A facile method to fabricate polyurethane based graphene foams/epoxy/carbon nanotubes composite for electro-active shape memory application

Zhou, Jie; Li, Hua; Liu, Weiwei; Dugnani, Roberto; Tian, Ruijun; Xue, Wenchao; Chen, Yujie; Guo, Yiping; Duan, Huanan; Liu, Hezhou

doi:10.1016/j.compositesa.2016.10.021

Cited by 45 publications

(20 citation statements)

References 47 publications

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“…Some recent studies [23][24][25] have shown that as compared to the direct mixing of graphene with a polymer matrix, the construction of a three-dimensional conductive network by the porous structure of a sponge as a template is a more effective method for the preparation of advanced functional composites for applications in the elds of sensors, exible conductors, and energy storage. Zhou et al 23 used polyurethane sponge as a template and graphene and carbon nanotubes as conductive llers for the preparation of epoxy resin composites with low density, superelasticity, high recovery rate, electroactive shape memory and reversible compressibility. Yang et al 24 have used thermostable polyimide (PI) sponges as a template to obtain conductive reduced graphene oxide (rGO)-loaded PI sponges that display excellent mechanical stability and exibility and can be used as effective pressure sensors to measure heartbeat, joint activity, and airow.…”

Section: Introductionmentioning

confidence: 99%

A reduced graphene oxide–borate compound-loaded melamine sponge/silicone rubber composite with ultra-high dielectric constant

Zhang

Dai

et al. 2019

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

A reduced graphene oxide–borate compound-loaded melamine sponge/silicone rubber composite with ultra-high dielectric constant

Zhang

Dai

et al. 2019

RSC Adv.

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“…Further, the 3D interconnection of graphene can be obtained by freeze casting, self-gelation, and chemical vapor deposition. In polymer foams, the graphene not only increases conductivity but also contributes to the improved mechanical properties [ 123 , 125 , 126 , 127 ]. Furthermore, carbon fiber and oxidized graphite also show high electrical conductivity because of their high surface area and surface polarity.…”

Section: Applications Of Shape-memory Polymeric Artificial Musclesmentioning

confidence: 99%

Shape-Memory Polymeric Artificial Muscles: Mechanisms, Applications and Challenges

Chen

Rehman

et al. 2020

Molecules

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Shape-memory materials are smart materials that can remember an original shape and return to their unique state from a deformed secondary shape in the presence of an appropriate stimulus. This property allows these materials to be used as shape-memory artificial muscles, which form a subclass of artificial muscles. The shape-memory artificial muscles are fabricated from shape-memory polymers (SMPs) by twist insertion, shape fixation via Tm or Tg, or by liquid crystal elastomers (LCEs). The prepared SMP artificial muscles can be used in a wide range of applications, from biomimetic and soft robotics to actuators, because they can be operated without sophisticated linkage design and can achieve complex final shapes. Recently, significant achievements have been made in fabrication, modelling, and manipulation of SMP-based artificial muscles. This paper presents a review of the recent progress in shape-memory polymer-based artificial muscles. Here we focus on the mechanisms of SMPs, applications of SMPs as artificial muscles, and the challenges they face concerning actuation. While shape-memory behavior has been demonstrated in several stimulated environments, our focus is on thermal-, photo-, and electrical-actuated SMP artificial muscles.

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“…However, due to the insulating properties of most polymers, researchers have introduced graphene into shape-memory material systems and improved the electrical conductivity of materials by building conductive paths to improve the electro-active shape-memory effect Sabzi et al, 2016;Sofla et al, 2019). Zhou et al (2016) prepared three-dimensional PU-based graphene foam/EP/CNT (PGEC) shape-memory composites using shape-memory EP as a matrix, PU sponges as the stent, and graphene and CNTs as a conductive network. The conductivity of materials with different graphene contents is not the same.…”

Section: Electro-active Graphene/epoxy Compositesmentioning

confidence: 99%

Graphene Nanoarchitectonics: A New Material Horizon for Reinforcement of Sustainable Polymers

et al. 2020

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Using nanoscience to solve the issues that limit the development of a sustainable society is one of the most important topics at present. Sustainable polymers play an important role in the construction of a sustainable society, but its large-scale application is usually limited by the poor mechanical and shape-memory properties of the commonly used epoxy resin. The utilization of nanoarchitectures to improve the shape-memory performance of composite materials is an effective approach. Graphene, among the used reinforcement materials for epoxy resin, is undoubtedly a fascinating example. In this paper, the shape-memory and mechanical properties of graphene-modified epoxy resins are described respectively for different response types. In this minireview, we present an overview of the research results of graphene nanoarchitectonics in the modification of shape-memory epoxy resin composites. Besides, this paper has reviewed the properties of different types of graphene/epoxy composites, looking forward to the development of graphene/epoxy composites and future prospects.

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A facile method to fabricate polyurethane based graphene foams/epoxy/carbon nanotubes composite for electro-active shape memory application

Cited by 45 publications

References 47 publications

A reduced graphene oxide–borate compound-loaded melamine sponge/silicone rubber composite with ultra-high dielectric constant

A reduced graphene oxide–borate compound-loaded melamine sponge/silicone rubber composite with ultra-high dielectric constant

Shape-Memory Polymeric Artificial Muscles: Mechanisms, Applications and Challenges

Graphene Nanoarchitectonics: A New Material Horizon for Reinforcement of Sustainable Polymers

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