Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Corrigendum to "Identification and exploration of a new M2 macrophage marker MTLN in alveolar echinococcosis" [Int. Immunopharmacol. 131 (2024) 111808].

International immunopharmacology·2026
Same author

Combined removal of ammonia-nitrogen from wastewater by ultrasonic cavitation and electrochemical oxidation.

Environmental technology·2026
Same author

Temporal upregulation of TREM2 parallel to M2 macrophage marker expression in tuberculosis: implications for macrophage polarization regulation.

Frontiers in cellular and infection microbiology·2026
Same author

Alhagi honey polysaccharide ameliorates carbon tetrachloride-induced liver fibrosis via modulating the gut microbiota-liver metabolism axis.

Frontiers in nutrition·2026
Same author

Corrigendum to "CCL17 and CCL19 are markers of disease progression in alveolar echinococcosis" [Cytokine 181 (2024) 156669].

Cytokine·2026
Same author

A unified mechanism for tubulin cofactors catalyzing α/β-tubulin biogenesis and degradation.

Science advances·2026
Same journal

Spatially distributed carbon quantum dots in TiO<sub>2</sub> for photothermal-assisted hydrogen production from seawater.

Chemical communications (Cambridge, England)·2026
Same journal

Ultrasonication-assisted preparation of Li<sub>3</sub>PS<sub>4</sub> suspension for all-solid-state Li-ion batteries.

Chemical communications (Cambridge, England)·2026
Same journal

Dual-active-site engineering in cobalt-porphyrin porous hyper-crosslinked polymers enables synergistic catalysis for CO<sub>2</sub> cycloaddition with epoxides.

Chemical communications (Cambridge, England)·2026
Same journal

Optimizing nickel and cobalt-based water oxidation electrocatalysts <i>via</i> iron post-modification.

Chemical communications (Cambridge, England)·2026
Same journal

Facile preparation of a dual-readout metal-organic framework with aggregation-induced emission for highly sensitive detection of GST-α and Fe<sup>2</sup>.

Chemical communications (Cambridge, England)·2026
Same journal

Plasma-assisted ammonia synthesis utilizing water as a hydrogen source: progress, challenges, and prospects.

Chemical communications (Cambridge, England)·2026
See all related articles

Related Experiment Video

Updated: May 30, 2026

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
09:22

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Published on: February 7, 2017

Polymer dewetting via stimuli responsive structural relaxation-contact angle analysis.

Xiumin Ma1, Rene Crombez, Md Ashaduzzaman

  • 1Coating Research Institute, School of Engineering Technology, Eastern Michigan University, Ypsilanti, MI 48197, USA.

Chemical Communications (Cambridge, England)
|August 18, 2011
PubMed
Summary
This summary is machine-generated.

Stimuli-responsive polymer films undergo dewetting after anion exchange. This dewetting is driven by internal stress from structural relaxation, not surface energy changes.

More Related Videos

Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering
12:22

Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering

Published on: March 1, 2016

Methods for the Self-integration of Megamolecular Biopolymers on the Drying Air-LC Interface
07:06

Methods for the Self-integration of Megamolecular Biopolymers on the Drying Air-LC Interface

Published on: April 7, 2017

Related Experiment Videos

Last Updated: May 30, 2026

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
09:22

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Published on: February 7, 2017

Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering
12:22

Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering

Published on: March 1, 2016

Methods for the Self-integration of Megamolecular Biopolymers on the Drying Air-LC Interface
07:06

Methods for the Self-integration of Megamolecular Biopolymers on the Drying Air-LC Interface

Published on: April 7, 2017

Area of Science:

  • Polymer Science
  • Materials Science
  • Surface Science

Background:

  • Stimuli-responsive polymers exhibit changes in properties in response to external stimuli.
  • Anion exchange is a method to modify polymer properties by altering counterions.
  • Dewetting is a process where a thin film retracts from a substrate.

Purpose of the Study:

  • To investigate the dewetting behavior of stimuli-responsive homopolymer thin films.
  • To understand the driving forces behind dewetting after anion exchange.
  • To correlate dewetting with changes in interfacial properties and internal stress.

Main Methods:

  • Synthesis of stimuli-responsive homopolymer.
  • Anion exchange of the imidazolium's counter anion.
  • Contact angle analysis to study surface properties.
  • Interfacial energy calculations.
  • Analysis of intrafilm stress and structural relaxation.

Main Results:

  • Thin films of the stimuli-responsive homopolymer exhibited dewetting as a response to anion exchange.
  • Dewetting occurred contrary to predictions based on the spreading coefficient, which increased.
  • Contact angle measurements and interfacial energy analysis supported these observations.
  • Intrafilm stress, generated during structural relaxation, was identified as the primary driver for dewetting.

Conclusions:

  • Anion exchange in imidazolium-based polymers can trigger dewetting.
  • Dewetting in this system is governed by internal stress from structural relaxation, overriding surface energy effects.
  • The findings provide insights into the design and application of stimuli-responsive polymer films.