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Matches 451 - 500 out of 20,557

Document Document Title
WO/2019/093393A1
Provided are: an olefin-based resin composition that enables production of a molded article where coloring is suppressed and excellent transparency is exhibited; a manufacturing method for such a resin composition; and a molded article o...  
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/2019/094216A1
A process of preparing a solid catalyst component for the production of polypropylene includes a) dissolving a halide-containing magnesium compound in a mixture, the mixture including an epoxy compound, an organic phosphorus compound, an...  
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/2019/090882A1
Disclosed is a method for the homopolymerization and the random copolymerization of propylene, comprising: (1) subjecting a liquid phase propylene comprising a polymerization catalyst to a prepolymerization of propylene, to obtain a feed...  
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/2019/090068A1
The invention relates to treatment of waste with one or more microorganisms for the purposes of, including but not limited to, degrading waste, bioremediation of waste, enhancing waste stabilization, reducing contaminants in waste, reduc...  
WO/2019/086987A1
This invention relates to a solution polymerization process that allows two different types of polyethylene to be produced at the same time. The different polyethylenes may have substantially different densities.  
WO/2019/082903A1
The present invention addresses the problem of providing a resin composition which not only is excellent in terms of binder performances, e.g., adhesiveness, but also retains a satisfactory solution state even when stored over a long per...  
WO/2019/078561A1
The present invention provides a polyethylene resin production method that is utilized for producing a polyethylene resin for a protective film of a display or the like, wherein gel or fisheye formation are significantly reduced by contr...  
WO/2019/079068A1
An improved method of characterizing the PSD of particles.  
WO/2019/075331A2
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 than isopre...  
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/2019/070329A1
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/2019/067271A1
A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cyclohexene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make t...  
WO/2019/067273A1
A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cycloheptene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make ...  
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...  
WO/2019/057595A1
A process is disclosed for the polymerization of olefins in gas phase carried out in a reactor having two interconnected polymerization zones, a first zone (riser) and a second zone (downcomer), wherein the growing polymer particles: a) ...  
WO/2019/048843A2
A process for the polymerisation of olefins is provided, which uses a Group IV transition metal catalyst.  
WO/2019/045878A1
A method for making a polymer, having the steps of (a) polymerizing one or more monomers in the presence of a solvent and a catalyst to form a reaction product; (b) removing an effluent from the reaction product, where the effluent compr...  
WO/2019/039391A1
This polymer thin film is characterized by: containing a methyl pentene polymer (A) which includes a constituent unit represented by general formula (1); by having a thickness of 10 nm to 1000 nm, inclusive; and by having self-supporting...  
WO/2019/038605A1
Provided are a novel transition metal compound based on a cyclopenta[a]naphthalene group, a transition metal catalyst composition having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and at leas...  
WO/2019/034718A1
A process for the preparation of ethylene homopolymers or copolymers in a facility, the facility comprising a high-pressure tubular reactor and a preheater, wherein the reaction fluid introduced into the reactor at the reactor inlet is h...  
WO/2019/025583A1
A butene-1 polymer composition having MFR values of from 20 to less than 100 g/10 min., measured according to ISO 1133 at 190°C with a load of 2.16 kg, comprising: A) a butene-1 homopolymer or a copolymer of butene-1 with one or more co...  
WO/2019/027565A1
Methods for separating gaseous components, such as unreacted hydrocarbon monomer and/or solvent, from polyolefin solids are provided. The methods include contacting a first stream including polyolefin solids and gaseous unreacted hydroca...  
WO/2019/027566A1
Methods for separating gaseous components, such as unreacted hydrocarbon monomer and/or solvent, from polyolefin solids are provided. The methods include flowing a first stream including polyolefin solids and gaseous unreacted hydrocarbo...  
WO/2019/025582A1
A butene-1 polymer having: a) a Melt Flow Rate value of from 20 to less than 100 g/10 min., measured according to ISO 1133 at 190°C with a load of 2.16 kg; • b) an intrinsic viscosity (IV) measured in tetrahydronaphthalene (THN) at 13...  
WO/2019/025585A1
A butene-1 polymer composition having MFR values of from 100 to 300 g/10 min., measured according to ISO 1133 at 190°C with a load of 2.16 kg, comprising: A) a butene-1 homopolymer or a copolymer of butene-1 with one or more comonomers ...  
WO/2019/027585A1
The present disclosure provides a supported catalyst system and process for use thereof. In particular, the catalyst system includes an unbridged metallocene compound, an additional unbridged metallocene compound having a structure diffe...  
WO/2019/025581A1
A butene-1 polymer having: a) a Melt Flow Rate value of from 100 to 300 g/10 min., measured according to ISO 133 at 190°C with a load of 2.16 kg; b) an intrinsic viscosity (IV) measured in tetrahydronaphthalene (THN) at 135°C equal to ...  
WO/2019/025560A1
A process for preparing an olefin polymer, comprising the steps of forming a particulate olefin polymer in a gas-phase polymerization reactor in the presence of a C3-C5 alkane as polymerization diluent, separating discharged polyolefin p...  
WO/2019/022058A1
Provided is a polyethylene composition having the characteristics (A) and (B) outlined below. (A) On an elutriation temperature-cumulative amount elutriated curve obtained by measuring the amount elutriated for each 1°C by temperature r...  
WO/2019/013595A1
The present invention relates to a high-density ethylene-based polymer and a pipe using the same, the high-density ethylene-based polymer comprising: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected...  
WO/2019/014005A1
A process to form an olefin-based polymer, said process comprising at least the following steps: a) polymerizing a reaction mixture comprising an olefin, in at least one reactor, in a solution polymerization, to form a polymer solution; ...  
WO/2019/013872A1
A process comprising combining a polymerization catalyst with propylene at a polymerization temperature to produce polypropylene granules having an MFR1, wherein the temperature of the polypropylene granules is maintained at least at the...  
WO/2019/006542A1
A composite UHMWPE material includes a single ply of high tenacity woven UHMWPE fabric having warp fibers in a first direction and weft fibers in a second direction orthogonal to the first direction. The UHMWPE fabric has a first face an...  
WO/2019/004418A1
The purpose of the present invention is to provide a propylene-based polymer having high stereoregularity at an unprecedented level, and having high heat resistance and high rigidity. This propylene-based polymer satisfies requirements (...  
WO/2019/003853A1
A method for producing a solid catalyst for olefin (co)polymerization includes bringing into contact with each other a magnesium compound, a tetravalent titanium halide compound, an organic compound represented the following general form...  
WO/2019/005812A1
A process to form an ethylene-based polymer in a reactor system, said process comprising at least the following steps: a) injecting a first initiator mixture into the tubular reactor at location L along the reactor, b) injecting a compre...  
WO/2019/003852A1
A solid catalyst component for olefin polymerization, an olefin polymerization catalyst, and a method for producing an olefin polymer, are disclosed. A solid catalyst component for olefin polymerization includes magnesium, a halogen, tit...  
WO/2018/233999A1
The present invention relates to a process for removing polymer material from a gas-solids olefin polymerization reactor wherein the gas-solids olefin polymerization reactor is connected to the top part of an outlet vessel via a feed pip...  
WO/2018/234176A1
An olefin polymerisation method and arrangement comprising polymerising at least one olefin in gas phase in a fluidised bed in the presence of an olefin polymerisation catalyst in a polymerisation reactor having a vertical body; a genera...  
WO/2018/234175A1
A method and arrangement of producing polymer comprising polymerizing in reactor having a top zone having a generally conical shape, a middle zone in direct contact with and below said top zone having a generally cylindrical shape, a bot...  
WO/2018/228957A1
The invention relates to an expansion joint (1) for joining two adjacent parts of a pipe. The expansion joint (1) comprises an expansion bellows (5), an expanded wall (2) and an inner sleeve assembly (8). The expanded wall (2) comprises ...  
WO/2018/230700A1
A dialkoxy magnesium which is characterized in that: the arithmetic mean roughness (Ra) of particle surfaces is 0.5 or less; and the maximum height (Rz) of particle surfaces is 2.0 or less. The present invention is able to provide a dial...  
WO/2018/226787A1
The present disclosure provides a method of maintaining a target value of a melt flow index of a polyethylene polymer product being synthesized with a metallocene catalyst in a fluidized bed gas phase reactor. The method includes produci...  
WO/2018/222310A1
A polypropylene comprising within a range from 0.1 wt% to 4 wt% ethylene and/or C4 to C12 a-olefin derived units, one or more clarifiers, or both; wherein the polypropylene has a flexural modulus of at least 200 kpsi (0.05 in/min ASTM D7...  
WO/2018/219845A1
The invention relates to a process for producing a blend of a thermoplastic starch and a polyolefin using a first extruder comprising successive zones comprising a first zone, a second zone, a third zone and a fourth zone and a second ex...  
WO/2018/220486A1
Disclosed are methods and conditions for manufacturing a polyethylene polymer or copolymer in a liquid/liquid biphasic non-adiabatic reaction, and the compositions and articles made therefrom.  

Matches 451 - 500 out of 20,557