SCHULTZ, Nathan E.,LI, Fuming B.,SEBASTIAN, John M.
申请号：
EP20150732124
公开号：
EP3157650(B1)
申请日:
2015.06.09
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要：
Electret webs include a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additive is a fused aromatic thiourea, a fused aromatic urea compound, or a combination thereof. The change-enhancing additive may also include a hindered amine light stabilizer compound. The electret webs may be a non-woven fibrous web or a film. The electret webs are suitable for use as filter media.
