High strength and high tensile modulus fibers or poly(ethylene oxide)
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United States of America Patent
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Oct 28, 1986
Grant Date -
N/A
app pub date -
Jun 26, 1985
filing date -
Jun 26, 1985
priority date (Note) -
Expired
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Abstract
Strong fibers of poly(ethylene oxide) result from crystallization of the polymer of molecular weight of at least about 500,000 in a shear flow field. Using solutions of a polymer with a molecular weight greater than about 1,000,000, fibers with a tensile strength and tensile modulus of at least 0.1 and 0.5 GPa, respectively, can be readily obtained. Crystallization from a xylene solution within the range from about 35.degree. to about 45.degree. C. is particularly effective.
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