Color fixed island composite short fiber and preparation method thereof
A production method and short fiber technology are applied in the field of colored fixed-island composite nylon short fiber and its production field, which can solve problems such as poor fluffing effect, difficult removal of dust, and insufficient color, and achieve high color fastness, easy removal, colorful effect
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Embodiment 1
[0037] Nylon 6 chips, nylon-based coloring masterbatch (brown masterbatch, pigment weight content 30%) and polyethylene grafted acrylic acid (PE-g-AA, Shenyang Kingsway Rubber Technology Co., Ltd.) are 70 by weight: After 4:1 mixing, add to the island component silo, and add low-density polyethylene chips to the sea component silo.
[0038] Add the material in the silo to the respective screw extruders to heat, extrude, and melt to become a spinnable melt, and spin after being measured respectively according to the weight ratio of the island component and the sea component at 75:25 (sea group The temperature of the spinning box of the component is 150°C, the temperature of the spinning box of the island component is 295°C, and the spinning speed is 700m / min). Cooling and forming, the cooled tow is oiled by a pair of oiling rollers, then clustered and dropped into the barrel (the falling speed is 700m / min), and stored in the silk barrel. The oil used is: the weight concentratio...
Embodiment 2
[0042]Nylon 6 slices, nylon-based coloring masterbatch (blue masterbatch, pigment weight content 45%) and polypropylene grafted maleic anhydride (PP-g-MAH, Qinhuangdao Keruida Polymer Material Co., Ltd.) by weight 39.2:0.3:0.5 is mixed evenly and then added to the island component silo, and low-density polyethylene is added to the sea component silo. Add the material in the silo to the respective screw extruders to heat, extrude, and melt to become a spinnable melt, and spin after being measured respectively according to the weight ratio of the island component and the sea component at 40:60 (sea group The temperature of the spinning box of the component is 170°C, the temperature of the spinning box of the island component is 285°C, and the spinning speed is 500m / min), and the fine flow of the melt ejected from the spinneret hole is passed through the ring blowing to form the filaments. Cooling and forming, the cooled tow is oiled by a pair of oiling rollers, then clustered, d...
Embodiment 3
[0046] Nylon 6 slices, nylon-based coloring masterbatch (black masterbatch, pigment weight content 15%) and polyethylene grafted maleic anhydride (PE-g-MAH, Hebei Tianqi Plastic Co., Ltd.) in a weight ratio of 30:25 : 2 Add the island component silo after mixing evenly, and add the low-density polyethylene into the sea component silo. Add the material in the silo to the respective screw extruders to heat, extrude, and melt to become a spinnable melt, and spin after being measured respectively according to the weight ratio of the island component and the sea component at 55:43 (sea group The temperature of the spinning box of the component is 120°C, the temperature of the spinning box of the island component is 295°C, and the spinning speed is 1200m / min), and the fine flow of the melt ejected from the spinneret hole is passed through the ring blowing to form the filaments. Cooling and forming, the cooled tow is oiled by a pair of oiling rollers, then clustered, dropped into the...
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