Polysulfone and polyacrylate-based zwitterionic coatings for the prevention and easy removal of marine biofouling

Biofouling
Michael R HibbsShane J Stafslien

Abstract

A series of polysulfone and polyacrylate-based zwitterionic coatings were prepared on epoxy-primed aluminum substrata and characterized for their antifouling (AF) and fouling-release (FR) properties towards marine bacteria, microalgae and barnacles. The zwitterionic polymer coatings provided minimal resistance against bacterial biofilm retention and microalgal cell attachment, but facilitated good removal of attached microbial biomass by exposure to water-jet apparatus generated hydrodynamic shearing forces. Increasing the ion content of the coatings improved the AF properties, but required a stronger adhesive bond to the epoxy-primed aluminum substratum to prevent coating swelling and dissolution. Grafted poly(sulfobetaine) (gpSBMA), the most promising zwitterionic coating identified from microfouling evaluations, enabled the removal of four out of five barnacles reattached to its surface without incurring damage to their baseplates. This significant result indicated that gpSBMA relied predominately on its surface chemistry for its FR properties since it was very thin (~1-2 µm) relative to commercial coating standards (>200 µm).

References

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Nov 17, 2006·Langmuir : the ACS Journal of Surfaces and Colloids·Zheng ZhangShaoyi Jiang
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Dec 1, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Semra Colak, Gregory N Tew

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Citations

Mar 8, 2017·Macromolecular Rapid Communications·Giancarlo Galli, Elisa Martinelli
Apr 22, 2017·Critical Reviews in Biotechnology·Ouassim ZeriouhEmilio Molina-Grima
May 11, 2017·ACS Applied Materials & Interfaces·Wufang YangFeng Zhou
Oct 31, 2017·Biofouling·Claudia VenturaDavid A Fulton
Feb 15, 2019·Biofouling·Andrew J Guerin, Anthony S Clare
Feb 17, 2021·ACS Biomaterials Science & Engineering·Cheng-Chen YangYung Chang
Sep 14, 2017·Chemical Reviews·Shuaidi ZhangVladimir V Tsukruk
Nov 1, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Julian KocAxel Rosenhahn

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Methods Mentioned

BETA
X-ray
IEC
IECs
delamination

Software Mentioned

SigmaScan Pro
Systat
CasaXPS
JMP
Sigma Scan Pro
SAS

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