Mechanical performance improvement of electroactive papers

Jaehwan Kim; Yung B. Seo; Eunmi Jung

doi:10.1117/12.432683

16 July 2001 Mechanical performance improvement of electroactive papers

Jaehwan Kim, Yung B. Seo, Eunmi Jung

Proceedings Volume 4329, Smart Structures and Materials 2001: Electroactive Polymer Actuators and Devices; (2001) https://doi.org/10.1117/12.432683
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

Electro-Active Paper (EAPap) is a paper that produces large displacement with small force under electrical excitation. EAPap is made with a chemically treated paper by bonding thin aluminum foils on both sides of the paper to comprise electrodes. When electric voltage is applied on the electrodes the EAPap produces bending displacement. However, the displacement output has been unstable and degraded with time scale. To improve the bending performance of EAPap, different paper fibers-broad-leaf, needle-leaf, bacteria cellulose and Korean traditional paper, and additive chemicals are tested. It was observed that needle-leaf paper exhibits better results then others. By eliminating the effect of adhesive layer and selecting a proper paper fiber, the displacement output has been stable with long time scale. The operational principle of EAPap is, we believe, based on the electrostriction effect associated with intermolecular interaction of the constituents of the paper. To confirm this result, more investigation of the paper quality should be followed in the beginning of paper manufacturing process. Since EAPaps are quite simple to fabricate and lightweight, various applications including flexible speakers, active sound absorbing materials and smart shape control devices can be possible.

Citation Download Citation

Jaehwan Kim, Yung B. Seo, and Eunmi Jung "Mechanical performance improvement of electroactive papers", Proc. SPIE 4329, Smart Structures and Materials 2001: Electroactive Polymer Actuators and Devices, (16 July 2001); https://doi.org/10.1117/12.432683

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