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Matches 1 - 50 out of 42,848

Document Document Title
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/2017/216551A1
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...  
WO/2017/205143A1
Disclosed herein are catalyst compositions containing bicyclic bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene polymers produced using these catalyst composi...  
WO/2017/204476A1
The present invention relates to an oligomerizing catalyst comprising a transition metal or transition metal precursor, a halogen-substituted organic ligand, and a heteroatom ligand, and to a method for selectively preparing 1-hexene or ...  
WO/2017/204312A1
The purpose of the present invention is to provide a novel olefin copolymer. The present invention pertains to an olefin copolymer characterized by having: a constituent unit (A) including a structural unit derived from an ethylene (a-1)...  
WO/2017/203830A1
The purpose of the present invention is to provide a terminally modified conjugated diene polymer which has high cis-1, 4- bond content and low molecular weight distribution, while exhibiting excellent durability (wear resistance, fractu...  
WO/2017/205071A1
Disclosed are processes, systems, and reaction systems for the oligomerization of ethylene to form an ethylene oligomer product in a reaction zone using a catalyst system comprising (a) a chromium component comprising an N2-phosphinyl am...  
WO/2017/201304A1
Disclosed are catalyst systems, processes for making the catalyst systems, and processes for polymerizing at least one olefin monomer comprising ethylene to form a low-density polyethylene (LDPE). The polymerization process uses a cataly...  
WO/2017/195634A1
Provided is a terminal-modified conjugated diene polymer capable of giving rubber articles that have improved fracture resistance. The terminal-modified conjugated diene-based polymer is characterized in that the content of catalyst resi...  
WO/2017/194943A1
Unsymmetrical metallocene compounds based on cyclopentadienyl ligands are disclosed, as well as catalytic compositions comprising the compounds supported on solid support materials. The compounds and compositions are useful as catalysts ...  
WO/2017/190543A1
The invention relates to an olefin coordination polymerization catalyst and preparation method and use thereof. The olefin polymerization catalyst is composed of a main catalyst and a cocatalyst. The main catalyst is mainly prepared from...  
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/2017/191766A1
Provided are a method for producing a multibranched polymer with which it is possible to produce a multibranched polymer having a narrow molecular weight distribution by one pot, and a multibranched polymer. A method for producing a mult...  
WO/2017/192226A1
This invention relates to a compound represented by the formula: TyCp'mMGnXq wherein: Cp' is a tetrahydroindacenyl group which may be substituted or unsubstituted, provided that when Cp' is tetrahydro-s-indecenyl: 1) the 3 and/or 4 posit...  
WO/2017/192225A1
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/2017/189120A1
This invention relates to organoaluminum activators, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In par...  

Matches 1 - 50 out of 42,848