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Showing 1 to 20 of 52 for “"ionic polymer"”.
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Feedback Control of Ionic Polymer Actuators
An ionic polymer actuator consists of a thin Nafion-117 sheet plated with gold or platinum on both sides. An ionic polymer actuator undergoes large deformation in the presence of low applied voltage across its thickness and exhibits low impedance. They can also be used as large displacement sensors …
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TiO2-doped Ionic Polymer-Metal Composite Actuator
Ionic polymer metal composites (IPMCs) have received substantial attention in the past several years. IPMC actuators are capable of complex deformation in water and air and they are soft actuation materials with promising applications in wide range of fields, such as robotics and medical devices. …
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Electromechanical Modeling of Encapsulated Ionic Polymer Transducers
… allow the design and evaluation of encapsulated ionic polymer transducers is developed. This model in based on a linearly coupled, two port, electrical equivalent circuit model (Newbury, 2002). The proposed model incorporates multilayer beam theory to model the passive stiffness effects of the …
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Variational Modeling of Ionic Polymer-Based Structures
Ionomeric polymers are a promising class of intelligent material which exhibit electromechanical coupling similar to that of piezoelectric bimorphs. Ionomeric polymers are much more compliant than piezoelectric ceramics or polymers and have been shown to produce actuation strain on the order of 2\% …
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Transport and Anisotropy inside Ionic Polymer Membranes
… heterogeneity and molecular interactions inside ionic polymers. I first discuss a main deficiency of a standard protocol for calibrating high pulsed-field-gradient NMR. I show that high gradient calibration using low γ nuclei is not amenable to measurements on slow diffusing high γ nuclei. Then I …
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Characterization, Modeling, and Control of Ionic Polymer Transducers
Ionic polymers are a recently discovered class of active materials that exhibit bidirectional electromechanical coupling. They are `soft' transducers that perform best when the mechanical deformation involves bending of the transducer. Ionic polymers are low voltage actuators -- they only require …
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Development of Ionic Polymer Metallic Composites as sensors
Ionomeric polymer transducers (IPTs) are an exciting new class of smart materials that can serve a dual purpose in engineering or biomedical applications as sensors or actuators. Most commonly they are used for mechanical actuation, as they have the ability to generate large bending strains and …
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Modeling, simulation and applications of ionic polymer metal composites
… model is presented to predict the behavior of Ionic Polymer Metal Composite (IPMC). The analysis is carried out using commercial software COMSOL. The response of electro actuated IPMC, including the displacement and electric potentials profiles, of the IPMC is numerically calculated. …
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Micro-Manipulation and Bandwidth Characterization of Ionic Polymer Actuators
Ionic polymer materials are a class of electroactive polymers that have been used in recent applications that take advantage of their large bending deflection. Although these materials have been around since the 1960s, it has only been in the last decade that their electromechanical coupling has …
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DEVELOPMENT OF IONIC POLYMER NANOBRUSHES WITH APPLICATION IN MALDI-MS
… in the development and application of responsive polymer nanobrushes. Mainly, preparation of the polymer nanobrushes will center on the development of so called mixed polymer brushes composed of the ionic and neutral monomers. Such mixed polymer brushes have a range of applications and uses, and …
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Determining the role of charges in ionic polymer blend systems
… experimentally about the effect of charge in ionic multi-polymeric systems. Theory has shown that many charged systems have unusual phase diagrams that are asymmetric. Such a phenomenon would be ideal for tuning domain sizes or obtaining nontraditional structures in materials. One of the two …
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Actuation and Charge Transport Modeling of Ionic Liquid-Ionic Polymer Transducers
Ionic polymer transducers (IPTs) are soft sensors and actuators which operate through a coupling of micro-scale chemical, electrical, and mechanical mechanisms. The use of ionic liquid as solvent for an IPT has been shown to dramatically increase transducer lifetime in free-air use, while also …
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Modeling and characterization of ionic polymer transducers for sensing and actuation
Ionic polymer transducers comprise a class of active material that exhibit interesting chemoelectromechanical coupling capabilities. With the ability to convert energy between chemical, electrical and mechanical domains, these materials offer potential for use in numerous engineering applications. …
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Advanced Manufacturing of Microengineered Ionic Polymer Metal Composites for Enhanced Sensing Capabilities
Ionic Polymer Metal Composites (IPMCs) are ionic electroactive polymers thatexhibit active and passive actuation, sensing, and energy harvesting capabilities. The composite is comprised of an ionic exchange membrane that is sandwiched between two noble metal electrodes and infused with a polar …
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Manufacture and Characterization of Ionic Polymer Transducers Employing Non-Precious Metal Electrodes
Ionic polymer membranes are commonly used in fuel cell power generation, water electrolysis and desalinization, chlorine generation, and other niche applications. Since the early 1990s ionic polymer membranes have also shown promise as distributed electromechanical actuators and sensors. The cost …
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Characterization and Modeling of the Ionomer-Conductor Interface in Ionic Polymer Transducers
Ionomeric polymer transducers consist of an ion-exchange membrane plated with conductive metal layers on its outer surfaces. Such materials are known to exhibit electromechanical coupling under the application of electric fields and imposed deformation (Oguro et al., 1992; Shahinpoor et al., 1998). …
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A Novel Use for Ionic Polymer Transducers for Ionic Sensing in Liquid
Ionic electroactive polymers have been developed as mechanical sensors or actuators, taking advantage of the electromechanical coupling of the materials. This research attempts to take advantage of the chemomechanical and chemoelectrical coupling by characterizing the transient response as the …
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Effects of Electrode Surface Morphology on the Transduction of Ionic Polymer-Metal Composites
Ionic polymer-metal composites (IPMCs) are innovative smart materials that exhibit electromechanical and mechanoelectrical transduction (conversion of electrical input into mechanical deformation and vice versa). Due to low driving voltage (< 5 V) and ability to operate in aqueous environment, …
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Characterization, Modeling, and Control of the Nonlinear Actuation Response of Ionic Polymer Transducers
Ionic polymer transducers are a class of electroactive polymer materials that exhibit coupling between the electrical, chemical, and mechanical domains. With the ability for use as both sensors and actuators, these compliant, light weight, low voltage materials have the potential to benefit diverse …
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