Production process for black nylon stretch yarns
A production process and elastic yarn technology, applied in the melting of filament raw materials, adding pigments in spinning liquid, single-component polyamide artificial filaments, etc., can solve the problem of low quality, affecting melt stability, dispersion Unsatisfactory uniformity and other problems, to achieve the effect of uniform color, deep blackness and good fluidity
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[0017] The principles and features of the present invention are described below, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0018] The present invention is a production process of nylon black elastic yarn. The technical process is briefly described as follows: Nylon slices and black masterbatch are mixed in proportion through a masterbatch mixer → melted in a screw extruder → metering pump metering → spinning assembly → spinning → Cooling by side air blowing→cluster oiling→wrapping→balancing→texturing→black elastic yarn.
[0019] The concrete steps of production technique of the present invention are as follows:
[0020] 1) Nylon chips and black masterbatch are evenly mixed according to weight percentage;
[0021] 2), the above-mentioned compound is heated and melted through an extruder, and extruded;
[0022] 3), the above-mentioned melt is quantified by a metering pump, pressed ...
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