A filter material comprising a blend of at least three types of fibers: (a) polypropylene fibers (b) polymethaphenylene isophtalamide fibers and (c) fibers of a third type selected from the group of acrylic and modacrylic. In a preferred embodiment, the blend contains about ten weight percent polymethaphenylene isophtalamide fibers, about 50 weight percent polyprophylene fibers and about 40 weight percent modacrylic fibers. Performance of the blend is superior to the prior art filtration materials, especially at the preferred compositions.
申请公布号
WO2004060520(A3)
申请公布日期
2005.12.01
申请号
WO2003US31940
申请日期
2003.10.08
申请人
HOLLINEE GLASS CORPORATION
发明人
WILKINS, RODNEY, R.;MONTGOMERY, K., DALE;ALEXANDER, STEPHEN, W.;TUTTLE, JAMES, G.;HOEL, EDWIN, G.