The adhesive-bonded fabric being made up of chopped fiber

The adhesive-bonded fabric being made up of chopped fiber

  • CN 102,308,039 B
  • Filed: 12/04/2009
  • Issued: 08/17/2016
  • Est. Priority Date: 12/04/2008
  • Status: Active Grant
First Claim
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1. the method forming non-woven material, described method includes:

  • Receive the fibrous material including thermoplastic fibre;

    Processing described fibrous material to produce chopped fiber, described chopped fiber has the average length less than 6mm length;

    Described chopped fiber joining preformed fiber online, described precursor web is used as filter or retaining layer to keepFine particle;

    AndHeat and compress described precursor web to form non-woven material;

    Wherein said non-woven material has at 200kg/m3With2000kg/m3Between volume density, and have between 275000 Rayleighs/m and 3000000 Rayleighs/m selected air-flow resistanceRate, wherein said non-woven material is formed as the thickness having between 0.20mm and 5mm.

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