METHOD OF MAKING ELECTRET ARTICLES AND FILTERS WITH INCREASED OILY MIST RESISTANCE
摘要
An electret article can be made by quenching a molten blend containing a polymer and a performance-enhancing additive. The resulting low crystallinity material can be annealed and charged to produce a material for making electret filters having superior oily mist loading performance properties.
申请公布号
EP1019174(B1)
申请公布日期
2005.06.08
申请号
EP19980906004
申请日期
1998.02.02
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
ROUSSEAU, ALAN, D.;JONES, MARVIN, E.;MEI, BETTY, Z.