Fibrous webs useful for making electret filter media

Details Fibrous webs useful for making electret filter media Fibrous webs useful for making electret filter media

1997-12-02

1999-10-19

Mulcahy, Peter D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428224, 428296, R32B 2714

Patent

active

059686359

ABSTRACT:
Fibrous webs comprising a blend of a thermoplastic resin and at least one compound or oligomer which is ##STR1## wherein R.sub.f is a perfluorinated moiety which may contain one or more catenary ether oxygen atoms, Q is a linking group selected from alkylene groups having 1 or 2 carbon atoms, sulfonamido groups or combinations thereof, R is an alkyl group, R.sup.1 is a perfluoroalkyl group, R.sup.2 is an alkyl group which may be straight chain or branched and n is a number of from 2 to 40.

REFERENCES:
patent: Re30782 (1981-10-01), Van Turnhout
patent: Re32171 (1986-06-01), Van Turnhout
patent: Re35062 (1995-10-01), Brostrom
patent: 3094547 (1963-06-01), Heine
patent: 3485705 (1969-12-01), Evans
patent: 3493462 (1970-02-01), Bunting, Jr. et al.
patent: 3519603 (1970-07-01), Lohse et al.
patent: 3971373 (1976-07-01), Braun
patent: 3998916 (1976-12-01), van Turnhout
patent: 4086499 (1978-04-01), Mishra
patent: 4100324 (1978-07-01), Anderson et al.
patent: 4118531 (1978-10-01), Hauser
patent: 4188690 (1980-02-01), Suzuki et al.
patent: 4215682 (1980-08-01), Kubik et al.
patent: 4288584 (1981-09-01), Mishra
patent: 4297492 (1981-10-01), Rasberger et al.
patent: 4429001 (1984-01-01), Kolpin et al.
patent: 4429791 (1984-02-01), Ruppel et al.
patent: 4492791 (1985-01-01), Orban et al.
patent: 4536440 (1985-08-01), Berg
patent: 4588537 (1986-05-01), Klaase et al.
patent: 4652282 (1987-03-01), Ohmori et al.
patent: 4701237 (1987-10-01), Lassen
patent: 4722806 (1988-02-01), Lai et al.
patent: 4789504 (1988-12-01), Ohmori et al.
patent: 5057710 (1991-10-01), Nishiura et al.
patent: 5099026 (1992-03-01), Crater et al.
patent: 5112677 (1992-05-01), Tani et al.
patent: 5145727 (1992-09-01), Potts et al.
patent: 5304227 (1994-04-01), Matsuura et al.
patent: 5496507 (1996-03-01), Angadjivand et al.
Wente, Van A., et al., Report No. 4364 of the Naval Research Laboratories, published May 25, 1954 entitled Manufacture of Super Fine Organic Fibers.
Wente, Van A., et al., "Superfine Thermoplastic Fibers", Industrial Engineering Chemistry, vol. 48, pp. 1342-1346.
Davis, C.N., "The Separation of Airborne Dust and Particles," Institution of Mechanical Engineers, London, Proceedings 1B, 1952.

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