Equistar Chemicals, LP Patent applications |
Patent application number | Title | Published |
20160115284 | HIGH CLARITY AND STRENGTH POLYETHYLENE FILMS - A film having an A/B/A structure comprising an layer A and a layer B. The layer A is present in an amount ranging from 25 to 65 wt. %, based upon the total weight of the A/B/A structure, and the layer A comprises a first A layer and a second A layer each independently comprise linear low density polyethylene. The layer B is present in an amount ranging from 35 to 75 wt. %, based upon the total weight of the A/B/A structure, and the layer B, which comprises high density polyethylene, is positioned between the first A layer and the second A layer. | 04-28-2016 |
20160060440 | CARBON FIBER-FILLED THERMOPLASTIC OLEFINIC COMPOUNDS AND RELATED AUTOMOTIVE COMPONENTS - The present disclosure provides a thermoplastic olefinic composition made from or containing: (A) a first polymer composition made from or containing a homopolymer polypropylene; (B) a second polymer composition made from or containing a polypropylene polymer grafted with an unsaturated monomer; (C) a third polymer composition made from or containing a first elastomeric ethylene copolymer; and (D) a carbon fiber composition made from or containing a carbon fiber coupled with a sizing composition. Optionally, the thermoplastic olefinic composition may be further made from or contain (a) a fourth polymer composition made from or containing a heterophasic polypropylene copolymer, (b) a fifth polymer composition made from or containing a second elastomeric ethylene composition, (c) an inorganic filler composition, (d) an additives composition, or (e) any combination of these components. The thermoplastic olefinic composition is suitable for use as a metal-replacement component, including automotive components. | 03-03-2016 |
20150267087 | POLYOLEFIN-BASED COMPOSITIONS, ADHESIVES, AND RELATED MULTI-LAYERED STRUCTURES PREPARED THEREFROM - The present disclosure provides a polyolefin-based composition suitable for use as adhesives and/or tie-layer adhesive compositions as well as a multi-layered structure made from and/or containing the polyolefin-based composition. The polyolefin-based composition is made from and/or contains (a) a grafted polyolefin composition, (b) a first polymer composition, (c) a polypropylene-containing blend composition, and (d) optionally, an additives composition having one or more additives. | 09-24-2015 |
20150210902 | POLYOLEFIN-BASED COMPOSITIONS, ADHESIVES, AND RELATED MUTLI-LAYERED STRUCTURES PREPARED THEREFROM - The present disclosure provides a polyolefin-based composition suitable for use as adhesives and/or tie-layer adhesive compositions as well as multi-layered structures made from and/or containing the polyolefin-based composition. The polyolefin-based composition is made from and/or contains (a) a grafted polyolefin composition, (b) a linear low density polyethylene composition made from and/or containing metallocene-catalyzed linear low density polyethylene having a melt index from about 2 to about 10 grams per 10 minutes, (c) an elastomer composition made from and/or containing an polyethylene elastomer, (d) a hydrocarbon-based tackifier, and (e) optionally, an additives composition having one or more additives. | 07-30-2015 |
20150141592 | BIMODAL POLYMERIZATION PROCESS UTILIZING CHROMIUM/SILICA CATALYSTS - The present invention relates to novel methods for producing a bimodal or broad distribution of molecular weight polyolefin polymers using Cr/silica catalysts. In some aspects the methods utilize different pressures of hydrogen to tailor the properties of the polymer. In particular aspects, a method of preparing a polyolefin having a bimodal molecular weight distribution, comprising:
| 05-21-2015 |
20150111034 | COMPOSITIONS WITH A GRAFTED POLYOLEFIN COPOLYMER HAVING CONSTITUENTS OF AN UNSATURATED MONOMER, AN OLEFIN ELASTOMER, AND A LONG-CHAIN BRANCHED POLYOLEFIN - The present disclosure provides a polyolefin-based composition, suitable for use as a tie-layer adhesive composition, and a process for making the polyolefin-based composition. The polyolefin-based composition is made from and/or contains a grafted polyolefin copolymer composition, a base resin composition, and optionally, an additives composition. The grafted polyolefin copolymer composition is made from and/or contains a grafted polyolefin composition, an olefin elastomer composition, and a long-chain branched polyolefin composition. The grafted polyolefin is coupled to the olefin elastomer and the long-chain branched polyolefin. | 04-23-2015 |
20150099840 | MOLDED ARTICLES (INCLUDING AUTOMOBILE PARTS) AND RELATED FILLED THERMOPLASTIC POLYOLEFIN COMPOSITIONS - A molded article made from and/or containing a polymeric composition made from and/or containing a high melt flow rate polypropylene homopolymer composition, a compatibilizer, a polyethylene-based elastomer, and talc is provided. An automobile part, including bumper facias, body side-molding, instrumental panels, side pillars, and door trims, with improved coefficients of linear thermal expansion is also provided. | 04-09-2015 |
20150064466 | POLYBUTENE-1 RESIN FOR ADHESION MODIFICATION OF CABLES - An insulated electrical cable having: (a) an electrically conductive core; and (b) a semiconductive shield containing a composition made from and/or containing a butene-1 polymer composition, an ethylene copolymer composition, and a conductive carbon black composition is provided. The semiconductive shield is formed over the electrically conductive core. A method for making insulated electrical cables and a method for making a medium voltage electric power cables is also provided. | 03-05-2015 |
20150064465 | LOW-SMOKE, NON-HALOGENATED FLAME RETARDANT COMPOSITION AND RELATED POWER CABLE JACKETS - A low-smoke, non-halogenated flame retardant composition made from and/or containing polypropylene, magnesium dihydroxide, and aluminum magnesium layered double hydroxide modified with a hydrogenated fatty acid is disclosed. A composition containing and/or made from (a) a polypropylene, (b) a first distribution of magnesium dihydroxide particles having a d50 in the range of about 0.75 microns to about 1.25 microns, (c) a second distribution of magnesium dihydroxide particles having a d50 in the range of about 1.50 microns to about 3.50 microns, and (d) aluminum magnesium layered double hydroxide modified with a hydrogenated fatty acid is disclosed. A power cable having a jacket made from and/or containing a low-smoke non-halogenated flame retardant composition is also disclosed. | 03-05-2015 |
20140377577 | BLENDED POLYMER COMPOSITIONS SUITABLE FOR USE IN WIRE AND CABLE APPLICATIONS AND METHODS OF MAKING THE SAME - Disclosed herein are blended polymer compositions having a polyethylene first resin and a mLLDPE resin. The polyethylene first resin have a density of at least 0.926 g/cm | 12-25-2014 |
20140336327 | POLYOLEFIN MASTERBATCH BASED ON GRAFTED POLYPROPYLENE AND METALLOCENE CATALYZED POLYPROPYLENE - The present disclosure provides masterbatch compositions comprising a polypropylene grafted with a grafting monomer selected from maleic anhydride, acrylic acid or other acid or anhydride functional groups that could be grafted to a polypropylene backbone and a metallocene catalyzed polypropylene base resin. Additionally, the present disclosure provides a polymer composition which includes from 0.1 to 10.0 wt. % of the masterbatch composition, and from 50 to 90% of a third polypropylene, and from 5 to 45% of a filler. | 11-13-2014 |
20140322542 | TIE-LAYER ADHESIVES FOR STYRENIC MULTI-LAYER STRUCTURES - A multilayer structure and a method for forming a multilayer structure, the multilayer structure includes: (A) a first polyolefin layer; (B) a styrene polymer layer; (C) a second polyolefin layer; and (D) at least one tie-layer comprising a tie-layer composition. The tie-layer composition includes: (1) 25 to 75 wt. %, based upon the total weight of the tie-layer composition, of a first copolymer, wherein the first copolymer comprises ethylene derived units and units derived from a C | 10-30-2014 |
20140243475 | POLYETHYLENE PROCESSES AND COMPOSITIONS THEREOF - Embodiments of the present disclosure relate to a method of preparing polyethylene compositions comprising polymerizing ethylene in a first gas-phase reactor and polymerizing ethylene in a second gas-phase reactor in the presence of hydrogen; wherein at least one of the first or second gas-phase reactors comprises a first and second polymerization zone; wherein a hydrogen pressure of the first and second polymerization zones are different such that at least a portion of the second ethylene cycles through the first and second polymerization zones and a gas mixture of each polymerization zone is partially or totally prevented from entering the other zone. | 08-28-2014 |
20140031462 | CONTROLLED RHEOLOGY FORMULATIONS CONTAINING HIGH MELT STRENGTH POLYPROPYLENE FOR EXTRUSION COATING - A process of extruding a blend of an irradiated first propylene polymer and a non-irradiated second propylene polymer, where the first propylene polymer comprises a non-phenolic stabilizer. The irradiation of the first propylene polymer extrudate is conducted in a reduced oxygen environment, and the irradiated first propylene polymer and the non-irradiated second propylene polymer are blended at a temperature below their respective melting points. The blend has a viscosity retention of 20 to 35%. | 01-30-2014 |
20130260064 | TIE LAYER ADHESIVES HAVING GRAFT COMPOSITIONS FOR BONDING TO METAL SUBSTRATES - Tie-layer adhesives having graft compositions for bonding to metal substrates is disclosed. The graft compositions are made up of the reaction product of a live, grafted polyolefin and an olefin elastomer. The grafted polyolefin is first made by heating a polyolefin and an unsaturated monomer. Further reaction of the live, grafted polyolefin with an olefin elastomer provides the graft composition. Grafting efficiency is boosted dramatically by the presence of the olefin elastomer and use of the additional reaction step. The graft composition, when formulated into a tie-layer adhesive provides improved bonding to metal substrates. | 10-03-2013 |
20130225780 | POLYETHYLENE FILMS HAVING HIGH RESISTANCE TO DEFORMATION OR ELGONATION - Disclosed is a method for producing polyethylene films which have high resistance to deformation or elongation under loading in tension. The method comprises orienting in the machine direction (MD) a high density polyethylene film at a drawdown ratio effective to give the film an MD tensile strength at yield greater than or equal to 50,000 psi, wherein the HDPE has a density greater than 0.940 g/cm | 08-29-2013 |
20130225742 | BARRIER PROPERTIES OF SUBSTANTIALLY LINEAR HDPE FILM WITH NUCLEATING AGENTS - Disclosed is a method for improving the barrier properties of polyethylene films The method comprises mixing a substantially linear, high density polyethylene with a nucleating agent and converting the mixture into a film The film made by the method of the invention has at least a 15% improvement on the water vapor barrier property and/or in the oxygen barrier property compared with the control film made from the same substantially linear, high density polyethylene but does not contain the nucleating agent. | 08-29-2013 |
20130190531 | PROCESS FOR THE MANUFACTURE OF ACETIC ACID - The phase separation in the decanter of a process for producing acetic acid by carbonylating methanol in the presence of a catalyst under low water-high acid conditions is facilitated and expedited by forming a liquid mixture (D) which has a water content of at most 10% by weight, based on the weight of the liquid mixture, an acetic acid content of at least 10% by weight, based on the weight of the liquid mixture, and a weight ratio of methyl iodide to methyl acetate of at least 1.5:1, and partitioning the liquid mixture at a temperature of from 0 to 35° C. | 07-25-2013 |
20130172647 | PROPYLENE PRODUCTION PROCESS - Processes and systems for forming propylene are described herein. The processes generally include reacting a metathesis feed stream including at least 95 wt. % 2-butene with ethylene in the presence of a metathesis catalyst to form a metathesis product stream including propylene, and recovering propylene from the process. | 07-04-2013 |
20130085221 | SYSTEMS, METHODS AND COMPOSITIONS FOR PRODUCTION OF TIE-LAYER ADHESIVES - A tie layer adhesive composition for multilayer structures, wherein the tie layer is composed of a graft polyolefin and a hybrid polyolefin. | 04-04-2013 |
20130052471 | GRAFT COMPOSITION HAVING LONG CHAIN BRANCHED OLEFINS FOR IMPROVED LAYERS - A tie layer adhesive composition for multilayer structures made up of graft composition compounded with a base resin, such as linear low density polyethylene (LLDPE), and a polyethylene having long chain branching, such as low density polyethylene (LDPE), and optionally one or more additives. The graft composition can be made up of a blend of a grafted polyolefin and an olefin elastomer and/or the reaction product of a live, grafted polyolefin and an olefin elastomer. | 02-28-2013 |
20130052470 | MULTILAYER THERMOPLASTIC STRUCTURES WITH IMPROVED TIE LAYERS - An oriented multilayer structure for shrink applications having a polymeric layer, a tie layer adhered to said polymeric layer. The tie layer is made up of the reaction product of a live, grafted polyolefin and an olefin elastomer. The multilayer structure is oriented and the tie layer provides strong adhesion to barrier layers even at high orientation levels. | 02-28-2013 |
20120232230 | PROCESS FOR MAKING ETHYLENE HOMOPOLYMERS - A process for making an ethylene homopolymer in the presence of an oxide-supported chromium catalyst is disclosed. A small amount of an α-olefin contacted with the catalyst before polymerizing ethylene or introduced into an ethylene homopolymerization unexpectedly boosts process productivity. When used at part per million levels, the α-olefin improves productivity while maintaining desirable polymer properties. The invention is particularly valuable for making HDPE resins useful for blow molding applications. | 09-13-2012 |
20120202942 | HIGH CLARITY POLYETHYLENE FILMS - A film comprising a polymer blend of:
| 08-09-2012 |
20120202933 | CO-CONTINUOUS HETEROPHASE POLYMER COMPOSITIONS CONTAINING HIGH MELT STRENGTH POLYPROPYLENE FOR EXTRUSION COATING - A process of extruding a blend of an irradiated extrudate of a first propylene polymer and a non-irradiated second propylene polymer, where the first propylene polymer comprises a non-phenolic stabilizer. The irradiation of the first propylene polymer extrudate is conducted in a reduced oxygen environment, and the irradiated extrudate of the first propylene polymer and the non-irradiated second propylene polymer are blended at a temperature below their respective melting points. The blend has an ARPSW of ≦3.0 micron. | 08-09-2012 |
20120199279 | EXTRUSION PROCESSES USING HIGH MELT STRENGTH POLYPROPYLENE - The present invention relates to a process comprising extruding a blend of an first propylene polymer comprising a non-phenolic stabilizer and a non-irradiated second propylene polymer, wherein the irradiation of the first propylene polymer was conducted in a reduced oxygen environment, and the irradiated first propylene polymer and the non-irradiated second propylene polymer were blended at a temperature below the melting point of the first and second propylene polymers. | 08-09-2012 |
20120199278 | CONTROLLED RHEOLOGY FORMULATIONS CONTAINING HIGH MELT STRENGTH POLYPROPYLENE FOR EXTRUSION COATING - A process of extruding a blend of an irradiated first propylene polymer and a non-irradiated second propylene polymer, where the first propylene polymer comprises a non-phenolic stabilizer. The irradiation of the first propylene polymer extrudate is conducted in a reduced oxygen environment, and the irradiated first propylene polymer and the non-irradiated second propylene polymer are blended at a temperature below their respective melting points. The blend has a viscosity retention of 20 to 35%. | 08-09-2012 |
20120196138 | PROCESS FOR FORMING MULTILAYER STRUCTURES CONTAINING A METAL LAYER - A process for producing a multilayer structure comprising:
| 08-02-2012 |
20120095275 | Production of 1-Butene and Propylene From Ethylene - A process for producing propylene and 1-butene is disclosed. The process comprises dimerizing ethylene in the presence of a dimerization catalyst to produce a dimerization mixture comprising 1-butene and 2-butenes. The dimerization mixture is distilled to produce a 1-butene stream containing 1-butene and ethylene, a 2-butenes stream, and a heavy stream. The 2-butenes stream is reacted with ethylene in the presence of a metathesis catalyst to produce a metathesis mixture comprising propylene, ethylene, and 2-butenes. Propylene is separated from the metathesis mixture. | 04-19-2012 |
20110160403 | Films of polyethlene blends - A film comprising a polymer blend of
| 06-30-2011 |
20110159297 | Multilayer structures with common tie layer - Multilayer structures having layers of a styrene polymer, polyethylene, propylene polymer, and common tie layers of a styrene-butadiene-styrene triblock copolymer-containing adhesive. | 06-30-2011 |
20110129667 | Adhesive compositions - Adhesive compositions comprising a first copolymer of butene-1 and propylene; a second copolymer of ethylene and a comonomer selected from butene-1, hexene-1, and octene-1; a polyolefin grafted with an ethylenically unsaturated carboxylic acid or acid derivative; and an olefin polymer resin, and multilayer structures comprising the adhesive composition. | 06-02-2011 |
20110129666 | Butene copolymer-containing adhesive blends - Compositions suitable for use as adhesives in multi-layer structures. The compositions comprise a blend of an ethylene copolymer of butene and a propylene-based polymer; a polyolefin grafted with an ethylenically unsaturated carboxylic acid or acid derivative; and an olefin polymer resin different than the ethylene copolymer of butene, the propylene-based polymer and the grafted polyolefin. | 06-02-2011 |
20110027583 | Adhesive compositions - Adhesive compositions suitable for use as tie-layer adhesives in multi-layer films and sheets are provided. The adhesive compositions contain an olefin polymer base resin, a modified polyolefin and a paraffinic liquid hydrocarbon. | 02-03-2011 |
20110015323 | Polyethylene compositions comprising a polar phenolic antioxidant and reduced dissipation factor, and methods thereof - A polyethylene composition comprising about 0.0001% to less than 0.22% by weight of a polar phenolic antioxidant, the polar phenolic antioxidant comprising a polar phenolic moiety and a non-polar C | 01-20-2011 |