Solid Polymer Derived From Ethylene Or Propylene Patents (Class 525/240)
-
Patent number: 12258429Abstract: New C2C3 random copolymer composition, which shows improved sealing behaviour due to low sealing initiation temperature (SIT) and high hot tack force. In addition, the inventive composition shows an excellent sterilization behaviour, i.e. retention of low haze level after sterilization. The present invention is furthermore related to the manufacture of said copolymer composition and to its use.Type: GrantFiled: May 20, 2020Date of Patent: March 25, 2025Assignee: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuss, Stefan Ortner
-
Patent number: 12240968Abstract: Heterophasic polypropylene copolymer compositions and methods of making the same include a matrix phase of a random polypropylene-based copolymer; and an elastomeric rubber phase dispersed in the matrix phase, wherein the elastomeric rubber phase includes propylene and one or more comonomers and has a viscosity index ratio, relative to a viscosity index of the random polypropylene-based copolymer, that ranges from 0.3 to 1.1; and wherein an average particle size of the dispersed elastomeric rubber phase is less than 300 nm. Methods include dispersing an elastomeric rubber phase that includes propylene and one or more comonomers into a matrix phase of a random polypropylene-based copolymer, wherein the elastomeric rubber phase has a viscosity index ratio, relative to a viscosity index of the random polypropylene-based copolymer that ranges from 0.3 to 1.1.Type: GrantFiled: June 28, 2023Date of Patent: March 4, 2025Assignee: Braskem S.A.Inventors: Tadeu Mezacasa Forest, Gustavo Gori Lusa
-
Patent number: 12221533Abstract: A heterophasic polypropylene composition comprises a matrix based on a propylene-random copolymer and a linear low density polyethylene dispersed in the matrix. The heterophasic polypropylene composition has both improved impact strength and reduced amount of fraction soluble in cold xylene (XCS), while maintaining optical properties. Further, the heterophasic polypropylene composition has an optimised ratio of impact strength to the amount of fraction soluble in cold xylene (XCS).p.Type: GrantFiled: May 14, 2020Date of Patent: February 11, 2025Assignee: BOREALIS AGInventors: Jingbo Wang, Elisabeth Potter, Luc Monnissen, Meta Cigon
-
Patent number: 12221498Abstract: The present invention relates to polyolefin. More specifically, the present invention relates to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency, and such polyolefin has a density of 0.915 g/cm3 to 0.930 g/cm3 measured according to ASTM D1505; and has an ethylene sequence inhomogeneity (I) calculated by the following Equation 1 of 1.25 to 1.40, when analyzed by SSA (Successive Self-nucleation and Annealing): Inhomogeneity (I)=Lw/Ln??[Equation 1] in the Equation 1, Lw is weighted average (unit: nm) of ESL (Ethylene sequence length), and Ln is arithmetic mean (unit: nm) of ESL (Ethylene sequence length).Type: GrantFiled: December 20, 2019Date of Patent: February 11, 2025Assignee: LG Chem, Ltd.Inventors: Jinyoung Lee, Sung Min Lee, Jeongkyu Lee, Hyojoon Lee, Seyoung Kim, Sung Ho Park, Seul Ki Im, Seok Hwan Kim, Daesik Hong
-
Patent number: 12215232Abstract: The present disclosure provides embodiments of an asphalt composition and methods of making that may include asphalt binder; a recycled polymer component; an epoxy-functionalized ethylene copolymer, the epoxy-functionalized ethylene copolymer having the formula E/X/Y/Z. E may be a copolymer unit —(CH2CH2)— derived from ethylene; X may be a copolymer unit —(CH2CR1R2)—, where R1 is hydrogen, methyl, or ethyl, and R2 is carboalkoxy, acyloxy, or alkoxy of 1 to 10 carbon atoms, present in from 0 to about 40 weight % of the copolymer; Y may be a copolymer unit —(CH2CR3R4)—, where R3 is hydrogen or methyl and R4 is carboglycidoxy or glycidoxy present in from 0 to about 25 weight % of the copolymer; Z may be a copolymer derived from comonomers including carbon monoxide, sulfur dioxide, acrylonitrile, or other monomers, present from 0 to about 10 weight % of the copolymer.Type: GrantFiled: January 31, 2020Date of Patent: February 4, 2025Assignee: Dow Global Technologies LLCInventors: Cristina Serrat, Charles J. DuBois, Jr., Hayley A. Brown, Jorge C. Gomes, Renata de Oliveria Pimentel
-
Patent number: 12195610Abstract: Polymer blends, films, and coated substrates that include the polymer blends. The polymer blends include at least 90% by weight low density polyethylene polymer and from 1 to 10% by weight ionomer. The LDPE polymer has a melt index (I2)from 2 g/10 mins to 6 g/10 mins, and a molecular weight distribution from 5 to 11 as determined by a conventional gel permeation chromatography method. The ionomer includes an ethylene acid copolymer, in which from 15% to 70% of acid groups are neutralized by sodium cation based on the total number of acid groups in the acid copolymer. The ethylene acid copolymer is the polymerized reaction product of: at least 50% by wt. ethylene, from 2 wt. % to 40 wt. % of monocarboxylic acid monomer, and from 0 to 20 wt. % of alkyl acrylate, based on the total wt. % of the monomers present in the ethylene acid copolymer.Type: GrantFiled: July 30, 2020Date of Patent: January 14, 2025Assignee: Dow Global Technologies LLCInventors: Jong Young Lee, Yifan Dong, Barry Alan Morris, Teresa P. Karjala, Eva-Maria Kupsch
-
Patent number: 12173142Abstract: The present disclosure relates to a polyethylene having high degree of crosslinking and a crosslinked polyethylene pipe including the same. The polyethylene according to the present disclosure has a high content of ultra-high molecular weight, and thus a crosslinking rate is improved, and thus a sufficient degree of crosslinking is exhibited even when the crosslinking time is shortened, thereby exhibiting excellent strength and pressure resistance characteristics.Type: GrantFiled: February 20, 2020Date of Patent: December 24, 2024Assignee: LG Chem, Ltd.Inventors: Sol Cho, Hyunsup Lee, Sun Mi Kim, Yi Young Choi, Myunghan Lee, Yeonsoo Kim
-
Patent number: 12168738Abstract: An adhesive resin composition including a propylene polymer (A), an ethylene polymer (B), and a thermoplastic resin (C) including a copolymer containing not less than 60 mol % and not more than 99 mol % of structural units derived from 4-methyl-1-pentene, and not less than 1 mol % and not more than 40 mol % of structural units derived from a C2-C20 ?-olefin other than 4-methyl-1-pentene, these structural units representing total 100 mol % of the copolymer, the thermoplastic resin (C) showing a melting point Tm of not more than 199° C. or showing substantially no melting point as analyzed with a differential scanning calorimeter (DSC). The total of the components (A), (B) and (C) includes 45 to 75 parts by mass of the component (A), 5 to 20 parts by mass of the component (B), and 15 to 45 parts by mass of the component (C).Type: GrantFiled: January 6, 2020Date of Patent: December 17, 2024Assignee: Mitsui Chemicals, Inc.Inventors: Akihiko Iwashita, Ryohei Shiga, Motoyasu Yasui, Yoshisada Fukagawa, Kyoko Kobayashi, Masahiko Okamoto
-
Patent number: 12163012Abstract: A dual reactor solution polymerization process gives polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which has a balance of barrier properties, toughness and environmental resistance. The polyethylene compositions are suitable for end use applications which may benefit from low oxygen transmission rates such as closures for bottles or barrier film.Type: GrantFiled: January 24, 2020Date of Patent: December 10, 2024Assignee: NOVA Chemicals (International) S.A.Inventor: Xiaochuan Wang
-
Patent number: 12152171Abstract: Provided is an adhesive composition including an ethylene-acrylic acid copolymer and a post-consumer recycled resin (PCR), wherein the ethylene-acrylic acid copolymer has a melt index (190° C., 2.16 kg, ASTM D1238) of 1 to 30 g/10 min, and the PCR has a melt index (190° C., 2.16 kg, ASTM D1238) of 1 to 10 g/10 min, and a preparation method thereof, which can have excellent processability, low gel content, and excellent adhesive strength by easily distinguishing a certain level of PCR resin by a capillary rheometer and mixing the PCR resin with an ethylene-acrylic acid copolymer.Type: GrantFiled: July 19, 2023Date of Patent: November 26, 2024Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.Inventors: Bu Yeon Hwang, Sang Ha Son, Dong Hyun Woo, Ji Hyeon Choi
-
Patent number: 12145344Abstract: The present invention relates to oriented, multilayer polyethylene films. In one aspect, a biaxially oriented, multilayer polyethylene film comprises at least one layer comprising: (1) a polyethylene-based composition that comprises: (a) at least 97% by weight, based on the total weight of the polyethylene-based composition, of a polyethylene composition comprising: (i) from 25 to 37 percent by weight of a first polyethylene fraction having a density in the range of 0.935 to 0.947 g/cm3 and a melt index (I2) of less than 0.1 g/10 minutes; and (ii) from 63 to 75 percent by weight of a second polyethylene fraction; and (b) 20 to 5000 ppm, based on the total weight of the polyethylene-based composition of a nucleating agent, wherein the nucleating agent comprises a calcium salt of 1,2-cyclohexanedicarboxylic acid or sodium 4-[(4-chlorobenzoyl) amino] benzoate; wherein the polyethylene composition has less than 0.Type: GrantFiled: November 11, 2020Date of Patent: November 19, 2024Assignee: Dow Global Technologies LLCInventors: Karlheinz Hausmann, Justice Alaboson, Jian Wang, Brayden E. Glad, Ronald Wevers, Sanjib Biswas, Andrew T. Heitsch, Mridula Kapur, Didem Oner-Deliormanli, Joshua B. Gaubert, Alexander Williamson, Mehmet Demirors
-
Patent number: 12146046Abstract: The invention is related to polypropylene compositions combining high impact strength with good haze and additionally showing good stress whitening resistance.Type: GrantFiled: October 29, 2019Date of Patent: November 19, 2024Assignee: Borealis AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
-
Patent number: 12129366Abstract: A polymer composition for manufacturing a small to medium-sized container and which includes a high-density polyethylene (HDPE) recovered from a secondary battery separator. A polymer composition having excellent processability may be prepared by recycling a secondary battery separator. The polymer composition may be molded to manufacture an environmentally friendly small to medium-sized container, such as a small to medium-sized container, having excellent flexural strength, elongation, impact strength, and environmental stress crack resistance.Type: GrantFiled: May 31, 2023Date of Patent: October 29, 2024Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.Inventors: Hye Jin Lee, Jong Sang Park, Dae Sig Hong, Sang Mook Kang
-
Patent number: 12122903Abstract: The present disclosure relates to a crosslinked polyethylene pipe having excellent physical properties. The crosslinked polyethylene pipe according to the present disclosure has optimized the degree of crosslinking and storage modulus by finding out the optimum physical property range between the degree of crosslinking and the storage modulus which have a mutual trade-off relationship, whereby the crosslinked polyethylene pipe according to the present disclosure has excellent long-term durability and short-term pressure resistance, and thus can be applied to various fields requiring these physical properties.Type: GrantFiled: February 20, 2020Date of Patent: October 22, 2024Assignee: LG Chem, Ltd.Inventors: Hyunsup Lee, Sol Cho, Yeonsoo Kim, Yi Young Choi, Myunghan Lee
-
Patent number: 12116473Abstract: The present disclosure provides a composition. The composition includes (i) an ethylene-based polymer; (ii) an organic peroxide, (iii) a phosphine oxide, and (iv) a protic acid-source compound (“PASC”) selected from a protic acid, a protic acid-generator compound (“PAGC”), and combinations thereof. The present disclosure also provides a coated conductor. The coated conductor includes a conductor and a coating on the conductor, the coating containing a composition including (i) an ethylene-based polymer; (ii) an organic peroxide, (iii) a phosphine oxide, and (iv) a protic acid-source compound (“PASC”) selected from a protic acid, a protic acid-generator compound (“PAGC”), and combinations thereof.Type: GrantFiled: September 12, 2019Date of Patent: October 15, 2024Assignees: Dow Global Technologies LLC, Georgia Tech Research CorporationInventors: Bharat I. Chaudhary, Jeffrey M. Cogen, Charles Liotta, Pamela Pollet, Sarath Sarngadharan
-
Patent number: 12104049Abstract: The present invention is directed to a polyethylene-polypropylene composition comprising a blend (A) being a recycled material, said blend comprising polypropylene and polyethylene, and a compatibilizer (B) being a C2C3C4 terpolymer. Further, the present invention is directed to an article comprising said polyethylene-polypropylene composition and a process for preparing said polyethylene-polypropylene composition. The present invention is also directed to the use of a compatibilizer (B) being a C2C3C4 terpolymer for improving the impact-stiffness balance and the morphology of the blend (A).Type: GrantFiled: March 26, 2020Date of Patent: October 1, 2024Assignee: BOREALIS AGInventors: Susanne Kahlen, Hermann Braun, Yi Liu, Markus Gahleitner, Gerhard Hubner
-
Patent number: 12104301Abstract: A nonwoven fabric comprises at least one fiber having a first component prepared from at least 75 wt. % of bimodalethylene/alpha-olefin interpolymer composition, wherein the ethylene/alpha-olefin interpolymer composition is characterized by: a density in the range of 0.930 to 0.965 g/cm3, a melt index (I2) in the range of from 10 to 60 g/10 minutes, wherein the I2 is measured according to ASTM D1238, 190 C, 2.16 kg, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw(GPC)/Mn(GPC)) as determined by GPC of from 1.5 to 2.6, a tan delta at 1 radian/second of at least 45, a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure, and a full width at half maximum of the high temperature peak is less than 6.0° C.Type: GrantFiled: November 20, 2019Date of Patent: October 1, 2024Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Mehmet Demirors, Fabricio Arteaga Larios, Mridula Kapur, Philip P. Fontaine, David T. Gillespie, Yijian Lin, Lanhe Zhang, Sanjib Biswas, Eduardo Alvarez, Aleksandar Stoiljkovic, Rajen M. Patel
-
Patent number: 12091536Abstract: A resin composition including a 4-methyl-1-pentene copolymer (A) that satisfies particular requirements and a 4-methyl-1-pentene copolymer (B) that satisfies particular requirements, in which the content of the copolymer (A) is 10 to 95 parts by mass and the content of the copolymer (B) is 90 to 5 parts by mass with respect to 100 parts by mass of the total content of the copolymers (A) and (B).Type: GrantFiled: December 2, 2019Date of Patent: September 17, 2024Assignee: Mitsui Chemicals, Inc.Inventors: Hisanori Hashimoto, Masahiko Okamoto, Makoto Nakano, Toyoaki Sasaki, Masakazu Tanaka
-
Patent number: 12091530Abstract: A dual reactor solution polymerization process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer. The polyethylene compositions can be used in the manufacture of injection molded closures or cast film having good barrier properties.Type: GrantFiled: December 13, 2019Date of Patent: September 17, 2024Assignee: NOVA Chemicals (International) S.A.Inventors: Xiaochuan Wang, Stephen Salomons
-
Patent number: 12076902Abstract: An ultra-high-molecular-weight fiber manufacturing method is provided. The method includes: removing moisture in a mixed liquid to form a to-be-processed raw material, and supplying the to-be-processed raw material to a spinning device, where the spinning device heats the to-be-processed raw material in different stages, to make the to-be-processed raw material form a semi-molten state and be extruded toward a discharge outlet, to spin at least one fibril; cooling the at least one fibril, to form a first wire; if hardness of the first wire is not in a hardness range, selecting at least two discontinuous heating zones located in the spinning device to perform temperature adjustment; stretching, heating, and re-stretching the first wire, to form a second wire; winding the second wire around a drum; and stretching, drying, and re-stretching the second wire, to form a final wire product.Type: GrantFiled: November 16, 2021Date of Patent: September 3, 2024Assignee: QUANN CHENG INTERNATIONAL CO., LTD.Inventor: Hsing-Hsun Lee
-
Patent number: 12077965Abstract: Exemplary embodiments of a thermoplastic polyolefin membrane are provided. The colored TPO membrane can have a cap layer having a top color layer and a white sub-layer having a solar reflectance underneath the top color layer, and a core layer underneath the cap layer. The colored TPO roofing membrane can have a reinforcing polyester scrim between the cap layer and the core layer. The white sub-layer can be made up of one or more layers.Type: GrantFiled: August 19, 2022Date of Patent: September 3, 2024Assignee: BMIC LLCInventors: Linlin Xing, Thomas John Taylor
-
Patent number: 12071493Abstract: PP/UHMW-PE (Polypropylene-Ultrahigh-Molecular-Weight-Polyethylene) composition having: —a melting temperature Tm in the range of 125 to 150° C. (DSC, ISO 11357, Part 3), —an MFR2 of 0.15 to 0.60 g/10 min (2.16 kg, 230° C., IS01133), —units derived from 1-hexene in an amount of at least 1.80 wt.-%, and —a XS according to IS016152 of less than 5.0 wt.-% all weight percentages with respect to the total PP/UHMW-PE composition.Type: GrantFiled: May 7, 2019Date of Patent: August 27, 2024Assignee: BOREALIS AGInventors: Pauli Leskinen, Jingbo Wang, Markus Gahleitner, Klaus Bernreitner
-
Patent number: 12054592Abstract: 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: GrantFiled: February 27, 2019Date of Patent: August 6, 2024Assignees: 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
-
Patent number: 12043728Abstract: A heterophasic copolymer composition obtained by a process comprising polymerising in multiple steps and multiple polymerisation reactors propylene monomer and a comonomer selected from ethylene, alpha-olefins having 4 to 10 carbon atoms and their mixtures, in the presence of an olefin polymerisation catalyst comprising a solid catalyst component and a co-catalyst, wherein the solid catalyst component comprises titanium, magnesium, halogen and an internal donor of the formula (I): wherein R1 and R2 are the same or different being a linear or branched C1-C12-alkyl group and R is hydrogen or a linear, branched or cyclic C1 to C12-alkyl.Type: GrantFiled: August 29, 2022Date of Patent: July 23, 2024Assignee: BOREALIS AGInventors: Pauli Leskinen, Johanna Lilja, Jingbo Wang, Markus Gahleitner
-
Patent number: 12037688Abstract: A method for the production of metal-plated articles, including the step of depositing an electrically-conductive metallic layer on a surface of an article comprising a polymer composition comprising by weight: a) 40-60% of a propylene homopolymer, or propylene copolymer containing up to 5% by weight of ethylene and/or another C4-C10 ?-olefin, and having a melting temperature of 155° C. or higher and/or a fraction soluble in xylene at 25° C. of 10% by weight or less; b) 10-20% of an ethylene-based elastoplastic copolymer, optionally, a copolymer of ethylene with C4-C10 ?-olefin; c) 2-6% of a styrene block copolymer; d) optionally, up to 3% of a propylene homopolymer having a Melt Flow Rate (230° C./2.16 kg) of 500 g/10 min. or more; e) 15-50% of a filler; and f) optionally, up to 6% of a color pigment.Type: GrantFiled: March 23, 2020Date of Patent: July 16, 2024Assignee: Basell Poliolefine Italia S.r.l.Inventors: Luca Lunghi, Maria Aranzazu Lujan Abarca, Alberto Foguet Roca
-
Patent number: 12037441Abstract: To provide a solid catalyst component for olefin polymerization having a small amount of fine powder. A solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom, a halogen atom, and an internal electron donor. The solid catalyst component has an absolute difference in binding energy of 73.50 to 75.35 eV between a peak (1) with the binding energy of 457.00 to 459.00 eV and a peak (2) with the binding energy of 532.50 to 534.50 eV. The peak (1) and the peak (2) are within peak components measured by X-ray photoelectron spectroscopy, the peak (1) is obtained by waveform separation of peaks assigned to the 2p orbitals of the titanium atom, and the peak (2) is obtained by waveform separation of peaks assigned to the is orbital of an oxygen atom.Type: GrantFiled: May 10, 2023Date of Patent: July 16, 2024Assignee: Sumitomo Chemical Company, LimitedInventors: Tetsuo Suzuki, Masaki Ito
-
High strength and high thermal conductivity polyethylene thin film having a bimodal molecular weight
Patent number: 12031019Abstract: An optically clear, high strength, high modulus, and high thermal conductivity polyethylene thin film may be formed from a crystallizable polymer and an additive configured to interact with the crystallizable polymer to facilitate crystallite alignment and, in some examples, create a higher crystalline content within the polyethylene thin film. The polyethylene thin film may be characterized by a bimodal molecular weight distribution where the molecular weight of the additive may be less than approximately 5% of the molecular weight of the crystallizable polymer. Example crystallizable polymers may include high molecular weight polyethylene, high density polyethylene, and ultra-high molecular weight polyethylene. Example additives may include low molecular weight polyethylene and polyethylene oligomers. The polyethylene thin film may be characterized by a Young's modulus of at least approximately 10 GPa, a tensile strength of at least approximately 0.Type: GrantFiled: December 17, 2021Date of Patent: July 9, 2024Assignee: Meta Platforms Technologies, LLCInventors: Sheng Ye, Andrew John Ouderkirk, Arman Boromand, Christopher Stipe, Hao Mei, Christopher Yuan Ting Liao -
Patent number: 12024623Abstract: A polyolefin composition made from or containing: T1) 50-90 wt % of a recycled polyolefin mixture; and T2) 10-50 wt % of a polyolefin component containing: A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 20-50% by weight of a copolymer of ethylene and a C3-C8 alpha-olefin made from or containing 0.1-20% by weight of alpha-olefin units; and C) 30-60% by weight of a copolymer of ethylene and propylene made from or containing 25-75% by weight of ethylene units.Type: GrantFiled: February 20, 2020Date of Patent: July 2, 2024Assignee: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Monica Galvan, Marco Ciarafoni
-
Patent number: 12018142Abstract: Provided herein are polymer compositions comprising a polymer and polyethylene glycol (PEG)-based polymer processing aid (PPA). The polyethylene glycol can have molecular weight less than 40,000 g/mol. The polymer can be a C2-C6 olefin homopolymer or a copolymer of two or more C2-C20 ?-olefins, and the polymer composition can take the form of polymer pellets; a polymer melt; reactor-grade polymer granules and/or polymer slurries; or other form of polymer composition containing the PPA and optionally one or more other additives. The polymer composition is preferably free or substantially free of fluorine, including fluoropolymer-based PPAs.Type: GrantFiled: September 23, 2022Date of Patent: June 25, 2024Assignee: ExxonMobil Chemical Patents Inc.Inventors: Michael A. Leaf, Danny Van Hoyweghen, Nino Ruocco
-
Patent number: 12020871Abstract: A polypropylene film in which: during a heating process in thermomechanical analysis (TMA), the relationship (Ts?Tf)?40° C. is satisfied by the temperature (Ts) (° C.) at which the film contracts by 0.1% in the longitudinal direction and the temperature (Tf) (° C.) at which the longitudinal shrink stress reaches 0.01 MPa; and the skewness (Ssk), which is the degree of bias of the protrusion shape, of at least one surface of the film is greater than ?30 and less than 5. Thus provided is a polypropylene film that has excellent reliability and withstand voltage characteristics in high temperature environments when used in high voltage capacitors, that has a structure with excellent stability against heat and is suitable for applications in capacitors or the like to be used at high temperatures and high voltages, and that has excellent processability and does not wrinkle during a conveyance process including a vapor deposition process.Type: GrantFiled: February 18, 2021Date of Patent: June 25, 2024Assignee: Toray Industries, Inc.Inventors: Yasuyuki Imanishi, Masatoshi Ohkura, Yuta Nakanishi
-
Patent number: 11993701Abstract: New polypropylene composition which combines low sealing initiation temperature (SIT), high hot-tack, good optical properties, like low haze and its use, and improved stiffness/impact balance.Type: GrantFiled: May 24, 2022Date of Patent: May 28, 2024Assignee: BOREALIS AGInventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Peter Niedersüss, Friedrich Berger, Stefan Ortner
-
Patent number: 11992990Abstract: This invention generally relates to polyethylene or ethylene/?-olefin copolymer based co-extruded, multi-layer films or sheets—rigid or flexible—for thermoforming into shaped containers such as packaging containers. Inter alia, the rigid films have improved barrier properties, toughness, and snapability. Particularly, the films of the present invention comprise one or more stacks of polypropylene layers. In one embodiment, the polypropylene layers in the stack are provided such that any two adjacent layers have different microstructures that provide a interface or interphase between the two layers with likely different microstructures and/or crystallinity. The overall polypropylene stack structure assists in disrupting the transport of oxygen, thereby providing a laminate or structure, for example a rigid film or sheet, with enhanced oxygen-barrier properties.Type: GrantFiled: August 16, 2021Date of Patent: May 28, 2024Assignee: Superior Plastics Extrusion Co. Inc.Inventors: Jimmy A. Shah, Hari Parvatareddy
-
Patent number: 11990253Abstract: An insulating resin composition includes at least a base resin, and an antioxidant. The base resin includes a polyolefin resin modified with a polar group-containing molecule and an unmodified polyolefin resin. The polar group-containing molecule is at least one selected from an unsaturated dicarboxylic acid, an unsaturated dicarboxylic acid anhydride, and an unsaturated dicarboxylic acid anhydride derivative. The base resin has a sea-island structure including a first phase having the unmodified polyolefin resin and a second phase provided in the first phase and having the modified polyolefin resin. The second phase has an average diameter of 2 ?m or less.Type: GrantFiled: March 30, 2020Date of Patent: May 21, 2024Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Tetsuya Mieda, Takahiro Kanaya
-
Patent number: 11987655Abstract: The present invention relates to polyolefin. More specifically, the present invention relate s to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency and satisfying one of the following 1)˜4): 1) when density is 0.9165 g/cm3 or more and less than 0.9175 g/cm3, the content of SCB (Short Chain Branch) is 9.5 to 10.5 wt %, 2) when density is 0.9175 g/cm3 or more and less than 0.9185 g/cm3, the content of SCB (Short Chain Branch) is 9.0 to 10.0 wt %, 3) when density is 0.9185 g/cm3 or more and less than 0.9195 g/cm3, the content of SCB (Short Chain Branch) is 8.5 to 9.5 wt %, 4) when density is 0.9195 g/cm3 or more and less than 0.9205 g/cm3, the content of SCB (Short Chain Branch) is 7.5 to 8.5 wt %, wherein the density is measured according to ASTM D1505.Type: GrantFiled: December 20, 2019Date of Patent: May 21, 2024Assignee: LG Chem, Ltd.Inventors: Sung Min Lee, Jeongkyu Lee, Hyojoon Lee, Seyoung Kim, Sung Ho Park, Seul Ki Im, Jinyoung Lee, Chang Hwan Jang, Daesik Hong, Jisoo Song
-
Patent number: 11981781Abstract: The present invention discloses a process for providing a cross-linked composition, the process comprising the steps of (a) providing an ethylene-?-olefin plastomer having—a density of from 850 kg/m3 to 900 kg/m3; and—an melt flow rate (ISO 1133, 2.16 kg, 190° C.) of 0.3 to 50 g/10 min; (b) grafting the ethylene-?-olefin plastomer with silane crosslinker such that the content of silane crosslinker is in the range of 0.1 to 10.0 wt. % with respect to the grafted ethylene-?-olefin plastomer; (c) contacting said grafted ethylene-?-olefin plastomer with 2 to 8 wt. % of a tin-free silane crosslinking catalyst with respect to the resulting mixture of grafted ethylene-?-olefin plastomer and tin-freesilane crosslinking catalyst, wherein said tin-free catalyst comprises a Brönsted acid at 23° C. and 50% relative humidity for at least 15 minutes thus forming a cross-linked composition, wherein gel content of said cross-linked composition after 15 min is at least 60%.Type: GrantFiled: September 26, 2019Date of Patent: May 14, 2024Assignee: Borealis AGInventors: Oscar Prieto, Jeroen Oderkerk, Jari-Jussi Ruskeeniemi, Stefan Hellström, Tanja Piel, Daniela Mileva
-
Patent number: 11975466Abstract: An injection molded cap or closure having a weld line, wherein the injection molded cap or closure is formed from an ethylene-based resin comprising a high molecular weight component and a low molecular weight component.Type: GrantFiled: May 29, 2020Date of Patent: May 7, 2024Assignee: Dow Global Technologies LLCInventors: Keran Lu, Yijian Lin, Mridula Kapur, Tian Lan, Stephanie M. Whited, John L. Sugden, Siddharth Ram Athreya
-
Patent number: 11970601Abstract: A thermoplastic polyolefin composition comprises: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and calcium carbonate. And an article is made from the thermoplastic polyolefin composition.Type: GrantFiled: November 29, 2018Date of Patent: April 30, 2024Assignee: Dow Global Technologies LLCInventors: Haiying Li, Andong Liu, Shaoguang Feng, Xiuhan Yang, Jian Zou, Ming Ming, Yonghua Gong, Xuemei Zhai
-
Patent number: 11969976Abstract: Embodiments of the present disclosure are directed to multilayer films. Embodiments of the multilayer films may include a first layer comprising a first polyolefin, a second layer comprising a second polyolefin, a third layer comprising a third polyolefin, fourth layer comprising a fourth polyolefin, and a fifth layer comprising a fifth polyolefin. The second layer may be positioned between the first layer and the third layer; the third layer may be positioned between the second layer and the fourth layer; and the fourth layer may be positioned between the third layer and the fifth layer. Two or more of the first polyolefin, second polyolefin, third polyolefin, and fourth polyolefin may be the same or different. The third polyolefin may be a polyethylene composition having a density of 0.924 g/cm3 to 0.936 g/cm3 and a melt index (I2) of 0.25 g/10 minutes to 2.0 g/10 minutes.Type: GrantFiled: August 4, 2020Date of Patent: April 30, 2024Assignees: Dow Global Technologies LLC, Dow Quimica De Colombia S.A.Inventors: Jorge Mario Rodriguez Camelo, Marlos Guintini de Oliveira, Nicolas Cardoso Mazzola, Sanjib Biswas, Joshua B. Gaubert, Douglas S. Ginger, Mridula Kapur, Didem Oner-Deliormanli, Mehmet Demirors
-
Patent number: 11958961Abstract: A polyethylene homopolymer composition comprises: a first ethylene homopolymer having a density, d1 of from 0.930 to 0.975 g/cm3, a melt index, I21 of from 0.01 to 10 g/10 min, and a molecular weight distribution, Mw/Mn of less than 2.5; and a second ethylene homopolymer having a density, d2 of from 0.945 to 0.980 g/cm3, a melt index, I22 of at least 1.0 g/10 min, and a molecular weight distribution, Mw/Mn of less than 2.5; wherein melt index, I22 of the second ethylene homopolymer is greater than the melt index, I21 of the first ethylene homopolymer. The polyethylene homopolymer compositions which may be nucleated have a weight average molecular weight, Mw of ?75,000, a molecular weight distribution, Mw/Mn of less than 4.0 and may be usefully employed in molding applications, such as, for example, in compression molded closures.Type: GrantFiled: November 28, 2019Date of Patent: April 16, 2024Assignee: NOVA Chemicals (International) S.A.Inventor: XiaoChuan Wang
-
Patent number: 11958962Abstract: A polyethylene homopolymer composition comprises: a first ethylene homopolymer having a density, d1 of from 0.943 to 0.975 g/cm3, a melt index, I21 of from 0.01 to 10 g/10 min, and a molecular weight distribution, Mw/Mn of less than 3.0; and a second ethylene homopolymer having a density, d2 of from 0.950 to 0.985 g/cm3, a melt index, I22 of at least 500 g/10 min, and a molecular weight distribution, Mw/Mn of less than 3.0; wherein the ratio of the melt index, I22 of the second ethylene homopolymer to the melt index, I21 of the first ethylene homopolymer is at least 50. The polyethylene homopolymer compositions which may be nucleated have a weight average molecular weight, Mw of ?75,000, a high load melt index, I21 of at least 200 g/10 min, a molecular weight distribution, Mw/Mn of from 4.0 to 12.0 and may be usefully employed in molding applications, such as, for example, in compression molded closures.Type: GrantFiled: November 28, 2019Date of Patent: April 16, 2024Assignee: NOVA Chemicals (International) S.A.Inventor: XiaoChuan Wang
-
Patent number: 11951715Abstract: The invention relates to a film laminate, including at least one compact decorative layer with a lacquer layer on the upper side and with a foam layer on the underside, where the density of the foam layer is more than 500 kg/m3. The invention further relates to the use of said film laminate for the coating of components for the interior trim of motor vehicles and to interior trim parts of motor vehicles provided with said film laminate. The foam layer is based on a composition which includes from 15 to 60 parts by weight of at least one thermoplastic vulcanizate, from 15 to 35 parts by weight of at least one high melt strength polyolefin, and from 30 to 60 parts by weight of at least one low density polyethylene (LDPE).Type: GrantFiled: March 19, 2020Date of Patent: April 9, 2024Assignee: Benecke-Kaliko AGInventors: Joseph Mani, Volker Huelsewede
-
Patent number: 11945889Abstract: A bimodal ethylene-co-1-hexene copolymer consisting essentially of a higher molecular weight component and a lower molecular weight component and, when in melted form at 190 degrees Celsius, is characterized by a unique melt property space defined by a combination of high-load melt index, melt flow ratio, and melt elasticity properties. A blown film consisting essentially of the bimodal ethylene-co-1-hexene copolymer. A method of synthesizing the bimodal ethylene-co-1-hexene copolymer. A method of making the blown film. A manufactured article comprising the bimodal ethylene-co-1-hexene copolymer.Type: GrantFiled: June 7, 2019Date of Patent: April 2, 2024Assignee: Univation Technologies LLCInventors: Bo Liu, Joel D. Wieliczko, John F. Szul, Daudi A. Abe, Roger L. Kuhlman, Ayush A. Bafna, Timothy R. Lynn
-
Patent number: 11912858Abstract: A molded bale of a rubber-like block copolymer, the rubber-like block copolymer containing 5% by mass or more and 95% by mass or less of a polymer block (a) having a content of a vinyl aromatic monomer unit of 22% by mass or less; and 5% by mass or more and 95% by mass or less of a polymer block (b) having a content of a vinyl aromatic monomer unit of 23% by mass or more and less than 50% by mass, in which the rubber-like block copolymer has an iodine value of 10 to 250, an ethylene structure content of 3% by mass or more, and a vinyl aromatic monomer block content of less than 10% by mass.Type: GrantFiled: July 2, 2021Date of Patent: February 27, 2024Assignee: Asahi Kasei Kabushiki KaishaInventors: Yoshifumi Araki, Atsushi Yasumoto, Daigo Matsuoka, Yoshihisa Inoue, Tomohiro Kondo
-
Patent number: 11905400Abstract: A polypropylene composition made from or containing: A) from 88.0 wt. % to 98.0 wt. %, of a random copolymer of propylene containing from 0.8 wt. % to 4.8 wt. % of 1-hexene derived units; the random copolymer of propylene having: a Melt Flow Rate: measured according to ISO 1133 (230° C., 5 Kg) ranging from 0.5 to 4.4 g/10 min; and B) from 2.0 wt. % to 12.0 wt. % of a terpolymer of propylene ethylene and 1-hexene having a content of ethylene derived units ranging from 35 wt. % to 60 wt.; and a content of 1-hexene derived units ranging from 1 wt. % to 6 wt. %; wherein the polypropylene composition has a Melt Flow Rate: measured according to ISO 1133 (230° C., 5 Kg) ranging from 0.5 to 5.0 g/10 min.Type: GrantFiled: September 11, 2019Date of Patent: February 20, 2024Assignee: Basell Poliolefine Italia S.r.l.Inventors: Monica Galvan, Claudio Cavalieri, Thomas Boehm, Roberto Pantaleoni
-
Patent number: 11904580Abstract: The present invention relates to a multilayer blown film including at least one skin layer (A) including a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) including a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) including either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).Type: GrantFiled: May 14, 2021Date of Patent: February 20, 2024Assignee: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuess, Stefan Ortner
-
Patent number: 11904515Abstract: Molded-in-color thermoplastic polyolefin (TPO) compositions useful for making automotive components, such as injection molded parts, as well as other articles of manufacture are described. The molded-in-color composition has a ?E* value?2.0 (compared to a painted color master), a gloss measured at 60° from about 76 to about 90 GU, a density ranging from about 0.9 to about 0.97 g/cm3, a melt mass flow rate from about 15 to about 40 g/10 min (ASTM D 1238, 230° C./2.16 kg), a flexural modulus between about 600 to about 2000 MPa, and an as-molded shrinkage between about 0.6% and about 1.4%. The compositions can be used to prepare molded-in-color components that can undergo additional clear coating steps as required by the automotive application. The clear coated molded-in-color components have a gloss measured at 20° from about 85 to about 95 GU and a gloss retention after mar between about 85% and about 93%.Type: GrantFiled: March 5, 2021Date of Patent: February 20, 2024Assignee: LyondellBasell Advanced Polymers Inc.Inventors: Peter J. Glenister, Quentin R. Boll, Perry J. Banta, Changlai Yang
-
Patent number: 11905345Abstract: The polyethylene according to the present disclosure has a short relaxation time and a uniform particle size, thereby preparing a chlorinated polyethylene excellent in chlorination productivity and glass transition temperature by reacting with chlorine. And, a PVC composition with improved impact strength may also be prepared by including the same.Type: GrantFiled: December 10, 2019Date of Patent: February 20, 2024Assignee: LG Chem, Ltd.Inventors: Si Jung Lee, Sun Mi Kim, Cheolhwan Jeong, Yi Young Choi, Bog Ki Hong, Sunghyun Park
-
Patent number: 11894575Abstract: A crosslinked polyolefin separator having an average value of light transmittance of 30% or more in a region of 380 nm to 700 nm, after four sides of the separator are fixed and allowed to stand at 130° C. for 30 minutes. A method for manufacturing the crosslinked polyolefin separator is also provided. The crosslinked polyolefin separator has a low shutdown temperature to provide improved safety. The crosslinked polyolefin separator also has a high meltdown temperature and is inhibited from die-drooling.Type: GrantFiled: September 11, 2019Date of Patent: February 6, 2024Inventors: Won-Sik Bae, Joo-Sung Lee, Bi-Oh Ryu, A-Young Lee
-
Patent number: 11879026Abstract: The invention relates to a polypropylene composition comprising a terpolymer containing propylene, ethylene and 1-hexene wherein the polypropylene composition (i) has a content of ethylene derived units of at least 1.5 wt %; (ii) has a content of 1-hexene derived units of at least 1.5 wt %; (iii) has a melt flow rate of 0.10 to 0.70 g/10 min determined by ISO 1133-1:2011 (230° C., 2.16 kg); and (iv) has a ratio of weight average molecular weight (Mw) to numeric average molecular (Mn) weight of the terpolymer of 7.0 to 20.0, wherein Mw and Mn are measured according to ASTM D6474-12.Type: GrantFiled: July 22, 2019Date of Patent: January 23, 2024Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Henrica Norberta Alberta Maria Steenbakkers-Menting, Patrick Elisabeth Luc Voets, Desiree Marie Louise Seegers, Erik Delsman, Ibrahim Mohammad Alsugai, Musaad Al-Sadhan, Martin Alexander Zuideveld, Akhlaq Moman
-
Patent number: 11879080Abstract: Disclosed is a hot melt adhesive comprising: (A) a metallocene based propylene homopolymer, (B) a metallocene based ethylene/?-olefin copolymer, (C) a tackifier resin, and (D) a plasticizer, wherein the plasticizer (D) comprises (D1) an oil and (D2) at least one polymer selected from polybutene, polybutadiene, polyisobutylene, and polyisoprene. This hot melt adhesive has an initial adhesive strength enough to enable a pressure sensitive adhesion body to stick easily on a member, thus making it possible to firmly hold the pressure sensitive adhesion body on the member. The hot melt adhesive is also excellent in releasability, thus causing no adhesive residue on the member when the pressure sensitive adhesion body is peeled from the member.Type: GrantFiled: December 19, 2019Date of Patent: January 23, 2024Assignee: HENKEL AG & CO. KGaAInventors: Atsushi Kakuda, Naohiro Maeda