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PIEZOELECTRIC POLYMER MATERIAL AND METHOD FOR PRODUCING SAME

  • US 20120132846A1
  • Filed: 02/09/2012
  • Published: 05/31/2012
  • Est. Priority Date: 08/25/2010
  • Status: Active Grant
First Claim
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1. A piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having:

  • crystallinity as obtained by a DSC method of from 20% to 80%;

    a transmission haze with respect to visible light of 50% or less; and

    a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 μ

    m, of from 40 to 700.

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