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December 8, 2025Langmuir

Why Doesn’t It Stick? Revealing the Impact of Mobile Oligomers on Ecoflex Surface Functionality and Bonding

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Authors

GDGloria M. D'AmaralHJHannah R. JessopRHRahaf Nafez Hussein

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Overview

Experimental analysis demonstrates how mobile oligomers affect adhesion in Ecoflex surfaces, suggesting formulation adjustments are crucial.

Key Points

  • This research aims to understand how mobile oligomers influence the surface functionality and adhesion of Ecoflex elastomers.
  • Introduced layered PDMS/Ecoflex composites to study their interaction.
  • Investigated the migration of low-molecular-weight siloxane oligomers through PDMS membranes.
  • Conducted systematic removal and reintroduction of additives to assess their effects on surface properties.
  • Identified mobile oligomers as key factors in wetting failure and adhesion loss.
  • Removing additives allowed uniform gold film deposition, improving adhesion.
  • Reintroducing additives restored softness but compromised interfacial improvements.

Cite This Study

D'Amaral et al. (2025) studied this question.

synapsesocial.com/papers/69362f3d4fa91c937236d55bhttps://doi.org/10.1021/acs.langmuir.5c04585
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