|| List of recent Olefin-related patents
| Crimped conjugated fiber and non-woven fabric comprising the fiber|
It is an object of the present invention to obtain crimped conjugated fibers having excellent crimp properties. The present invention provides a crimped conjugated fiber having a crimpable cross-sectional configuration, wherein a cross section of the fiber includes at least two portions: a portion (a) and a portion (b); the portion (a) includes an olefin polymer (a) and the portion (b) includes an olefin polymer (b); the olefin polymer (a) differs from the olefin polymer (b) in at least any one of mz/mw, melting point and mfr; and a specific fatty acid amide is added to the olefin polymer (a) and/or the olefin polymer (b).
| Catalyst for metathesis of ethylene and 2-butene and/or double bond isomerization|
A process for the double-bond isomerization of olefins is disclosed. The process may include contacting a fluid stream comprising olefins with a fixed bed comprising an activated basic metal oxide isomerization catalyst to convert at least a portion of the olefin to its isomer.
| Olefin hydration process using oscillatory baffled reactor|
A butanol production system and method of producing refined mixed butanols from water and mixed butenes. The system includes an internal baffle single pass reactor, a separation system and an exterior motion driver.
| Plants and processes for forming polymers|
The present invention relates to a process of forming a polymer, the process comprising polymerizing olefin monomers to form a reaction mixture, treating the reaction mixture to form a first polymer-rich phase, treating the first polymer-rich phase to form a second polymer-rich phase, and devolatilizing the second polymer-rich phase, the process further comprising at least one step of adjusting the temperature of a first and/or the second polymer-rich phase before the devolatilization. The present invention also relates to a plant that is useful for the process provided above..
| High activity, low molecular weight olefin polymerization process|
Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene copolymer products having high isotacticity and low molecular weight, are disclosed.. .
| Multiple catalyst system for olefin polymerization and polymers produced therefrom|
This invention relates to an adhesive comprising an olefin polymer composition comprising a first amorphous polymer having a crystallinity of 5% or less, prepared with a first catalyst; and a second crystalline polymer, differing in chemical and physical properties from the first polymer, having a crystallinity of 20% or more, prepared with a second catalyst; and where the olefin polymer composition has a dot t-peel of 1 newton or more on kraft paper; an mw of at least 7,000 to 80,000; a branching index (g′) of from 0.4 to 0.90 measured at the mz of the polymer composition; and a crystallinity of between 5 and 40%.. .
| Translucent fragrance composition|
The present invention provides an alcohol-based stable and translucent fragrance composition containing a large amount of perfume. The fragrance composition of the present invention is a composition in which the total amount of (a) silicone oil and (b) α-olefin oligomer that is a hydrogenated trimer, tetramer, pentamer, and/or hexamer of α-olefin having 4 to 12 carbon atoms is 2 to 12% by mass in the composition, and the mass ratio of (b)/(a) is 0.1 to 0.7; the amount of (c) polyether-modified silicone with respect to (b) α-olefin oligomer is 2 to 10 times in mass; the amount of (d) perfume is 3 to 30% by mass in the composition; the amount of (e) lower alcohol having 1 to 4 carbon atoms is 50% by mass or more in the composition; the amount of (f) water is 3.5 to 15% by mass in the composition; and the l value of the composition is 70 to 95 provided the l value is a percentage (%) of strength of a transmitted light compared with a strength of an incident light..
| Metallocene compound, catalyst composition comprising the same, and an olefinic polymer produced using the same|
The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerisation properties, and can produce olefinic polymers of high molecular weight.
| Polyolefin-pfcb ionomer|
R2 is c1-25 alkyl, c1-25 aryl or c1-25 arylene; and r3 is c1-25 alkylene, c1-25 perfluoroalkylene, perfluoroalkyl ether, alkylether, or c1-25 arylene.. .
| Bio-renewable sequential vinyl polymer|
An aqueous polymer dispersion comprising a vinyl polymer with at least two phases comprising: a) 40 to 90 wt % of a vinyl polymer a having a glass transition temperature in the range of from −50 to 30° c.; and b) 10 to 60 wt % of a vinyl polymer b having a glass transition temperature the range of from 50 to 130° c.; wherein vinyl polymer a comprises 0.1 to 10 wt % of at least one acid-functional olefinically unsaturated monomer, wherein at least 20 wt % of the monomer composition used to form vinyl polymer a and vinyl polymer b is derived from at least one bio-renewable olefinically unsaturated monomer.. .
| Biaxially oriented bio-based polyolefin film that has been extrusion coated with bio-based sealant for lidding applications|
A lidding film including a polyester film including a bio-based polyester, and an extrusion coated heat seal layer including a bio-based polymer. The polyester film may include a biaxially oriented core layer including bio-based polyester and an amorphous copolyester skin layer.
| Biaxially oriented bio-based polyolefin film that has been extrusion coated with bio-based sealant for lidding applications|
A lidding film including a polyester film including a bio-based polyester, and an extrusion coated heat seal layer including a bio-based polymer. The polyester film may include a biaxially oriented core layer including bio-based polyester and an amorphous copolyester skin layer.
| Catalyst for producing an olefin from an alcohol, method for producing olefin, polyolefin, and olefin oxide|
Disclosed are a catalyst for producing, from an alcohol, an olefin whose number of carbon atoms is at least one more than the number of carbon atoms of the alcohol, wherein at least the surface of the catalyst is substantially composed of zirconium oxide; a method for producing an olefin using the same; and so on.. .
| Inflatable radome|
The invention relates to an inflatable radome containing a flexible radome wall, said radome wall comprising high strength polymeric fibers and further containing a plastomer wherein said plastomer is a semi-crystalline copolymer of ethylene or propylene and one or more c2 to c12 a-olefin co-monomers and wherein said plastomer having a density as measured according to is01183 of between 860 and 930 kg/m3.. .
| Solar cell protective sheet, producing method of same, and solar cell module|
A solar cell protective sheet has a substrate and a thermoplastic resin layer laminated on at least one surface of the substrate. The thermoplastic resin layer includes: a first layer laminated on the substrate and containing as a main component a copolymer of ethylene and at least one selected from the group consisting of (meth)acrylic acid, (meth)acrylic acid ester, glycidyl(meth)acrylate, vinyl acetate and maleic acid anhydride; a second layer laminated on the first layer and containing an olefin-based resin as a main component; and a third layer laminated on the second layer and containing as a main component a copolymer of ethylene and at least one selected from the group consisting of (meth)acrylic acid, (meth)acrylic acid ester, glycidyl(meth)acrylate, vinyl acetate and maleic acid anhydride.
| Medium pressure steam intervention in an olefin cracking furnace decoke procedure|
Described herein is a method for removing coke deposits in radiant tubes of an olefin cracking furnace and removing accumulated spalled coke from one or more outlet elbows of the olefin cracking furnace without performing a cold shutdown of the furnace.. .
|Process for manufacture of a zeolite based catalyst for the conversion of methanol to olefins|
The present invention relates to a process for preparing phosphorus containing zeolite type catalysts based on crystalline aluminosilicates, the catalysts of this process and the use of these catalysts for the conversion of methanol to olefins.. .
|Modified catalyst for converting oxygenates to olefins|
The present invention relates to a new process for producing zeolite-containing catalysts, in which a modification with phosphorus-containing components is carried out, the catalyst obtainable thereby, and its use as catalyst in a process for producing lower olefins from oxygenates. The modification comprises removing weakly bound phosphorus-containing species by treatment with an aqueous solution..
|High efficiency processes for olefins, alkynes, and hydrogen co-production from light hydrocarbons such as methane|
High efficiency processes for producing olefins, alkynes, and hydrogen co-production from light hydrocarbons are disclosed. In one version, the method includes the steps of combusting hydrogen and oxygen in a combustion zone of a pyrolytic reactor to create a combustion gas stream, transitioning a velocity of the combustion gas stream from subsonic to supersonic in an expansion zone of the pyrolytic reactor, injecting a light hydrocarbon into the supersonic combustion gas stream to create a mixed stream including the light hydrocarbon, transitioning the velocity of the mixed stream from supersonic to subsonic in a reaction zone of the pyrolytic reactor to produce acetylene, and catalytically hydrogenating the acetylene in a hydrogenation zone to produce ethylene.
|Production of olefins from a methane conversion process|
Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes the further conversion of the acetylene to a hydrocarbon stream having olefins.
|Heterocyclic organic compounds as electron donors for polyolefin catalysts|
Heterocyclic organic compounds are used as electron donors in conjunction with solid ziegler-natta type catalyst in processes in which polyolefins such as polypropylene are produced. The electron donors may be used in the preparation of solid catalyst system, thus serving as “internal electron donors”, or they may be employed during or prior to polymerization with the co-catalyst as “external electron donors”..
|High throughput reactor assembly for polymerization of olefins|
Reactor assembly for the production of polymers including a fluidized bed reactor (1) comprising a bottom zone (5), a middle zone (6) and an upper zone (7), an inlet (8) for the fluidization gas located in the bottom zone (5), an outlet (9) for the fluidization gas located in the upper zone (7); the outlet (9) for the fluidization gas being coupled with the fluidized bed reactor (1) via inlet (8) via a gas circulation line; means for separation of solids from gas (2) being connected to said gas circulation line; the equivalent cross-sectional diameter of the upper zone (7) being monotonically decreasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the middle zone (6) having an essentially constant equivalent cross-sectional diameter with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the equivalent cross-sectional diameter of the bottom zone (5) being monotonically increasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; characterized in that the ratio of the height of the fluidized bed reactor to the equivalent cross-sectional diameter of the middle zone of the fluidized bed reactor is from 2 to 10; and whereby said upper zone (7) is directly connected to said middle zone (6).. .
|Activity monitoring and polymerization process control|
The present invention relates to a method to control a liquid feed stream carried out by measuring at least one spectrum of the liquid feed stream comprising an initiator or catalyst, determining its activity using a predictive model on the basis of said spectrum and adjusting the feed streams and/or the preparation conditions of the feed stream comprising the initiators or catalysts in order to attain or maintain a desired level of total activity. In a further aspect the invention relates to a controlled process for the preparation of polymers in a polymerization reactor by contacting liquid feed streams comprising monomers and initiators or catalysts, whereby the control of the feed streams entering the polymerization reactor and/or the initiator or catalyst preparation is carried out by measuring at least one spectrum of the liquid feed stream comprising an initiator or catalyst, determining its activity using a predictive model on the basis of said spectrum and adjusting the feed streams and/or the preparation conditions of the feed stream comprising the initiators or catalysts in order to attain or maintain a desired level of total activity within the polymerization reactor.
The present invention is concerned with a resin composition containing an olefin-based resin and a copolymer of a conjugated diene compound and a non-conjugated olefin. In view of the fact that the copolymer is a block copolymer, the impact resistance and low temperature properties can be enhanced..
|Aqueous bio-renewable vinyl polymer composition|
An aqueous polymer coating composition comprising at least: a vinyl polymer a having a wt average molecular wt mw within the range of from 1,000 to 150,000 g/mol and an acid value >5 mgkoh/g; and a vinyl polymer b having a molecular wt mw of at least 80,000 g/mol and an acid value <35 mgkoh/g; wherein i) the wt % of olefinically unsaturated monomers used to form polymer a and polymer b are in the ratio of 5:70 to 95:30 and add up to 100%; ii) at least 20 wt % of at least one of polymer a and or polymer b is derived from at least one bio-renewable olefmically unsaturated monomer.. .
A method of making an ocular lens device (and resulting lens device) from a polyolefin copolymer material having a crosslinking component, wherein the material is processed to remove unwanted reaction byproducts that can contribute to reduced transparency of the polyolefin copolymer material in the ocular environment of the eye.. .
|Compositions of hydrochlorofluoroolefins|
The present invention relates to solvent/cleaner and heat transfer fluid compositions comprising at least one hydrochlorofluoroolefin (hcfo), 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd), particularly the trans-isomer. The hcfo of the present invention can be used in combination with co-agents including, hydrofluorocarbons (hfcs), hydrofluomolefins (hfos), hydrocarbons, ethers including hydrofluoroethers (hfes), esters, ketones, alcohols, 1,2-transdichloroethylene and mixtures thereof..
|Catalyst systems containing a bridged metallocene|
The present invention provides polymerization processes utilizing a catalyst system containing an ansa-metallocene and a second metallocene compound for the production of olefin polymers.. .
|Surface material and multilayer body using same|
A surface material includes, in a matrix composed of an olefin-based polymer, a domain composed of a cross-linked ethylene vinyl acetate copolymer or a non-cross-linked ethylene vinyl acetate copolymer, and a silicone compound.. .
|Process for producing a laminated porous film|
A process for manufacturing a laminated porous film comprising layering a covering layer on at least one surface of a polyolefin-based resin porous film, wherein film tension (ta) in a drying step is controlled at 40 n/m or less.. .
|Pressure-sensitive adhesive tape and method using the tape|
A pressure-sensitive adhesive tape that can be used in a temperature environment of at least 90° c. Or higher, includes: a pressure-sensitive adhesive layer; and a release liner provided on the surface on at least one side of the pressure-sensitive adhesive layer.
|Process for methanol coupled catalytic cracking reaction of naphtha using a modified zsm-5 molecular sieve catalyst|
The present invention provides a process for methanol coupled catalytic cracking reaction of naphtha using a modified zsm-5 molecular sieve catalyst, comprising performing a co-feeding reaction of methanol and naphtha on the modified zsm-5 molecular sieve catalyst to produce low carbon olefins and/or aromatic hydrocarbons. In the process, the modified zsm-5 molecular sieve catalyst comprises, in term of weight percent, 25-80 wt % of a zsm-5 molecular sieve, 15-70 wt % of a binder, and 2.2-6.0 wt % of lanthanum and 1.0-2.8 wt % of phosphorus loaded on the zsm-5 molecular sieve.
|Renewable jet fuel blendstock from isobutanol|
The present invention in its various embodiments is directed to methods for preparing a renewable jet fuel blendstock, and blendstocks prepared by such methods, comprising fermenting a biomass-derived feedstock to form one or more c2—c6 alcohols such as isobutanol, catalytically dehydrate and oligomerize the alcohols to form higher molecular weight olefins (e.g., c8—c16 olefins), hydrogenating at least a portion of the higher molecular weight olefins to form a renewable jet fuel blendstock comprising c12 and c16 alkanes which meet or exceed the requirements of astm d7566-10a for hydroprocessed synthesized paraffinic kerosene (spk).. .
|Apparatus for producing alcohols from olefins|
The present invention relates to an apparatus for producing alcohols from olefins, comprising: a hydroformylation reactor wherein aldehydes are produced from olefins; a catalyst/aldehydes separator; a hydrogenation reactor wherein the aldehydes are hydrogenated to produce alcohols; and a distillation column. The hydroformylation reactor is equipped with a distributor plate, which has a broad contact surface for providing sufficient reaction area for reactants such as olefins and synthesis gas, and allows the reaction mixture to circulate and mix sufficiently, which contribute to excellent efficiency in terms of production of aldehydes.
|Isomerization of olefinic compounds|
The present invention relates to a process for preparing an olefinically unsaturated phosphonium salt having at least two olefinic double bonds, of which one double bond has a z or cis conformation and the second or a further double bond an e conformation, from an olefinically unsaturated phosphonium salt having at least two olefinic double bonds of different configuration compared to the target compound, and both especially have an all-e or all-trans conformation. In addition, the invention provides for the use of the compound obtained by the process for provision of terpenoid substances as medicaments..
|Metal complexes with n-aminoamidinate ligands|
The complexes of the invention find use as precursors for the preparation of functional layers by means of gas-phase thin-film processes such as cvd, mo-cvd and ald. Additionally they may be used as catalysts for olefin hydroamination and for olefin polymerization..
|High metathesis activity ruthenium and osmium metal carbene complexes|
Where m is os or ru; r1 is hydrogen; r is selected from the group consisting of hydrogen, substituted or unsubstituted alkyl, and substituted or unsubstituted aryl; x and x1 are independently selected from any anionic ligand; and l and l1 are independently selected from any neutral electron donor. The ruthenium and osmium carbene compounds of the present invention may be synthesized using diazo compounds, by neutral electron donor ligand exchange, by cross metathesis, using acetylene, using cumulated olefins, and in a one-pot method using diazo compounds and neutral electron donors.
|Phosphonium ionomers comprising pendant vinyl groups and processes for preparing same|
The present invention relates to ionomers comprising a reaction product of the reaction between a halogenated isoolefin copolymer and at least one phosphorus based nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers..
|Highly branched compositions and processes for the production thereof|
A highly branched polyolefin having olefin derived units; wherein the highly branched polyolefin has: (i) a branching index, g′(vis), of less than about 0.9; (ii) a phase angle, δ, of less than about 55 degrees at a complex modulus of 10 kpa, measured at 190° c.; (iii) a gel content of less than or equal to about 10%; and (iv) a melting point of less than about 135° c.; wherein the highly branched polyolefin is obtained by contacting one or more polyolefins with a free radical generator. The highly branched polyolefin may also comprise a modifying polymer, wherein the modifying polymer may be the similar or dissimilar to the polyolefin.
|Cationic water based polymers for inkjet inks|
The present invention provides a durable, external surfactant free, cationic, water based jet ink polymer which when formulated into an ink jet ink results in a printing that has an excellent adhesion to metal or plastic substrates. Such a jet ink polymer is suitable performance replacement of solvent soluble polymers currently in commercial use.
|Improved stability of polyurethane polyol blends containing halogenated olefin blowing agents|
A polyol pre-mix composition includes a blowing agent having a halogenated hydroolefin, a polyol, a surfactant, a catalyst composition, and a metal salt. The metal salt may be, for example, a carboxylate, acetylacetonate, alcoholate of a metal selected from the group consisting of zn, co, ca, and mg.
|Functionalized copolymers and lubricating compositions thereof|
The present invention relates to a lubricating composition containing an oil of lubricating viscosity and a dimercaptothiadiazole salt of a copolymer comprising units derived from monomers (i) an ?-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof (typically carboxylic acid groups or an anhydride), are partially esterified with an alcohol, or mixtures thereof, and wherein at least a portion of carboxylic acid groups not esterified are reacted with an amine. The invention further provides for a lubricating composition containing said copolymer.
|Fiber, nonwoven fabric and uses thereof|
An object of the invention is to develop fibers which include an olefin polymer and are suitable to form a nonwoven fabric, and to develop such nonwoven fabrics. The invention provides a fiber including an olefin polymer composition including 100 parts by weight of an olefin polymer and 0.1 to 30 parts by weight of an acid-form anionic surfactant, the acid-form anionic surfactant having been melt kneaded in the fiber..
|Mat for a hybrid turf|
A mat for a hybrid sport or decorative turf, having a form of a woven fabric, with a single-sided cover pile made of olefin synthetic yarns such as polyethylene and/or polypropylene and/or polyester, according to a ⅜w or 5/12w or 7/16w weave structure, comprising pile burls interlaced with weft, wherein the ends of the burls form synthetic grass blades. The mat has from 5000 to 20000 pile burls per m2, a warp density from 54 to 72 ends/10 cm, a weft density from 30 to 80 ends/10 cm and a pile height from 20 to 140 mm, wherein each pile burl (3) is interlaced at least two times over three weft fibres (5), and wherein the total surface mass of the mat is from 753 to 2105 g/m2..
|Nucleic acid binding compounds, methods of making, and use thereof|
The present invention relates to oligomer compounds, including dimers and trimers, formed by a disulfide, sulfinyl thio, olefin or hydrocarbon bond, or a hydrazone exchange bond between two or more monomers. Methods of making the monomers and the oligomers is also disclosed.
|Flash line for improving the devolatilization of polymer slurry produced in a polymerization reactor|
The present invention relates to a process for improving the devolatilization of polymer slurry produced in an olefin polymerization reactor. The process is characterized in that it involves an adjustment of the temperature of the interior surface of the flash line for periodically transferring polymer slurry from the polymerization reactor to a downstream processing unit.
|Solar cell backsheet with improved adhesion to encapsulant|
Disclosed herein is a heat pressed multi-layer fluoropolymer film or sheet having improved bonding strength to a polyolefin film or sheet and methods for preparing the same, and which methods comprise the steps of (i) providing a multi-layer fluoropolymer film or sheet comprising an oriented fluoropolymer film or sheet layer and an oriented polyester film or sheet layer that is laminated to the oriented fluoropolymer film or sheet layer, wherein the oriented fluoropolymer film or sheet layer is positioned to provide one of the two outer surface layers of the multi-layer fluoropolymer film or sheet, and wherein the oriented fluoropolymer film or sheet layer consists essentially of a fluoropolymer and the oriented polyester film or sheet layer consists essentially of a polyester: and (ii) heat pressing the multi-layer fluoropolymer film or sheet by a heat press means, wherein the heat press means is set at such conditions that the multi-layer fluoropolymer film or sheet receives a pressure of about 0.01-50 kgf/cm2 and a heat of about 150° c.-260° c. Further disclosed herein solar cell modules comprising backsheets formed of the heat pressed multi-layer fluoropolymer films or sheets..
|Isomerization of light alpha-olefins to light internal olefins|
The present invention relates to a process for isomerizing linear alpha-olefins having from 4 to 8 carbon atoms over a heterogeneous catalyst, wherein the catalyst comprises a hydrogenation metal and a selectivity promoter selected from among selenium and tellurium on a support, and also a process for preparing 1-olefins by a metathesis reaction of 2-olefins with ethene, wherein the 2-olefins are prepared by the above mentioned isomerization process.. .
|Method for controlling 2-phenyl isomer content of linear alkylbenzene and catalyst used in the method|
A method for controlling 2-isomer content in linear alkylbenzene obtained by alkylating benzene with olefins and catalyst used in the method.. .
|Process for the production of hydrocarbons for fuels, solvents, and other hydrocarbon products|
Catalytic processes for converting carboxylic acids obtained from biomass and other natural or industrial sources into paraffinic or olefinic hydrocarbons through decarboxylation, along with products formed from such hydrocarbons, in which the carbon chain length, the ratio of carbon-14 to carbon-12, and the ratio of odd number to even number of carbons in the chain are among factors which are indicative or otherwise useful for the detection of hydrocarbons formed by undergoing the claimed processes.. .
|Catalyst components for the polymerization of olefins|
A porous solid catalyst component comprising a magnesium halide, a titanium compound having at least a ti-halogen bond and at least two electron donor compounds one of which being selected from 1,3-diethers and the other being selected from succinates, characterized by the fact that the molar ratio id/ti is from 0.30 to 0.90, where id is the total molar amount of succinate and 1,3-diether, the molar ratio of the 1,3-diether donor to the succinate donor is higher than, or equal to, 0.60.. .
|Polyolefin compositions and articles manufactured therefrom|
The present invention is a polyolefin composition, which comprises a thermoplastic olefin polymer and a polyethylene. The thermoplastic olefin polymer (tpo) comprises a polypropylene and an olefin copolymer and is present in an amount of about 10 weight percent to about 50 weight percent; the tpo has a density in the range of about 0.85 g/cm3 to about 0.92 g/cm3 and a flexural modulus of less than about 700 mpa as measured by iso 178.
|Olefin metathesis for effective polymer healing via dynamic exchange of strong carbon-carbon bonds|
A method of preparing a malleable and/or self-healing polymeric or composite material is provided. The method includes providing a polymeric or composite material comprising at least one alkene-containing polymer, combining the polymer with at least one homogeneous or heterogeneous transition metal olefin metathesis catalyst to form a polymeric or composite material, and performing an olefin metathesis reaction on the polymer so as to form reversible carbon-carbon double bonds in the polymer.
|Thermoplastic polyolefins with high flowability and excellent surface quality produced by a multistage process|
Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (a) 40-90 wt % of a propylene homo- or copolymer matrix with an mfr in accordance with iso 1 133 (230° c., 2.16 kg load) of ≧200 g/10 min and (b) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity iv (according to iso 1628 with decalin as solvent) of ≦2.8 dl/g and an ethylene content of >50 to 80 wt % and (c) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity iv (according to iso 1628 with decalin as solvent) of 3.0-6.5 dl/g and an propylene content of 50 to 80 wt %, the reactor grade thermoplastic polyolefins being obtainable by a multistage polymerization process with at least 3 polymerization steps in the presence of a catalyst system comprising (i) a ziegler-natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) an organometallic cocatalyst and (iii) external donor represented by formula (i) si(och2ch3)3(nr1r2) wherein r1 and r2 can be the same or different a represent a hydro-carbon group having 1 to 12 carbon atoms, as well as the use of these reactor grade thermoplastic polyolefins and molded articles produced from them.. .
|Olefin-based ionomer resin composition|
The present application relates to an olefin-based ionomer resin composition, to an encapsulant, and to an optoelectronic device. The resin composition according to the present application may be used as an encapsulant for a variety of optoelectronic devices, and may exhibit superior adhesion to the substrates of the optoelectronic devices.
|Novel polymer composition for use in blow moulding|
A novel polymer composition is described comprising ethylene homopolymers and/or copolymers of ethylene with c3-c8-alpha-olefins which polymer composition has a density of from 0.940 to 0.949 g/cm3, a melt index (hlmi) according to din en iso 1133:2005, condition g at 190° c. And 21.6 kg, of from 3 to 7 g/10 min.
Solid phosphite compositions comprising tris(4-t-alkylphenyl)phosphites and selected hydroxyalkyl amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., “gas fading”.. .
|Poly(phenylene ether) composition and injection molded article thereof|
A composition having a combination of high heat resistance, high impact strength, and high flame retardance includes specific amounts of poly(phenylene ether), hydrogenated block copolymer, and organophosphate flame retardant. The composition has minimal amounts or excludes certain styrenic polymers, polyolefins, and reinforcing fillers.
|Method of manufacturing olefin having 2 to 4 carbon atoms by fischer-tropsch reaction|
Provided are a method of manufacturing an olefin having 2 to 4 carbon atoms including: reacting a catalyst with synthesis gas through a fischer-tropsch reaction, thereby obtaining the olefin having 2 to 4 carbon atoms, in which the catalyst is a catalyst obtained by reducing the iron ion and the cobalt ion in a dispersion liquid or a solution containing the iron ion, the cobalt ion and a dispersant that interacts with the iron ion and the cobalt ion, and a method of manufacturing propylene, which uses the above manufacturing method.. .
|Kit of ophthalmic composition|
An ophthalmic composition kit comprising an ophthalmic container holding an ophthalmic composition comprising geranylgeranylacetone, the ophthalmic container having a surface in contact with the ophthalmic composition, the surface being at least partially or wholly made of a container material selected from the group consisting of a polyolefin, an acrylic acid resin, a terephthalic acid ester, a polycarbonate, a polymethylterpene, a fluorine resin and a glass, the ophthalmic composition kit having an advantage that the loss of the geranylgeranylacetone content or decrease in the geranylgeranylacetone concentration in the ophthalmic composition is very little.. .
|Crosslinked product of cyclic olefinic polymer and process for producing the same|
A chain olefin-cyclic olefin copolymer is irradiated with an electron beam for crosslinking to prepare a crosslinked product of a cyclic olefinic polymer. The cyclic olefin contains a bicyclic olefin.
|Polyphenylene ether resin composition, and a prepreg and a copper clad laminate made therefrom|
The present invention relates to a polyphenylene ether resin composition, and a prepreg and a copper dad laminate made therefrom. The polyphenylene ether resin composition comprises: (a) functionalized polyphenylene ether resin, (b) crosslinking agent, and (c) initiator; the component (a) functionalized polyphenylene ether resin is polyphenylene ether resin that has a number average molecular weight of 500-5000 and unsaturated double bonds at the molecule terminal; the component (b) crosslinking agent is olefin resin with a number average molecular weight of 500-10000, of which styrene structure comprises 10-50 wt %, and of which the molecule comprises 1,2-addition butadiene structure.
|Double-sided slip-resistant material and method of making same|
A double-sided, slip resistant material is produced using a blown film process which produces a film having an interior heat sealable layer, a core layer of flexible polyolefin and an exterior polyolefin elastomer layer in combination with a blowing agent and optionally grit to produce a double-sided slip resistant material. A number of rollers may be provided after nip rollers have fused the film together, and which form part of a machine direction orienter (mdo) that may be used in line in the manufacturing process to heat, and then cool and condition (anneal and relieve any stresses and/or thickness inconsistencies in the film) prior to the film being wound onto a roll for storage..
|Cross-linkable polyolefin composition for formed textured skin applications|
A fuel reforming system, process, and device including a catalytic chamber and a heating chamber. The catalytic chamber, further including a fluid fuel intake and a gaseous fluid exit port and at least one heat exchanger for distributing heat between the heating chamber and the catalytic chamber.
A plastic ampule of the present invention is composed of a single layer of a plastic layer consisting only of a cyclic polyolefin with a glass transition temperature of 50° c. To 104° c.; integrally includes an ampule body formed in a bottle shape with a top part and a bottom part and having a bung for discharging a drug solution on the top part, a cap attached to the ampule body so as to seal the bung, and a thinner part having a layer thickness thinner than those of the ampule body and the cap, formed along a circumferential direction of the bung and connecting between the ampule body and the cap; and is opened by breaking off or twisting off the thinner part as a cutting part between the ampule body and the cap..
|Drag reducing compositions and methods of manufacture and use|
A drag reducing composition and method of use wherein the drag reducing composition comprises a polyolefin, drag reducing polymer, a carrier or suspending medium, and a polycarboxylate dispersion agent.. .
|Halogenated catalysts comprising salan ligands|
Catalysts comprising a halogenated salan ligand. Also disclosed are catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes..
|Vinyl terminated polyethylene with long chain branching|
Vinyl terminated polyolefins with long chain branching produced with salan catalysts having carbazole moieties.. .
|Nonsymmetric catalysts comprising salan ligands|
Catalysts comprising a non-symmetrical salan ligand with a carbazole moiety. Also disclosed are catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes..
|Catalysts comprising salan ligands|
Catalysts comprising salan ligands with carbazole moieties. Also, catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes..
|Polyalphaolefins prepared using modified salan catalyst compounds|
Disclosed herein are polyalphaolefins and salan cataylsts, catalyst systems, and processes to produce the polyalphaolefins.. .
|Solvent-free enyne metathesis polymerization|
The disclosure describes methods of metathesizing unsaturated organic compounds, each method comprising contacting at least one feedstock comprising at least one olefinic or acetylenic precursor with a solid transition metal-based metathesis catalyst in the absence of a liquid solvent or precursor to form a polymer product.. .
|Polyether ether ketone composite material|
A polyether ether ketone composite material of the present invention includes peek and polyolefin, in which the composite material has a single endothermic peak in a dsc. The peek and the polyolefin are preferably to have compatibility with each other, and the composite material may have a matrix part formed from the peek and a first dispersed part formed from the polyolefin having a particle size of 1 μm or smaller.
|Sealing material of polypropylene with high melting temperature|
Polypropylene composition comprising propylene homopolymer (h-pp) and a propylene copolymer (c-pp), said copolmyer comprises (a) a propylene copolymer fraction (a) having a comonomer content of equal or above 1.0 wt.-%, the comomers are c5 to c12 α-olefins, and (b) a propylene copolymer action (b) having a comonomer content of 4.0 to 20.0 wt-%, the comomers are c5 to c12 α-olefins, wherein further (i) the comonomer content in propylene copolymer fraction (a) is lower compared to the comonomer content in the propylene copolymer fraction (b), (ii) the propylene copolymer (c-pp) has a comonomer content of at least 2.0 wt.-%, the comomers are c5 to c12 α-olefins, (iii) the weight ratio [(a)/(b)] of the propylene copolymer fraction (a) to the propylene copolymer fraction (b) is in the range of 20/80 to 80/20, and (iv) the weight ratio [(c-pp)/(h-pp)] of the propylene copolymer (c-pp) to the propylene homopolymer (h-pp) is in the range of 95/5 to 75/25.. .
|Polymer food packaging|
A polyolefin composition comprising a predetermined amount of an ethylene inhibitor for binding 1-aminocyclopropane-1-carboxylic-acid (acc) to reduce an amount of acc available for an ethylene biosynthetic pathway.. .
|Method for producing flame-retardant thermoplastic elastomer composition|
A method is provided for producing a flame retardant thermoplastic elastomer composition, wherein the method includes (1) a step of preparing a thermoplastic elastomer composition by dynamically vulcanizing a thermoplastic elastomer composition precursor containing (a) an ethylene-α-olefin-based copolymer rubber, (b) a propylene-based polymer and (c) a mineral oil-based softening agent in the presence of (d) a crosslinking agent, and (2) a step of kneading the thermoplastic elastomer composition, (e) a halogen-free flame retardant, (f) a zinc oxide, and optionally (g) a polyhydric compound.. .
|Degradable thiol-ene polymers|
A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties.