Patents Assigned to Dow Quimica Mexicana S.A. de C.V.
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Patent number: 11135817Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a multilayer polymeric film having opposing facial surfaces, wherein a first facial surface has a root mean square surface roughness of at least 80 nm when measured using image analysis with an atomic force microscope and wherein a second facial surface has a root mean square surface roughness of less than 80 nm when measured using image analysis with an atomic force microscope; and (b) a coating on at least a portion of the first facial surface, wherein the coating comprises polyurethane, wherein the film comprises at least one of polyethylene, polypropylene, polyethylene terephthalate, or polyamide, and wherein the coated film has a Zebedee clarity of at least 2% when measured according to ASTM D1746/15 in the coated portion of the first facial surface.Type: GrantFiled: September 27, 2017Date of Patent: October 5, 2021Assignees: Dow Global Technologies LLC, Rohm and Haas Company, Dow Quimica Mexicana S.A.de C.V.Inventors: Juan Carlos Casarrubias, Claudia Hernandez, Zair Dominguez Trinidad, Jie Wu
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Patent number: 11065848Abstract: A multilayer film including a core layer and two skin layers, wherein the core layer is positioned between the two skin layers, wherein the core layer includes a polyethylene composition including a high density polyethylene having a density of 0.930-0.965 g/cc and a melt index of 0.7-10.0 g/10 min, and wherein each skin layer independently includes a polypropylene composition including greater than 50 wt. %, based on the total weight of the polypropylene composition, of a propylene-based polymer.Type: GrantFiled: August 30, 2016Date of Patent: July 20, 2021Assignees: Dow Global Technologies LLC, Dow Quimica Mexicana S.A. de C.V.Inventors: Fabricio Arteaga Larios, Jacquelyn A. Degroot, Vivek Kalihari
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Patent number: 10857703Abstract: A multilayer polyethylene film comprising a core layer, a first outer layer, and a second outer layer, wherein the core layer is positioned between the first outer layer and the second outer layer, the core layer comprises a linear low density polyethylene and, optionally, a first low density polyethylene resin, and the first outer layer and the second outer layer independently comprise a polyethylene resin and, optionally, a second low density polyethylene resin, wherein the density of the linear low density polyethylene is less than the density of the polyethylene resin.Type: GrantFiled: November 8, 2016Date of Patent: December 8, 2020Assignees: Dow Global Technologies LLC, Dow Quimica Mexicana S.A. de C.V.Inventors: Vivek Kalihari, Fabricio Arteaga Larios, Jacquelyn A. Degroot
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Patent number: 10427391Abstract: A novel formulation for preparing a polyurethane foam with low density, desirable hardness, good appearance, and good adhesion to a polymer film without compromising the processing properties of the formulation; and a process for preparing a multilayer structure made of the polyurethane foam.Type: GrantFiled: December 19, 2014Date of Patent: October 1, 2019Assignee: Dow Quimica Mexicana S.A. de C.V.Inventor: Juan Hernandez Garcia
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Publication number: 20190218354Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a multilayer polymeric film having opposing facial surfaces, wherein a first facial surface has a root mean square surface roughness of at least 80 nm when measured using image analysis with an atomic force microscope and wherein a second facial surface has a root mean square surface roughness of less than 80 nm when measured using image analysis with an atomic force microscope; and (b) a coating on at least a portion of the first facial surface, wherein the coating comprises polyurethane, wherein the film comprises at least one of polyethylene, polypropylene, polyethylene terephthalate, or polyamide, and wherein the coated film has a Zebedee clarity of at least 2% when measured according to ASTM D1746/15 in the coated portion of the first facial surface.Type: ApplicationFiled: September 27, 2017Publication date: July 18, 2019Applicants: Dow Global Technologies LLC, Rohm and Haas Company, Dow Quimica Mexicana S.A.de C.V.Inventors: Juan Carlos Casarrubias, Claudia Hernandez, Zair Dominguez Trinidad, Jie Wu
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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
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Publication number: 20190136104Abstract: Two-part (2K) polyurethane (PU) adhesives are disclosed based on methylene diphenyl diisocyanate. Also disclosed are methods of manufacture and use. Compared to 2K PUs based on toluene diisocyanate, the disclosed adhesives have lower viscosity and an improved worker safety profile.Type: ApplicationFiled: December 19, 2014Publication date: May 9, 2019Applicant: Dow Quimica Mexicana S.A. de C.V.Inventors: Jose Ramon Lerin Castellanos, Juan Manuel Hernandez Garcia
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Publication number: 20190002673Abstract: Embodiments of polyethylene formulations comprise a partially cross-linked multimodal polyethylene composition having a the first molecular weight ethylene-based polymer component and a second molecular weight ethylene-based polymer component, wherein the partially cross-linked multimodal polyethylene composition comprises a density from 0.930 g/cc to 0.943 g/cc measured according to ASTM D792, a melt index (I2) from 0.01 g/10 min to 5 g/10 min, when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, a molecular weight distribution (MWD) from 5 to 10, wherein MWD is defined as Mw/Mn with Mw being a weight average molecular weight and Mn being a number average molecular weight, and a complex viscosity ratio from 250 to 450, wherein the complex viscosity ratio is defined as the complex viscosity at a shear rate of 0.01 rad/s divided by the complex viscosity at a shear rate of at a shear rate of 100 rad/s.Type: ApplicationFiled: December 20, 2016Publication date: January 3, 2019Applicants: Dow Quimica Mexicana S.A. de C.V., Dow Quimica de Colombia S.A.Inventors: Patricia Perdiz FERNANDEZ, Miguel A. Molano NIAMPIRA