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Matches 1 - 50 out of 44,077

Document Document Title
WO/2019/156482A1
The present invention relates to a method for preparing a supported hybrid metallocene catalyst and, more particularly, to a method in which a first metallocene compound is supported, a promoter is supported by means of split addition, i...  
WO/2019/156794A1
A process to produce a branched ethylene-α-olefin diene elastomer comprising combining a catalyst precursor and an activator with a feed comprising ethylene, C3 to C12 α-olefins, and a dual-polymerizable diene to obtain a branched ethy...  
WO/2019/157169A1
A process for making a poly alpha-olefin (PAO) having a relatively high vinylidene content (or combined vinylidene and tri- substituted vinylene content) and a relatively low vinyl and/or di- substituted vinylene content, as well as a re...  
WO/2019/157162A1
This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a benzindenyl transition metal complex, a support material and an activator. The catalyst system may be used f...  
WO/2019/156375A1
The present invention provides a method for producing a conjugated diene polymer, the method comprising the steps of: preparing a first polymer solution comprising a first conjugated diene polymer by solution polymerization of a first co...  
WO/2019/156968A1
The present disclosure provides catalyst systems including Group 4 compounds supported on silica with an electron-withdrawing group. The present disclosure also provides for polyolefins and processes for producing polyolefin compositions...  
WO/2019/099587A3
Polymerization processes to produce polyolefin polymers, for example, polyethylene polymers, from catalyst systems comprising one or more olefin polymerization catalysts and at least one activator are provided. The polyolefin polymers ma...  
WO/2019/149636A1
The present disclosure relates to a solid catalyst component for the polymerization of olefins CH2=CHR in which R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising Mg, Ti, Bi, halogen and an electron donor obtained ...  
WO/2019/151672A1
The present invention relates to a method for preparing a conjugated diene-based polymer, and an apparatus for preparing same. More specifically, the method for preparing a conjugated diene-based polymer comprises the steps of: in a para...  
WO/2019/124805A8
According to the prevent invention, provided are an olefin polymer, which can satisfy both excellent falling impact strength and transparency, a preparation method therefor and a film using the same.  
WO/2019/151483A1
Provided is a method for manufacturing alkoxy magnesium by intermittently adding metal magnesium a plurality of times to an alcohol in a reaction system, wherein: among the second and subsequent additions of metal magnesium to the reacti...  
WO/2019/152267A1
The present disclosure provides a redox initiator system for initiating polymerization comprising an oxidizing agent, a photolabile reducing agent, and a transition metal complex that participates in a redox cycle. On exposure to actinic...  
WO/2019/152209A1
A metallocene catalyst compound can comprise a structure represented by formula (F- MC) below comprising a first cyclopentadienyl ring with carbon atoms directly connected with R1, R2, R4, and R5, and a second cyclopentadienyl ring with ...  
WO/2019/152210A1
A mixed metallocene catalyst system can comprise at least one metallocene catalyst compound comprising a structure represented by formula (A) below and optionally at least one other metallocene catalyst compound having a structure repres...  
WO/2019/103306A8
The present invention provides a homo polypropylene having excellent processability, high strength, and a low amount of low molecular weight molecules, and a preparation method therefor.  
WO/2019/143008A1
The present invention relates to an ethylene-propylene block copolymer resin which is suitable for an insulation layer of a power cable because of the excellent properties of flexibility, heat distortion, and brittleness temperature and ...  
WO/2019/142710A1
Provided is a medical coating material with which it is possible to form a continuous coating without exposing the substrate surface, especially on silicone rubber substrates. The medical coating material according to the present inventi...  
WO/2019/142108A1
Process for the preparation of polyisoprene with a mainly alternating cis-1,4-alt-3,4 structure comprising polymerizing isoprene in the presence of a catalytic system comprising: (a) at least one pyridyl iron complex having general formu...  
WO/2019/139355A1
The present invention relates to a method for preparing a polyolefin by using a supported hybrid metallocene catalyst. According to the present invention, a polyolefin having a narrow molecular weight distribution can be very effectively...  
WO/2019/139413A1
The present invention provides a novel ligand compound, a transition metal compound, and a catalyst composition containing the same.  
WO/2019/133368A1
Embodiments of a method for producing a multimodal ethylene-based polymer having a first, second, and third ethylene-based component, wherein the multimodal ethylene based polymer results when ethylene monomer, at least one C3-C12 comono...  
WO/2019/129502A1
A metal complex of the formula (1) TCyLMZp (1), wherein M is a group 4 metal, Z is an anionic ligand, p is number of 1 to 2, preferably 2, TCy is a thiophene fused cyclopentadienyl-type ligand of the formula (2).  
WO/2019/129650A1
The present invention relates to a process for producing of solid particulate olefin polymerisation catalyst or catalyst carrier comprising forming a solution of the catalyst or a catalyst carrier in a solvent, subjecting the solution in...  
WO/2019/131872A1
The purpose of the present invention is to provide a surface treatment technology that makes it possible to give a variety of large-area base material surfaces excellent surface functionality. According to the present invention, an organ...  
WO/2019/133394A1
Embodiments of polymer compositions and articles comprising such compositions containing at least one LDPE and at least one multimodal ethylene-based polymer having at least three ethylene-based components.  
WO/2019/132523A1
Provided is a polymer composition with excellent cold resistance, the polymer composition comprising: a first polymerization unit containing a polymer of C6 to C10 alpha olefin monomers; and a second polymer unit comprising at least one ...  
WO/2019/133400A1
Embodiments of a polymer compositions and articles comprising such compositions contain at least one multimodal ethylene-based polymer, wherein the multimodal ethylene-based polymer exhibits superior low temperature performance.  
WO/2019/128102A1
Disclosed are a vinyl amide block copolymer hydrate kinetic inhibitor and a preparation method therefor: employing the principle of reverse atom transfer radical polymerization, and under anaerobic operating conditions, using vinyl capro...  
WO/2019/131291A1
Provided is a multinary polar-group-containing olefin copolymer having an excellent balance among transparency, rigidity, and toughness. The multinary polar-group-containing olefin copolymer is characterized by comprising at least one ki...  
WO/2019/132450A1
The present invention relates to a novel supported catalyst containing a metallocene compound, the catalyst having excellent polymerization activity, and to a method for preparing polypropylene by polymerizing propylene in the presence o...  
WO/2019/129797A1
This invention relates to a solid MgCb-based Natta catalyst component comprising a C2 to C6 alkyl tetrahydrofurfuryl ether as internal electron donor for producing olefin polymers and preparation of said catalyst component. Further, the ...  
WO/2019/132477A1
The present invention relates to an olefin-based polymer, of which (1) the density (d) is 0.85-0.90 g/cc, (2) the melt index (MI, conditions of 190°C and 2.16 kg load) is 0.1-15 g/10 min, (3) the molecular weight distribution (MWD) is 1...  
WO/2019/131094A1
To provide: a chemical polymerization initiator divided into two or more partial initiator compositions and blended, which is used in chemical polymerization in a system in which an acid component is present, and in which components cons...  
WO/2019/132346A1
The present invention relates to a method for preparing a supported metallocene catalyst, and a method for preparing a polypropylene by using the catalyst prepared thereby. According to the present invention, provided is a supported meta...  
WO/2019/128690A1
The present invention discloses a preparation method for a high slump-retention polycarboxylic acid water reducing agent. Compared with conventional solution polymerization methods, the present invention adopts an initiation system combi...  
WO/2019/133373A1
Embodiments of polymer compositions and articles comprising such compositions contain at least one multimodal ethylene-based polymer having at least three ethylene-based components, wherein the multimodal ethylene-based polymer exhibits ...  
WO/2019/133633A1
Vulcanizates with desirable properties such as reduced hysteresis and improved wear resistance can be obtained from a composition that includes particulate filler(s) and at least two types of terminally functionalized polymers. One type ...  
WO/2019/132475A1
The present invention relates to an olefin-based polymer having (1) a density of 0.85 to 0.865 g/cc, (2) a melt index (MI) of 0.1 g/10 min. to 3.0 g/10 min. at 190℃ under a load condition of 2.16 kg, (3) a soluble fraction (SF) of 10% ...  
WO/2019/132687A1
A metal complex of the formula (1) TCyLMXp (1), wherein M is a group 4 metal Z is an anionic ligand, p is number of 1 to 2, preferably 2, TCy is a thiophene fused cyclopentadienyl-type ligand of the formula (2) wherein R1 and R2 being...  
WO/2019/133378A1
Embodiments of a method of producing a multimodal ethylene-based polymer comprising a first catalyst and a second catalyst in a first solution polymerization reactor and a third catalyst in a second solution polymerization reactor.  
WO/2019/133372A1
Embodiments of methods for producing a trimodal polymer in a solution polymerization process comprise three solution polymerization reactors organized in parallel or in series.  
WO/2019/132421A1
The present invention provides: homopolypropylene exhibiting excellent processability and an excellent mechanical property, such as high strength, and the like; and a preparation method therefor. The homopolypropylene has i) a molecular ...  
WO/2019/132471A1
The present invention relates to an olefin-based polymer, of which (1) the density (d) is 0.85-0.90 g/cc, (2) the melt index (MI, conditions of 190°C and 2.16 kg load) is 0.1-15 g/10 min, (3) the density and melting temperature (Tm) sat...  
WO/2019/132228A1
The present invention relates to an olefin polymerization catalyst containing a first transition metal compound represented by chemical formula A-1 and a second transition metal compound represented by chemical formula B-1. The descripti...  
WO/2019/075356A3
Non-random isobutylene copolymer includes repeat units derived from isobutylene and one or more comonomers selected from isoprene, butadiene, cyclopentadiene, dicyclopentadiene, limonene, substituted styrenes, and C4 to CIO dienes other ...  
WO/2019/125065A1
The present invention relates to an ethylene/1-butene copolymer having excellent processability and stress cracking resistance. The ethylene/1-butene copolymer according to the present invention can be applied to a high pressure resistan...  
WO/2019/121409A1
Preparation of a block copolymer comprising a polyethylene block and a block formed of the polymerization of one or more vinyl monomers, at least 50 mol% of which being selected from the list consisting of ethylene, vinyl esters, non-con...  
WO/2019/122456A1
The present invention relates to a semi-crystalline functionalized olefin copolymer composition and a process for the preparation of a semi-crystalline functionalized olefin copolymer composition.  
WO/2019/125677A1
A composition comprising vinyl-terminated polyethylene having an Mn from about 200 g/mol to about 10,000 g/mol; and a comb polyolefin having polyethylene arms attached to a random copolymer backbone, said backbone including units derived...  
WO/2019/122016A1
A process for the preparation of a solid olefin polymerisation catalyst or a solid olefin polymerisation catalyst component comprising the steps of: (a)forming a liquid/liquid emulsion of (i) a first organic liquid comprising at least on...  

Matches 1 - 50 out of 44,077