Abstract: A high pressure polymerization process to form an ethylene-based polymer comprises the steps of: A. Injecting a first feed comprising a chain transfer agent system (CTA system) and ethylene into a first autoclave reactor zone operating at polymerization conditions to produce a first zone reaction product, the CTA system of the first reactor zone having a transfer activity Z1; and B. (1) Transferring at least part of the first zone reaction product to a second reactor zone selected from a second autoclave reactor zone or a tubular reactor zone and operating at polymerization conditions, and, optionally, (2) freshly injecting, a second feed into the second reactor zone to produce a second zone reaction product, with the proviso that at least one of the first reactor zone product and the freshly injected feed comprises a CTA system with a transfer activity of Z2; and with the proviso that the ratio of Z1:Z2 is greater than 1.

Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus I2 relationship: Mw(abs)<A×[(I2)B], where A=5.00×102 (g/mole)/(dg/min)B, and B=?0.40; and b) a MS versus I2 relationship: MS?C×[(I2)D], where C=13.5 cN/(dg/min)D, and D=?0.55.

Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) weight fraction (w) of molecular weight above 5*106 g/mol, w>A?B*I2, where A=0.4 wt %, and B is 0.02 wt %/(dg/min), and w<C?B*I2%, where C=0.9 wt %; and b) G?>D?E*log(I2), where D=162 Pa and E=52 Pa/log(dg/min).

Abstract: A method for preparing a pre-stretched film includes extruding a multi-layered film that has an initial overall film thickness of 24 ?m to 35 ?m and stretching the multi-layered film from the initial film thickness to a final film thickness of less than 12 ?m to form a pre-stretched film. The multi-layered film has a first layer that includes an ultra low density polyethylene having a density less than 0.910 g/cm3 and has second and third layers that each independently includes a linear low density polyethylene having a density of 0.910 g/cm3 to 0.94 g/cm3. The pre-stretched film is capable of exhibiting an ultimate stretch of less than 28% at an applied weight of 45 kg and less based on a percent change in thickness of the pre-stretched film prior to application of the applied weight compared to after application of the applied weight.

Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus I2 relationship: Mw(abs)<A×[(I2)B], where A=5.00×102 (kg/mole)/(dg/min)B, and B=?0.40; and b) a MS versus I2 relationship: MS?C×[(I2)D], where C=13.5 cN/(dg/min)D, and D=?0.55.

Abstract: The invention provides a composition comprising the following: A) a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus I2 relationship: Mw(abs)<A×[(I2)B], where A=5.00×102 (kg/mole)/(dg/min)B, and B=?0.40; and b) a MS versus I2 relationship: MS?C×[(I2)D], where C=13.5 cN/(dg/min)D, and D=?0.55, c) a melt index (I2) from greater than 0.9 to 2.5 g/10 min; and B) a second ethylene-based polymer; and wherein the second ethylene-based polymer has a melt index (I2) from 0.1 to 4.0 g/10 min.

Abstract: The invention provides an ethylene-based polymer comprising the following properties: A) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<A+B(I2), where A=0.090, and B=?4.00×10-3 (min/dg); B) a G? value that meets the following relationship: G?<C+D log(I2), where C=162 Pa, and D=?90.0 Pa/log (dg/min); C) a melt index (I2) from 1 to 20 dg/min; and D) chloroform extractable that has a maximum Mw(conv) of less than, or equal to, 4,000 g/mole.

Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)?2.0 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)<A+B(I2), where A=2.40×105 g/mole, and B=?8.00×103 (g/mole)/(dg/min); and c) a G? versus I2 relationship: G??C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min). The invention also provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)?2.0 dg/min; b) a G? versus I2 relationship: G??C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min) c) a chloroform extractable (Clext) versus G? relationship: Clext.?E+FG?, where E=0.20 wt %, and F=0.060 wt %/Pa; and d) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<I+J(I2), where I=0.080, and J=?4.00×10?3 min/dg.

Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and a second ethylene-based polymer, formed by a high pressure, free-radical polymerization process, such composition comprising the following properties: a) a melt index (12) from 2.0 to 10 dg/min; b) a density from 0.922 to 0.935 g/cc; and wherein the second ethylene-based Hyper polymer is present in an amount from 60 to 95 weight percent, based on the sum of the weight of the first polymer and the second polymer; and wherein the second ethylene-based polymer has a density greater than, or equal to, 0.924 g/cc; and wherein the first ethylene-based polymer has a melt index less than 2.

Abstract: The invention provides a composition comprising the following: A) a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs)/Mw(GPC)<2.2; and b) a MS versus I2 relationship: MS?C×[(I2)D], where C=13.5 cN/(dg/min)D, and D=?0.55, c) a melt index (I2) from 0.1 to 0.9 g/10 min; and B) a second ethylene-based polymer; and wherein the second ethylene-based polymer has a melt index (I2) from 0.1 to 4.0 g/10 min.

Abstract: A high pressure polymerization process to form an ethylene-based polymer comprises the steps of: A. Injecting a first feed comprising a chain transfer agent system (CTA system) and ethylene into a first autoclave reactor zone operating at polymerization conditions to produce a first zone reaction product, the CTA system of the first reactor zone having a transfer activity Z1; and B. (1) Transferring at least part of the first zone reaction product to a second reactor zone selected from a second autoclave reactor zone or a tubular reactor zone and operating at polymerization conditions, and, optionally, (2) freshly injecting, a second feed into the second reactor zone to produce a second zone reaction product, with the proviso that at least one of the first reactor zone product and the freshly injected feed comprises a CTA system with a transfer activity of Z2; and with the proviso that the ratio of Z1:Z2 is greater than 1.

Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus 12 relationship: Mw(abs)<A×[(12)B], where A=5.00×102 (kg/mole)/(dg/min)B, and B=?0.40; and b) a MS versus 12 relationship: MS?C×[(12)D], where C=13.5 cN/(dg/min)D, and D=?0.55.

Abstract: A polymer comprises units derived from ethylene and polyalkylene, the polymer having at least 0.15 units of amyl groups per 1000 carbon atoms as determined by 13C Nuclear Magnetic Resonance (NMR).

Abstract: A reactor blend polyethylene composition comprising: from 35 to 70 percent by weight of a first polyethylene component; and a second polyethylene component; wherein the polyethylene resin has a melt index I2 of less than 1 dg/min and greater than or equal to 0.25 dg/min and exhibits a V0.1/V100 of greater than or equal to 9; and wherein the first and second polyethylene components are produced in continuous dual solution polymerization reactors, wherein the second polyethylene component is produced in the presence of the first polyethylene component and wherein a Ziegler-Natta catalyst is present in each of the first and second polymerization reactors is provided. Also provided are methods for producing the polyethylene resin and films made therefrom.

Abstract: A reactor blend polyethylene composition comprising: from 35 to 70 percent by weight of a first polyethylene component; and a second polyethylene component; wherein the polyethylene resin has a melt index I2 of less than 1 dg/min and greater than or equal to 0.25 dg/min and exhibits a V0.1/V100 of greater than or equal to 9; and wherein the first and second polyethylene components are produced in continuous dual solution polymerization reactors, wherein the second polyethylene component is produced in the presence of the first polyethylene component and wherein a Ziegler-Natta catalyst is present in each of the first and second polymerization reactors is provided. Also provided are methods for producing the polyethylene resin and films made therefrom.

Abstract: A high pressure polymerization process to form an ethylene-based polymer comprises the steps of: A. Injecting a first feed comprising a chain transfer agent system (CTA system) and ethylene into a first autoclave reactor zone operating at polymerization conditions to produce a first zone reaction product, the CTA system of the first reactor zone having a transfer activity Z1; and B. (1) Transferring at least part of the first zone reaction product to a second reactor zone selected from a second autoclave reactor zone or a tubular reactor zone and operating at polymerization conditions, and, optionally, (2) freshly injecting, a second feed into the second reactor zone to produce a second zone reaction product, with the proviso that at least one of the first reactor zone product and the freshly injected feed comprises a CTA system with a transfer activity of Z2; and with the proviso that the ratio of Z1:Z2 is greater than 1.

Abstract: A polymer comprises units derived from ethylene and polyalkylene, the polymer having at least 0.15 units of amyl groups per 1000 carbon atoms as determined by 13C Nuclear Magnetic Resonance (NMR).

Abstract: The present invention provides a method for designing a plastic article having a desired appearance. The process includes having a desired appearance and then obtaining fabrication parameters from the set of virtual article parameters. The present invention can include steps for characterizing an appearance of a target article (target article appearance) and then fitting virtual article parameters to the target article appearance.