FILTER MEDIUM FOR AIR FILTERS AND METHOD FOR PRODUCING SAME

    公开(公告)号:EP4176956A1

    公开(公告)日:2023-05-10

    申请号:EP20942651.9

    申请日:2020-07-03

    摘要: An object of the present disclosure is to provide a filter medium for air filters that has a high PF value and high water repellency in addition to stiffness and strength that are practically sufficient, and to provide the filter medium with an easy production method. The filter medium, composed of a wet-laid nonwoven fabric including a glass fiber, for air filters according to the present disclosure includes a cationic binder resin, a fluororesin, and a cationic surfactant, and the solid content mass ratio of the fluororesin to the cationic surfactant is within a range of 30/70 to 80/20.