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Antibacterial self-healing anticorrosion coatings from single capsule system
Song, Yan1; Chen, Kaifeng2,3; Wang, Jingjing2,3; Liu, Yuan1; Yang, Jingzhi1,4; Zhang, Dawei4; Qi, Tao1; Li, Guo Liang1,5
2021-06-08
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Pages8
Abstract

It is highly desirable to develop self-healing anticorrosion coatings with enhanced antibacterial function to prevent the scratched area to be fouled or corroded in harsh environments. Herein, we report antibacterial self-healing anticorrosion coatings via the simple incorporation of the easily synthesized single polymer microcapsule system. Well-defined polymer microcapsules containing isophorone diisocyanate (IPDI) as a healing agent and 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT) as antibacterial molecules were synthesized by one-pot polymerization. The diameter and core fraction were around 30 mu m and 90%, respectively. The active DCOIT content in the core material could be precisely controlled by adjusting the DCOIT/IPDI feeding ratio. The DCOIT/IPDI microcapsules-embedded protective coating exhibits an adaptive self-healing anticorrosion property, as shown by electrochemical test under the condition of the salt-water immersion. Furthermore, the self-healing coating showed efficient antibacterial function against Escherichia coli and Pseudomonas aeruginosa, which is due to the released active biocide molecules on the damaged surfaces. In contrast to other systems, this single capsule system without any catalyst is perspective for extending the service time of the antibacterial self-healing materials in harsh environment.

KeywordCoatings Composites Functionalization Of Polymers
DOI10.1002/app.51214
Language英语
WOS KeywordFouling-release Coatings ; Corrosion-resistance ; Protective-coatings ; Microcapsules ; Polymer ; Robust ; Mechanisms ; Surface ; Films ; Ph
Funding ProjectNational Natural Science Foundation of China[51803215] ; National Natural Science Foundation of China[21975261] ; CAS Pioneer Hundred Talents Program
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
Funding OrganizationNational Natural Science Foundation of China ; CAS Pioneer Hundred Talents Program
WOS IDWOS:000658808500001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/49037
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Dawei; Li, Guo Liang
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing, Peoples R China
2.Xiamen Adv Mat Acad, Luoyang Ship Mat Res Inst, Dept Coating Res, Xiamen, Peoples R China
3.Sci & Technol Marine Corros & Protect Lab, Dept Coating Res, Qingdao, Peoples R China
4.Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Natl Mat Corros & Protect Data Ctr, Beijing, Peoples R China
5.Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Song, Yan,Chen, Kaifeng,Wang, Jingjing,et al. Antibacterial self-healing anticorrosion coatings from single capsule system[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2021:8.
APA Song, Yan.,Chen, Kaifeng.,Wang, Jingjing.,Liu, Yuan.,Yang, Jingzhi.,...&Li, Guo Liang.(2021).Antibacterial self-healing anticorrosion coatings from single capsule system.JOURNAL OF APPLIED POLYMER SCIENCE,8.
MLA Song, Yan,et al."Antibacterial self-healing anticorrosion coatings from single capsule system".JOURNAL OF APPLIED POLYMER SCIENCE (2021):8.
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