Fibre fleece of electrostatically spun fibres and methods of mak

Details Fibre fleece of electrostatically spun fibres and methods of mak Fibre fleece of electrostatically spun fibres and methods of mak

1977-07-07

1979-03-06

Ball, Michael W.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

55DIG39, 156 624, 156 628, 264 8, 264 10, 264 24, 264113, 264114, 264115, 264123, 427 31, 428286, 428297, 428304, 428332, 428398, 428400, 428409, 428903, B01D 3506

Patent

active

041431960

ABSTRACT:
In a process for the production of fibre filters, the fibre material is sprayed electrostatically from the liquid state and deposited as a fibre fleece on a conductive support. The starting materials used are solutions of high polymers in readily volatile solvents. The filters obtained have substantially improved properties.

REFERENCES:
patent: 2795290 (1957-06-01), Butsch et al.
patent: 2810426 (1957-10-01), Till et al.
patent: 2888095 (1959-05-01), Perrini et al.
patent: 3280229 (1966-10-01), Simons
patent: 3338992 (1967-08-01), Kinney
patent: 3400520 (1968-09-01), Sakurai
patent: 3406660 (1968-10-01), Simm
patent: 3689608 (1972-09-01), Hollberg et al.

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