ArticleLangmuir : the ACS journal of surfaces and colloids2022
Vapor Swelling of Polymer Brushes Compared to Nongrafted Films.
Article in Langmuir : the ACS journal of surfaces and colloids, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- XPS analysis of polymer brush coatings.Polymer chemistry · 2026Review
- Characterization of swelling gradients and evaporation dynamics in polymer brushes using high-resolution colorimetry.The European physical journal. E, Soft matter · 2026Article
- Photolyzable Polymer Brushes: Subtractive 3D Structuring of Surfaces Using Water and Light.Angewandte Chemie (International ed. in English) · 2026Article
- Responsive Polyelectrolyte Brushes in Applications: Functions, Stimuli, and Design Considerations.Advanced materials (Deerfield Beach, Fla.) · 2025Review
- Solvent Vapor Conditioning of Polymer-Polymer Organic Solar Cells.ACS applied materials & interfaces · 2025Article
- Thermally Activated Swelling and Wetting Transition of Frozen Polymer Brushes:a New Concept for Surface Functionalization.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Does the Topology of Polymer Brushes Determine Their (Vapor-)Solvation?ACS macro letters · 2025Article
- Exploring Scent Distinction with Polymer Brush Arrays.ACS applied polymer materials · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
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Abstract
Polymer brushes, coatings of polymers covalently end-grafted to a surface, have been proposed as a more stable alternative to traditional physisorbed coatings. However, when such coatings are applied in settings such as vapor sensing and gas separation technologies, their responsiveness to solvent vapors becomes an important consideration. It can be anticipated that the end-anchoring in polymer brushes reduces the translational entropy of the polymers and instead introduces an entropic penalty against stretching when vapor is absorbed. Therefore, swelling can be expected to be diminished in brushes compared to nongrafted films. Here, we study the effect of the anchoring-constraint on vapor sorption in polymer coatings using coarse-grained molecular dynamics simulations as well as humidity-controlled ellipsometry on chemically identical polymer brushes and nongrafted films. We find a qualitative agreement between simulations and experiments, with both indicating that brushes certainly swell less than physisorbed films, although this effect is minor for common grafting densities. Our results imply that polymer brushes indeed hold great potential for the intended applications.
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Registered trials
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