Journal
POLYMERS
Volume 14, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/polym14101960
Keywords
superhydrophobicity; glycidyl methacrylate and fluoroalkyl methacrylate copolymers; surface free energy; textured aluminum; sliding angles measurements; self-cleaning effect
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Funding
- Russian Science Foundation [19-7310147]
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This study proposes using reactive copolymers to reduce the surface free energy of coatings, thus improving their water-repellent properties. The research reveals that the structure and composition of the copolymers significantly affect the performance of the coatings, demonstrating the possibility of creating self-cleaning polymer coatings.
This study proposes to use reactive copolymers based on glycidyl methacrylate and fluoroalkyl methacrylates with a low fluorine content in the monomer unit as agents to reduce the surface free energy (SFE). This work reveals the effect of the structure and composition of copolymers on the SFE and water-repellent properties of these coatings. On a smooth surface, coatings based on copolymers of glycidyl methacrylate and fluoroalkyl methacrylates with fluorine atoms in the monomer unit ranging from three to seven are characterized by SFE values in the range from 25 to 13 mN/m, which is comparable to the values for polyhedral oligomeric silsesquioxanes and perfluoroalkyl acrylates. On textured aluminum surfaces, the obtained coatings provide time-stable superhydrophobic properties with contact angles up to 170 degrees and sliding angles up to 2 degrees. The possibility of using copolymers based on glycidyl methacrylate and fluoroalkyl methacrylates for the creation of self-cleaning polymer coatings is shown.
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