Abstract: Described herein are fibers, nonwoven fabrics, and other nonwoven articles comprising a blend of at least one propylene-based elastomer and an impact copolymer. The impact copolymer is a reactor blend and comprises a propylene homopolymer component and a copolymer component, where the copolymer component comprises less than about 55 wt % ethylene-derived units, based on the weight of the copolymer component.

Abstract: Described herein are fibers, nonwoven fabrics, and other nonwoven articles comprising a blend of at least one propylene-based elastomer and a broad molecular weight polypropylene or a broad molecular weight impact copolymer. The broad molecular weight polypropylene has a molecular weight distribution (MWD) of greater than 4.5. The impact copolymer is a reactor blend and comprises a propylene homopolymer component and a copolymer component, where the propylene homopolymer component has a molecular weight distribution (MWD) of greater than 4.5.

Abstract: Disclosed herein are embodiments of films which comprise a polypropylene resin comprising at least 50 mol % propylene, an MWD (Mw/Mn) of greater than 5, and a branching index (g?) of at least 0.95.

Abstract: A propylene-based impact copolymer having a high gloss and suitable for appliance components comprising a polypropylene homopolymer and within a range of from 6 wt % to 20 wt % of propylene copolymer based on the weight of the impact copolymer, wherein the copolymer comprises from 20 wt % to 44 wt % ethylene, and/or C4 to C10 ?-olefin derived units and the remainder propylene-derived units based on the weight of the propylene copolymer, the impact copolymer having a melt flow rate (230° C./2.16 kg) within a range of from 10 g/10 min to 50 g/10 min.

Abstract: Disclosed herein are embodiments of films which comprise a polypropylene resin comprising at least 50 mol % propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g?) of at least 0.95, and a melt strength of at least 20 cN determined using an extensional rheometer at 190° C. A method of making a film is also disclosed.

Abstract: A propylene-based impact copolymer having a high gloss and suitable for appliance components comprising a polypropylene homopolymer and within a range of from 6 wt % to 20 wt % of propylene copolymer based on the weight of the impact copolymer, wherein the copolymer comprises from 20 wt % to 44 wt % ethylene, and/or C4 to C10 ?-olefin derived units and the remainder propylene-derived units based on the weight of the propylene copolymer, the impact copolymer having a melt flow rate (230° C./2.16 kg) within a range of from 10 g/10 min to 50 g/10 min.

Abstract: A propylene-based impact copolymer (ICP) and composition including the ICP, the ICP comprising a polypropylene homopolymer and within the range of from 10 wt % to 45 wt % of propylene copolymer based on the weight of the ICP, wherein the copolymer comprises from 20 wt % to 44 wt % ethylene, 1-butene, 1-hexene and/or 1-octene derived units and from 80 to 60 wt % propylene-derived units based on the weight of the propylene copolymer, the propylene-based impact copolymer having a Melt Flow Rate (230° C./2.16 kg) within the range of from 10 g/10 mm to 50 g/10 mm and an Elongation at Break of greater than 70%.

Abstract: A propylene-based impact copolymer (ICP) and composition including the ICP, the ICP comprising a polypropylene homopolymer and within the range of from 10 wt % to 45 wt % of propylene copolymer based on the weight of the ICP, wherein the copolymer comprises from 20 wt % to 44 wt % ethylene, 1-butene, 1-hexene and/or 1-octene derived units and from 80 to 60 wt % propylene-derived units based on the weight of the propylene copolymer, the propylene-based impact copolymer having a Melt Flow Rate (230° C./2.16 kg) within the range of from 10 g/10 mm to 50 g/10 mm and an Elongation at Break of greater than 70%.

Abstract: Disclosed herein are molded articles, foamed articles, and foamable resins comprising a polypropylene resin comprising at least 50 mol % propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g?) of at least 0.95, and a melt strength of at least 20 cN determined using an extensional rheometer at 190° C. Methods of making a molded article and making a foamed article are also disclosed.

Abstract: Polypropylene resin comprising at least 50 mol % propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g?) of at least 0.95, and a melt strength of at least 20 cN determined using an extensional rheometer at 190° C. A catalyst system comprising a Ziegler-Natta catalyst comprising a non-aromatic internal electron donor, and first and second external electron donors comprising different organosilicon compounds, and a method to produce a polypropylene resin comprising contacting propylene monomers at propylene polymerization conditions with the catalyst system are also disclosed.

Abstract: This invention relates to a process for producing propylene-based in-reactor compositions comprising: (a) contacting propylene and from about 0 wt % to 10 wt % C2 and/or C4 to C20 alpha olefins under polymerization conditions in a first stage to form Component A; (b) contacting Component A, ethylene and from about 3 wt % to 30 wt % of one or more C3 to C20 alpha olefin, in the presence of a metallocene catalyst system, under polymerization conditions in a second stage to form Component B; wherein the metallocene catalyst system comprises: (i) a metallocene compound comprising a group 4, 5, or 6 metal, (ii) an activator, and (iii) a support material; and (c) obtaining a propylene-based in-reactor composition comprising Component A and Component B, wherein the propylene-based in-reactor composition has a multimodal melting point. Propylene-based in-reactor compositions and articles comprising these propylene compositions are also disclosed.

Abstract: A propylene-based impact copolymer (ICP) and composition including the ICP, the ICP comprising a polypropylene homopolymer and within the range of from 10 wt % to 45 wt % of propylene copolymer based on the weight of the ICP, wherein the copolymer comprises from 20 wt % to 44 wt % ethylene, 1-butene, 1-hexene and/or 1-octene derived units and from 80 to 56 wt % propylene-derived units based on the weight of the propylene copolymer, the propylene-based impact copolymer having a Melt Flow Rate (230° C./2.16 kg) within the range of from 10 g/10 min to 50 g/10 min and an Elongation at Break of greater than 70%.

Abstract: Described herein are fibers, nonwoven fabrics, and other nonwoven articles comprising a blend of at least one propylene-based elastomer and a broad molecular weight polypropylene or a broad molecular weight impact copolymer. The broad molecular weight polypropylene has a molecular weight distribution (MWD) of greater than 4.5. The impact copolymer is a reactor blend and comprises a propylene homopolymer component and a copolymer component, where the propylene homopolymer component has a molecular weight distribution (MWD) of greater than 4.5.

Abstract: Described herein are fibers, nonwoven fabrics, and other nonwoven articles comprising a blend of at least one propylene-based elastomer and an impact copolymer. The impact copolymer is a reactor blend and comprises a propylene homopolymer component and a copolymer component, where the copolymer component comprises less than about 55 wt % ethylene-derived units, based on the weight of the copolymer component.

Abstract: Disclosed herein are molded articles, foamed articles, and foamable resins comprising a polypropylene resin comprising at least 50 mol % propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g?) of at least 0.95, and a melt strength of at least 20 cN determined using an extensional rheometer at 190° C. Methods of making a molded article and making a foamed article are also disclosed.

Abstract: Disclosed herein are embodiments of films which comprise a polypropylene resin comprising at least 50 mol % propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g?) of at least 0.95, and a melt strength of at least 20 cN determined using an extensional rheometer at 190° C. A method of making a film is also disclosed.

Abstract: Polypropylene resin comprising at least 50 mol % propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g?) of at least 0.95, and a melt strength of at least 20 cN determined using an extensional rheometer at 190° C. A catalyst system comprising a Ziegler-Natta catalyst comprising a non-aromatic internal electron donor, and first and second external electron donors comprising different organosilicon compounds, and a method to produce a polypropylene resin comprising contacting propylene monomers at propylene polymerization conditions with the catalyst system are also disclosed.

Abstract: A propylene-based impact copolymer (ICP) and composition including the ICP, the ICP comprising a polypropylene homopolymer and within the range of from 10 wt % to 45 wt % of propylene copolymer based on the weight of the ICP, wherein the copolymer comprises from 20 wt % to 44 wt % ethylene, 1-butene, 1-hexene and/or 1-octene derived units and from 80 to 60 wt % propylene-derived units based on the weight of the propylene copolymer, the propylene-based impact copolymer having a Melt Flow Rate (230° C./2.16 kg) within the range of from 10 g/10 min to 50 g/10 min and an Elongation at Break of greater than 70%.

Abstract: This invention relates to a process for producing propylene-based in-reactor compositions comprising: (a) contacting propylene and from about 0 wt % to 10 wt % C2 and/or C4 to C20 alpha olefins under polymerization conditions in a first stage to form Component A; (b) contacting Component A, ethylene and from about 3 wt % to 30 wt % of one or more C3 to C20 alpha olefin, in the presence of a metallocene catalyst system, under polymerization conditions in a second stage to form Component B; wherein the metallocene catalyst system comprises: (i) a metallocene compound comprising a group 4, 5, or 6 metal, (ii) an activator, and (iii) a support material; and (c) obtaining a propylene-based in-reactor composition comprising Component A and Component B, wherein the propylene-based in-reactor composition has a multimodal melting point. Propylene-based in-reactor compositions and articles comprising these propylene compositions are also disclosed.

Abstract: Disclosed is a multilayer fabric and a method of forming a multilayer fabric comprising one or more facing layers and one or more elastic layers adjacent to or sandwiched there between, the one or more facing layers comprising a polypropylene; and a propylene-?-olefin elastomer having and an MFR of less than 80 dg/min; wherein the facing layer is extensible and non-elastic and has a Handle-O-Meter value of less than 60 g and a 1% Secant Flexural Modulus of less than 1000 MPa. In certain embodiments, polyethylenes are absent from the facing layer(s).