Acrylate boron silane polymer/carbon nitride–titanium dioxide composite coatings with enhancing photocatalytic antifouling performance under visible light

Herein, a series of antifouling coatings (CTNCs) composed of acrylic boron silicon polymer (ABSP) and environmental-friendly photocatalysts C 3 N 4 -TiO 2 (B) heterojunctions were successfully prepared. Large-scale production and low-cost photocatalyst C 3 N 4 -TiO 2 (B) can be perfectly compounded...

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Veröffentlicht in:JCT research 2023-07, Vol.20 (4), p.1445-1458
Hauptverfasser: Li, Yakun, Liao, Jianjun, Zhang, Haiqi, Tang, Xingsan, Zhong, Shiqiang, Li, Qiuxia
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container_issue 4
container_start_page 1445
container_title JCT research
container_volume 20
creator Li, Yakun
Liao, Jianjun
Zhang, Haiqi
Tang, Xingsan
Zhong, Shiqiang
Li, Qiuxia
description Herein, a series of antifouling coatings (CTNCs) composed of acrylic boron silicon polymer (ABSP) and environmental-friendly photocatalysts C 3 N 4 -TiO 2 (B) heterojunctions were successfully prepared. Large-scale production and low-cost photocatalyst C 3 N 4 -TiO 2 (B) can be perfectly compounded with ABSP, realizing the possibility of engineering application. SEM and AFM analysis showed that the C 3 N 4 -TiO 2 (B) particles were firmly embedded in the coating, but serious agglomeration appeared when the content of the photocatalyst exceeds 7 wt%. The hydrophilic nanoparticles can accelerate the hydrolysis and adjust the self-polishing rates of the polymer matrix to repel bacteria and algae. When the content of C 3 N 4 -TiO 2 (B) was in the range of 5–7 wt%, the CTNCs displayed better resistance to Nitzschia closterium , Staphylococcus aureus and Escherichia coli than the coating containing pure C 3 N 4 , and the anti-bacterial rates towards S. aureus and E. coli can reach 99.72% and 98.96%.
doi_str_mv 10.1007/s11998-022-00757-0
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subjects Antifouling coatings
Bacteria
Boron
Carbon nitride
Chemistry and Materials Science
Coatings
Corrosion and Coatings
E coli
Heterojunctions
Industrial Chemistry/Chemical Engineering
Materials Science
Nanoparticles
Photocatalysis
Photocatalysts
Polymer Sciences
Silicon polymers
Surfaces and Interfaces
Thin Films
Titanium dioxide
Tribology
title Acrylate boron silane polymer/carbon nitride–titanium dioxide composite coatings with enhancing photocatalytic antifouling performance under visible light
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