Polymeric piezoelectric material

Details Polymeric piezoelectric material Polymeric piezoelectric material

1993-01-28

1994-03-29

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

29 2535, 29594, 29595, 252 629, 623 16, C08G 6306, A61F 228, H04R 1700

Patent

active

052986020

ABSTRACT:
A polymeric piezoelectric material including a polylactic acid molded article having been uniaxially drawn to an extent causing no fibrillation. The piezoelectric material exhibits piezoelectric properties equal to or higher than those of electret type or polypeptide type piezoelectric materials while having high enough mechanical strength to be processed into various articles ranging from films to profiles depending on the end use.

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patent: 5131276 (1992-07-01), Kibblewhite
Reports on Progress in Polymer Physicas in Japan, vol. XXXIV (1991), pp. 269-272, E. Fukada, "Piezoelectric Properties of Poly-L-Lactic acid".
Proc. 7th Int. Symp. Electrets (Ed. by R. Gerhard-Multhaupt, IEEE, New York, N.Y) (1991) pp. 695-705, E. Fukada, "Bioelectret and biopiezoelectricity".
Ferroelectrics, vol. 1, 1983, London, GB, J. J. Ficat et al., "Osteogenesis Induced by Bimorph Polyvinylidene Fluoride Films".

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