Voided cyclo-olefin polymer films: ferroelectrets with high thermal stability

@inproceedings{citeulike:2880290, abstract = {Recently, new ferroelectrets were developed from foams of polyethylene terephthalate and of cyclo-olefin polymers and copolymers. Here, we focus on ferroelectret films based on compounds of cyclo-olefin polymers. Suitable compounding and preparation led to cyclo-olefin polymer ferroelectrets which show an electromechanical activity of around 15 pC/N that is thermally stable at least up to 110/spl deg/C. We discuss the preparation, the electrical charging and the electromechanical activity, the short-and long-term thermal stability as well as the electro-acoustical properties of an eight-layer cyclo-olefin film stack. The results obtained on the cyclo-olefin foams represent a significant improvement of the service temperature of ferroelectret transducer materials.}, author = {Wegener, M. and Paajanen, M. and Voronina, O. and Schulze, R. and Wirges, W. and Gerhard-Multhaupt, R. }, booktitle = {Electrets, 2005. ISE-12. 2005 12th International Symposium on}, citeulike-article-id = {2880290}, doi = {http://dx.doi.org/10.1109/ISE.2005.1612315}, journal = {Electrets, 2005. ISE-12. 2005 12th International Symposium on}, keywords = {ferroelectret-sensors}, pages = {47--50}, posted-at = {2008-06-10 17:47:17}, priority = {2}, title = {Voided cyclo-olefin polymer films: ferroelectrets with high thermal stability}, url = {http://dx.doi.org/10.1109/ISE.2005.1612315}, year = {2005} }

TY - CONF ID - citeulike:2880290 L3 - citeulike-article-id:2880290 TI - Voided cyclo-olefin polymer films: ferroelectrets with high thermal stability T2 - Electrets, 2005. ISE-12. 2005 12th International Symposium on JF - Electrets, 2005. ISE-12. 2005 12th International Symposium on SP - 47 EP - 50 N2 - Recently, new ferroelectrets were developed from foams of polyethylene terephthalate and of cyclo-olefin polymers and copolymers. Here, we focus on ferroelectret films based on compounds of cyclo-olefin polymers. Suitable compounding and preparation led to cyclo-olefin polymer ferroelectrets which show an electromechanical activity of around 15 pC/N that is thermally stable at least up to 110/spl deg/C. We discuss the preparation, the electrical charging and the electromechanical activity, the short-and long-term thermal stability as well as the electro-acoustical properties of an eight-layer cyclo-olefin film stack. The results obtained on the cyclo-olefin foams represent a significant improvement of the service temperature of ferroelectret transducer materials. KW - ferroelectret-sensors AU - Wegener, M AU - Paajanen, M AU - Voronina, O AU - Schulze, R AU - Wirges, W AU - Gerhard-Multhaupt, R PY - 2005/// UR - http://dx.doi.org/10.1109/ISE.2005.1612315 ER -