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Updated: Jun 26, 2026

Fabrication Process of Silicone-based Dielectric Elastomer Actuators

Fabrication Process of Silicone-based Dielectric Elastomer Actuators

Published on: February 1, 2016

A Concise Guide to Silicone-Based Spring-Roll Actuator Assembly.

Gagik Ghazaryan¹, Alina Khmelnitskaia¹, Igor Bezsudnov¹

¹Enikolopov Institute of Synthetic Polymeric Materials of Russian Academy of Sciences, Profsoyuznaya Str. 70, 117393 Moscow, Russia.

|October 14, 2023

Summary

This summary is machine-generated.

This study introduces a new silicone-based spring-roll actuator, overcoming limitations of previous acrylate designs. The novel actuator demonstrates robust performance, offering rapid response and improved durability for broader applications.

Keywords:

carbon nanotubes coating compliant electrodes dielectric elastomers spring-roll actuator

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Area of Science:

Materials Science
Robotics
Polymer Science

Background:

Spring-roll actuators, based on dielectric elastomers (DEs), offer muscle-like deformations but are limited by acrylate material properties.
Acrylate-based DEs exhibit sensitivity to environmental factors (temperature, humidity) and slow response times, hindering commercialization.
Existing actuators struggle with durability and performance under demanding conditions.

Purpose of the Study:

To develop a novel spring-roll actuator utilizing silicone dielectric elastomers (DEs) for enhanced performance and commercial viability.
To address the limitations of acrylate-based actuators, specifically their environmental sensitivity and slow response.
To improve the interfacial adhesion and overall electro-mechanical integrity of the actuator.

Main Methods:

Fabrication of a spring-roll actuator using commercial silicone DEs.
Deposition of electrodes onto a pre-strained DE film.
Coating the DE film with a functional organosilicone polymer composite to enhance adhesion.
Rolling the coated DE film around a metal spring.

Main Results:

The silicone-based spring-roll actuator demonstrated a load-bearing capacity of 200 times its own weight.
Achieved a displacement of 6% at an applied electric field of 90 V/μm.
The organosilicone coating improved interfacial adhesion and maintained electro-mechanical properties.

Conclusions:

Silicone DEs offer a promising alternative to acrylates for spring-roll actuators, enabling faster response and wider processing temperatures.
The developed actuator exhibits significant load-bearing capacity and displacement, suitable for various applications.
The functional coating is crucial for enhancing actuator integrity and performance, paving the way for commercial use.