Study the synthesis and the properties of self‐crosslinking acrylic latex via a novel fluorescent labeling method. Issue 10 (8th October 2020)

• Record Type: Journal Article
• Authors: Qiu, Zhenyu; Wang, Lijun; Wu, Jiming; Wang, Lei; Li, Zhaolei; Xu, Zexiao; Li, Weili; Gui, Taijiang
• Is Part Of: Journal of applied polymer science. Volume 138:Issue 10(2021)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2020-10-08
• Subjects: aggregation induced emission -- emulsion polymerization process -- fluorescent label -- gas sensing -- self‐crosslinking acrylic latex; Polymers -- Periodicals; Polymerization -- Periodicals; 668.9
• DOI: 10.1002/app.49973
• Languages: English
• ISSNs: 0021-8995

Abstract

Abstract: To make waterborne painting be applied into metal protection area, the mechanical, water resistant, and anti‐corrosion properties of the dried coating based on it should be improved effectively. Among various methods, self‐crosslinking the latex during its drying process is thought to be an effective way. For example, the latex with DAAM/ADH (diacetoneacrylamide/adipoyl hydrazide) as the self‐crosslinker has attracted a lot of attention due to its excellent stability and coating performance. In this study, a kind of reactable AIEgen was used and taken part in synthesizing the self‐crosslinkable acrylic latex. Based on Aggregation Induced Emission(AIE) phenomenon, it is easy to real‐time trace the preparation and curing process of the obtained latexes. At the same time, the influence of DAAM/ADH on the properties of the cured coating was studied in detail. In addition, as AIEgen is knitted onto the polymer chains via chemical bonds, external stimulus might interfere the coating's fluorescent property. Based on this phenomenon, the cured coating was studied and explored the feasibility to be applied into gas sensing area via its fluorescent property. Abstract : A systematic study on emulsion polymerization is very meaningful on the industrial production. According to AIE mechanism, diacrylate‐TPE is acted as a fluorescent marker and copolymerized with acrylic monomers by emulsion polymerization. The polymerization and curing processes of self‐crosslinkable latex were studied according to its fluorescence properties. This work paves a new way to study and functionalize the waterborne coating.