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WO/2024/084649A1 |
Provided is a polymerization reaction device that maintains a good state of lubrication between the stirring shaft and bearings of a stirring device disposed within the reaction vessel of the polymerization reaction device, that has smoo...
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WO/2024/083450A1 |
The present invention relates to a multimodal polyethylene composition having excellent mechanical properties and to an extrusion article, such as a rod profile, a tube profile or a hollow article, such as a pipe, comprising the same.
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WO/2024/080319A1 |
3-Methyl-1-butene that has a purity determined by gas chromatography of 99.5000-99.9940% and contains 0.0070-0.1700% of 2-methyl-1-butene as an impurity.
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WO/2024/078525A1 |
The present invention relates to the technical field of olefin polymerization catalysts, and discloses a phosphine-phenol half-metallocene complex, and a preparation method therefor and the use thereof. The structural formula of the phos...
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WO/2024/074396A1 |
The invention relates to a process involving the steps of: (a) supplying reactants to a reactor vessel (A); (b) optionally, supplying a solvent to the reactor vessel; (c) subjecting the contents of the reactor vessel to reactive conditio...
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WO/2024/069248A1 |
A catalyst activity aid for improving the productivity of a catalyst in polymerization processes is disclosed. The catalyst activity aid comprises a mixture of (a) a polysulfone copolymer; (b) a polyquaternary ammonium salt; and (c) a ca...
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WO/2024/071415A1 |
This catalyst composition for olefin polymerization contains a compound represented by general formula (A), and a transition metal compound represented by general formula (E) or (F). (The definitions in the general formulae are as descri...
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WO/2024/068382A1 |
A catalyst component for the polymerization of olefins comprising Ti, Mg and an internal donor selected from 1,3-diethers said solid catalyst component, being characterized by an average particle size D50 ranging from 55 to 80 µm and by...
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WO/2024/070467A1 |
In order to provide a spunbond nonwoven fabric that has flexibility and excellent mechanical properties and that allows easy high-level processing such as pleating and bonding with other members, this spunbond nonwoven fabric is formed f...
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WO/2024/063093A1 |
The purpose of the present invention is to provide an ester-compound-containing composition that has excellent storage stability and a method for producing the same, and methods for producing a polymerizable composition and a (meth)acryl...
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WO/2024/062934A1 |
The present invention addresses the problem of providing an active-ray-sensitive or radioactive-ray-sensitive resin composition from which a hole pattern having excellent resolution can be formed. The active-ray-sensitive or radioactive-...
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WO/2024/059737A2 |
The present disclosure relates to cyclic poly alpha-olefin (PAO) materials prepared from alpha-olefins, and processes for making them.
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WO/2024/058800A1 |
The present invention provides phthalate free impact resistant polypropylene copolymer and methods of preparation, which are produced directly from the polymerization reactor system without further compounding of components which signifi...
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WO/2024/051442A1 |
The present application provides a main catalyst for preparing poly(4-methyl-1-pentene) and a use of the main catalyst. The main catalyst for preparing poly(4-methyl-1-pentene) of the present application has a structure represented by fo...
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WO/2024/052516A1 |
A process for the continuous production of a polyolefin polymer in a gas-phase polymerization reactor in the presence of a polymerization catalyst and an antistatic agent comprising the steps of providing a mixture of polyolefin particle...
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WO/2024/051068A1 |
A device and method for preparing SPG II polypropylene. The device comprises: a polymerization unit, a steaming unit and a drying unit, wherein the polymerization unit comprises a pre-polymerization kettle (104), a first reactor (105), a...
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WO/2024/047645A1 |
A cosmetic or cosmeceutical composition (or formulation) comprising a liposome or a plurality of liposomes and a cosmetically acceptable carrier is provided. At least a portion of the liposomes are made of one or more bilayer-forming lip...
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WO/2024/047646A1 |
A cosmetic or cosmeceutical composition (or formulation) comprising a liposome or a plurality of liposomes and a cosmetically acceptable carrier is provided. At least a portion of the liposomes are made of one or more bilayer-forming lip...
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WO/2024/047644A1 |
A cosmetic or cosmeceutical composition (or formulation) comprising a liposome or a plurality of liposomes and a cosmetically acceptable carrier is provided. At least a portion of the liposomes are made of one or more bilayer-forming lip...
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WO/2024/047647A1 |
Newly designed polymeric compounds (lipid-polymer conjugates), which are usable for forming lipid bilayers and liposomes comprising same, lipid bilayers and liposomes formed thereby and uses thereof are disclosed. Newly designed processe...
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WO/2024/044447A1 |
The present disclosure generally relates to methods of pelletizing polymer solids. In at least one embodiment, a process for preparing a polymer pellet or a polymer briquette includes introducing a monomer, a catalyst, and a diluent into...
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WO/2024/029197A1 |
The present invention provides a polypropylene resin composition which contains a polypropylene polymer (component (A)) and a flame retardant (component (B)), wherein the polypropylene polymer (component (A)) satisfies the condition (a-1...
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WO/2024/024880A1 |
The present invention provides a solid catalyst component mixture for olefin polymerization with which an olefin polymer that exhibits both a high melt flowability and stiffness can be easily produced. Provided is a solid catalyst comp...
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WO/2024/019664A1 |
There is provided a method of converting polypropylene (PP) to oxidized polypropylene (OPP) micro-sized particles having hierarchical nanostructures, the method comprising: oxidizing a PP containing source in the presence of a catalyst t...
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WO/2024/014514A1 |
Provided are a method for producing a melted/mixed composition and a melted/mixed composition. The method comprises a step for melting/mixing a 3-methyl-1-butene polymer and an alkyl radical scavenger. This melting/mixing is performed at...
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WO/2024/013442A1 |
The present invention relates to a method for purifying chlorotrifluoroethylene from a mixture comprising chlorotrifluoroethylene (CTFE) and a hydrofluoroolefin; said method comprising a step (a') of bringing said mixture into contact wi...
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WO/2024/009202A1 |
The present patent application relates to a high pressure polymerization process of ethylene, optionally with at least one co-monomer thereof, to produce low density polyethylene, or ethylene copolymers with at least one co-monomer, pref...
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WO/2024/008862A1 |
A solid catalyst component for the polymerization of olefins comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least 1,3-diether of specific formula is endowed with high polymerization activity a...
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WO/2024/004899A1 |
Provided is a resin that, when included in a resin composition, makes it possible to form a coating film of the resin composition that has adhesion and blocking resistance on the coated surface thereof. The resin includes a polymer con...
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WO/2024/004833A1 |
A method for producing a C2-C8 unsaturated hydrocarbon according to the present invention comprises: a step (1) for sorting, from waste plastics, a plastic mixture (A) having a polyolefin-based plastic content of 50 mass% or more, and re...
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WO/2023/250240A1 |
The present disclosure provides methods for preparing a catalyst system comprising contacting in an organic solvent at a temperature of from less than -6°C to -60°C at least one support material having absorbed water and trimethylalumi...
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WO/2023/246009A1 |
An olefin polymerization catalyst composition, comprising a main catalyst and a carrier. The carrier is fluorinated silica gel particles, and the main catalyst is a metallocene complex represented by general formula (I). Also disclosed a...
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WO/2023/247268A1 |
The present invention relates to a method for preparing an oligobutyl benzene sulfonate comprising the steps of oligomerization of a butene mix comprising 1-butene and 2-butene to produce an alkene blend which comprises oligobutenes with...
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WO/2023/240961A1 |
An olefin polymerization catalyst composition, comprising a main catalyst, a cocatalyst and a magnesium compound carrier. The magnesium compound carrier is selected from Mg(ORI)(ORII), wherein RI and RII are the same or different, and ar...
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WO/2023/243691A1 |
Provided is a polyethylene laminate that is highly recyclable, has excellent physical properties such as rigidity, strength, and impact resistance, and is excellent in heat sealability and transparency. A stretched polyethylene film fo...
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WO/2023/237382A1 |
The present invention relates to a method for preparing a polyisobutyl benzene sulfonate comprising the steps of alkylation of benzene with a terminal unsaturated polyisobutene to produce a polyisobutyl benzene, sulfonation of the polyis...
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WO/2023/229006A1 |
One embodiment of the present invention pertains to a laminate or a method for manufacturing a laminate. This laminate has: a layer (A) which contains polyphenylene sulfide; and an adhesive layer (B) which contains an adhesive compositio...
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WO/2023/229012A1 |
One embodiment of the present invention relates to a laminate or a method for manufacturing a laminate. The laminate has: a layer (A) that contains at least one resin selected from the group consisting of fluorinated resins, LCPs, ABS-ba...
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WO/2023/224824A1 |
A method for making a halo (alkyl vinyl) ether comprising heating a reaction mixture comprising a combination of i) a metal; ii) a solvent; and iii) a halo (alkyl ethyl) ether according to formula (1) RCF2OC(H)(X)CF2Y (1) where R is inde...
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WO/2023/222663A1 |
Loop-Loop-gas-phase reactor polypropylene plant and process for producing polypropylene and polypropylene copolymers.
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WO/2023/224106A1 |
Provided are an ultra-high molecular weight polyethylene sheet, and a method for producing a polyolefin sheet, the method comprising a step A for applying an organic solvent containing a metal catalyst to the inner wall surface of a cont...
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WO/2023/221562A1 |
Disclosed are a catalyst solid component for olefin polymerization, a preparation method therefor and an application thereof. The catalyst solid component comprises: 1) magnesium halide; 2) a titanium active component; and 3) an internal...
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WO/2023/217944A1 |
The invention relates to a polypropylene composition comprising a heterophasic propylene copolymer wherein the heterophasic propylene copolymer consists of: a propylene homopolymer matrix in an amount from 71 to 92 wt%, preferably from 7...
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WO/2023/216658A1 |
The present invention relates to the technical field of steamers. Disclosed is a steamer for use in the preparation of polyolefin by means of an SPG process. The steamer comprises a cylinder body, wherein the top of the cylinder body is ...
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WO/2023/213992A1 |
The invention relates to Process for the preparation of a polypropylene composition comprising a propylene-based polymer which is a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of less than 1.0 wt% bas...
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WO/2023/212573A1 |
Methods for making titanated silica supports, titanated chromium/ silica pre-catalysts, and activated titanated chromium/silica catalysts are disclosed in which hydrogen peroxide and an alkali metal precursor are used during catalyst pre...
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WO/2023/205575A1 |
Methods for operating a polymerization reactor system are described, and these methods include the steps of contacting a transition metal-based catalyst system with an olefin monomer and an optional olefin comonomer in the polymerization...
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WO/2023/199834A1 |
The present invention provides a polyolefin having a number-average molecular weight of 250-10,000 and obtained from a linear olefin monomer having 8-20 carbon atoms, wherein the proportion (%) of side chains with up to n-3 carbon atoms,...
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WO/2023/198616A1 |
The present invention concerns a process for manufacturing polyisobutene succinic anhydrides from certain polyisobutene mixtures.
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WO/2023/198589A1 |
The present invention concerns a process for manufacturing polyisobutene succinic anhydrides from certain polyisobutene mixtures.
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