Electrostatically-effective air filter material

Details Electrostatically-effective air filter material Electrostatically-effective air filter material

1995-03-01

1995-11-28

Foelak, Morton

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

95273, 96 55, 210505, 428365, 428373, 428374, 521134, B01D 1706, B01D 2400

Patent

active

054704855

ABSTRACT:
An air filter material for intercepting dust is disclosed. The material is free of lubricants and antistatic agents, and consists of a blend of (I) polyolefin fibers and (II) polyacrylonitrile fibers that are geometrically stable. The fibers (I) are two-component polypropylene/polyethylene fibers of the core/jacket or side-by-side type, and fibers (II) are halogen-free. The fiber blend is washed during the manufacturing process after they are first combined.

REFERENCES:
patent: 4798850 (1989-01-01), Brown
German Standard EN 143: 1990; Respiratory Protective Devices; Particle Filters; Requirements, Testing, Marking; 16 pages.
German Standard EN 149: 1991; Respiratory Protective Devices; Particle Filters; Requirements, Testing, Marking; 19 pages.

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