Improved nonwoven fabrics

Details Improved nonwoven fabrics Improved nonwoven fabrics

D - Textiles, Paper

01

F

D01F 6/46 (2006.01) C08F 4/58 (2006.01) C08F 4/62 (2006.01) C08F 10/00 (2006.01) C08F 10/06 (2006.01) C08F 110/00 (2006.01) D01F 6/06 (2006.01) D04H 1/00 (2006.01) D04H 3/16 (2006.01) C08F 4/619 (2006.01) C08F 4/6192 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01) C08F 110/06 (2006.01)

Patent

CA 2245645

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.

La présente invention concerne des non-tissés en polypropylène de meilleure qualité. Ces non-tissés sont faits à partir de polypropylène isotactique obtenu au moyen d'un système catalyseur comprenant au moins deux métallocènes. Notamment lorsqu'ils s'agit de filés-liés, ces non-tissés font preuve d'une résistance nettement renforcée, sans obérer notablement les autres qualités positives.

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