| http://www.w3.org/ns/prov#value | - Alternatively, the second step of the process of this invention comprises dissolving the copolymer obtained in the first step in a solvent capable of dissolving it, such as benzene, toluene or xylene to form a spinning dope, optionally filtering it to remove materials detrimental to spinning, such as microgels and impurities, spinning the dope by a dry-spinning method by a spinning normally used s
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