Adsorptive fiber sheet

Details Adsorptive fiber sheet Adsorptive fiber sheet

1987-11-23

1989-02-28

Bell, James J.

Gas separation

With guide means effecting removal of constituent layer out...

At escape means for heavier constituent

55488, 428 36, 428297, 428299, 428300, 428373, 428408, 428913, B01D 3900

Patent

active

048082023

ABSTRACT:
An adsorptive fiber sheet where a nonwoven fabric of synthetic fiber constituted only by synthetic fiber having a higher melting temperature is secured in a layered structure to at least one surface of a nonwoven fabric of adsorptive fiber which is produced in such a manner that synthetic fiber having a higher melting temperature, synthetic fiber having a lower melting temperature and adsorptive fiber are mixed with one another and contact points between the synthetic fiber having a lower melting temperature and other fibers are bound together by softening the synthetic fiber having a lower melting temperature. Both the synthetic fabrics are placed one above another in a layered structure by allowing synthetic fiber having a lower melting temperature to be softened to bind or by allowing fibers to be entangled with one another in such a manner that no separation takes place therebetween.

REFERENCES:
patent: 4255171 (1981-03-01), Dravnicks
patent: 4540625 (1985-09-01), Sherwood
patent: 4548678 (1985-10-01), Laflen et al.
patent: 4681801 (1987-07-01), Elan et al.
patent: 4701189 (1987-10-01), Oliker

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