Piezoelectric and pyroelectric polymers

Electrical generator or motor structure – Non-dynamoelectric – Thermal or pyromagnetic

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310311, 310800, 310357, H01L 4118, H02N 700

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active

048779881

ABSTRACT:
Disclosed are new piezoelectric/pyroelectric materials of polarized homopolymer and copolymers of trifluorovinyl acetate. Also disclosed is a unique predictive relationship for determining the piezoelectricity of unknown material.

REFERENCES:
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patent: 3749977 (1973-07-01), Sliker
patent: 3832580 (1974-08-01), Yamamuro
patent: 3912830 (1975-10-01), Murayama
patent: 4204135 (1980-05-01), Murayama
"Plastic Electrets are Nearing Industrial Application", Dickinson, pp. 101-102, 8/1948.
Phillips, An Introduction to Crystallography, 4th Ed., 1977, pp. 167-168, Longman Group, Ltd.
T. P. Conlon, Jr., "Piezoelectric Nitrile Copolymer", Sandia Laboratories Report SAND 760222, May, 1975.
N. Murayama et al., "The Strong Piezoelectricity in Polyvinylidene Fluoride (PVDF)", ULTRASONICS, Jan., 1976, pp. 15-23.
V. D. McGinniss et al., "Prediction of Solvent and Polymer Characteristics Through the Use of Easy to Measure Properties", Organic Coatings and Polymer Chemistry, vol. 39, pp. 529-534, Sep., 1978.

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