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John Tanaka
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(b.
1924)
Postdoctoral Fellow, University of Pittsburgh, 1963-65
Ph.D., Iowa State University, 1956
B.A., University of California, Los Angeles, 1951
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Our interests
encompass both the Inorganic and the Polymer Science
Division. Research interests in inorganic chemistry
involve the role of solid state structures on electrical
properties. Specifically, solids such as silica, alumina,
and clays have been used as fillers for rubbery polymers.
Initially, they were used to improve rheologic properties.
It is now becoming clear that they also have a significant
effect on electrical properties, which are being studied
as a function of the inorganic structure.
Research interests in polymer science
have centered around the general topic of the life-time
of electrical insulating materials. Polymer blends have
been studied in an effort to understand why some seem
to exhibit higher dielectric strength. Charge injection
into polymers is being studied and the mechanism of
corona erosion has been examined by studying the effect
on polymers of bombardment with known ions of known
energy. The role of volatiles in the aging process and
the transport of ions into polymers by ground water
is also under investigation.
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