High breakdown-strength composites from liquid silicone rubbers

Sindhu Vudayagiri; Shamsul Bin Zakaria; Liyun Yu; Suzan Sager Hassouneh; Mohamed Benslimane; Anne Ladegaard Skov

doi:10.1088/0964-1726/23/10/105017

High breakdown-strength composites from liquid silicone rubbers

Sindhu Vudayagiri, Shamsul Bin Zakaria, Liyun Yu, Suzan Sager Hassouneh, Mohamed Benslimane, Anne Ladegaard Skov

Danfoss AS

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

In this paper we investigate the performance of liquid silicone rubbers (LSRs) as dielectric elastomer transducers. Commonly used silicones in this application include room-temperature vulcanisable (RTV) silicone elastomers and composites thereof. Pure LSRs and their composites with commercially available fillers (an anatase TiO2, a core–shell TiO2-SiO2 and a CaCu3Ti4O12 filler) are evaluated with respect to dielectric permittivity, elasticity (Young’s modulus) and electrical breakdown strength. Film formation properties are also evaluated. The best-performing formulations are those with anatase TiO2 nanoparticles, where the highest relative dielectric permittivity of 5.6 is obtained, and with STX801, a core–shell morphology TiO2-SiO2 filler from Evonik, where the highest breakdown strength of 173 V μm−1 is obtained.

Original language	English
Article number	105017
Journal	Smart Materials and Structures
Volume	23
Issue number	10
Number of pages	16
ISSN	0964-1726
DOIs	https://doi.org/10.1088/0964-1726/23/10/105017
Publication status	Published - 2014

Keywords

Dielectric-electroactive polymers
Liquid silicone rubbers
Dielectric breakdown
Dielectric permittivity
Figure of merit

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10.1088/0964-1726/23/10/105017

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title = "High breakdown-strength composites from liquid silicone rubbers",

abstract = "In this paper we investigate the performance of liquid silicone rubbers (LSRs) as dielectric elastomer transducers. Commonly used silicones in this application include room-temperature vulcanisable (RTV) silicone elastomers and composites thereof. Pure LSRs and their composites with commercially available fillers (an anatase TiO2, a core–shell TiO2-SiO2 and a CaCu3Ti4O12 filler) are evaluated with respect to dielectric permittivity, elasticity (Young{\textquoteright}s modulus) and electrical breakdown strength. Film formation properties are also evaluated. The best-performing formulations are those with anatase TiO2 nanoparticles, where the highest relative dielectric permittivity of 5.6 is obtained, and with STX801, a core–shell morphology TiO2-SiO2 filler from Evonik, where the highest breakdown strength of 173 V μm−1 is obtained.",

keywords = "Dielectric-electroactive polymers, Liquid silicone rubbers, Dielectric breakdown, Dielectric permittivity, Figure of merit",

author = "Sindhu Vudayagiri and Zakaria, {Shamsul Bin} and Liyun Yu and Hassouneh, {Suzan Sager} and Mohamed Benslimane and Skov, {Anne Ladegaard}",

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doi = "10.1088/0964-1726/23/10/105017",

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T1 - High breakdown-strength composites from liquid silicone rubbers

AU - Vudayagiri, Sindhu

AU - Zakaria, Shamsul Bin

AU - Yu, Liyun

AU - Hassouneh, Suzan Sager

AU - Benslimane, Mohamed

AU - Skov, Anne Ladegaard

PY - 2014

Y1 - 2014

N2 - In this paper we investigate the performance of liquid silicone rubbers (LSRs) as dielectric elastomer transducers. Commonly used silicones in this application include room-temperature vulcanisable (RTV) silicone elastomers and composites thereof. Pure LSRs and their composites with commercially available fillers (an anatase TiO2, a core–shell TiO2-SiO2 and a CaCu3Ti4O12 filler) are evaluated with respect to dielectric permittivity, elasticity (Young’s modulus) and electrical breakdown strength. Film formation properties are also evaluated. The best-performing formulations are those with anatase TiO2 nanoparticles, where the highest relative dielectric permittivity of 5.6 is obtained, and with STX801, a core–shell morphology TiO2-SiO2 filler from Evonik, where the highest breakdown strength of 173 V μm−1 is obtained.

AB - In this paper we investigate the performance of liquid silicone rubbers (LSRs) as dielectric elastomer transducers. Commonly used silicones in this application include room-temperature vulcanisable (RTV) silicone elastomers and composites thereof. Pure LSRs and their composites with commercially available fillers (an anatase TiO2, a core–shell TiO2-SiO2 and a CaCu3Ti4O12 filler) are evaluated with respect to dielectric permittivity, elasticity (Young’s modulus) and electrical breakdown strength. Film formation properties are also evaluated. The best-performing formulations are those with anatase TiO2 nanoparticles, where the highest relative dielectric permittivity of 5.6 is obtained, and with STX801, a core–shell morphology TiO2-SiO2 filler from Evonik, where the highest breakdown strength of 173 V μm−1 is obtained.

KW - Dielectric-electroactive polymers

KW - Liquid silicone rubbers

KW - Dielectric breakdown

KW - Dielectric permittivity

KW - Figure of merit

U2 - 10.1088/0964-1726/23/10/105017

DO - 10.1088/0964-1726/23/10/105017

M3 - Journal article

SN - 0964-1726

VL - 23

JO - Smart Materials and Structures

JF - Smart Materials and Structures

IS - 10

M1 - 105017

ER -

High breakdown-strength composites from liquid silicone rubbers

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Keywords

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