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8178636 |
Process for the preparation of atactic 1-butene polymers
A process for obtaining atactic 1-butene polymer optionally containing at least one comonomer selected from ethylene, propylene or an alpha-olefin of formula CH2═CHRo, wherein Ro is a linear or b...
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8163858 |
Copolymers for barriers
A polyvinylidene difluoride copolymer with a fluoroolefin selected from 2,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2-chloro-pentafluoropropene, hexafluoropropylene,...
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8163856 |
Method and system to add high shear to improve an ionic liquid catalyzed chemical reaction
In an embodiment, a method is disclosed to increase the activity of an ionic liquid catalyst comprising emulsifying the ionic liquid catalyst with one or more liquid components. In an embodiment, a...
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8143468 |
Process for preparing 3-methylbut-1-ene
The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of...
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8138293 |
Process for preparing polymers from 3-methylbut-1-ene
The present invention relates to a copolymer which contains 3-methylbut-1-ene as a comonomer and which contains ethene or propene as a further monomer, the proportion of the incorporated...
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8127372 |
Polyisoprene aqueous emulsion and a method to fabricate gloves and related products
This invention relates to the method for fabrication of polyisoprene aqueous emulsion, gloves and related products thereof, wherein the aqueous emulsion is polyisoprene or polynitrile aqueous...
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8124709 |
Ethylene/α-olefin block interpolymers
Embodiments of the invention provide a class of mesophase separated ethylene/α-olefin block interpolymers with controlled block sequences. The ethylene/α-olefin interpolymers are characterized by a...
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8119237 |
Fibers made from copolymers of ethylene/α-olefins
A fiber is obtainable from or comprises a blend of a propylene based polymer and an ethylene/α-olefin interpolymer characterized by an elastic recovery, Re, in percent at 300 percent strain and 1 ...
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8101695 |
Propylene based terpolymers
A propylene-based terpolymer comprising: a) from 10.0% by mol to 79.0% by mol of propylene derived units;b) from 89.5% by mol to 20.5% by mol of 1-butene derived units; andc) from 0.5% by mol to...
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8101674 |
Rubber compound and molded article
A pharmaceutical/medical rubber compound contains the following components: (A) a composition obtainable by crosslinking (a) 100 parts by weight of an isobutylene polymer having terminal alkenyl...
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8101684 |
Thermoplastic resin composition for sealing solar cell, sheet for sealing solar cell and solar cell
A material which is excellent in mechanical strength, solar cell sealing properties, transparency, etc., even in an uncrosslinked state and is used in producing a sheet for solar cell sealing. The...
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8097682 |
1-butene propylene copolymer compositions
A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable,...
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8097681 |
1-butene propylene copolymer compositions
A 1-butene/propylene copolymer composition having a content of propylene derived units from 1 to 4% by weight, wherein at least 50% of the crystalline polymer is present in the thermodynamically...
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8092821 |
Medical devices having polymeric regions with improved adhesion
According to an aspect of the present invention, implantable or insertable medical devices are provided, which contain at least one polymeric region in contact with a metallic region. The polymeric...
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8067319 |
Fibers made from copolymers of ethylene/α-olefins
A fiber is obtainable from or comprises an ethylene/α-olefin interpolymer characterized by an elastic recovery, Re, in percent at 300 percent strain and 1 cycle and a density, d, in grams/cubic ...
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8067518 |
Polymers made with metallocene catalysts, for use in rotomolding and injection molding products
Ethylene alpha-olefin copolymers formed by contacting at least one supported metallocene catalyst, ethylene, and an alpha-olefin in a gas phase reactor are disclosed. In some embodiments, the...
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8058379 |
4-methyl-1-pentene polymer, process for producing the same and use thereof
The present invention provides a 4-methyl-1-pentene polymer having excellent balance between heat resistance and rigidity, a process for producing the polymer, and a film and a LED mold formed from...
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8044160 |
Polyethylene composition for injection molded caps and closure articles
The present invention relates to a multimodal polyethylene composition wherein (i) the composition has an MFR2 of 0.1 to 100 g/10 min, (ii) the shear thinning index SHI(1,100) and the log MFR2 of...
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8039555 |
Thermoplastic resin composition and floor tile made of the same
The invention provides a thermoplastic resin composition including a thermoplastic resin component (I) in an amount of 100 parts by mass, and a filler (II) in an amount of 1 to 900 parts by mass,...
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8039569 |
Polyethylene molding compositions for injection molding applications
Monomodal molding compositions based on polymers of ethylene, wherein the density of the molding compositions is in the range from 0.940 to 0.96 g/cm3, the Mi is in the range from 0.5 to 10.0 g/10...
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8030421 |
Process for the polymerization of 1-butene
A process for polymerizing 1-butene comprising the step of contacting under polymerization conditions 1-butene and optionally from 0 to 20% by mol of an alpha olefin with a catalyst system...
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8030424 |
Cyclobutene polymers and methods of making the same
Described is a cyclobutene polymer comprising: monomeric units of cyclobutene, said cyclobutene having at least one fused ring system substituted thereon, said polymer comprising not more than 10...
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8008417 |
Polymeric material and its manufacture and use
Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties,...
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8008403 |
Polyethylene and catalyst composition for its preparation
A polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with 1-alkenes and has a molar mass distribution width Mw/Mn of from 5 to 30, a density of from 0.92 to 0.955...
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8003743 |
Metallocene compounds, ligands used in their preparation, preparation of 1-butene polymers and 1-butene polymers therefrom
A process for preparing 1-butene polymers comprising polymerizing 1-butene and optionally ethylene, propylene or higher alpha-olefin, in the presence of a catalyst system obtainable by contacting:...
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7989543 |
Adhesive and marking compositions made from interpolymers of ethylene/α-olefins
An adhesive composition comprises: (i) at least one ethylene/α-olefin interpolymer, (ii) at least one tackifÊer; and (iii) optionally at least one additive, such as a plasticizer, wax and a...
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7985817 |
Homogeneous catalyst system for producing ethylene homopolymer or ethylene copolymers with alpha-olefins
Disclosed is a homogeneous catalyst system for producing an ethylene homopolymer or an ethylene copolymer with α-olefin. Specifically, this invention pertains to a transition metal catalyst which ...
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7981993 |
1-butene ethylene copolymers
A 1-butene ethylene copolymer having an ethylene derived units content ranging from 15.10% by molto 18.00% by mol having the following properties: a) distribution of molecular weight lower than 3;...
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7981992 |
Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation
Copolymers, especially multi-block copolymer containing therein two or more segments or blocks, are prepared by polymerizing propylene, 4-methyl-1-pentene, or another C4-8 α-olefin in the presence ...
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7977444 |
Process for polymerizaing 1-hexene or higher alpha-olefins
A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH2═CHW wherein W is a C3-C10 hydrocarbon radical and optionally from 0 to 81% by mol of derived u...
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7968665 |
Highly flowable 1-butene polymer and process for producing the same
A 1-butene polymer satisfying the following (1), (2) and either (3) or (3′): a process for producing the polymer; a resin modifier comprising the polymer; and a hot-melt adhesive containing the p...
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7964679 |
Process for the polymerization of alpha olefins
A process for preparing 1-butene polymers, comprising polymerizing 1-butene or copolymerizing 1-butene with ethylene, propylene or an alpha-olefin of formula CH2═CHT wherein T is a C3-C10 alkyl g...
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7947793 |
Ethylene/α-olefin block copolymers
Embodiments of the invention provide a class of ethylene/α-olefin block interpolymers. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than z...
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7947348 |
Polypropylene compositions for stretched articles
Polypropylene compositions, particularly suited for preparation of stretched/oriented articles, especially for injection stretch blow moulded bottles, comprising: A) one or more propylene...
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7943716 |
Process for polymerizing 1-hexene or higher alpha-olefins
A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH2═CHW wherein W is a C3-C10 hydrocarbon radical and optionally from 0 to 81% by mol of derived u...
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7943717 |
Butene-1 copolymers and process for their preparation
The present invention relates to butene-1 copolymers containing up to 40% by mol of ethylene and/or propylene derived characterized by the following properties: d) Product of the reactivity ratios...
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7928051 |
Polyethylene for injection moldings
Polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with 1-alkenes and has a molar mass distribution width Mw/Mn of from 3 to 30, a density of from 0.945 to 0.965...
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7915358 |
Copolymer, production process thereof, lubricating oil viscosity modifier, and lubricating oil composition
Copolymers when used as lubricating oil viscosity modifiers enable lubricating oils to show excellent low-temperature properties. Processes for producing the copolymers are disclosed. Lubricating...
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7910679 |
Bulk homogeneous polymerization process for ethylene propylene copolymers
Provided are bulk homogeneous polymerization processes for producing ethylene propylene random copolymers. The process includes contacting in a reactor or in a series of reactors propylene monomer,...
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7902308 |
Polymerisation catalysts
A complex compound comprising the skeletal unit of Formula A, wherein the ring represented by C(R1)-A1-A2-(A3)x-C(R2)—C— has delocalised unsaturation and is optionally substituted via one or mor...
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7897710 |
Bimodal polyethylene film
Film formed from a polyethylene resin composition which obeys a dynamic rheological relationship at 190° C. between melt storage modulus G′, measured in Pa and at a dynamic frequency where the lo...
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7893180 |
Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefrom
A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with a Ziegler-Natta type catalyst in the presence of a specified compound that...
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7872086 |
Polymeric material and its manufacture and use
Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties,...
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7858718 |
Catalysts based on 2-aryl-8-anilinoquinoline ligands
Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a Group 4 metal complex that incorporates a dianionic, tridentate 2-aryl-8-anilinoquinoline ligand....
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7858723 |
Ethylene-based resin and molded object obtained therefrom
Ethylene-based resin, which exhibits a satisfactorily high melt tension and can provide a molded object excellent in mechanical strength, the ethylene-based resin characterized in simultaneously...
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7855263 |
Process for producing thermoformed articles
A process for obtaining thermoformed articles, comprising the following steps: a) forming a sheet comprising a propylene resin; b) thermoforming the sheet obtained in step a); wherein said...
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7842763 |
Catalyst compositions and polyolefins for extrusion coating applications
This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a...
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7838611 |
Ethylene polymer, catalyst for ethylene polymer production, and method for producing ethylene polymer
An object of the present invention relates to provide an ethylene polymer having excellent mechanical strength and excellent molding processability in a wide molding processing temperature range....
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7807768 |
Highly viscous, largely amorphous polyolefin
A polyolefin which contains the following monomer units: a) not more than 25% by weight of units which are derived from ethene,b) not more than 75% by weight of units which are derived from propene...
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7803728 |
Fibers made from copolymers of ethylene/α-olefins
A fiber is obtainable from or comprises an ethylene/α-olefin interpolymer characterized by an elastic recovery, Re, in percent at 300 percent strain and 1 cycle and a density, d, in grams/cubic ...
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