Vinylidene cyanide copolymer
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United States of America Patent
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-
Oct 29, 1991
Grant Date -
N/A
app pub date -
Aug 23, 1990
filing date -
Aug 28, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a vinylidene cyanide copolymer obtained by copolymerization of vinylidene cyanide and two kind of vinyl compounds. By formation of a ternary copolymer, a monomer difficultly copolymerizabke with vinylidene cyanide can be incorporated into the polymer, and high piezoelectric performance can be obtained when polarized.
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