Patent application number | Description | Published |
20120058324 | Polymer Resins Having Improved Barrier Properties and Methods of Making Same - A polymeric resin having a lower molecular weight (LMW) component and a higher molecular weight (HMW) component and the resin having a density of from about 0.955 g/cc to about 0.967 g/cc, a melt index of from about 0.5 dg/min to about 4.0 dg/min, and a zero shear viscosity of from about 3.0×10 | 03-08-2012 |
20120077008 | Novel Catalyst Systems and Polymer Resins Having Improved Barrier Properties - A unimodal polymeric resin having a density of from about 0.946 g/ml to about 0.97 g/ml and a zero shear viscosity of from about 8×10 | 03-29-2012 |
20120214954 | Polymer Compositions for Rotational Molding Applications - A polymer having a density of from about 0.94 g/cm | 08-23-2012 |
20130059100 | Polymer Compositions Having Improved Barrier Properties - A polymer having a melt index of from about 0.5 g/10 min to about 4.0 g/10 min and a density of equal to or greater than 0.96 g/cc which when formed into a 1-mil film displays a moisture vapor transmission rate ranging from equal to or greater than about 0 to equal to or about 20% greater than X where X=k | 03-07-2013 |
20130059103 | Polymer Compositions Having Improved Barrier Properties - A unimodal polymer having a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.55 g-mil/100 in | 03-07-2013 |
20130059140 | Multilayer Polymer Films Having Improved Barrier Properties - A multilayer polymer film comprising an outer skin layer, an inner seal layer and at least one core layer disposed between the inner and outer skin layer, wherein the outer skin layers comprises a metallocene-catalyzed ethylene polymer having a density of equal to or greater than about 0.945 g/cc and a melt index equal to or greater than 0.5 g/10 min. A multilayer polymer film comprising a metallocene-catalyzed high-density polyethylene homopolymer skin layer and at least one core layer comprising a high-density polyethylene having a melt index of less than or equal to 2.0 g/10 min. A multilayer polymer film comprising at least a skin layer and a core layer wherein the skin layer comprises a metallocene-catalyzed ethylene polymer provided from a catalyst composition comprising a single metallocene and an activator support. | 03-07-2013 |
20140121344 | Novel Catalyst Compositions and Methods of Making and Using Same - An ethylene polymer having (i) a density defined by equation (1) | 05-01-2014 |
20140128563 | Low Density Polyolefin Resins and Films Made Therefrom - Disclosed herein are broad molecular weight distribution olefin polymers having densities in the 0.895 to 0.930 g/cm | 05-08-2014 |
20140212607 | Polymer Compositions Having Improved Barrier Properties - A composition comprising a polymer and a wax wherein the polymer has a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.55 g-mil/100 in | 07-31-2014 |
20140256901 | Novel Medium Density Polyethylene Compositions - An ethylene alpha-olefin copolymer having (a) a density of from about 0.910 g/cc to about 0.940 g/cc; (b) a weight average molecular weight of from about 150,000 g/mol to about 300,000 g/mol; and (c) a melt index at a load of 2.16 kg of from about 0.01 dg/10 min. to about 0.5 dg/min.; wherein a 1 mil blown film formed from the polymer composition is characterized by (i) a Dart Impact strength greater than about 175 g/mil; (ii) an Elmendorf machine direction tear strength greater than about 20 g/mil; and (iii) an Elmendorf transverse direction tear strength greater than about 475 g/mil. | 09-11-2014 |
20150065669 | Higher Density Polyolefins With Improved Stress Crack Resistance - Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can employ a catalyst system containing two or three metallocene components, resulting in ethylene-based copolymers that can have a medium density and improved stress crack resistance. | 03-05-2015 |