公开(公告)号：CA3102518A1

公开(公告)日：2020-01-02

申请号：CA3102518

申请日：2019-06-11

Applicant: TORAY INDUSTRIES

Inventor： MIZOGAMI SHINOBU ,  MATSUURA HIROYUKI ,  HANE RYOICHI

IPC: B01D39/16 ,  D04H3/011 ,  D04H3/16

Abstract: In order to provide a spunbond nonwoven fabric for use in filters that has excellent rigidity, folding resistance and basis weight uniformity, and that also has excellent dust capture performance and mechanical properties, this spunbond nonwoven fabric, which is configured from thermoplastic continuous filaments and has a partially fused portion, has a nonwoven fabric stiffness of 2-100 mN, a basis weight CV value of less than or equal to 5%, and a basis weight of 150-300 g/m2.