|
Match
|
Document |
Document Title |
|
|
7605215 |
Process for producing olefin copolymerization catalyst and process for producing olefin copolymer
A process for producing an olefin copolymerization catalyst, comprising the step of contacting, with one another, (A) a solid catalyst component containing a titanium atom, a magnesium atom and a...
|
|
|
7592402 |
Process for producing modified particle; carrier; catalyst component for addition polymerization; process for producing catalyst for addition polymerization; and process for producing addition polymer
A process for producing a modified particle, which comprises the step of contacting a compound (a) defined by the formula, M 1 L 1 3 , a compound (b) defined by the formula, R 1 t-1 TH, a compound...
|
|
|
7585925 |
Method of producing a polymer network
In a process, a polymer is crosslinked and then reversibly bound to a template that is dissolved or suspended in a solvent. The polymer thereby acquires a conformation adapted to the template such...
|
|
|
7521512 |
Catalyst composition and polymerization process using mixture of silane electron donors
A catalyst composition for the polymerization of olefins comprising the combination of one or more Ziegler-Natta procatalysts comprising one or more transition metal compounds; one or more aluminum...
|
|
|
7452947 |
Silica-supported polymerization catalyst
A process for the preparation of a silicon containing transition metal compound that includes the steps of (a) non-hydrolytic sol-gel condensation of a silane of formula L x SiQ n wherein L is a...
|
|
|
7449529 |
Bimodal blow molding resin and products made therefrom
A polymer, and a process of producing the polymer, that comprises at least one olefin and has an ESCR of 100 hours to 500 hours, a density of 0.955 g/cc to 0.959 g/cc, and a flexural modulus of...
|
|
|
7420022 |
Polymerization catalyst system utilizing external donor systems and processes of forming polymers therewith
External donor systems, catalyst systems and olefin polymerization processes are described herein. The external donor systems generally include a first external donor represented by the general...
|
|
|
7420021 |
Self-extinguishing catalyst composition with monocarboxylic acid ester internal door and propylene polymerization process
A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more monoesters...
|
|
|
7399812 |
Silicon ether compounds and a method for the preparation thereof
The present invention relates to silicon ether compounds having a general formula (I), a method for the preparation thereof and use thereof as a component of catalysts for polymerization of...
|
|
|
7351678 |
Catalyst systems for Ziegler-Natta propene polymerisation
The invention relates to the use of nitrogenous aluminium organyl complexes of general formula (I) as co-catalysts in heterogeneous polymerisation reactions of propene. In said formula: R, R′, R...
|
|
|
7329626 |
Ziegler-Natta catalyst, preparation, and use for the polymerization of alkenes
A method for making a solid catalytic component for a Ziegler-Natta catalyst includes contacting a particulate porous support with a solution of a hydrocarbon soluble organomagnesium precursor...
|
|
|
7307036 |
Highly active alpha-olefin polymerization catalyst
A highly active alpha-olefin polymerization catalyst component is disclosed. In the presence of a co-catalyst, the catalyst component is useful for the production of LLDPE resins. The catalyst...
|
|
|
7294680 |
Method of producing conjugated diene polymers with narrow molecular weight distribution and polymer produced
Conjugated diene polymers having good wear resistance, mechanical properties, storage stability, processability and a reduced cold flow are produced by polymerizing a conjugated diene compound with...
|
|
|
7291686 |
Method of producing polymer network
Process for the preparation of a polymeric network, in which
(i) one or more polymers are made available which can be crosslinked with one another intramolecularly or intermolecularly or intra-...
|
|
|
7288611 |
Methods for preparing a rare-earth cis-1,4-polybutadiene rubber with a controlled molecular weight distribution
Disclosed herein are a method for preparing a cis-1,4-polybutadiene with a controlled molecular weight distribution, comprising polymerizing butadiene monomers using a rare-earth catalyst system...
|
|
|
7256243 |
Silicon compound
The present invention provides a novel silicon compound represented by Formula (1) having a living radical polymerization initiating ability for addition-polymerizable monomers and a polymer...
|
|
|
7247686 |
Solid cocatalyst component for olefin polymerization and catalyst system thereof
A solid cocatalyst for olefin polymerization in which an ion-containing compound comprising a cation expressed by [R 4 M]+, wherein the group R are each individually selected from the group...
|
|
|
7238818 |
Heterocyclic metallocenes and polymerization catalysts
A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using said catalytic system are disclosed; the...
|
|
|
7238758 |
Catalysts for polymerization or copolymerization of α-olefins, catalyst components thereof, and processes for polymerization of α-olefins with the catalysts
The invention has an object to provide a catalyst for polymerizing or copolymerizing an α-olefin, catalyst constituent thereof, and method of polymerizing α-olefins with the catalyst, for...
|
|
|
7220804 |
Method for preparing a catalyst system and its use in a polymerization process
The present invention relates to a supported catalyst composition and a method for making the supported catalyst composition and its use in a process for polymerizing olefin(s). In particular, the...
|
|
|
7211613 |
Hydrophobically modified clay polymer nanocomposites
The present invention is directed, in part, to improved nanocomposite compositions and processes for preparing same. Specifically, in one embodiment, there is provided a process for preparing an...
|
|
|
7202191 |
Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins
It has been discovered that using n-butylmethyldimethoxysilane (BMDS) as an external electron donor for Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films...
|
|
|
7173097 |
Metathesis-curable composition with a reaction control agent
A composition curable by a metathesis reaction upon mixing its components and comprising an olefin-containing substrate, a metathesis catalyst, and a reaction control agent for slowing the progress...
|
|
|
7157522 |
Alpha-olefin/propylene copolymers and their use
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable...
|
|
|
7151145 |
Process for narrowing short-chain branching distribution in two-step ethylene polymerizations and products
An improved two-step polymerization process wherein ethylene homopolymer is produced in a first reactor and ethylene copolymer having narrowed short-chain branching distribution is prepared in a...
|
|
|
7148302 |
Catalyst for polymerization of norbornene
This invention is based upon the discovery that a catalyst system which is comprised of (a) palladium or a palladium compound and (b) a fluorinated alcohol is effective for polymerizing...
|
|
|
7141635 |
Catalyst composition and polymerization process using mixtures of selectivity control agents
A catalyst composition for the polymerization of olefins and process for the use thereof, comprising the combination of one or more Ziegler-Natta catalysts, comprising one or more transition metal...
|
|
|
7141634 |
Catalyst for olefin polymerization and process for polymerizing olefins
A catalyst for olefin polymerization comprising (A) a solid catalyst component which is prepared by causing (a) a magnesium compound, (b) a tetravalent titanium halide compound, and (c) an electron...
|
|
|
7135532 |
Process for producing solid catalyst component and catalyst for α-olefin polymerization, and process for producing α-olefin polymer
There are disclosed a process for producing a solid catalyst component and a catalyst for α-olefin polymerization, and a process for producing an α-olefin polymer, wherein the process for...
|
|
|
7129303 |
Method for producing homo- and co-polymers of ethylene
The present invention provides a method for producing homo- and co-polymers of ethylene, or more particularly a method for producing homo- and copolymers of ethylene in the presence of (a) a solid...
|
|
|
7122603 |
Alpha-Olefin/propylene copolymers and their use
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable...
|
|
|
7122497 |
Olefin polymerization catalyst system
A catalyst system useful for polymerizing olefins is disclosed. The catalyst system comprises a cocatalyst and a supported transition metal prepared from a halogen-containing Group 4–6 transition...
|
|
|
7109143 |
Polymerization catalyst system using n-butymethyldimethoxysilane for preparation of polypropylene film grade resins
It has been discovered that using n-butylmethyldimethoxysilane (BMDS) as an external electron donor for Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films...
|
|
|
7105609 |
Alpha-olefin/propylene copolymers and their use
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable...
|
|
|
7084218 |
Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable...
|
|
|
7060769 |
Method of curing composition by metathesis reaction using reaction control agent
A method of controlled curing by a metathesis reaction upon mixing its components, the method including the step of mixing an olefin-containing substrate, a metathesis catalyst, and a reaction...
|
|
|
7056993 |
Process for producing propylene alpha-olefin polymers
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable...
|
|
|
7056992 |
Propylene alpha-olefin polymers
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable...
|
|
|
7053164 |
Thermoplastic polymer blends of isotactic polypropropylene and alpha-olefin/propylene copolymers
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable...
|
|
|
7026494 |
Polymerization catalysts for producing high melt index polymers without the use of hydrogen
Various catalyst compositions including the contact product of at least one ansa-metallocene compound, at least one organoaluminum compound, and at least one activator-support are disclosed....
|
|
|
7005398 |
Olefin polymerization catalyst, catalyst component for olefin polymerization, method of storing these, and process for producing olefin polymer
A catalyst is used which comprises a cocatalyst component wherein a non-coordinating ion-containing compound is chemically bonded to a fine particulate carrier, together with a metallocene compound...
|
|
|
6995220 |
Ethylene polymerization process
A process for polymerizing ethylene is disclosed. The ethylene is polymerized with a catalyst system which comprises an activator and an indeno[2,1-b]indolyl Group 4-6 transition metal complex...
|
|
|
6992036 |
Catalyst systems, method for preparing and using same in a polymerization process
A polymerization catalyst system and process, which utilizes a Group 14 and Group 16 containing non-crystalline compound to solubilize or emulsify polymerization catalyst components, is disclosed.
|
|
|
6984600 |
Olefin polymerization catalyst
An olefin polymerization catalyst comprising: (A1) a solid catalyst component prepared by contacting (a1) a dialkoxymagnesium, (b1) a tetravalent titanium halide, (c1) an electron compound, and...
|
|
|
6939930 |
Hydrosilane additives for increased polyolefin molecular weight
A process for polymerizing olefins is disclosed. The process uses a hydrosilane in a polymerization catalyzed by an open architecture, bridged indenoindolyl organometallic complex and an activator....
|
|
|
6936563 |
Coordination compounds and their use for the polymerization of olefins
The invention relates to coordination compounds of the general formulae (Ia) to (Ib), wherein M=Ti, Zr, Hf, V, Nb or Ta. The invention also relates to a method for producing the metal complexes and...
|
|
|
6913628 |
Waterborne fabric and textile coating or treatment
Novel waterborne vinyl copolymer dispersions useful as a fabric coating or treatment to improve the performance properties of textile products are disclosed and claimed. The compositions contain...
|
|
|
6903170 |
Olefin polymerization process using triisobutylaluminum as a scavenger
Ethylene and optional comonomers are polymerized using a supported metallocene catalyst, an alumoxane activator, and triisobutylaluminum (TIBAL). A silica support is first pretreated with a silane...
|
|
|
6887817 |
Olefin polymerization catalyst and process for preparing polyolefins using said catalyst
An olefin polymerization catalyst is described which includes: (A) a solid catalyst component being prepared by copulverizing a magnesium compound, an aluminum compound, an electron donor and a...
|
|
|
6884749 |
Supported catalysts which reduce sheeting in olefin polymerization, process for the preparation and the use thereof
Olefin polymerization in the presence of heterogeneous supported catalysts is improved by incorporating into the supported catalyst a unifunctional hydrophobic tether comprising a hydrophobic...
|