Method of forming autogenously bonded non-woven fabric comprisin

Details Method of forming autogenously bonded non-woven fabric comprisin Method of forming autogenously bonded non-woven fabric comprisin

1975-07-29

1980-02-19

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156181, 156306, 264168, 264171, 2642108, 264DIG26, D04H 314, D01F 806

Patent

active

041893387

ABSTRACT:
A porous non-woven fabric having a good dimensional stability and uniformity is prepared from a web obtained by arranging side-by-side composite fibers alone or a blend thereof with another fibrous material into a web and heat-treating the resulting web at a specified temperature, said composite fibers having few naturally developed crimps and being obtained by stretching unstretched side-by-side composite fibers consisting of a polypropylene component and an olefin polymer component having a specified melting point and a specified melt flow rate.

REFERENCES:
patent: 2987797 (1961-06-01), Breen
patent: 3399259 (1968-08-01), Brayford
patent: 3505164 (1970-04-01), Oppenlander
patent: 3509013 (1970-04-01), Oppenlander
patent: 3589956 (1971-06-01), Krantz et al.
patent: 3595731 (1971-07-01), Davies et al.
patent: 3718534 (1973-02-01), Okamoto et al.
patent: 3781399 (1973-12-01), Kobayashi et al.

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