Conductive nanoparticles in electro activated shape memory polymer sensor and actuator

Jinsong Leng D.D.S.; Haibao Lu; Yanju Liu; Shanyi Du

doi:10.1117/12.775743

26 March 2008 Conductive nanoparticles in electro activated shape memory polymer sensor and actuator

Jinsong Leng D.D.S., Haibao Lu, Yanju Liu, Shanyi Du

Proceedings Volume 6931, Nanosensors and Microsensors for Bio-Systems 2008; 693109 (2008) https://doi.org/10.1117/12.775743
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

There is a strong interest in the use of conductive shape memory polymer (SMP) for actuation by passing an electrical current. This paper presents a systematic study on the effect of multi-walled carbon nanotubes (MWCNTs) and carbon nanoparticles on the electro activate shape memory polymer (SMP). The first is the fabrication and characterization of styrene-based SMP filled with MWCNTs was investigated. Then the resistivity of 8 wt% MWNTs sample is 80 ohm•cm obtained by using four-point probe Van De Pawn method, and for 8.0×2.0×0.2 cm³ rectangle sheet, it can be triggered by passing an electrical current with a constant voltage of 200 V. The second is focused on the effect of conductive particulate and fibrous fillers on the electrical property of composite. The electrical conductivity of the composites achieves 8.73×10^-2, 9.63×10^-2 and 1.13×10^-1 S/cm by DC measurement and 0.12, 1.05 and 3 S/cm by four-point probe Van De Pauw method. Their shape recovery can be activated by passing an electrical current of 25 V voltages. In this paper, the sensors using conducting SMP composites testified by the temperature-dependent resistance and strain-dependent resistance tests. At the same time, the shape self-recovery of SMPs and their composites when heated above transition temperature acts as actuator.

Citation Download Citation

Jinsong Leng D.D.S., Haibao Lu, Yanju Liu, and Shanyi Du "Conductive nanoparticles in electro activated shape memory polymer sensor and actuator", Proc. SPIE 6931, Nanosensors and Microsensors for Bio-Systems 2008, 693109 (26 March 2008); https://doi.org/10.1117/12.775743

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available