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Dielectric elastomers (DE) 1

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Synthesis and characterization of biodegradable thermoplastic elastomers derived from N′,N-bis (2-carboxyethyl

Jiaojiao Shang, Guo Yao, Ronghui Guo, Wei Zheng, Long Gu, Jianwu Lan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3, Pages 457-466 doi: 10.1007/s11705-018-1716-9

Abstract:

Biodegradable poly(ether-imide-ester) elastomers were synthesized from succinic acid, 1,4-butanediolcrystallinities, thermal stabilities, mechanical properties, hydrophilicities and biodegradabilities of these elastomersreduced the crystallinity of the material and improved the thermal stability and tensile strength of the elastomersintroducing a suitable amount of aromatic bisimide moieties into the poly(ether-ester) backbones endowed the elastomersimproved biodegradability but too many aromatic bisimide groups reduced the biodegradability of the elastomers

Keywords： thermoplastic elastomers biodegradability thermo-stability mechanical property aromatic bisimide moiety

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Impregnation of thermoplastic resin in jute fiber mat

LIU Xiaoye, DAI Gance

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2, Pages 145-149 doi: 10.1007/s11705-008-0030-3

Abstract: Impregnation rate of thermoplastic resin (polypropylene) in jute fiber mat and influence of relative

Keywords： polypropylene diameter influence proportional impregnation

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Microcellular injection molding process for producing lightweight thermoplastic polyurethane with customizable

Thomas ELLINGHAM, Hrishikesh KHARBAS, Mihai MANITIU, Guenter SCHOLZ, Lih-Sheng TURNG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1, Pages 96-106 doi: 10.1007/s11465-018-0498-6

Abstract: molding with core retraction and an “out-of-mold” expansion was developed to manufacture thermoplastic

Keywords： thermoplastic polyurethane microcellular injection molding cavity expansion compressive strength hysteresis

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Deep eutectic solvent inclusions for high- composite dielectric elastomers

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6, Pages 996-1002 doi: 10.1007/s11705-022-2138-2

Abstract: High-performance dielectric elastomers with good mechanical stretchability and high dielectric constantwe have successfully developed a novel strategy for improving the dielectric constant of polymeric elastomersThe as-prepared composite elastomers showed good stretchability and a greatly enhanced dielectric constantthat low-cost, easy-synthesis and environmentally friendly deep eutectic solvents including composite elastomersfor large-scale industrial production and can greatly broaden the application fields of dielectric elastomers

Keywords： composite materials deep eutectic solvent dielectric elastomer high dielectric constant

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Creep and recovery behaviors of magnetorheological elastomers

Weihua LI, Yang ZHOU, Tongfei TIAN, Gursel ALICI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3, Pages 341-346 doi: 10.1007/s11465-010-0096-8

Abstract: paper presents experimental and modeling study of creep and recovery behaviors of magneto-rheological elastomers

Keywords： magneto-rheological elastomers (MREs) creep recovery linear viscoelastic model

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Study on Ignition of Thermoplastic Linings

Xu Liang,Zhang Heping and Wan Yutian

Strategic Study of CAE 2007, Volume 9, Issue 12, Pages 39-43

Abstract: Cone calorimeter was employed to study the ignitability of common thermoplastics, and the numerical and linear regression methods were used to deduce the ignition model for intermediate thermal thickness. Then the ignition time data was analyzed with the deduced model to get the critical heat flux, ignition temperature and thermal properties for the studied materials.The results showed that the deduced critical heat flux and ignition temperatures agreed well with those from literature,which indicated that the model is applicable.

Keywords： thermoplastics ignitability critical heat flux ignition temperature

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Current Status and Prospects of High-Performance Synthetic Rubber in China

Xu Lin, Zeng Benzhong, Wang Chao, Zhang Fubao

Strategic Study of CAE 2020, Volume 22, Issue 5, Pages 128-136 doi: 10.15302/J-SSCAE-2020.05.012

Abstract: styrene-butadiene rubber, neodymium-based cis-1,4-polybutadiene rubber, branched butyl rubber, and functionalized thermoplasticelastomer, as well as special rubber materials such as hydrogenated nitrile rubber, thermoplastic vulcanized

Keywords： synthetic rubber，thermoplastic elastomer，special rubber material，development strategy

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Artificial muscles for wearable assistance and rehabilitation Review

Tian-yun DONG, Xiang-liang ZHANG, Tao LIU

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 11, Pages 1303-1315 doi: 10.1631/FITEE.1800618

Abstract:

Traditional exoskeletons have made considerable contributions to people in terms of providing wearable assistance and rehabilitation. However, exoskeletons still have some disadvantages, such as being heavy, bulky, stiff, noisy, and having a fixed center of rotation that can be a burden on elders and patients with weakened muscles. Conversely, artificial muscles based on soft, smart materials possess the attributes of being lightweight, compact, highly flexible, and have mute actuation, for which they are considered to be the most similar to natural muscles. Among these materials, dielectric elastomer (DE) and polyvinyl chloride (PVC) gel exhibit considerable actuation strain, high actuation stress, high response speed, and long life span, which give them great potential for application in wearable assistance and rehabilitation. Unfortunately, there is very little research on the application of these two materials in these fields. In this review, we first introduce the working principles of the DE and PVC gel separately. Next, we summarize the DE materials and the preparation of PVC gel. Then, we review the electrodes and self-sensing systems of the two materials. Lastly, we present the initial applications of these two materials for wearable assistance and rehabilitation.

Keywords： Artificial muscle Smart material Dielectric elastomers (DE) Polyvinyl chloride (PVC) gel Actuator Wearable

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Ionic Elastomers for Electric Actuators and Sensors Review

Chenrun Feng, C.P. Hemantha Rajapaksha, Antal Jákli

Engineering 2021, Volume 7, Issue 5, Pages 581-602 doi: 10.1016/j.eng.2021.02.014

Abstract:

In the past decades, ion conductive polymers and elastomers have drawn worldwide attention for theirStretchable ionic elastomers with dispersed soft ionic moieties such as ionic liquids have gained remarkablefor future actuators, such as adaptive four-dimensional (4D) printed systems and ionic liquid crystal elastomers

Keywords： Soft robots Ionic electroactive elastomer Ionic elastomer sensor Programmable deformation Liquid crystal elastomer