Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 20,600

Document Document Title
WO/2017/115927A1
The invention relates to: a hybrid supported metallocene catalyst comprising at least one first metallocene compound among the compounds represented by chemical formula 1, at least one second metallocene compound among the compounds repr...  
WO/2017/114784A1
The present invention relates to a process for preparing a solid catalyst component suitable for producing polyethylene and its copolymers, said process comprising the steps of: (a) contacting a dehydrated support having hydroxyl groups ...  
WO/2017/114814A1
The present invention relates to a process for preparing a solid catalyst component suitable for producing polyethylene and its copolymers, said process comprising the steps of: (a) contacting a dehydrated support having hydroxyl groups ...  
WO/2017/116516A1
Provided are methods for making a polypropylene composition having a first polypropylene and second polypropylene, and compositions made therefrom. Also provided are bimodal polypropylene compositions having desirable flexural modulus an...  
WO/2017/116263A1
The invention relates to the production of modified rubbers having reduced cold flow, and rubber mixtures comprising such modified rubbers. A method for preparing rubbers with a reduced cold flow selected from polybutadiene rubber, butyl...  
WO/2017/111335A1
The present invention provides: a method for preparing an olefin polymer, which can exhibit excellent isotacticity at a high yield and thus is suitable for use in reinforcing a long fiber; and a long fiber comprising an olefin polymer pr...  
WO/2017/111553A1
The present invention relates to a catalyst composition comprising: a transition metal compound represented by chemical formula 1; and at least one type among a compound represented by chemical formula 2, a compound represented by chemic...  
WO/2017/106940A1
In general, the present invention relates to a tubular reactor for homo- or copolymerization of olefins with one or more initiator injection devices. The present invention also relates to a device for injecting an initiator in a process ...  
WO/2017/109784A1
A polymeric compound is disclosed herein, having the general formula I: wherein m, n, X, Y, Z and L are as defined herein. Further disclosed herein are lipid bilayers comprising at least one bilayer-forming lipid and the aforementioned p...  
WO/2017/111513A1
The present invention provides: a supported metallocene catalyst capable of preparing, with a high catalytic activity, a polyolefin having excellent processability and mechanical properties and having excellent transparency even during f...  
WO/2017/100922A1
A process for epoxidation of an unsaturated polymer involves mixing an unsaturated polymer and a peroxy acid in an absence of solvent to produce an epoxidized polymer. The process may require no solvent, require no catalyst, require no o...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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) ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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,...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO/2017/068088A1
Modified heterophasic composition to improve the surface appearance of automobil parts.  
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...  
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...  
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...  
WO/2017/069851A1
This invention relates to a process to polymerize olefins, particularly to produce ethylene polymers with internal unsaturation structures.  

Matches 701 - 750 out of 20,600