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Effect of annealing on the ferroelectric behavior of nylon - 11 and nylon - 7

✍ Scribed by J. W. Lee; Y. Takase; B. A. Newman; J. I. Scheinbeim

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
515 KB
Volume
29
Category
Article
ISSN
0887-6266

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✦ Synopsis

Abstract

We have discovered recently that melt‐quenched and cold‐drawn Nylon ‐ 11 films exhibit very clear ferroelectric hysteresis behavior. In the present study, a remanent polarization as high as 86 mC/m^2^ has been found in Nylon ‐ 7 samples; this is significantly higher than that usually observed in poly (vinylidene fluoride) films. The effect of annealing on the electric displacement versus electric field characteristics of both Nylon ‐ 11 and Nylon ‐ 7 films have been studied and show an increased coercive field (62 to 115 MV/m for Nylon ‐ 11 and 79 to 97 MV/m for Nylon ‐ 7) and a decreased remanent polarization (51 to 17.3 mC/m^2^ for Nylon ‐ 11 and 86 to 70.5 mC/m^2^ for Nylon ‐ 7) with increasing annealing temperature from 25 to 145Β°C.

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