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Matches 501 - 550 out of 28,756

Document Document Title
WO/2017/140602A1
The present invention relates to a 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%, which comprises polymerizing isob...  
WO/2017/141130A1
A solution polymerization process for the (co) polymerization of ethylene is conducted in the presence of i) a phosphinimine catalyst; ii) a co catalyst, and iii) a long chain amine modifier.  
WO/2017/140580A1
A process for the manufacture of pre-activated or pre-polymerized catalysts for the polymerization of olefins is disclosed. In particular, the present disclosure relates to a process for the preparation of pre-activated or pre-polymerize...  
WO/2017/143271A1
Polymeric compositions useful for use with solid or liquid phosphate fertilizers include one or more first copolymers having at least two repeat units selected from maleic, itaconic, and sulfonate repeat units, and one or more second cop...  
WO/2017/138783A1
The present invention relates to a novel ligand compound represented by chemical formula 1, and a novel transition metal compound represented by chemical formula 2. According to the present invention, the novel ligand compound and transi...  
WO/2017/139451A1
An organic polymeric compound called a para-Furuta polymer is characterized by polarizability and resistivity has t repeating units of a general structural formula having a backbone structure include structural unit P, on which are n Tai...  
WO/2017/139449A1
An organic co-polymeric compound characterized by polarizability and resistivity has a backbone structure with randomly repeating units of first type (P1-Tail) that repeat n times and repeat units of second type (P2-L-Q) that repeat m ti...  
WO/2017/132092A1
A film formed from a polyethylene copolymer using a reduced chromium oxide catalyst, ethylene monomers and a co-monomer selected from butene monomers or 1-hexene, where the polyethylene copolymer has a density in the range of from about ...  
WO/2017/131869A1
A system for producing a functionalized olefinic-based polymer, the system comprising a polymerization zone for producing an olefinic-based polymer comprising a mixing section, a deliquifying section, and a quenching section, wherein at ...  
WO/2017/131490A2
The present invention relates to a hybrid supported catalyst and a method for preparing an olefin polymer by using the same. The olefin polymer, which shows processability more remarkably improved than that of a conventional olefin polym...  
WO/2016/153682A8
Bis phenolate transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.  
WO/2017/127705A1
Linear low density polyethylene (LLDPE) is produced from an ethylene-only feed over a tandem catalyst system consisting of a phenoxy-imine titanium trimerization catalyst and a silylene-linked cyclopentadienyl/amido titanium polymerizati...  
WO/2017/122521A1
Provided is a solid catalyst component for polymerization of olefins, which contains an electron-donating compound other than phthalate esters, wherein the olefin polymerization activity of the solid catalyst component, and the primary p...  
WO/2017/123295A1
Methods for preparing a fluorided chromium catalyst can include a step of calcining a supported chromium catalyst at a peak calcining temperature to produce a calcined supported chromium catalyst, followed by contacting the calcined supp...  
WO/2017/114813A1
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/2017/115927A1
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,...  

Matches 501 - 550 out of 28,756