Electroactive Polymers: Developments of and Perspectives for Dielectric Elastomers

Biggs, James D.; Danielmeier, Karsten; Hitzbleck, Julia; Krause, Jens; Kridl, Tom; Nowak, S.; Orselli, Enrico; Quan, Xina; Schapeler, Dirk; Sutherland, W. M.; Wagner, Joachim

doi:10.1002/anie.201301918

Cited by 240 publications

(243 citation statements)

References 49 publications

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“…For the large deformation requirements of dielectric elastomer sensors, many classes of dielectric materials have been investigated, including acrylates, silicones, polyurethanes (PU), rubbers, latex rubbers, acrylonitrile butadiene rubbers, olefinic, polymer foams, fluorinated and styrenic copolymers [7]. Acrylates and silicon rubbers such as VHB, polydimethylsiloxane (PDMS) and Ecoflex have been widely used in fabricating flexible sensing devices due to their commercial availability and good performance [9,12,13].…”

Section: Materials Of Dielectric Elastomer Sensorsmentioning

confidence: 99%

“…The relative dielectric constant and modulus are important properties in the performance of dielectric elastomer sensors. The typical properties of a number of candidate polymers are listed in Table 1 [7,[14][15][16][17].…”

Section: Materials Of Dielectric Elastomer Sensorsmentioning

confidence: 99%

“…It can be stretched more than six times its initial length [9], and the strain is nearly linear with stress to as much as three times the initial length of the film [7]. VHB acrylates have a dielectric constant that is higher than silicon rubbers.…”

Section: Materials Of Dielectric Elastomer Sensorsmentioning

confidence: 99%

“…Many silicone materials are produced commercially, such as Dow Cording Sylgard184. The modulus of these materials typically ranges from 0.1 to 2 MPa and their dielectric constants are generally around 3 [7]. Their elongation at break is less than that of VHB adhesive film.…”

Section: Elastomers 234mentioning

confidence: 99%

“…Recently, several reviews have been published in the literature, which have detailed the properties and chemistry of dielectric elastomers [6,7]. However, these reviews focused primarily on the development of dielectric elastomer actuators and generators.…”

Section: Introductionmentioning

confidence: 99%

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Dielectric Elastomer Sensors

Ni¹,

Zhang²

2017

Elastomers

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Dielectric elastomers (DEs) represent a class of electroactive polymers (EAPs) that exhibit a significant electromechanical effect, which has made them very attractive over the last several decades for use as soft actuators, sensors and generators. Based on the principle of a plane-parallel capacitor, dielectric elastomer sensors consist of a flexible and stretchable dielectric polymer sandwiched between two compliant electrodes. With the development of elastic polymers and stretchable conductors, flexible and sensitive dielectric elastomer tactile sensors, similar to human skin, have been used for measuring mechanical deformations, such as pressure, strain, shear and torsion. For high sensitivity and fast response, air gaps and microstructural dielectric layers are employed in pressure sensors or multiaxial force sensors. Multimodal dielectric elastomer sensors have been reported that can detect mechanical deformation but can also sense temperature, humidity, as well as chemical and biological stimulation in human-activity monitoring and personal healthcare. Hence, dielectric elastomer sensors have great potential for applications in soft robotics, wearable devices, medical diagnostic and structural health monitoring, because of their large deformation, low cost, ease of fabrication and ease of integration into monitored structures.

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Section: Materials Of Dielectric Elastomer Sensorsmentioning

confidence: 99%

Section: Materials Of Dielectric Elastomer Sensorsmentioning

confidence: 99%

Section: Materials Of Dielectric Elastomer Sensorsmentioning

confidence: 99%

Section: Elastomers 234mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Dielectric Elastomer Sensors

Ni¹,

Zhang²

2017

Elastomers

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Electroactive Polymer Actuators

Ismail

Shabeeba

Sidheekha

et al. 2023

Encyclopedia of Polymer Science and Technology

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Electroactive polymers (EAPs) have emerged as feasible materials to emulate biological muscles due to their ability to undergo significant changes in shape or size in response to electrical stimulation. They have received immense consideration in various fields of applications such as robotics, biomimetics, wearable electronics, prosthetics, optical devices, and so on owing to their mechanical flexibility, easy processing, light weight, low density, fracture tolerance, pliability, and the ability to induce large actuation strains than other conventional mechanically responsive polymers. Electronic EAPs including dielectric elastomers, ferroelectric polymers, liquid crystal elastomers, and electrostrictive graft polymers are driven by electric fields or Coulomb forces and require high voltage for activation. While ionic EAPs such as ionic polymer metal composites, ionic gels, conducting polymers, carbon nanotubes, and electrorheological fluids are driven by the drifting or diffusion of ions and operate at lower voltages. The emphasis in this article is on the studies of key materials used in the field of electroactive polymer actuators, reviewing the mechanism that drives the actuation, highlighting their advantages and disadvantages, and discussing their applications.

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Materials for Extreme Environments

2021

Polymers and Additives in Extreme Environments

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Electroactive Polymers: Developments of and Perspectives for Dielectric Elastomers

Abstract: We present the development and applications of dielectric elastomers. For the last 10 years the significance of this class of polymers has risen as more applications seem possible and first products have been commercialized.

Cited by 240 publications

References 49 publications

Dielectric Elastomer Sensors

Dielectric Elastomer Sensors

Electroactive Polymer Actuators

Materials for Extreme Environments

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