Electret webs include a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additive is an arylamino-substituted benzoic acid or an arylamino-substituted benzoic acid salt. The electret webs may be a non-woven fibrous web or a film. The electret webs are suitable for use as filter media.
申请公布号
CA2909670(A1)
申请公布日期
2014.10.23
申请号
CA20142909670
申请日期
2014.04.15
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
SCHULTZ, NATHAN E.;LI, FUMING B.;SEBASTIAN, JOHN M.