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Start Over Author "Zhuoyuan Ma" Topic polymers and plastics
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2. Biofouling-Inspired Growth of Superhydrophilic Coating of Polyacrylic Acid on Hydrophobic Surfaces for Excellent Anti-Fouling

Author

Zhuoyuan Ma, Tianyuan Han, and Dayang Wang

Subjects
Polymers and Plastics, Biofouling, Acrylic Resins, 02 engineering and technology, engineering.material, 010402 general chemistry, 01 natural sciences, Polyethylene Glycols, Inorganic Chemistry, chemistry.chemical_compound, Adsorption, Coating, Materials Chemistry, Acrylic acid, Polytetrafluoroethylene, Fouling, Organic Chemistry, Polyacrylic acid, biochemical phenomena, metabolism, and nutrition, Polyethylene, 021001 nanoscience & nanotechnology, 0104 chemical sciences, chemistry, Chemical engineering, engineering, 0210 nano-technology
Abstract

In this work, we demonstrated effective adsorption of poly(acrylic acid) (PAA) in saline water on various hydrophobic substrates, ranging from polyethylene and polytetrafluoroethylene, to form densely packed monolayers with water contact angle as low as 6.5° in air. This was a result of the synergy of long-range hydrophobic interactions between individual PAA chains and hydrophobic surfaces and short-range hydrogen bonding between neighboring PAA chains, reminiscent of the interaction balance encountered in biofouling. The PAA monolayers adsorbed on hydrophobic surfaces showed the ultrahigh packing density of surface COOH groups of 4.8 nm

Published
2021
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