Double-strand scheme for spinning technical viscose yarn
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A two-strand scheme for spinning technical viscose of 183.5 tex linear density has been developed under experimental production conditions. The yarn obtained by this scheme has a breaking load of 38–40 cN/tex at an elongation of 8–10%.
In the developed scheme, combination of the processes of orientation stretching, final regeneration, and complete driving off of carbon disulfide from the yarn is provided for, which makes it possible to localize the evolution of harmful gases in the zone of the precipitation and plasticizing baths and to obtain a concentrated gas-air mixture which is suitable for regeneration.
KeywordsPolymer Precipitation Disulfide Production Condition Linear Density
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