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Mesophase Structure-Enabled Electrostrictive Property in Nylon-12-Based Poly(ether-block-amide) Copolymers

Journal Article · · Macromolecular Materials and Engineering
 [1];  [2];  [2];  [2];  [3];  [4];  [1];  [2]
  1. Chulalongkorn Univ., Bangkok (Thailand)
  2. Case Western Reserve Univ., Cleveland, OH (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)
  4. National Metal and Materials Technology Center, Pathumthani (Thailand)

In this work, to search for alternative electrostrictive polymers and to understand the underlying mechanism, the structure-ferroelectric/electrostrictive property relationship for nylon-12-based poly(ether-b-amide) multiblock copolymers (PEBAX) is investigated. Two PEBAX samples are studied, namely, P6333 and P7033 with 37 and 25 mol.% of soft poly(tetramethylene oxide) (PTMO) blocks, respectively. In both samples, poorly hydrogen-bonded mesophase facilitates electric field-induced ferroelectric switching. Meanwhile, the longitudinal electrostrictive strain (S1)–electric field (E) loops are obtained at 2 Hz. Different from conventional poly(vinylidene fluoride-co-trifluoroethylene) [P(VDF-TrFE)]-based terpolymers, uniaxially stretched nylon-12-based PEBAX samples exhibit negative S1, that is, shrinking rather than elongation in the longitudinal direction. Additionally, this is attributed to the unique conformation transformation of nylon-12 crystals during ferroelectric switching. Namely, at a zero electric field, crystalline nylon-12 chains adopt a more or less antiparallel arrangement of amide groups. Upon high-field poling, ferroelectric domains are enforced with more twisted chains adopting a parallel arrangement of amide groups. Meanwhile, extensional S1 is observed for P6333 at electric fields above 150 MV m-1. This is attributed to the elongation of the amorphous phases (i.e., amorphous nylon-12 and PTMO). Therefore, competition between shrinking S1 from mesomorphic nylon-12 crystals (i.e., nanoactuation) and elongational S1 from amorphous phases determines the ultimate electrostriction behavior in stretched PEBAX films.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
SC0012704
OSTI ID:
1569557
Alternate ID(s):
OSTI ID: 1543041
Report Number(s):
BNL--212138-2019-JAAM
Journal Information:
Macromolecular Materials and Engineering, Journal Name: Macromolecular Materials and Engineering Journal Issue: 9 Vol. 304; ISSN 1438-7492
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

References (54)

High Electromechanical Responses in a Poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) Terpolymer journal November 2002
Enhanced Dielectric and Electromechanical Responses in High Dielectric Constant All-Polymer Percolative Composites journal May 2004
Visualizing Ion Currents in Conjugated Polymers journal September 2004
Microstructure and Electromechanical Properties of Carbon Nanotube/ Poly(vinylidene fluoride—trifluoroethylene—chlorofluoroethylene) Composites journal August 2005
Electrostrictive effect in polyurethanes journal April 2003
Advances in Dielectric Elastomers for Actuators and Artificial Muscles journal January 2010
Electrostrictive polymers for mechanical energy harvesting journal February 2012
Solid state structure–property behavior of semicrystalline poly(ether-block-amide) PEBAX® thermoplastic elastomers journal January 2003
Theory of dielectric elastomers journal December 2010
Electrostrictive poly(vinylidene fluoride-trifluoroethylene) copolymers journal May 2001
High-field deformation of elastomeric dielectrics for actuators journal November 2000
Enhanced electromechanical performances in plasticizer modified electrostrictive polymers journal March 2016
Gas permeability of melt-processed poly(ether block amide) copolymers and the effects of orientation journal March 2012
Novel polymer ferroelectric behavior via crystal isomorphism and the nanoconfinement effect journal March 2013
Modeling of segmented pure polyurethane electrostriction behaviors based on their nanostructural properties journal April 2015
Understanding reversible Maxwellian electroactuation in a 3M VHB dielectric elastomer with prestrain journal May 2018
Electroactive polymer based microfluidic pump journal January 2006
High-strain ionomeric–ionic liquid electroactive actuators journal January 2006
Multilayered relaxor ferroelectric polymer actuators for low-voltage operation fabricated with an adhesion-mediated film transfer technique journal December 2013
Plasticized relaxor ferroelectric terpolymer: Toward giant electrostriction, high mechanical energy and low electric field actuators journal March 2014
Unified Understanding of Ferroelectricity in n -Nylons: Is the Polar Crystalline Structure a Prerequisite? journal April 2016
Understanding the Paraelectric Double Hysteresis Loop Behavior in Mesomorphic Even-Numbered Nylons at High Temperatures journal July 2017
Achieving Relaxor Ferroelectric-like Behavior in Nylon Random Copolymers and Terpolymers journal December 2017
Exploring Strategies for High Dielectric Constant and Low Loss Polymer Dielectrics journal October 2014
Crystal Orientation and Temperature Effects on Double Hysteresis Loop Behavior in a Poly(vinylidene fluoride- co -trifluoroethylene- co -chlorotrifluoroethylene)- graft -Polystyrene Graft Copolymer journal December 2013
An all-organic composite actuator material with a high dielectric constant journal September 2002
High electrostrictive strain under high mechanical stress in electron-irradiated poly(vinylidene fluoride-trifluoroethylene) copolymer journal October 1999
High-dielectric-constant ceramic-powder polymer composites journal June 2000
Ferroelectric and electromechanical properties of poly(vinylidene-fluoride–trifluoroethylene–chlorotrifluoroethylene) terpolymer journal April 2001
Enhanced electromechanical properties in all-polymer percolative composites journal April 2004
Large electrostrictive strain at gigahertz frequencies in a polymer nanoactuator: Computational device design journal February 2005
Colossal dielectric and electromechanical responses in self-assembled polymeric nanocomposites journal October 2005
An active energy harvesting scheme with an electroactive polymer journal September 2007
Piezoelectric, dielectric, and elastic properties of poly(vinylidene fluoride/trifluoroethylene) journal September 1993
Characteristics of the electromechanical response and polarization of electric field biased ferroelectrics journal March 1995
Transverse strain responses in electrostrictive poly(vinylidene fluoride-trifluoroethylene) films and development of a dilatometer for the measurement journal August 1999
Physical modeling of the electromechanical behavior of polar heterogeneous polymers journal December 2012
Viscoelastic effect and creep elimination of dielectric elastomers in adversarial resonance journal October 2016
Ferroelectric properties of vinylidene fluoride copolymers journal August 1989
Ionic polymer-metal composites (IPMCs) as biomimetic sensors, actuators and artificial muscles - a review journal December 1998
Electrostriction of a Polyurethane Elastomer-Based Polyester journal August 2006
Investigation of electrostrictive polymers for energy harvesting journal December 2005
Poly(vinylidene-fluoride-trifluoroethylene) based high-performance electroactive polymers conference July 2003
Electrostrictive polymers for mechanical energy harvesting conference July 2004
Electrically, Chemically, and Photonically Powered Torsional and Tensile Actuation of Hybrid Carbon Nanotube Yarn Muscles journal November 2012
Stretchable, Transparent, Ionic Conductors journal August 2013
Ferroelectric Polymers journal June 1983
Giant Electrostriction and Relaxor Ferroelectric Behavior in Electron-Irradiated Poly(vinylidene fluoride-trifluoroethylene) Copolymer journal June 1998
High-Speed Electrically Actuated Elastomers with Strain Greater Than 100% journal February 2000
Microfabricating Conjugated Polymer Actuators journal November 2000
Experimental Investigation on Electrochemical Properties of Ionic Polymer–Metal Composite journal May 2006
Ferroelectric Polymers book January 1995
Varifocal liquid-filled microlens operated by an electroactive polymer actuator journal January 2011
Electroactive Polymer Actuators and Sensors journal March 2008

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