Abstract
By virtue of their special physical and chemical characteristics, zwitterionic materials have attracted researchers for their use as antifouling coatings. The simultaneous presence of positive and negative charges results in zwitterionic antifouling coatings of electrostatically induced hydration, showing high resistance toward oily pollutant, nonspecific protein adsorption, bacterial adhesion, and biofilm formation. This chapter discusses the chemical structure of zwitterions and then presents the preparation of zwitterionic antifouling coatings, including monomeric zwitterionic antifouling coatings, polymeric zwitterionic coatings, zwitterionic-based amphiphilic coatings, and degradable zwitterionic coatings. The particular focus is on the composition, antifouling performance, and antifouling mechanism of these zwitterion-containing coatings.
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