NDLI: Electrical conduction and polarization in cellulose in relation to its water content

Content Provider	IEEE Xplore Digital Library
Author	Ozawa, A. Mikami, S. Nitta, K. Shinmura, M. Washizu, S. Wada, Y.
Copyright Year	1989
Description	Author affiliation: Phys. Lab., Japan Women's Univ., Tokyo, Japan (Ozawa, A.; Mikami, S.; Nitta, K.; Shinmura, M.; Washizu, S.; Wada, Y.)
Abstract	The electrical properties of native and mercerized cellulose are compared. The DC conductivity, complex dielectric constant in the frequency range from 0.1 Hz to 10 MHz, and piezoelectric constant have been measured for native and mercerized samples as functions of water content. The dielectric increment Delta epsilon of the mercerized sample, as obtained from Cole-Cole plots, is more than twice as large as that of native cellulose. This is attributed to the fact that by mercerization, chains in the amorphous phase are more regularly packed, and the correlation length for orientation of OH groups increases, resulting in an increase of Delta epsilon . In addition, a smaller piezoelectric constant is indicated for the mercerized sample.<>
Starting Page	15
Ending Page	19
File Size	228004
Page Count	5
File Format	PDF
DOI	10.1109/ICSD.1989.69153
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-07-03
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical polarization Dielectric measurements Frequency conversion Dielectric constant Current measurement Piezoelectric polarization Crystallization Humidity Electrodes Charge measurement
Content Type	Text
Resource Type	Article

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