期刊
POLYMERS
卷 13, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/polym13162713
关键词
electro-responsive polymers; conventional fabrication; additive manufacturing; polymer processing and performance; electroactive material; 4D printing
资金
- FEDER funds through the programs COMPETE 2020Programa Operacional Fatores de Competitividade-Portugal 2020
- national funds through FCT-Fundacao para a Ciencia e a Tecnologia, I.P. [POCI-01-0145-030767, POCI-01-0247-FEDER-024533, UIDB/00285/2020.]
- Fundação para a Ciência e a Tecnologia [UIDB/00285/2020] Funding Source: FCT
This review summarizes the recent developments in developing EAPs over the past five years, covering both traditional and non-traditional polymer processing methods, as well as the technologies behind each processing technique, electromechanical response mechanisms of EAPs, and commonly used materials. The main conclusions and future trends regarding EAPs obtained by conventional and non-conventional technologies are also provided.
Electroactive polymers (EAPs), materials that present size/shape alteration in response to an electrical stimulus, are currently being explored regarding advanced smart devices, namely robotics, valves, soft actuators, artificial muscles, and electromechanical sensors. They are generally prepared through conventional techniques (e.g., solvent casting and free-radical polymerization). However, non-conventional processes such as those included in additive manufacturing (AM) are emerging as a novel approach to tune and enhance the electromechanical properties of EAPs to expand the scope of areas for this class of electro-responsive material. This review aims to summarize the published work (from the last five years) in developing EAPs either by conventional or non-conventional polymer processing approaches. The technology behind each processing technique is discussed as well as the main mechanism behind the electromechanical response. The most common polymer-based materials used in the design of current EAPs are reviewed. Therefore, the main conclusions and future trends regarding EAPs obtained by conventional and non-conventional technologies are also given.
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