Effect of multi-armed chain extender on microphase morphology, stress-strain behavior and electromechanical properties of polyurethane elastomers

High dielectric constant and low modulus of thermoplastic polyurethane elastomers (PUEs) are required for various applications in actuators, sensors and energy harvestings. In this work, we controlled the microphase separated morphology of PUEs by regulation of the content of hydroxyl-terminated fou...

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Veröffentlicht in:	Polymer (Guilford) 2021-11, Vol.235, p.124279, Article 124279
Hauptverfasser:	Liang, Yongri, Cui, Tongtong, Liu, Li
Format:	Artikel
Sprache:	eng
Schlagworte:	Actuation Actuators Chain branching Crystallization Dielectric constant Dielectric elastomer Dielectric property Domains Elastomers Electromechanical cooping Elongation Fabrication Hydrogen bonding J-shaped stress-strain curve Long-chain branched structure Morphology Polycaprolactone Polymers Polyurethane Polyurethane resins Segments Stress-strain curves Stress-strain relationships Tensile strength Urethane thermoplastic elastomers
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