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Matches 501 - 550 out of 44,139

Document Document Title
WO/2018/020124A1
The present invention relates to a one-pot method for preparing a preformed catalytic system from a rare-earth metallocene in a hydrocarbon solvent in three managed steps.  
WO/2018/022219A1
The present invention relates to a bimodal polypropylene composition comprising a blend of a HMW polypropylene component and a LMW polypropylene component, where the high molecular weight (HMW) component of the bimodal composition has a ...  
WO/2018/022871A1
Embodiments are directed to terphenyl ligands and metal complex formed therefrom, wherein the metal complexes are used as procatalyst in polyolefin polymerization and comprise the following structure:  
WO/2018/021656A1
The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene, and at least one type of comonomer selected from the group consisting of an α-olefin, a cyclic olefin,...  
WO/2018/022975A1
Embodiments are directed to a metal complex formed, wherein the metal complexes are used as pro-catalyst in polyolefin polymerization and comprise the following structure (Formula (I)).  
WO/2018/022994A1
A method for producing a polydiene, the method comprising the step of: polymerizing conjugated diene monomer with a lanthanide-based catalyst system in the presence of a hydrocarbyloxysilane.  
WO/2018/016987A1
Present invention relates to a method for producing a rubber by an anionic solution (co)polymerization of a conjugated diene and/or a vinyl aromatic compound in an organic solvent in the presence of an organolithium N,N-disubstituted ami...  
WO/2017/050870A9
The present invention relates to a compound according to Formula (I) wherein R1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups, and one or more combinations thereof; where...  
WO/2018/016985A1
Present invention relates to a method for producing a branched modified rubber, comprising an anionic (co)polymerization of a conjugated diene and/or a vinyl aromatic compound in the presence of an initiator and a polyfunctional modifyin...  
WO/2018/016712A1
The present invention provides a method for oligomerizing an olefin, comprising the steps of putting, into a reactor: an oligomerization catalyst comprising a transition metal source, a hetero atom ligand and an organic ligand, or a tran...  
WO/2018/016980A1
The invention is directed to a method of anionic copolymerization of vinyl compounds and conjugated dienes in a hydrocarbon solvent in the presence of an organolithium initiator and an electron-donating additive (hereinafter - EA) con...  
WO/2018/016986A1
Instant invention relates to a method of producing a rubber by anionic (co)polymerization of diene and/or vinyl aromatic compound in the organic solvent medium in the presence of an electron donor and a lithium organozincate of the gener...  
WO/2018/015306A1
The present invention relates to a novel process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 70 mol%. The present invention furthe...  
WO/2018/012854A1
Disclosed are: a polyolefin polymerization catalyst having improved catalytic activity by modifying a support in which a metallocene catalyst is supported; and a method for preparing a polyolefin by using the same. The polyolefin polymer...  
WO/2018/013284A2
Processes are provided which include copolymerization using two different metallocene catalysts, one capable of producing high Mooney-viscosity polymers and one suitable for producing lower Mooney-viscosity polymers having at least a por...  
WO/2018/011165A1
The present invention is directed to solid catalyst particles comprising a Ziegler-Natta catalyst and a polymeric nucleating agent. Further, the present invention is also directed to a process for the preparation of said solid catalyst p...  
WO/2018/012792A1
Provided is a method for oligomerization of ethylene, and more particularly, a method for producing 1-hexene and 1-octene at a high selectivity under an ethylene atmosphere by inducing a remarkably improved catalytic activity while effec...  
WO/2018/013283A2
Processes are provided which include copolymerization using two different metallocene catalysts, one capable of producing high Mooney-viscosity polymers and one suitable for producing lower Mooney-viscosity polymers having at least a por...  
WO/2018/013943A1
The present disclosure provides compounds, compositions, and methods for preparing alkenyl halides and/or haloalkyl-substituted olefins with Z-selectivity. The methods are particularly useful for preparing alkenyl fluorides such as CF3-s...  
WO/2018/011548A1
Bimetallic catalytic compounds and compositions comprising permethylpentalene ligands, as well as their methods of preparation, are described. The catalytic compounds and compositions are promising catalysts in olefin (e.g. ethylene) pol...  
WO/2018/012793A1
Provided is a method for oligomerization of ethylene, and more particularly, a method for producing 1-hexene and 1-octene at a high selectivity under an ethylene atmosphere by inducing a remarkably improved catalytic activity while effec...  
WO/2018/013540A1
In some aspects, the present disclosure provides methods of aminating an aromatic compound comprising reacting an aminating agent with an aromatic compound in the presence of a rhodium catalyst. In some embodiments, the methods may compr...  
WO/2018/011086A1
A catalyst component for the (co)polymerization of olefins, comprising Ti, Mg, halogen, an electron donor (ID) selected from aliphatic cyclic ethers or alkyl esters of aliphatic monocarboxylic acids and a compound of a metal selected fro...  
WO/2018/013285A1
This application relates to copolymer compositions and copolymerization processes. The processes may use two different metallocene catalysts: one capable of producing high molecular weight copolymers; and one suitable for producing lower...  
WO/2018/008911A1
The present invention relates to a modifier, a modified conjugated diene polymer obtained from the modification using the modifier, and a rubber composition comprising the polymer and, more specifically, to a modifier capable of improvin...  
WO/2018/009016A2
The present invention relates to a method for preparing a high-purity metallocene catalyst capable of providing varying selectivity and high activity to a polyolefin copolymer and, particularly, can prepare a high-purity metallocene cata...  
WO/2018/008912A1
The present invention relates to a denaturant, a modified conjugated diene-based polymer modified by using the same, and a rubber composition including the same. More specifically, the present invention provides a denaturant capable of i...  
WO/2018/003389A1
Provided is a production method for a catalyst, by which a catalyst that is a metallocene compound can be produced with high purity and high yield by using a ligand of a specific structure containing a fluorene skeleton. According to the...  
WO/2018/004385A1
The invention relates to a method for obtaining ultra-high-molecular-weight polyethylene (UHMWPE) using a supported Ziegler-type catalyst, the composition of which contains a transition metal compound on a magnesium-bearing support. The ...  
WO/2018/005201A1
Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.  
WO/2018/005821A1
The present disclosure relates to novel procatalyst compositions including a titanium moiety, a magnesium halide support, a hydrocarbon solution in which the magnesium halide support is formed, and an electron donor modifier described he...  
WO/2018/002617A1
The present invention provides a process for the preparation of a multimodal polyethylene, said multimodal polyethylene preferably having a bimodal or trimodal molecular weight distribution, comprising: (i) polymerising ethylene and opti...  
WO/2018/005922A1
A composition comprising an ethylene/alpha-olefin/non-conjugated polyene, and wherein the ethylene/alpha-olefin/non-conjugated polyene comprises the following property: a "13C NMR % iCB Peak Area," which is the {[(13C NMR peak area from ...  
WO/2018/005789A1
The present disclosure relates to novel procatalyst compositions including a titanium moiety, a magnesium halide support, a hydrocarbon solution in which the magnesium halide support is formed, and an electron donor modifier having the f...  
WO/2017/221943A1
According to the present invention, a modified conjugated diene polymer that has high Mooney viscosity and good shape stability, while exhibiting excellent processability and low heat generation properties is obtained in as few steps as ...  
WO/2017/220018A1
Disclosed is a catalyst pre-contact method for the continuous polymerization of an olefin, wherein a primary catalyst, a co-catalyst and, optionally, an external electron donor are mixed and then undergo a pre-contact reaction, with the ...  
WO/2017/192225A8
This invention relates to a compound represented by the formula: TyLAMXn-2 wherein: A is a substituted or unsubstituted tetrahydro-as-indacenyl group bonded to M; L is substituted or unsubstituted monocyclic or polycyclic arenyl ligand o...  
WO/2017/216551A1
Catalytic compositions comprising constrained geometry compounds associated with solid polymethylaluminoxane are disclosed. The compositions are useful as catalysts in the polymerisation and copolymerisation of alkanes  
WO/2017/216091A2
The present invention relates to nucleated propylene-ethylene-butylene-terpolymers comprising propylene, butylene, and ethylene, having improved stiffness, better impact behaviour and improved optical properties such as low haze, and low...  
WO/2017/216093A1
The present invention relates to nucleated propylene-butylene copolymers comprising propylene and butylene monomer units, wherein the nucleated propylene-butylene copolymer has improved stiffness, better impact behaviour and optical prop...  
WO/2017/216047A1
The invention relates to a catalyst composition consisting of a chromium compound, a vanadium compound and a silica support material, wherein the silica support material has a surface area (SA) > 600 m2/g and ≤ 800 m2/g, a pore volume ...  
WO/2017/214115A1
Evaporation of water from an aqueous dispersion of a solid peroxide such as benzoyl peroxide is retarded by the incorporation of carboxylic acid salt. The carboxylic acid salt renders the aqueous dispersion less susceptible to explosive ...  
WO/2017/211587A1
A specific RAFT functionalized photoinitiator is disclosed as well as its use in radiation curable compositions, inks and inkjet inks. The specific RAFT functionalized photoinitiator can be advantageously used to reduce migrateables and ...  
WO/2017/213832A1
Methods for controlling the productivity of an olefin polymer in a polymerization reactor system using a halogenated hydrocarbon compound are disclosed. The productivity of the polymer can be increased via the addition of the halogenated...  
WO/2017/209372A1
The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an α-olefin, a cyclic olefin and a str...  
WO/2017/210195A1
The invention provides a composition comprising a first composition, comprises a first ethylene/alpha-olefin/non-conjugated diene interpolymer, and wherein the first composition comprises the following properties: a) a molecular weight d...  
WO/2017/208974A1
The present invention provides an industrially advantageous process for producing a vinyl-alcohol-based polymer having a low degree of polymerization using a chain-transfer agent that has a C6-12 aliphatic hydrocarbon group, the obtained...  
WO/2017/204830A1
This invention relates bisindenyl metallocene catalyst compounds having long (at least 4 carbon atoms) linear alkyl groups substituted at the two position and substituted or unsubstituted aryl groups at the four position and process usin...  
WO/2017/204811A1
A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formul...  
WO/2017/205070A1
Disclosed are processes, systems, and reaction systems for the oligomerization of ethylene to form an oligomer product in a reaction zone using a catalyst system having i) a chromium component comprising an N2-phosphinyl amidine chromium...  

Matches 501 - 550 out of 44,139