Patent application number | Description | Published |
20090029098 | Resin Composition for Improved Slit Film - Slit films and processes of forming the same are generally described herein. In one embodiment, the slit films include an impact copolymer (ICP) formed of polypropylene and less than about 8 wt. % total ethylene, wherein the slit film exhibits less shrinkage and higher tenacity than a slit film formed from an ICP having greater than 10 wt. % ethylene. In one embodiment, the slit films include an impact copolymer including propylene and ethylene, wherein the slit film is absent another polymer. | 01-29-2009 |
20090149605 | Heterophasic propylene based polymers for forming fiber - Fibers and articles formed therefrom are described herein. The fibers generally include a first polymer including a first propylene based impact copolymer and a second propylene based polymer. | 06-11-2009 |
20100047571 | Process of Making Bicomponent Fiber - Bicomponent fibers, methods of forming bicomponent fibers and articles formed from bicomponent fibers are described herein. Tile bicomponent fibers generally include a sheath component and a core component, wherein the sheath component consists essentially of a first metallocene polypropylene and the core component consists essentially of a second metallocene polypropylene. | 02-25-2010 |
20110244750 | Bicomponent Spunbond Fiber and Spunbond Fabric Prepared Therefrom - Bicomponent fibers, methods of forming bicomponent fibers and articles formed from bicomponent fibers, are described herein. The bicomponent fibers generally include a sheath component and a core component, wherein the sheath component consists essentially of a first metallocene polypropylene and the core component consists essentially of a second metallocene polypropylene. | 10-06-2011 |
Patent application number | Description | Published |
20110059668 | Fibers and Nonwovens with Improved Bonding Properties - The present invention relates to fibers, in particular to as-spun fibers, having an improved bonding performance. In particular, the present invention relates to as-spun fibers comprising a metallocene random copolymer of propylene and one or more comonomers. The present invention further relates to nonwovens comprising such fibers and to a process for producing such fibers and nonwovens. The fibers and nonwovens of the present invention are characterized by a wider bonding window as the prior art fibers and nonwovens. | 03-10-2011 |
20110081817 | Fibers and Nonwovens with Improved Mechanical Properties - The present invention relates to fibers, particularly to as-spun fibers, having improved properties, in particular improved mechanical properties. In particular, the present invention relates to fibers comprising a metallocene polypropylene having a broader molecular weight distribution. The present invention further relates to nonwovens comprising such fibers and to a process for producing such fibers and nonwovens. The fibers and the nonwoven of the present invention are characterized by improved properties, in particular improved mechanical properties, when compared to the prior art fibers and nonwovens. | 04-07-2011 |
20110081818 | Fibers and Nonwovens with Improved Mechanical and Bonding Properties - The present invention relates to fibers, particularly to as-spun fibers, having improved properties, in particular improved bonding performance and mechanical properties. In particular, the present invention relates to fibers comprising a metallocene random copolymer of propylene and one or more comonomers, said metallocene random copolymer having a broader molecular weight distribution. The present invention further relates to nonwovens comprising such fibers and to a process for producing such fibers and nonwovens. The fibers and the nonwovens of the present invention are characterized by improved properties, in particular improved bonding performance and mechanical properties, when compared to the prior art fibers and nonwovens. | 04-07-2011 |