Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

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

Role of "Hard" and "Soft" Confinement on Polymer Dynamics at the Nanoscale.

ACS macro letters·2022

Same author

Physical Aging of Star-Shaped Macromolecules.

ACS macro letters·2022

Same author

Elastic Mechanical Response of Thin Supported Star-Shaped Polymer Films.

ACS macro letters·2022

Same author

Surface Layer Dynamics in Miscible Polymer Blends.

ACS macro letters·2022

Same author

Morphological design strategies to tailor out-of-plane charge transport in conjugated polymer systems for device applications.

Physical chemistry chemical physics : PCCP·2021

Same author

Elucidating nanoscale mechanical properties of diabetic human adipose tissue using atomic force microscopy.

Scientific reports·2020

Search research articles

Related Experiment Video

Updated: Jun 13, 2026

Improved Polydimethylsiloxane (PDMS) Double Casting via Silicone Oil Treatment for Densely Packed Microstructure Replication

Improved Polydimethylsiloxane (PDMS) Double Casting via Silicone Oil Treatment for Densely Packed Microstructure Replication

Published on: July 18, 2025

Electrorheological phenomena in polyhedral silsesquioxane cage structure/PDMS systems.

E Carl McIntyre, Hyun Joon Oh, Peter F Green

ACS Applied Materials & Interfaces

|April 14, 2010

Summary

New electrorheological (ER) fluids using sulfonated polyhedral silsesquioxane (sPOSS) and poly(dimethyl siloxane) (PDMS) show significant viscosity changes. These POSS/PDMS systems exhibit ER activity comparable to conventional fluids but defy existing ER fluid theories.

More Related Videos

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Published on: March 8, 2019

Drawing and Hydrophobicity-patterning Long Polydimethylsiloxane Silicone Filaments

Drawing and Hydrophobicity-patterning Long Polydimethylsiloxane Silicone Filaments

Published on: January 7, 2019

Related Experiment Videos

Last Updated: Jun 13, 2026

Improved Polydimethylsiloxane (PDMS) Double Casting via Silicone Oil Treatment for Densely Packed Microstructure Replication

Improved Polydimethylsiloxane (PDMS) Double Casting via Silicone Oil Treatment for Densely Packed Microstructure Replication

Published on: July 18, 2025

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Published on: March 8, 2019

Drawing and Hydrophobicity-patterning Long Polydimethylsiloxane Silicone Filaments

Drawing and Hydrophobicity-patterning Long Polydimethylsiloxane Silicone Filaments

Published on: January 7, 2019

Area of Science:

Materials Science
Rheology
Nanotechnology

Background:

Electrorheological (ER) fluids, which alter viscosity under electric fields, are crucial for adaptive damping systems.
Conventional ER fluids often rely on specific particle morphologies and dielectric properties.
Polyhedral Silsesquioxane (POSS) structures offer unique nanoscale properties for material design.

Discussion:

This study introduces novel ER fluid formulations based on sulfonated polyhedral silsesquioxane (sPOSS) nanoparticles dispersed in a poly(dimethyl siloxane) (PDMS) matrix with silicone oil.
The sPOSS/PDMS mixtures demonstrate substantial electrorheological activity, with viscosity enhancements up to 100-fold at low sPOSS concentrations (<10 wt %).
Observed behavior under applied electric fields (E = 2 kV/mm) is comparable to conventional ER fluids, indicating practical potential.

Key Insights:

The electrorheological performance of sPOSS/PDMS systems is significant and achieved at low filler concentrations.
Measurements of shear stress, conductivity, and permittivity reveal deviations from established theories for conventional ER fluids.
This suggests a novel mechanism of electrorheological activity in these POSS-based nanocomposites.

Outlook:

Further investigation into the unique electrorheological mechanisms of sPOSS/PDMS systems is warranted.
These findings open new avenues for designing advanced ER fluids with tailored properties.
Potential applications include advanced dampers, actuators, and tunable fluid devices.