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WO/2021/053294A1 |
The invention relates to a copolymer of ethylene and a 1,3-diene of formula CH2=CR-CH=CH2, said copolymer having a silanol or alkoxysilane functional group, and the symbol R representing a hydrocarbon chain having 3 to 20 carbon atoms. S...
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WO/2021/053051A1 |
The invention relates to a terpolymer of ethylene, a first 1,3-diene which has 4 to 6 carbon atoms, and a second 1,3-diene of formula CH2=CR-CH=CH2, said terpolymer containing more than 50 mol % of ethylene units and at least 1 mol % of ...
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WO/2021/054363A1 |
The present invention provides a fluorine-containing copolymer which contains (a) a tetrafluoroethylene unit, (b) an ethylene unit and (c) a hexafluoropropylene unit, wherein: the content ratio of the hexafluoropropylene unit (c) in all ...
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WO/2021/048030A1 |
The present invention relates to compounds according to formula I, wherein: R1 is a cyclopentadienyl moiety or a moiety comprising a cyclopentadienyl ring structure; R2 is a moiety M(R5)2 or MR5, wherein M is a metal selected from hafniu...
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WO/2021/047918A1 |
The present invention relates to a continuous high-pressure polymerization process for the preparation of a liquid ethylene copolymer which comprises in polymerized form ethylene; and more than 10 wt% of a reactive acrylate which is sele...
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WO/2021/047049A1 |
The present invention relates to a system and process for strengthening ethylene polymerization. The system comprises: a feeding unit; a reaction unit connected to the feeding unit; a micro-interface generator provided in the feeding uni...
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WO/2021/047920A1 |
An injection molded article comprising a propylene based composition comprising: Tl) from 90 wt % to 50 wt% of a propylene homopolymer; T2) from 10 wt % to 50 wt% of a polymer composition comprising: A) 5-35% by weight of a propylene hom...
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WO/2021/047035A1 |
The present invention relates to an enhancing system and a process for preparing polyethylene on basis of a solution method, comprising: an ethylene storage tank, a reactor, a micro-interface generator, a killer, a desolvation tank, a re...
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WO/2021/045889A1 |
Provided herein are methods of polymerizing α-olefin monomer with a catalyst and hydrogen in a slurry to produce low molecular weight polyolefins. Hydrogen is vented from the low molecular weight polyolefins and then the low molecular w...
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WO/2021/040139A1 |
The present invention relates to an olefinic copolymer and a preparation method therefor, the olefinic copolymer having a weight average molecular weight enabling a high soluble fraction at a low temperature, and thus having high fluidit...
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WO/2021/040384A1 |
The present invention relates to: a catalyst composition comprising an oxonium ion-based catalyst and an additive; and a method for preparing hydrocarbon resin by using same.
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WO/2021/041218A1 |
In an aspect, a graft copolymer comprises a semi-crystalline base polymer having an amorphous domain and a crystalline domain; wherein the semi-crystalline base polymer comprises an abstractable hydrogen; and a grafted polymer selectivel...
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WO/2021/040425A1 |
The present invention relates to a polypropylene-based composite having improved physical properties such as impact strength at a low temperature and room temperature, flexural strength, and flexural modulus, and a method for producing s...
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WO/2021/033738A1 |
A lens having high quality even after a long-term storage can be produced using a curable composition comprising a compound represented by general formula A, a compound represented by general formula B and a polymerization initiator, whe...
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WO/2021/034554A1 |
Ethylene polymers having a density from 0.908 to 0.925 g/cm3, a melt index from 0.5 to 3 g/10 min, a ratio of Mw/Mn from 2 to 4, a ratio of Mz/Mw from 1.6 to 2.3, a CY-a parameter from 0.45 to 0.6, and an ATREF profile characterized by a...
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WO/2021/034459A1 |
The present disclosure provides catalyst compounds comprising asymmetric bridged metallocenes containing a ligand having at least one saturated ring, catalyst systems including such compounds, and uses thereof. Catalyst compounds of the ...
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WO/2021/033914A1 |
The present invention relates to a polyethylene resin composition for an artificial turf yarn and an artificial turf yarn using same and, more specifically, to a technique in which a first metallocene polyethylene resin is mixed with a s...
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WO/2021/028159A1 |
The invention relates to a multimodal ethylene polymer which has a density of 0.955 to 0.960 g/cm3 at 23 °C, a melt flow index as measured according to ISO1133-1:2011 at 190 ºC and 5 kg of 0.9 to 1.7 dg/min and a ratio of Mz/Mw of at l...
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WO/2021/030045A1 |
A process for making a poly alpha-olefin (PAO) having high vinylidene content (or combined vinylidene and tri-substituted vinylene content) and low vinyl and/or di- substituted vinylene content, as well as a relatively low molecular weig...
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WO/2021/023924A1 |
The invention concerns a diblock polymer consisting of a first block and a second block, the first block being a random copolymer comprising units of a 1,3-diene and more than 50 mol% of ethylene units, the second block being a polyethyl...
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WO/2021/025904A1 |
The present disclosure provides metallocene catalyst compounds including at least one -Si- containing linker, catalyst systems including such compounds, and uses thereof. Catalyst compounds of the present disclosure can be hafnium-contai...
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WO/2021/025977A1 |
A rubber compound suitable for making industrial conveyor belts and power transmission belts may comprise: 100 parts by weight per hundred parts by weight rubber (phr) of a rubber; and 1 phr to 30 phr of a propylene-α-olefin-diene (PE(D...
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WO/2021/022534A1 |
Provided is an aqueous dispersion based on ethylene-vinyl ester copolymers. The aqueous polymer dispersion features good long term storage stability, and weakens water mark phenomenon on the coating film when it is used in waterborne arc...
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WO/2021/020778A1 |
The present invention relates to: a transition metal compound for an olefin polymerization catalyst; and an olefin polymerization catalyst including same. Specifically, the present invention relates to: a transition metal compound for an...
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WO/2021/022011A1 |
The catalyst system includes a heterogeneous procatalyst, an electron donor, and a hydrogenation procatalyst. The heterogeneous procatalyst includes a titanium species, an aluminum species, and a magnesium chloride component. The hydroge...
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WO/2021/021473A1 |
Ethylene-based polymers having a density of 0.952 to 0.965 g/cm3, a high load melt index (HLMI) from 5 to 25 g/10 min, a weight-average molecular weight from 275,000 to 450,000 g/mol, a number-average molecular weight from 15,000 to 40,0...
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WO/2021/021792A1 |
The catalyst system includes a heterogeneous procatalyst and a hydrogenation procatalyst. The heterogeneous procatalyst includes a titanium species, an aluminum species, and a magnesium chloride component. The hydrogenation procatalyst h...
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WO/2021/019370A1 |
An ethylene copolymer composition comprises: a first ethylene copolymer having a density of from 0.855 to 0.913 g/cm3, a molecular weight distribution, Mw/Mn of from 1.7 to 2.3, and a melt index, I2 of from 0.1 to 20 g/10min; a second et...
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WO/2021/022014A1 |
Processes of polymerizing olefin monomers and catalyst systems. The catalyst systems include a non-hydrogen-generating post-metallocene procatalyst; a co-catalyst; and a hydrogenation procatalyst having the formula Cp2TiXnTiCp2 or Cp2TiX...
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WO/2021/021709A1 |
The present disclosure provides an ethylene-based polymer. The ethylene-based polymer is formed from reacting, under polymerization conditions, ethylene monomer and bisallyl maleate ("BAIIM"). The present ethylene-based polymer with ethy...
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WO/2021/013552A1 |
The present invention relates to a polyethylene composition comprising a base resin, wherein the base resin comprises (A) a first ethylene-1-butene copolymer fraction (A) having a 1-butene content of from 0.5 wt% to 7.5 wt%, based on the...
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WO/2021/015458A1 |
The present invention relates to a transition metal compound for an olefin polymerization catalyst and an olefin polymerization catalyst comprising same. In particular, the present invention relates to a transition metal compound for an ...
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WO/2021/014244A1 |
A dual reactor solution process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which have good processability, toughness, and environmental stress crack resistance. ...
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WO/2021/011632A1 |
This invention relates to a supported catalyst system comprising a first iron based catalyst, a second group 4 metal catalyst, a support material, and an activator; wherein the first catalyst is represented by Formula (I) and the second ...
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WO/2021/009189A1 |
The present invention concerns a process for producing a polymer composition characterized in that a first ethylene polymer component (A) is obtained in a first polymerization zone by polymerization conducted in slurry in the presence of...
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WO/2021/011900A1 |
A pressure-sensitive adhesive may comprise: about 18 wt% to about 90 wt% of a propylene- ethylene(-diene) (PE(D)M) copolymer; about 10 wt% to about 65 wt% of a tackifier; and 0 wt% to about 40 wt% of an oil. The PE(D)M copolymer may comp...
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WO/2021/009192A1 |
The present invention concerns a process for producing a polymer composition, characterized in that a first ethylene polymer component (A) is obtained in a first polymerization zone by polymerization conducted in slurry in the presence o...
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WO/2021/011638A1 |
The present disclosure relates to silyl-bridged pyridylamide transition metal complexes and catalyst systems including silyl-bridged pyridylamide transition metal complexes and their use in polymerization processes to produce polyolefin ...
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WO/2021/009191A1 |
The present invention concerns a process for producing a polymer composition characterized in that a first ethylene polymer component (A) is obtained in a first polymerization zone by polymerization conducted in slurry in the presence of...
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WO/2021/011883A1 |
An elastomeric composition suitable for use in belts like transmission belts may comprise: from 5 to 100 phr of a propylene-α-olefin-diene (PEDM) terpolymer comprising 80 wt% to 97.5 wt% propylene, 2.5 wt% to 20 wt% a-olefin, and 0.5 wt...
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WO/2021/009190A1 |
The present invention concerns aprocess for producing a polymer composition characterized in that a prepolymer based on ethylene (P) is obtained in a prepolymerization zone by polymerization conducted in slurry in the presence of ethylen...
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WO/2021/011892A1 |
The present disclosure provides methods for producing an olefin polymer by contacting a C3-C40 olefin and ethylene with a catalyst system including an activator and a metallocene catalyst compound comprising a substituted or unsubstitute...
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WO/2021/009274A1 |
The invention relates to an ethylene copolymer obtained by copolymerizing ethylene and an ion pair compound consisting of a cation of formula (I) and an anion selected from formulas (II), (III), (IV) and (V), wherein (I) where R1 = H or ...
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WO/2021/005094A1 |
A process for the solution polymerization of a polymer from an α-olefin monomer and one or more α-olefin comonomers in the presence of a catalyst, the process having a catalyst performance index (CPI) not higher than 15, wherein the ca...
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WO/2021/001176A1 |
The present invention relates to a propylene polymer composition comprising a long chain branched propylene polymer, wherein said propylene polymer composition has a) a crystallization temperature Tc of less than 115°C, b) a melting tem...
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WO/2020/263681A1 |
The present disclosure provides a process. In an embodiment, the process includes providing a neat ethylene/propylene/non-conjugated polyene terpolymer (n-terpolymer) having a Mooney viscosity (ML (1 +4) at 125C) less than 100 Mooney uni...
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WO/2020/262482A1 |
An ionomer-including resin composition for a film and a molded body that is molded using said resin composition, said resin composition being characterized in that at least a portion of carboxyl groups and/or dicarboxylic anhydride group...
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WO/2020/262481A1 |
The present invention provides a resin composition for injection molding or compression molding, said resin composition using an ethylene ionomer that has excellent impact strength, heat resistance and long-term durability. A resin com...
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WO/2020/263790A1 |
Processes of polymerizing olefin monomers using catalyst systems comprising a procatalyst having a structure according to Formula (I).
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WO/2020/260021A1 |
Described herein is a process for producing a propylene copolymer in at least a pre-polymerization stage, a first and a second reaction stage connected in series with improved monomer recovery, wherein a product stream, comprising a prop...
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