Nonwoven fabrics

Details Nonwoven fabrics Nonwoven fabrics

1997-02-18

1999-04-06

Bell, James J.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Spun-bonded nonwoven fabric

526351, D04H 156

Patent

active

058918140

ABSTRACT:
This invention relates to improved polypropylene nonwoven fabrics. The fabrics are made from isotactic polypropylene which has been produced with a catalyst systems comprising at least two metallocenes. These nonwoven fabrics, particularly when prepared using a spunbonding process, exhibit significantly improved strength without significant sacrifice of other favorable properties.

REFERENCES:
patent: 5145819 (1992-09-01), Winter et al.
patent: 5252529 (1993-10-01), Ueda et al.
patent: 5332706 (1994-07-01), Nowlin et al.
patent: 5637666 (1997-06-01), Winter et al.

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