Patents Assigned to PBBPolisur S.R.L
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Patent number: 11939146Abstract: Embodiments of the present disclosure are directed to multilayer silo bags that may include a tube comprising at least two layers, a first open end, a second open end, and a first region and a second region disposed between the first and second end. One or more of the at least three layers may comprise an ethylene/alpha-olefin interpolymer having a density of 0.90 g/cc to 0.965 g/cc and an I2 of 0.1 to 6.0 g/10 minutes, a low density ethylene-based polymer having a density of 0.917 g/cc to 0.935 g/cc and an I2 of 0.1 to 2.0 g/10 minutes, or combinations thereof. The first region may have a thickness of at least 10% greater than a thickness of the second region. The first region may have a surface area that is at least 50% of an overall surface area of the multilayer silo bag.Type: GrantFiled: November 14, 2019Date of Patent: March 26, 2024Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Akanksha Garg, Ashishkumar S. Lokhande, Pavan Kumar Valavala, Jose Eduardo Ruiz, Maximiliano Zanetti, Kurt A. Koppi
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Publication number: 20230235156Abstract: Embodiments are directed towards polyolefin compositions including a high molecular weight polyolefin and a low molecular weight polyolefin.Type: ApplicationFiled: June 4, 2021Publication date: July 27, 2023Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Alexander Williamson, Shadid Askar, Joel D. Wieliczko, Cornelis F.J. Den Doelder, Mridula Kapur, Kurt F. Hirsekorn, Evelyn Auyeung, Bo Liu, Maria C. Zandueta, John P. O'Brien, Stephanie M. Whited
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Publication number: 20230212378Abstract: Embodiments of polyethylene formulations and articles comprising polyethylene formulations are disclosed. The polyethylene formulation may include from 45 wt. % to 90 wt. % of an MDPE having a density of from 0.930 g/cc to 0.950 g/cc and a melt index (I2) from 0.05 g/10 min to 0.5 g/10 min; from 10 wt. % to 50 wt. % of a polyethylene composition having a density from 0.910 g/cc to 0.936 g/cc and a melt index (I2) from 0.7 g/10 min to 1.0 g/10 min; and from 0.5 wt. % to 5% of a masterbatch composition. The polyethylene composition may comprise a first polyethylene fraction area in a temperature range of 45° C. to 87° C. of an elution profile via improved comonomer composition distribution (iCCD) analysis method and a second polyethylene fraction area in a temperature range of 95° C. to 120° C. of an elution profile via iCCD.Type: ApplicationFiled: May 21, 2021Publication date: July 6, 2023Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Felipe D. Barbosa, Marcela E. Laporta, Jorge C. Gomes, Nicolas C. Mazzola, Davidson Lutkenhaus
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Patent number: 11446910Abstract: The present disclosure provides a multilayer film containing at least three layers, including (A) a core layer containing a high density polyethylene (HDPE) having a density from 0.940 g/cc to 0.980 g/cc; and (B) skin layers on opposite sides of the core layer. Each skin layer includes (i) a propylene/ethylene copolymer with from greater than 0 wt % to 5 wt % units derived from ethylene comonomer; (ii) from 3,000 to 3,500 ppm of a slip agent; and (iii) from 4,000 to 10,000 ppm of an antiblock agent.Type: GrantFiled: April 9, 2018Date of Patent: September 20, 2022Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Silvina Vanesa D'Agosto, Nicolas Cardoso Mazzola, Marcelo Delmar Cantu, Jorge Caminero Gomes
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Patent number: 11384228Abstract: Embodiments of thermoformed monolayer or multilayer films are provided, wherein the thermoformed monolayer multilayer films comprise a first composition comprising at least one ethylene-based polymer, wherein the first composition comprises a Molecular Weighted Comonomer Distribution Index (MWCDI) value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log (I2).Type: GrantFiled: September 19, 2018Date of Patent: July 12, 2022Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Maria Laura Perez Muñoz, João Gargalaka, Jr., Nicolas Cardoso Mazzola, Gianna Buaszczyk, Carmelo Declet Perez, Sydney E. Hansen
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Patent number: 11338559Abstract: Embodiments of the present disclosure are directed to multilayer films, which provide matte appearance and low heat seal initiation temperature after corona treatment. The multilayer films include at least one matte layer comprising ethylene-based polymer and propylene-ethylene copolymer.Type: GrantFiled: November 20, 2018Date of Patent: May 24, 2022Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Silvina Vanesa D'Agosto, Nicolas Cardoso Mazzola, Jorge Caminero Gomes, Gianna Buaszczyk
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Patent number: 11312120Abstract: A multilayer shrink film comprising at least one core layer positioned between a first skin layer and a second skin layer, wherein the multilayer shrink film comprising an ethylene/alpha-olefin interpolymer composition and a low density polyethylene.Type: GrantFiled: June 29, 2018Date of Patent: April 26, 2022Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Kaustubh Gupte, Edward L. Lee, Marlos Giuntini De Oliveira, Rajen M. Patel, Guillermo A. Raimondi, Prajwal Shah, Maximiliano Zanetti
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Publication number: 20220024686Abstract: Embodiments of the present disclosure are directed to multilayer silo bags that may include a tube comprising at least two layers, a first open end, a second open end, and a first region and a second region disposed between the first and second end. One M or more of the at least three layers may comprise an ethylene/alpha-olefin interpolymer having a density of 0.90 g/cc to 0.965 g/cc and N an I2 of 0.1 to 6.0 g/10 minutes, a low density ethylene-based polymer having a density of 0.917 g/cc to 0.935 g/cc and an I2 of 0.1 to 2.0 g/10 minutes, or combinations thereof. The first region may have a thickness of at least 10% greater than a thickness of the second region. The first region may have a surface area that is at least 50% of an overall surface area of the multilayer silo bag.Type: ApplicationFiled: November 14, 2019Publication date: January 27, 2022Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Akanksha Garg, Ashishkumar S. Lokhande, Pavan Kumar Valavala, Jose Eduardo Ruiz, Maximiliano Zanetti, Kurt A. Koppi
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Publication number: 20210395437Abstract: Embodiments of the present disclosure are directed towards formulated polyol compositions that include a sucrose propoxylated polyol, a polyether triol, and a propoxylated homopolymer triol.Type: ApplicationFiled: October 14, 2019Publication date: December 23, 2021Applicant: PBBPolisur S.R.L.Inventor: Alberto Fabian Negretti
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Patent number: 11193009Abstract: Provided is a method for increasing the melt strength and/or low shear viscosity of a polyethylene resin. The method includes: a) providing a polyethylene composition including the reaction product of ethylene and optionally, one or more alpha-olefin comonomers, wherein the polyethylene composition is characterized by the following properties: a density ranging from 0.900 g/cm3 to 0.970 g/cm3, a molecular weight distribution (Mw/Mn) ranging from 2.6 to 3.5, and from 0.10 to 0.27 vinyl groups per 1,000 total carbon atoms; b) providing a masterbatch composition including a free radical generator and a polyethylene resin, wherein the free radical generator has a half-life at 220° C. of less than 200 seconds, and a decomposition energy higher than ?250 kJ/mol, and wherein the polyethylene resin has a density ranging from 0.900 g/cm3 to 0.970 g/cm3, melt index ranging from 0.Type: GrantFiled: September 14, 2018Date of Patent: December 7, 2021Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Surya Ssubramaniam, Mehmet Demirors, Teresa P. Karjala, Jorge C. Gomes, Guillermo A. Raimondi, Davidson Lütkenhaus, Marie De Luján Tricotti
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Publication number: 20210170726Abstract: Embodiments of the present disclosure are directed to multilayer films, which provide matte appearance and low heat seal initiation temperature after corona treatment. The multilayer films include at least one matte layer comprising ethylene-based polymer and propylene-ethylene copolymer.Type: ApplicationFiled: November 20, 2018Publication date: June 10, 2021Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Silvina Vanesa D'Agosto, Nicolas Cardoso Mazzola, Jorge Caminero Gomes, Gianna Buaszczyk
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Publication number: 20210086490Abstract: A heat-shrinkable film which includes an ethylene-based polymer multilayer or monolayer film and a coating on an outer surface of the ethylene-based polymer film. The ethylene-based polymer film having a single layer or a multilayer structure formed from a first layer, a second layer, and at least one inner layer between the first and second layers. The coating including polyurethane which is the polymerized reaction product of: a polyol; and an aromatic isocyanate functional prepolymer. Further, a method of unitizing polymer wrapped primary packages is provided. The method includes wrapping one or more of the primary packages with the heat-shrinkable film with the coating disposed proximal the one or more primary packages and applying thermal energy to reduce the dimensions of the heat-shrinkable film to constrain the primary package within the heat-shrinkable film. The coating serving to alleviate sticking between the heat-shrinkable film and the polymer wrapped primary package.Type: ApplicationFiled: February 27, 2019Publication date: March 25, 2021Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L., Rohm and Haas CompanyInventors: Camila Do Valle, Juan Carlos Casarubias, Maximiliano Zanetti, Marlos Giuntini de Oliveira, Jorge Caminero Gomes
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Patent number: 10927431Abstract: Embodiments disclosed herein include multilayer films that have at least two layers. More particularly, disclosed in embodiments herein are multilayer films that include at least a first layer and a second layer, wherein the first layer includes at least one polyethylene polymer, wherein the second layer includes at least one water-soluble polymer, wherein the second layer is insoluble in water at a temperature of less than 20° C., wherein the second layer is soluble in water at a temperature of 20° C. or greater, and wherein the first layer has one or more openings through the first layer to expose the second layer. Also disclosed herein are methods of using such multilayer films for extracting metal from metal ore.Type: GrantFiled: December 15, 2015Date of Patent: February 23, 2021Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L., Dow Quimica de Colombia S.A.Inventors: Maximiliano Zanetti, Miguel Molano Niampira, Jorge C. Gomes
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Publication number: 20200270433Abstract: Embodiments of thermoformed monolayer or multilayer films are provided, wherein the thermoformed monolayer multilayer films comprise a first composition comprising at least one ethylene-based polymer, wherein the first composition comprises a Molecular Weighted Comonomer Distribution Index (MWCDI) value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0-1.2×log (I2).Type: ApplicationFiled: September 19, 2018Publication date: August 27, 2020Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Maria Laura Perez Muñoz, João Gargalaka, Jr., Nicolas Cardoso Mazzola, Gianna Buaszczyk, Carmelo Declet Perez, Sydney E. Hansen
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Publication number: 20200239673Abstract: A method for increasing the melt strength and/or low shear viscosity of a polyethylene resin, the method comprising a) providing a polyethylene composition comprising the reaction product of ethylene and optionally, one or more alpha-olefin comonomers, wherein the polyethylene composition is characterized by the following properties: a density ranging from 0.900 g/cm3 to 0.970 g/cm3, a molecular weight distribution (Mw/Mn) ranging from 2.6 to 3.5, and from 0.10 to 0.27 vinyl groups per 1,000 total carbon atoms; b) providing a masterbatch composition comprising a free radical generator and a polyethylene resin, wherein the free radical generator has a half-life at 220 C of less than 200 seconds, and a decomposition energy higher than ?250 kJ/mol, and wherein the polyethylene resin has a density ranging from 0.900 g/cm3 to 0.970 g/cm3, melt index ranging from 0.01 g/10 min to 100 g/10 min; and c) reacting the polyethylene composition with the masterbatch composition to form a modified polyethylene composition.Type: ApplicationFiled: September 14, 2018Publication date: July 30, 2020Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Surya Ssubramaniam, Mehmet Demirors, Teresa P. Karjala, Jorge Caminero Gomes, Guillermo A. Raimondi, Davidson Lütkenhaus, Marie De Luján Tricotti
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Patent number: 10682835Abstract: A multilayer shrink film comprising a first layer, a second layer, and a third layer, wherein the second layer is positioned between the first layer and the third layer, and wherein the second layer comprises a second polymer blend, the second polymer blend comprising from 0 to 60 wt. %, based on the total polymer weight in the second polymer blend, of a low density polyethylene, and from 40 to 100 wt. %, based on the total polymer weight in the second polymer blend, of an ethylene/?-olefin interpolymer composition having a density in the range of from 0.860 g/cc to 0.910 g/cc, a melt index (I2) in a range of from 0.1 to 5 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 1.8 to 3.5, and a Comonomer Distribution Constant (CDC) in the range of from 95 to 200.Type: GrantFiled: September 9, 2016Date of Patent: June 16, 2020Assignees: PBBPolisur S.R.L., Dow Global Technologies LLC, Dow Quimica de Colombia S.A.Inventors: Maximiliano Zanetti, Guillermo A. Raimondi, Jorge C. Gomes, Miguel A. Molano Niampira
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Patent number: 10300685Abstract: A polyethylene-based multi-layer film, which is particularly useful as a greenhouse film, is provided. The multi-layer film contains an ethylene/?-olefin interpolymer composition having a Comonomer Distribution Constant (CDC) in the range of from 75 to 200, a vinyl unsaturation of less than 0.15 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 2 to 20; a density in the range of from 0.903 to 0.950 g/cm3, a melt index (I2) in a range of from 0.1 to 5 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 1.8 to 3.5.Type: GrantFiled: April 30, 2015Date of Patent: May 28, 2019Assignees: Dow Quimica Mexicana S.A. de C.V., PBBPolisur S.R.L, Dow Global Technologies LLC, Dow Quimica de Colombia S.A.Inventors: Carlos Ponce Flores, Maximiliano Zanetti, Jorge C. Gomes, Miguel Angel Molano Niampira, Francisco Paz