Manufacturing method of acrylic yarn
A production method and yarn technology, which is applied in yarn, textile and papermaking, etc., can solve the problems that the similarity cannot meet the market requirements, the substitutability of acrylic yarn is insufficient, and the style is limited, so as to achieve better hand feeling and excellent performance , cost reduction effect
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[0013] The present invention relates to a kind of preparation method of acrylic fiber yarn, described method comprises following process:
[0014] Step 1, using 100% expanded acrylic fiber raw material to carry out single yarn spinning on ordinary spinning equipment, and the yarn produced is Z-twist single yarn with 12 to 16 public counts.
[0015] Step 2. Invert the finished single yarn into a skein with a frame length of 2±0.2 meters, then place it in a steam-type expansion box, inject steam to raise the temperature to 105°C, and keep it for 10 minutes to completely expand the expanded acrylic fiber. The yarn is dyed.
[0016] Step 3, the dyed yarn is dehydrated and dried, and the moisture regain is controlled at 4%±0.2%.
[0017] Step 4: Pour the dyed and dried skein yarn into a bobbin yarn with a capacity of no more than one kilogram, and then perform three-ply yarn paralleling and twisting, and the paralleling is performed according to the design requirements for one col...
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