Stereoscopic nonwoven fabric with pore structure

Stereoscopic nonwoven fabric with pore structure

  • CN 103,908,376 A
  • Filed: 03/26/2014
  • Published: 07/09/2014
  • Est. Priority Date: 03/26/2014
  • Status: Active Application
First Claim
Patent Images

1. a three-dimensional non-woven fabrics with open-celled structure, is distributed with elevated regions and sunk area and open-celled structure, and this elevated regions and sunk area use surface as benchmark definition take non-woven fabrics;

  • It is characterized in that;

    described each elevated regions has fibre density gradient to sunk area, the fibre density of the lateral margin from elevated regions to sunk area transition is high compared with the fibre density at elevated regions top, and the fibre density of lateral margin is 1.5-30 times of elevated regions top fibre density;

    And the fibre density of sunk area is 1.5-20 times of elevated regions top fibre density;

    The difference in height of described elevated regions and sunk area is greater than 0.2mm;

    The average area in the single hole of described open-celled structure is less than 20mm 2, percent opening is less than 50%;

    Described elevated regions area accounts for 20% to 80% of the described three-dimensional non-woven fabrics gross area.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×