FLAME-RESISTANT NONWOVEN FIBER ASSEMBLY

    公开(公告)号:US20210331444A1

    公开(公告)日:2021-10-28

    申请号:US17309065

    申请日:2019-11-13

    Abstract: A nonwoven fiber assembly. The nonwoven fiber assembly includes a nonwoven fibrous web including a plurality of discontinuous fibers; and a nonwoven fabric at least partially surrounding the nonwoven fibrous web; the nonwoven fabric including a plurality of randomly-oriented fibers, the plurality of randomly-oriented fibers comprising: at least 60 wt % of oxidized polyacrylonitrile fibers; and from 0 to less than 40 wt % of reinforcing fibers having an outer surface comprised of a (co)polymer with a melting temperature of from 100° C. to 450° C.; and a fluoropolymer binder on the plurality of randomly-oriented fibers.

Patent Agency Ranking