公开(公告)号：WO2022074299A1

公开(公告)日：2022-04-14

申请号：PCT/FI2021/050670

申请日：2021-10-08

Applicant: AHLSTROM-MUNKSJÖ OYJ

Inventor： PICARD, Emilie ,  BLANC, Patrice ,  VOLPE, Raymond

IPC: D04H3/011 ,  D04H3/14 ,  D04H3/147 ,  B32B5/02 ,  B32B5/08 ,  B32B5/26 ,  D04H1/559

Abstract: A heat-resistant nonwoven melt-bonded web, in particular by spun bonding, comprising at least: - a first layer comprising first fibers - a second layer comprising second fibers in which at least one of the first fibers of the first layer (1) or the second fibers of the second layer (2) comprise a polylactic acid stereocomplex representing at least 20% by volume relative to the total volume of the constituents of the first or second fibers.