words： water-based environmental protection zinc-based coating modified acrylic resin anti-corrosion property

Published: 10 June 2023 Online: 2023-06-19

CLC number:

TQ630

Fund:“Jie Bang Gua Shuai” of Science and Technology Projects of Liaoning Province in 2021(2021JH1/10400091), Liao-ning Provincial Education Department's 2021 Research Grant Project (LJK Z0470), Scientific Research Funding Project of the Educational Department of Liao-ning Province in 2020(LZ2020002), and Liaoning BaiQianWan Talents Program([2020]78).

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	Articles by authors
	LI Qingpeng
	LIU Liran
	ZHANG Liang
	WANG Li
	GUAN Yong
	WANG Na

Cite this article:

LI Qingpeng,LIU Liran,ZHANG Liang, et al. Preparation and Properties of Water-borne Zinc Coating[J]. Materials Reports, 2023, 37(11): 21110102-6.

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http://www.mater-rep.com/EN/10.11896/cldb.21110102 OR http://www.mater-rep.com/EN/Y2023/V37/I11/21110102

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