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WO/2017/102618A1 |
The invention relates to a process for the preparation of a gel spun UHMWPE fiber comprising the steps of providing an ultra high molecular weight polyethylene composition having an intrinsic viscosity (IV) of at least 8 dl/g, a co- mono...
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WO/2017/102303A1 |
The present invention relates to an olefin polymerization process comprising polymerization of at least one olefin monomer in one or more polymerization reactors. In addition, the present invention relates to a system for vapor phase pol...
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WO/2017/105635A1 |
Disclosed are novel hafnium-based metallocene catalyst compounds with the following characteristics: 1) 4,5-dialkyl substitutions on a fluorenyl ligand, and optionally additional substitutions, 2) a cyclopentadienyl ligand, optionally wi...
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WO/2017/104817A1 |
The present invention relates to a method for producing a solid catalyst component for α-olefin polymerization by bringing components (A1) to (A4) into contact with each other in an inert solvent and, without washing such contact produc...
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WO/2017/106166A1 |
Foam compositions comprise at least an ethylene/α-olefin interpolymer. The ethylene/α-olefin interpolymers of the present disclosure are multi-block copolymers comprising at least one soft block and at least one hard block. The foam co...
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WO/2017/104758A1 |
Provided is a method for producing a butene polymer, said method including a polymerization step, in which a polymerization reaction is carried out by bringing a starting material component that includes 20 mass% or more of isobutene int...
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WO/2017/099394A1 |
The present invention relates to a ligand compound, an organic chromium compound, a catalyst system for polyethylene polymerization, and a method for preparing polyethylene using the same. The catalyst system according to the present inv...
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WO/2017/099043A1 |
The present invention addresses the problem of providing a method of producing a (meth)acryloyl-terminated polyisobutylene polymer that facilitates removal of auxiliary raw materials used in production, reduces a load and an amount of wa...
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WO/2017/099491A1 |
The present invention provides an olefin-based polymer capable of exhibiting improved impact strength without deterioration in mechanical properties, such as tensile strength, by satisfying the following requirements, (b1) to (b4): (b1) ...
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WO/2017/098389A1 |
Provided herein is a unidirectional blow down system for a high-pressure tubular reactor with a hyper that minimizes the tube wall metal temperature during a decomposition event wherein the system prevents the reactor walls from reaching...
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WO/2017/097831A1 |
The present invention relates to a copolymer of 1,3-butadiene and ethylene, comprising a copolymer chain A carrying a functional group B chosen from the group consisting of functional groups B1 and B2, the copolymer chain A being a copol...
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WO/2017/093092A1 |
The present invention relates to a procatalyst for polymerization of olefins, which procatalyst is based on a magnesium compound of the formula MgR'R" wherein R' is an alkoxide or aryloxide group and wherein R" is an alkoxide or aryloxid...
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WO/2017/093132A1 |
The present invention is related to a method for producing a olefin polymerization catalyst component, which method comprises the steps of (a) halogenating a magnesium compound 5 of the formula MgR'R" wherein R' is an alkoxide or aryloxi...
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WO/2017/095501A1 |
A process to prepare a polypropylene, and the polypropylene and films therefrom, comprising combining a high melt strength polypropylene comprising at least 50 mol% propylene, and having a molecular weight distribution (Mw/Mn) greater th...
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WO/2017/093129A1 |
The present invention is related to a method for producing a olefin polymerization catalyst component, which method comprises the steps of (a) halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkoxide or aryloxide...
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WO/2017/095079A1 |
The present invention provides a method for preparing a supported hybrid metallocene catalyst which can be used in the preparation of polyolefin, a supported hybrid metallocene catalyst prepared using the same, and a method for preparing...
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WO/2017/095085A1 |
The present invention relates to a ligand compound, a catalyst system for oligomerizing an olefin, and a method for oligomerizing an olefin using same. A catalyst system for oligomerizing an olefin according to the present invention has ...
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WO/2017/093169A1 |
The present invention relates to a procatalyst for polymerization of olefins, which procatalyst is based on a magnesium compound of the formula MgR'R" wherein R' is an alkoxide or aryloxide group and wherein R" is an alkoxide or aryloxid...
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WO/2017/090377A1 |
Provided is a method for producing a catalyst for polymerization of olefins in which exceptional catalytic activity is exhibited during polymerization and with which it is possible to produce a polymer having exceptional stereoregularity...
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WO/2017/089124A1 |
A blown film comprising a polyolefin composition (I) comprising: A) from 40 to 75 wt.% of a polyethylene having a density of 0.920-0.940 g/cm3 and a fraction soluble in xylene (XSA) of less than 10% wt.%; and B) from 25 to 60 wt.% of a c...
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WO/2017/088279A1 |
The present invention relates to a metallocene polyalphaolefin catalyst for synthetic lubricant base stocks, consisting of substituted aromatic base, bridged silicon or carbon atoms, 3' single-substituted or 3', 6' bis-substituted fluore...
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WO/2017/090585A1 |
Provided is a solid polymethylaluminoxane composition which has higher activity when being used as a co-catalyst in olefin polymerization. The solid polymethylaluminoxane composition contains polymethylaluminoxane, trimethylaluminum, and...
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WO/2017/086597A1 |
The present invention relates to a method for producing a metallocene supported catalyst in which at least one first metallocene compound among compounds represented by formula 1, at least one second metallocene compound among compounds ...
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WO/2017/085312A1 |
The invention relates to an organic material which includes a solid polymer substrate onto which molecules having the following general formula (I) are grafted: Formula (I) in which: m = 0, 1 or 2; R1 and R2 = a saturated or unsaturated,...
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WO/2017/079940A1 |
The present invention provides a catalytic system containing a multi-element external electron donor, comprising a solid catalyst component (A), alkyl aluminum (B), and a multi-element external electron donor (C). The component (A) is a ...
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WO/2017/083559A1 |
A process to form an ethylene-based polymer, said process comprising at least the following: polymerizing a mixture comprising ethylene, in the presence of at least one free-radical initiator, and in a reactor configuration comprising at...
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WO/2017/082315A1 |
Provided is a resin film which comprises an ethylene/tetrafluoroethylene copolymer and is for use as, for example, a film for rubber plug laminating which is inhibited from breaking during the production of laminated rubber plugs. The re...
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WO/2017/081638A1 |
Vanadium pyridine-imine complex having general formula (I), wherein : - R1, R2, R3, R4, R5 and R6, equal to or different from each other, represent a hydrogen atom; or are selected from linear or branched C1-C20 alkyl groups, preferably ...
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WO/2017/083563A1 |
A process is provided to form an ethylene-based polymer, in the presence of at least one free-radical, said process comprises at least the following: polymerizing a mixture comprising ethylene, in a reactor configuration comprising at le...
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WO/2017/083552A1 |
A process to form an ethylene-based polymer, in the presence of at least one free-radical, said process comprises at least the following: polymerizing a mixture comprising ethylene in a reactor configuration comprising at least four reac...
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WO/2017/078974A1 |
A radically coupled polymer having a density of from about 0.915 g/ml to about 0.975 g/ml characterized by a crossover modulus that is equal to or less than ymn where ymn=18000e-0.15x and x is the number average molecular weight of the r...
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WO/2017/074077A1 |
Disclosed are: a multimodal polyolefin resin having high melt strength and excellent formability, mechanical strength, processability and appearance; and a molded body manufactured therefrom. As one embodiment, the multimodal polyolefin ...
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WO/2017/075209A1 |
Methods of converting olefins include the steps of providing propane and isobutane to a dehydrogenation reactor to produce effluent that is sequentially cooled, compressed and passed to a distillation zone under conditions to fractionate...
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WO/2017/069538A1 |
The present invention relates to a transition metal compound which exhibits high activity and an improved copolymerization activity in a polymerization reaction of olefin monomers, thereby enabling a low-density, high-molecular-weight po...
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WO/2017/068088A1 |
Modified heterophasic composition to improve the surface appearance of automobil parts.
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WO/2017/069475A1 |
The present invention relates to a method for continuous production of an olefin oligomer. Provided according to the present invention is a method for continuous production of an olefin oligomer, which can exhibit high and stable catalyt...
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WO/2017/069854A1 |
Disclosed are methods for polymerizing olefin monomers comprising contacting one or more olefin monomers with a cosupported catalyst system and an activator. Also disclosed are polymers produced using the catalyst systems and methods dis...
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WO/2017/069575A1 |
The present invention relates to a ligand compound, a catalyst system for olefin oligomerization, and an olefin oligomerization method using same. The ligand compound according to the present invention has substituents substituted in a t...
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WO/2017/069851A1 |
This invention relates to a process to polymerize olefins, particularly to produce ethylene polymers with internal unsaturation structures.
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WO/2017/063118A1 |
The present invention provides an application of an organosilane, a polyolefin in-reactor alloy, and a preparation method therefor. The preparation method for the polyolefin in-reactor alloy comprises: performing a first polymerization r...
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WO/2017/063116A1 |
Provided are a use of organic siloxane, and a polyolefin resin and a preparation method thereof. The preparation method of the polyolefin resin comprises: conducting olefin polymerization of olefin monomers in the presence of a catalyst....
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WO/2017/063117A1 |
Provided are a use of organic siloxane, and a polyolefin in-reactor alloy and a preparation method thereof. The preparation method of the polyolefin in-reactor alloy comprises: conducting first polymerization of first olefin monomers in ...
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WO/2017/060689A1 |
Catalytic compositions comprising permethylpentalene based metallocene complexes supported on solid methylaluminoxane are disclosed. The compositions are effective catalysts/initiators in the polymerisation of olefins. Also disclosed are...
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WO/2017/058390A1 |
This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) ...
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WO/2017/054398A1 |
The present invention provides a spherical supported transition metal catalyst. The catalyst carrier is a spherical titanium/zirconium hydrophosphate compound, the primary catalyst is a transition metal compound, the co-catalyst is methy...
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WO/2017/059201A1 |
Provided herein are methods for preparing a functionalized polyolefin from an unsaturated polyolefin containing one or more non-aromatic main-chain double bonds and for reducing the size and/or polydispersity index (i.e., increasing the ...
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WO/2017/058921A1 |
The present disclosure relates to a one-pot process for synthesizing functional compounds or functional polymers by reacting an aldehyde with an alkyl-zinc or polymeryl-zinc composition in the presence of a specific Lewis acid, wherein t...
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WO/2017/058368A1 |
Systems and processes for rapidly depressurizing a reactor system are disclosed. The systems and processes are particularly useful in the high pressure polymerization of ethylene.
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WO/2017/058393A1 |
Polycyclic aromatic hydrocarbon (PAH) functionalized isobutylene copolymers, methods for making a PAH functionalized isobutylene copolymer comprising combining a halogenated copolymer with a PAH in a solvent under basic conditions at a t...
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WO/2017/058384A1 |
Catalyst compounds and catalyst systems including an asymmetric Salan ligands having a fluorenyl moiety are disclosed. Methods of preparing such catalyst compounds and catalyst systems, polymerization processes using such catalysts syste...
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