Method of preparing high strength and modulus poly(vinyl alcohol) fibers
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United States of America Patent
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Aug 23, 1988
Grant Date -
N/A
app pub date -
Mar 23, 1987
filing date -
Mar 24, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
High strength and modulus fibers are prepared from a poly(vinyl alcohol) solution in a mixed solvent consisting of water and water-miscible organic solvent. Upon extruding the poly(vinyl alcohol) solution into a coagulation bath, gel fibers are formed as a consequence of favorable gel structure with homogeneous net-works. Drawing the gel fibers to an exceedingly high degree leads to formation of poly(vinyl alcohol) fibers which have a superhigh tensile strength and a superhigh modulus.
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