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Matches 1 - 50 out of 43,867

Document Document Title
WO/2019/094132A1
Polyethylene compositions including at least 65 wt% ethylene derived units, based upon the total weight of the polyethylene composition, are provided.  
WO/2019/093789A1
The present invention relates to a homopolypropylene resin for a non-woven fabric, and can produce a high-strength non-woven fabric, which is softer than an existing product and does not tear easily due to high toughness, by optimizing t...  
WO/2019/093579A1
The present invention relates to a method for preparing a conjugated diene-based polymer by continuous polymerization using two or more reactors, wherein a conjugated diene-based polymer having improved Mooney viscosity and excellent lev...  
WO/2019/093720A1
Provided is a transition metal compound, represented by chemical formula 1, for an olefin polymerization catalyst. The details of chemical formula 1 are the same as those defined in the specification.  
WO/2019/092523A1
This disclosure relates to an improved continuous solution polymerization process wherein production rate is increased. Process solvent, ethylene, optional comonomers, optional hydrogen and a bridged metallocene catalyst formulation are ...  
WO/2019/090883A1
A method for preparing polypropylene or a propylene-ethylene copolymer, comprising: (1) subjecting a liquid phase propylene together with a polymerization catalyst to a prepolymerization of propylene, into a feedstock slurry containing a...  
WO/2019/093364A1
The present invention pertains to a catalyst for olefin polymerization that includes a metal complex indicated by general formula (C1) and a production method that uses the metal complex as a polymerization catalyst and produces: a copol...  
WO/2019/090884A1
A method for preparing an impact polypropylene, comprising: (1) performing propylene prepolymerization of a liquid phase propylene with a polymerization catalyst, to be a feedstock slurry containing a propylene prepolymer, wherein the pr...  
WO/2019/094131A1
Polyethylene compositions including at least 65 wt% ethylene derived units, based upon the total weight of the polyethylene composition, are provided.  
WO/2019/093630A1
Disclosed is a method using a metallocene catalyst system so as to control the polymer structure of a diene-modified polypropylene through process simplification, thereby being capable of preparing a hyperbranched polypropylene resin hav...  
WO/2019/092524A1
This disclosure relates to ethylene interpolymer compositions and films prepared therefrom. Specifically: ethylene interpolymer products having: a dimensionless Long Chain Branching Factor, LCBF, greater than or equal to 0.001; a residua...  
WO/2019/092525A1
This disclosure relates to an improved solution polymerization process wherein the molecular weight of an ethylene interpolymer product can be increased relative to a comparative process; or at constant ethylene interpolymer molecular we...  
WO/2019/089750A1
A composition comprising an ethylene/CO interpolymer, formed from a high pressure, free-radical polymerization, and wherein the ethylene/CO interpolymer has the following properties: a) a CO content from "greater than 0" weight percent t...  
WO/2019/088102A1
The purpose of the present invention is to provide a resin composition which can be cured in a relatively short time (within several hours) at a low temperature of about room temperature and is suitable as a one-liquid type adhesive for ...  
WO/2019/086906A1
Modified solid polymethylaluminoxanes are described for use as support materials for olefin polymerisation catalysts. The modified solid polymethylaluminoxanes have higher specific surface areas than their unmodified analogues. Also desc...  
WO/2019/089144A1
The present disclosure provides a method for preparing a catalyst system comprising contacting in an aliphatic solvent at a temperature of from less than 0°C to -60°C at least one support material having absorbed water and at least one...  
WO/2019/088634A1
The present invention provides: a method for preparing a catalyst useful in the preparation of a conjugated diene-based polymer, the method preparing a catalyst by prepolymerizing a lanthanide rare-earth element-containing compound, an a...  
WO/2019/089111A1
A process of polymerizing olefins comprising combining propylene with a polymerization catalyst, hydrogen, and at least one external electron donor, such as at least one amino-silane donor, to form polypropylene in a first polymerization...  
WO/2019/089715A1
Disclosed are catalyst systems comprising the reaction product of at least the following A) a procatalyst; and B) at least one cocatalyst structure selected from the following i) through iii), i) at least one cocatalyst comprising an ani...  
WO/2019/088300A1
The present invention addresses the problem of providing a method with which it is possible to design a greater diversity of cellulose dispersion block copolymers. The present invention pertains to a manufacturing method for a cellulose ...  
WO/2019/089145A1
The present disclosure provides methods for preparing a catalyst system comprising contacting in an aliphatic solvent at least one support material, at least one hydrocarbyl aluminum compound and at least one non-hydrolytic active oxygen...  
WO/2019/086905A1
Solid support materials are described for use as supports for olefin polymerisation catalysts. Also described is a process for the preparation of the solid support materials and the use of the solid support materials as supports in olefi...  
WO/2019/089153A1
The present disclosure provides a supported catalyst system and process for use thereof. In particular, the catalyst system includes four different catalysts, a support material and an activator. The catalyst system may be used for prepa...  
WO/2019/083609A1
Polyethylene compositions including at least 65 wt% ethylene derived units, based upon the total weight of the polyethylene composition, are provided.  
WO/2019/083608A1
Catalyst systems including more than one metallocene catalysts and processes for using the same are provided to produce poly olefin polymers such as polyethylene polymers.  
WO/2019/082964A1
The present invention addresses the problem of providing a curable composition having adequate polymerizability even under acidic conditions. The present invention is a curable composition that contains (a) a polymerizable monomer having...  
WO/2019/083173A1
The present invention relates to a modified conjugated diene-based polymer with a high percentage of modification, the polymer having improved compounding properties due to excellent affinity with a filler, and a preparation method there...  
WO/2019/083709A1
The present disclosure provides novel unbridged group 4 indacenyl-containing metallocene compounds. The catalyst system may be used for olefin polymerization processes.  
WO/2019/083151A1
The present invention relates to an ethylene-based polymer using a supported hybrid metallocene catalyst, and a pipe using the same and, more specifically, to a pipe using a high-density ethylene-based polymer, the pipe having better swe...  
WO/2019/083616A1
An elastomeric article comprising an olefin-block copolymer comprising within a range from 4 to 40 mol% of C4 to C12 α-olefin derived units, the remainder being ethylene-derived units, wherein the melting point temperature (Tm2) is with...  
WO/2019/083716A1
An ethylene/alpha-olefin copolymer that can be synthesized in a fluidized-bed, gas phase polymerization reactor and made into a blown film. The ethylene/alpha-olefin copolymer is characterized by a bubble stability-effective combination ...  
WO/2019/083092A1
The present invention relates to a method for preparing a conjugated diene-based polymer by continuous polymerization using two or more reactors, and relates to a method for preparing a conjugated diene-based polymer, the method controll...  
WO/2019/081529A1
The present invention relates to A Ziegler-Natta catalyst component in the form of solid particles having a median particle size (D50vol) of 5to 200 µm and comprising i) a compound of Group 1 to 3, preferably of Group 2 metal, IUPAC, No...  
WO/2019/078459A1
The present invention relates to a method for preparing a modified conjugated diene-based polymer having excellent mixing properties and having improved processability. The preparation method according to the present invention prepares a...  
WO/2019/048843A3
A process for the polymerisation of olefins is provided, which uses a Group IV transition metal catalyst.  
WO/2019/077233A1
The present invention relates to a block polymer comprising a first block and a second block, the first block comprising 1,3-diene units, the second block comprising 1,3-diene units and mono-olefin units, the block polymer containing die...  
WO/2019/072695A1
A nano platelet gibbsite treated with compound of formula (ORa)3 Si-Rb or of formula Rc-COOH wherein Ra equal to or different from each other is a C1-C10 alkyl radical; Rb is a C5-C30 hydrocarbon radical and Rc is a C5-C30 hydrocarbon ra...  
WO/2019/074302A1
Disclosed are a novel metallocene catalyst and a method for preparing a polyolefin having a high molecular weight and a low melt index by using the same. The present invention provides a transition metal compound represented by formula 1.  
WO/2019/072792A1
The present invention provides a soft multimodal random heterophasic polypropylene composition (m-Raheco) with improved stiffness and impact behaviour while maintaining optical properties. The multimodal random heterophasic polypropylene...  
WO/2019/069328A1
The present invention disclosed a novel heterogeneous catalytic system (precatalyst), process for the preparation and use thereof for the synthesis of highly crystalline, disentangled ultra high molecular weight polyethylene (UHMWPE).  
WO/2019/070440A1
Disclosed herein are ethylene-based polymers generally characterized by a density from 0.89 to 0.93 g/cm3, a ratio of Mw/Mn from 3 to 6.5, a Mz from 200,000 to 650,000 g/mol, a CY-a parameter at 190°C from 0.2 to 0.4, and a reverse shor...  
WO/2019/070329A1
A bimodal polyethylene is provided. The bimodal polyethylene may include a high molecular weight portion having a weight average molecular weight (Mw) of 100,000 g/mol to 1,000,000 g/mol and a low molecular weight portion having a Mw of ...  
WO/2019/067280A1
Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure : where X is selected from the group consisting of ...  
WO/2019/067300A1
Embodiments are directed to a catalyst system comprising metal-ligand complexes and processes for polyolefin polymerization using the metal-ligand complex having the following structure, Formula (I), where X is selected from the group co...  
WO/2019/064967A1
Provided is a catalyst for olefin polymerization, which exhibits excellent polymerization activity sustainability during polymerization of α-olefins, and which enables suitable production of an α-olefin (co)polymer that has high tactic...  
WO/2019/064253A1
Bis-imine titanium complex having general formula (I): wherein: R1 and R2, mutually identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated, C1-C20 alkyl groups, preferably C1-C1...  
WO/2019/066396A2
The present invention relates to a rubber composition which has excellent tensile properties and viscoelastic properties and comprises a modified conjugated diene-based polymer. Accordingly, the rubber composition can select and include ...  
WO/2019/067274A1
Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure: where each X is selected from the group consisting...  
WO/2019/065709A1
Provided is a method for producing a polymer in which an anionic polymerization reaction is conducted through a flow reaction, wherein the method for producing a polymer includes: introducing a solution A that contains an anionic polymer...  
WO/2019/064247A1
The present invention relates to: a novel indene-based transition metal compound; a transition metal catalyst composition comprising same and having a high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethyle...  

Matches 1 - 50 out of 43,867