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Matches 251 - 300 out of 12,612

Document Document Title
WO/2023/280799A1
Monolayer blown films comprising a specific blend of Ziegler-Natta catalysed linear low density polyethylene (znLLDPE) and a specific multimodal metallocene catalysed LLDPE, with well- balanced mechanical properties, especially dart drop...  
WO/2023/280605A1
Use of a copolymer of propylene and ethylene having: i) the content of ethylene derived units ranging from 0.5 wt% to 2.2 wt%; ii) the xylene soluble fraction at 25°C ranging from 4.3 wt% to 6.5 wt%; iii) the melt flow rate, MFR, measur...  
WO/2023/272545A1
Provided is a process to form a crosslinked composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components a) and b) : a) an olefin-based polymer that compri...  
WO/2023/276873A1
This cyclic olefin polymer, which has a norbornene skeleton, is a cyclic olefin copolymer or cyclic olefin ring opening polymer, and satisfies requirement (a) below. (Requirement (a)) The cyclic olefin polymer is composed of a chain olef...  
WO/2023/277333A1
Disclosed are a long-chain branched α-olefin polymer prepared through a non-catalytic C-H insertion reaction of azido formate and a method for preparing same. Specifically, by using a compound having azido formate at both ends, a long-c...  
WO/2022/268953A1
The disclosure relates to a process for polymerising olefins, the process comprising polymerising ethylene, optionally in the presence of at least one other alpha olefin comonomer, preferably C4-C10 alpha olefin comonomer, preferably in ...  
WO/2022/268963A1
The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.  
WO/2022/268964A1
The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.  
WO/2022/268959A1
The disclosure relates to à process for polymerising olefins in multi stage polymerisation process configuration, the process comprising a) polymerising in a first polymerisation step first olefin monomer, optionally in the presence of ...  
WO/2022/268951A1
The disclosure relates to a process for polymerising olefins in multi stage polymerisation process configuration, comprising a) polymerising in a first polymerisation step first olefin monomer, optionally in the presence of at least one ...  
WO/2022/268960A1
The disclosure relates to a process for polymerising olefins in multi stage polymerisation process configuration, the process comprising a) polymerising in a first polymerisation step ethylene, optionally in the presence of at least one ...  
WO/2022/269364A1
A process for propylene preliminary polymerization in liquid phase that occurs in a continuous preliminary polymerization reactor may include feeding a propylene monomer and a Ziegler-Natta catalyst system having (a) a pro-catalyst havin...  
WO/2022/268965A1
The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.  
WO/2022/268966A1
The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.  
WO/2022/268961A2
The disclosure relates to process for polymerising olefins, the process comprising polymerising ethylene, optionally in the presence of at least one other alpha olefin comonomer, preferably C4-C10 alpha olefin comonomer, preferably in a ...  
WO/2022/263987A1
A free-radically polymerizable copolymer comprising divalent monomeric units: a); b); and optionally c). Each R1 independently represents an alkyl group having from 1 to 8 carbon atoms. R2 represents H or a methyl group. Z represents an ...  
WO/2022/263397A1
The invention relates to an ethylene copolymer which comprises or consists of 55 to 80 wt% of an ethylene homopolymer component A and 20 to 45 wt% of an ethylene copolymer component B of ethylene and an olefin comonomer, wherein the comp...  
WO/2022/263112A1
The present invention provides an ethylene-α-olefin copolymer comprising moieties derived from ethylene and moieties derived from an α-olefin comprising 3 to 10 carbon atoms, wherein the copolymer has: • a short chain branching ratio...  
WO/2022/263744A1
The invention relates to A-B-A block polymers and the process for preparing same by polymerisation of ethylene or of a mixture containing ethylene and a 1,3-diene in the presence of at least one rare earth metallocene and of a co-catalys...  
WO/2022/263737A1
The present invention relates to a rubber composition having high rigidity, without the use of large amounts of reinforcing filler or without the use of reinforcing resins, while having improved limit properties. The composition is based...  
WO/2022/263389A1
The present invention relates to method for controlling the initial fragmentation time of a porous polymerization catalyst in a process for polymerizing alpha-olefin polymers, the method comprising: • Determining the initial fragmentat...  
WO/2022/263738A1
The present invention relates to a rubber composition having high rigidity, without the use of large amounts of reinforcing filler or without the use of reinforcing resins, while having improved limit properties. The composition is based...  
WO/2022/258804A1
A process for producing a multimodal ethylene polymer comprising the steps of (i) polymerising ethylene in a first polymerisation step in the presence of a Ziegler-Natta polymerisation catalyst to produce a first ethylene homopolymer (PE...  
WO/2022/260896A1
Granular polyolefin polymerization catalyst exhibit activation with less activity spikes if the composition has substantial zones of exposed support material and substantial zones of exposed activator, rather than a core-shell morphology...  
WO/2022/260891A1
Processes for making polypropylene random copolymers with improved properties. A process for making a random copolymer can include introducing propylene and at least one other α-olefin comonomer to a first reactor system for slurry phas...  
WO/2022/254294A1
The present invention relates to a method for producing ethylene polymer predicting and controlling the density of ethylene polymer in real time using on-ling analyzer. Specifically, the present invention relates to a method for producin...  
WO/2022/250456A1
The present invention relates to a heat-resistant resin for manufacturing a high-output and high-capacity cable, a method for manufacturing the resin, and a cable manufactured from the resin.  
WO/2022/250822A1
The present disclosure relates to a process including introducing a feed to a catalyst and an activator to provide a solution in a continuous or semi-continuous reactor. The feed can include a solvent, and a first monomer that is propyle...  
WO/2022/242045A1
The present invention relates to preparation of an anthracene skeleton-based bimetallic catalyst, and an application thereof in solution polymerization of an olefin at high temperature. In the present invention, an anthracene skeleton is...  
WO/2022/243278A1
A process for preparing an olefin polymer in a polymerization apparatus in the presence of a solid particulate polymerization catalyst and an organometallic compound, comprising withdrawing a gaseous stream from the polymerization appara...  
WO/2022/245643A1
Bimodal high density polyethylene compositions can achieve an improved balance of stress crack resistance and processability by selecting the higher molecular weight and lower molecular weight components such that (1) the lower molecular...  
WO/2022/241225A1
A polyethylene copolymer comprising ethylene units and C4 to C8 α-olefin comonomer units having the following characteristics: a melt index from about 0.1 to about 15 g/10 min as determined at 190°C by ASTM D1238 under 2.16 kg and at 1...  
WO/2022/238352A1
Hot melt adhesive comprising a polar group-containing olefin copolymer having: number average molecular weight (M n ) between 10 to 50 kg/mol, preferably between 20 to 50 kg/mol, crystallinity (X c ) content below 30%, preferably below 1...  
WO/2022/234292A1
Compounds suitable for use in the polymerisation of olefins, such as ethylene, are described. Also described is a process for polymerising olefins using the described compounds. The compounds exhibit high polymerisation activities and af...  
WO/2022/228260A1
The present invention belongs to the field of olefin polymerization, and relates to a propylene-based copolymer, a preparation method therefor and the use thereof, and a polypropylene composition. The propylene-based copolymer may contai...  
WO/2022/229536A1
The invention relates to a copolymer of a 1,3-diene and an olefin, the copolymer bearing, at one of its chain ends, a functional group of formula -CH2-CH(CH3)-COOZ, wherein Z is a hydrogen atom or a carbon-containing group. The invention...  
WO/2022/229310A1
A catalyst composition for the polymerization of oelfinic monomers comprising a metal complex corresponding to the general formula (I) CyLMZp (I), wherein Cy represents a ligand that is bonded to the metal of the metal complex and the li...  
WO/2022/221049A1
Processes for making polypropylene homopolymers, random copolymers, and/or impact copolymers. A process for making an impact copolymer can include polymerizing propylene, or copolymerizing propylene and at least one other α-olefin comon...  
WO/2022/218903A1
31 ABSTRACT The present invention relates to a copolymer of ethylene and an C3 to C10 alpha-olefin, wherein the copolymer has a density of 850 to 920 kg/m3 measured according to ISO 1183, characterized by a Full Width at Half maximum (FW...  
WO/2022/214634A1
A metal complex of general formula (I):Cyc L M Zp (I),wherein M is a metal selected from the group consisting of titanium, zirconium, and hafnium; Cyc is a cyclic ligand selected from cyclopentadienyl, indenyl, and fluorenyl and which ma...  
WO/2022/214420A1
The invention relates to a solid catalyst system comprising a chromium compound, a silicon oxide support and a compound represented by the general formula (R4)2-N-R3 (I), wherein R4 is represented by R1-Al-OR2 wherein R1 is selected from...  
WO/2022/214880A1
A method of controlling long chain branching in an ethylene-based polymer includes polymerizing ethylene with one or more optional monomers to form an ethylene-based polymer, and controlling a degree of long chain branching (LCB) in the ...  
WO/2022/209138A1
The purpose of the present invention is to obtain a graft-modified ethylene/α-olefin copolymer that is suitable as an impact resistance improvement material for an engineering plastic such as a polyamide, and to obtain a polyamide compo...  
WO/2022/210844A1
[Problem] To provide an ethylene-α-olefin copolymer which has excellent moldability and can be molded into a molded article (particularly a film) having excellent mechanical strength and an excellent balance between transparency and blo...  
WO/2022/207551A1
Process of producing a polymer comprising (i) feeding a monomer stream (1) containing the monomers for producing the polymer into a reaction unit (4) containing at least a one reaction vessel where a reaction mixture containing solvent a...  
WO/2022/212236A1
Methods of propylene polymerization incorporate bis biphenyl-phenoxy procatalysts favoring polypropylene isotacticity at elevated reactor temperatures. The methods include polymerizing propylene in the presence of a catalyst system to pr...  
WO/2022/210843A1
[Problem] To provide an ethylene-α-olefin copolymer superior in formability and particularly superior in mechanical strength to conventional ones. [Solution] A copolymer of ethylene satisfying the following requirements (1) to (7) and Î...  
WO/2022/211091A1
The present invention is a method for producing an olefin-based catalyst, the method being characterized by polymerizing an olefin in the presence of a catalyst composition that contains a compound represented by general formula (A) or g...  
WO/2022/210845A1
[Problem] To provide an ethylene resin capable of producing by excellent moldability a molded body (especially a film) having excellent mechanical strength and an excellent balance of transparency and blocking resistance. [Solution] An e...  
WO/2022/200537A2
The invention relates to a process for the preparation of a heterophasic polypropylene resin in a multistage polymerisation process in the presence of a metallocene catalyst, said process comprising: (I) in a first polymerisation step, p...  

Matches 251 - 300 out of 12,612