Abstract
Copper phthalocyanine oligomer (CuPc) possessing high dielectric constant was grafted onto acrylic elastomer (ACM) backbones to fabricate elastomeric nanocomposites (referred to here as ACM-g-CuPc) with high dielectric constant. High strain of ACM-g-CuPc film could be achieved at low electric field. The electric field-induced strain properties of ACM-g-CuPc films were studied from four aspects: the pre-stretch value, butyl acrylate (BA) content, active region-to-window radius ratio, and strain hysteresis. The results revealed that the area strain in the active region first increased and then decreased with the increase in the pre-stretch value; however, it increased with the increase in BA content and decreased with the increase in the active region-to-window radius ratio. When the active region-to-window radius ratio was 1:5, the ACM-g-CuPc film with 60 wt% BA content and 150 × 150 % pre-stretch value exhibited the maximum area strain of 23.8 % under an electric field of 12.5 MV m−1. In a complete driving period, ACM-g-CuPc film exhibited a strain hysteresis phenomenon, forming a strain hysteresis loop.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (No. 21174063), the Natural Science Foundation of Jiangsu Province (No. BK20131358), the Aeronautical Science Foundation of China (No. 2011ZF52063 and No. 2014ZF52069), and A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD).
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Zhang, S., Wang, J., Ding, X. et al. Electroactive strain properties of acrylic resin elastomer-based composite films. Polym. Bull. 72, 2059–2073 (2015). https://doi.org/10.1007/s00289-015-1389-1
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DOI: https://doi.org/10.1007/s00289-015-1389-1