The fine denier polyamide fiber 6 pre-oriented yarn of a kind of porous, preparation method and equipment thereof

The fine denier polyamide fiber 6 pre-oriented yarn of a kind of porous, preparation method and equipment thereof

  • CN 102,517,679 B
  • Filed: 12/21/2011
  • Issued: 01/20/2016
  • Est. Priority Date: 12/21/2011
  • Status: Active Grant
First Claim
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1. prepare the equipment of the fine denier polyamide fiber 6 pre-oriented yarn of porous for one kind, based on the FDY equipment producing conventional variety, comprise pre-crystallized, dry, screw rod melt extruded device, spinning manifold, measuring pump, filament spinning component, spinnerets device for spinning, cooling curing device and coiling and forming device, is characterized in that:

  • Described porous fine denier polyamide fiber 6 pre-oriented yarn specification is 75dtex/144f ~ 110dtex/144f, comprise the additive that mass fraction is 0.5 ~ 5.0%, described additive is methacrylate, maleic anhydride and cinnamic nanometer randomcopolymer, by weight percentage, the content of methacrylate is 75 ~ 85%, the content of maleic anhydride is 10 ~ 12%, and all the other are styrene;

    The fracture strength of pre-oriented yarn is 3.45 ±

    0.25cN/dex, and elongation at break is 80 ±

    20%;

    The charging aperture of described screw rod melt extruded device installs additive injector;

    Described cooling curing device is Xu Lenghe ring quenching;

    Install Xu Leng heater in the below of spinnerets, heating region height is 100 ~ 120mm;

    The below installing ring cold wind blower of Xu Leng heater;

    The boundling oil frame that oils is arranged on the below of ring cold wind blower, and the distance leaving spinnerets is 800 ±

    50mm place;

    Coiling and forming device comprises first, second godet roller, pre-Network device and up-coiler, and described pre-Network device is placed in the centre of the first godet roller and the second godet roller.

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