EFFECTS OF POROUS g-C3N4 NANOSHEETS AND STEARIC ACID ON THE DURABILITY OF WATERBORNE ACRYLIC RESIN COATING

Caixia Sun, Jingjie Dai (), Hongxia Zhang (), Wei Wang (), Lijuan Guo (), Caifeng Hou (), Xiaohua Zhang () and Ranran Fang ()
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Caixia Sun: School of Intelligent Manufacturing and Control Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying, Shandong 257061, P. R. China
Jingjie Dai: ��School of Mechanical and Electronic Engineering, Qingdao Binhai University, Qingdao, Shandong 266555, P. R. China
Hongxia Zhang: School of Intelligent Manufacturing and Control Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying, Shandong 257061, P. R. China
Wei Wang: School of Intelligent Manufacturing and Control Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying, Shandong 257061, P. R. China
Lijuan Guo: School of Intelligent Manufacturing and Control Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying, Shandong 257061, P. R. China
Caifeng Hou: School of Intelligent Manufacturing and Control Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying, Shandong 257061, P. R. China
Xiaohua Zhang: School of Intelligent Manufacturing and Control Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying, Shandong 257061, P. R. China
Ranran Fang: School of Intelligent Manufacturing and Control Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying, Shandong 257061, P. R. China

Surface Review and Letters (SRL), 2023, vol. 30, issue 07, 1-19

Abstract: Durability is a key factor to determine the service life of organic coating. The addition of nanomaterials can improve the mechanical properties and compactness of the organic coatings. As a kind of nanomaterial, g-C3N4 has lamellar structure and can be excited by visible light. At the same time, its cost is low. So it can be selected as a filler to prepare organic coating. The lamellar structure of g-C3N4 is favorable for its dispersion in organic coatings. Stearic acid is an environmentally friendly material with low surface energy. It can improve the hydrophobicity of the coating. In this research, porous g-C3N4 nanosheets were used as filler and stearic acid was used as surface modifier to prepare waterborne acrylic resin-based organic composite coating. The chemical reagent durability, electrochemical durability and mechanical properties of the composite coating were tested. At the same time, the photocatalytic degradation performance of the coating surface was also tested. The results showed that g-C3N4 as filler and stearic acid could effectively improve the durability of the waterborne acrylic resin coating. Meanwhile, the coating surface has obvious visible light-activated photocatalytic performance due to the addition of g-C3N4.

Keywords: Waterborne acrylic resin; g-C3N4; stearic acid; durability (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S0218625X23500488

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