釉质防护涂层的湿化学法制备及劣化性能

doi:10.11896/cldb.22030305

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Abstract Protective coating is an important material to improve the durability of outdoor engineering structures. In this work, an enamel coating was prepared by wet chemical method in nitrogen atmosphere, and the phase structure and micromorphology of the coating were studied in depth through XRD, FTIR, SEM, EDS, etc. At the same time, the changes in morphology, microstructure, pencil hardness, adhesion, gloss and thickness of the coating were tested before and after freeze-thaw cycles, xenon lamp and UV deterioration. The results show that the microstructure of the coating is a silicone-inorganic silicon composite network structure. The inorganic phases form dense crosslinks through organic groups and intermolecular coordination bonds. Among the inorganic phases, TiO can be formed through a high-energy mechanochemical reaction between fine Ti and TiO₂ powders under a reducing atmosphere, which exhibits exceptional corrosion-resistant. NaAlO₂ and Al₂O₃ can shield the photocatalytic activity of TiO₂ from deteriorating its own durability by coating on the surface of unreacted TiO₂. Therefore, the enamel coating remains almost unchanged after freeze-thaw cycles and xenon lamp irradiation. The pencil hardness of the enamel coating is 8H, and the adhesion is level 1. The gloss at 60° angle is 64.5GU, and the loss rate after UV radiation is 1.7%. Among all the deterioration processes, UV radiation can weaken the adhesion, increase the pencil hardness, and significantly reduce the thickness of the coating. Because the high energy of ultra-violet photons can promote the crosslinking reaction of active SiO₂ to generate silicone, which makes the internal structure of the coating denser. It can also break bonds to generate CH₂ groups, so as to weaken the bond between the substrate and coating. The research can provide support for the development of protective coatings on the surface of engineering structures.

Key words： protective coating silicone-inorganic silicon composite wet chemical method deterioration performance

Published: 25 February 2024 Online: 2024-03-01

CLC number:

TQ63

Fund:China Postdoctoral Science Foundation (2020M681920) and the Scientific Research Funds of Zhejiang Sci-Tech University (2021Q038).

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	Articles by authors
	BU Jinchao
	TANG Zhonghua
	XU Kai
	HE Caibing
	WANG Minjia

Cite this article:

BU Jinchao,TANG Zhonghua,XU Kai, et al. Preparation and Deterioration Performance of Enamel Protective Coatings by Wet Chemical Method[J]. Materials Reports, 2024, 38(4): 22030305-5.

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http://www.mater-rep.com/EN/10.11896/cldb.22030305 OR http://www.mater-rep.com/EN/Y2024/V38/I4/22030305

1 Yang P, Li W H, Zhao T J. Journal of the Chinese Ceramic Society, 2012, 40(11), 1613 (in Chinese).
杨苹, 李伟华, 赵铁军. 硅酸盐学报, 2012, 40(11), 1613.
2 Kovács R L, Daróczi L, Barkóczy P, et al. Journal of Coatings Technology and Research, 2020, 18, 523.
3 Qian X, Zhu A, Ji L. Polymer Bulletin, 2013, 70(8), 2373.
4 Kawaratani Y, Bui H S. U. S. patent, US20130171084A1, 2013.
5 Chattopadhyay D K, Raju K. Progress in Polymer Science, 2007, 32(3), 352.
6 Luo Y R. Experimental data of chemical bond energies, Science Press, China, 2005(in Chinese).
罗渝然. 化学键能数据手册, 科学出版社, 2005.
7 Huang C, Yu Q. Journal of Applied Polymer Science, 2010, 116(1), 245.
8 Mahadik S A, Kavale M S, Mukherjee S K, et al. Applied Surface Science, 2010, 257(2), 333.
9 Du Y, Wang C, Zhu S L, et al. Chinese Journal of Materials Research, 2019, 33(12), 942 (in Chinese).
杜瑶, 王成, 朱圣龙, 等. 材料研究学报, 2019, 33(12), 942.
10 Jian Z M, Jing H, Zong S Y, et al. Journal of Sol-Gel Science and Technology, 2007, 41(3), 209.
11 Qu Y Y, Huang H F. Asian Journal of Chemistry, 2015, 27(4), 1212.
12 Jiang W, Jin X, Li H, et al. Polymer Testing, 2020, 82, 106287.
13 Lu Y L, Du Y, Wang C, et al. Chinese Journal of Materials Research, 2021, 35(6), 458 (in Chinese).
卢壹梁, 杜瑶, 王成, 等. 材料研究学报, 2021, 35(6), 458.
14 Lei H, He D, Guo Y, et al. Applied Surface Science, 2018, 442(1), 71.
15 Lu D, Xiong P, Chen P, et al. Journal of Applied Polymer Science, 2009, 112(1), 181.
16 Yu J, Li S, Lv Y, et al. Materials Letters, 2015, 147, 128.
17 Li Q, Zhong H, Guan S, et al. Journal of Zhengzhou University (Engineering Science), 2005, 26(1), 79 (in Chinese).
李庆奎, 钟晖, 关绍康, 等. 郑州大学学报(工学版), 2005, 26(1), 79.
18 Veljkovic I, Poleti D, Zdujic M, et al. Materials Letters, 2008, 62(17), 2769.
19 Kang C L, Li C Z, Wang Z T, et al. Journal of East China University of Science and Technology, 2001(6), 631 (in Chinese).
康春雷, 李春忠, 王志庭, 等. 华东理工大学学报, 2001(6), 631.
20 刘勇, 李旺, 鲁厚芳, 等. 中国专利, 105086522A. 11, 2015.
21 Pan J L, Wang M S, Zhang S Q, et al. Modern Paint & Finishing, 2011, 14(12), 31 (in Chinese).
潘家亮, 王佰森, 张拴勤, 等. 现代涂料与涂装, 2011, 14(12), 31.
22 Ren P F, Wang L, Yu H J, et al. Journal of Materials Science and Engineering, 2016, 34(2), 181.
23 周伟. 中国专利, 203460511U. 3, 2014.