AI Article Synopsis
- Zwitterionic sulfobetaine polymers with catechol chain ends were used to coat various hydrophobic polymer sheets, fibers, and a hydrophilic silica surface to reduce fouling.
- The study explored how salt concentration affects the quality of these coatings due to the anti-polyelectrolyte properties of sulfobetaine polymers.
- The coating method is environmentally friendly, utilizing only water-based solutions and showing effectiveness across several common polymer surfaces like polypropylene and nylon.
Article Abstract
Zwitterionic sulfobetaine polymers with a catechol chain end (DOPA-PSB) were applied to a variety of hydrophobic polymer sheets and fibers. In addition, a silica surface was tested as a representative hydrophilic substrate. The polymer-coated surfaces showed significantly lower fouling levels than uncoated controls. Because of the anti-polyelectrolyte nature of sulfobetaine zwitterionic polymers, the effect of salt concentration on the coating solutions and the quality of the polymer coating against fouling are studied. The coating method involves only water-based solutions, which is compatible with most surfaces and is environmentally friendly. To demonstrate the versatility of the reported method, we evaluated the fouling levels of the polymer coating on commonly used polymeric surfaces such as polypropylene (PP), polydimethylsiloxane (PDMS), polystyrene (PS), nylon, polyvinyl chloride (PVC), and poly(methyl methacrylate) (PMMA).
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| http://dx.doi.org/10.1021/am500362k | DOI Listing |
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