Method for making copolymer-wrapped nanotube fibers
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United States of America Patent
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Jun 21, 2022
Grant Date -
Feb 18, 2021
app pub date -
Oct 10, 2018
filing date -
Nov 6, 2017
priority date (Note) -
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Abstract
A method for making a copolymer-wrapped nanotube coaxial fiber. The method includes supplying a first dope to a spinning nozzle; supplying a second dope to the spinning nozzle; spinning the first and second dopes as a coaxial fiber into a first wet bath; and placing the coaxial fiber into a second wet bath, which is different from the first bath. The coaxial fiber has a core including parts of the first dope and a sheath including parts of the second dope. Solvent molecules of the second wet bath penetrate the sheath and remove an acid from the core.
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