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WO/2021/070036A1 |
Rotomolded articles, especially flexible rotomolded articles are made from an ethylene interpolymer product having a melt index, I2 of from 2.5 to 8.0 g/10min, a density of from 0.905 to 0.920 g/cm3; and a Dilution Index, Yd, greater tha...
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WO/2021/071165A1 |
An aqueous dispersion composition according to embodiments of the present invention comprises: an ethylene-carboxylic acid copolymer; an anti-blocking agent containing a polymer wax which is contained in an amount of 5 weight% or more on...
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WO/2021/071154A1 |
The present invention provides: polyethylene exhibiting an improved low temperature sealing property through an increase in the amount and molecular weight of a low crystalline polymer; and a preparation method therefor.
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WO/2021/066579A1 |
The present invention provides a hybrid supported metallocene catalyst and a process for preparing a polyethylene copolymer using same, the hybrid supported metallocene catalyst being useful for preparing a polyethylene copolymer enablin...
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WO/2021/067148A1 |
Disclosed are metallocene compounds, catalyst compositions comprising at least one metallocene compound, processes for polymerizing olefins, methods for making catalyst compositions, olefin polymers and articles made from olefin polymers...
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WO/2021/064081A1 |
The present invention relates to use of optionally monosubstituted 2,2- di(tetrahydrofuryl)methanes, as internal donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The present disclosure further concerns Zieg...
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WO/2021/066488A1 |
The present invention relates to a polypropylene-based composite material comprising: (A) polypropylene; and (B) an olefin-based polymer satisfying the requirements of: (1) a melt index (MI, 190°C and 2.16 kg load conditions) of 0.1-10....
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WO/2021/064474A1 |
A polymer composition may include a polymer produced from ethylene, one or more branched vinyl ester monomers, and optionally, vinyl acetate; wherein the polymer has a number average molecular weight ranging from 5 to 10,000 kDa, and a m...
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WO/2021/064546A1 |
The copolymerization of ethylene with an optional comonomer is conducted in the presence of a catalyst having a specific aryloxy ether ligand structure. The process enables very high conversions of ethylene to polyethylene at very short ...
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WO/2021/064545A1 |
The copolymerization of ethylene with an optional comonomer is conducted in the presence of a catalyst having a specific aryloxy ether ligand structure. The process enables very high conversions of ethylene to polyethylene at very short ...
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WO/2021/064078A1 |
The present invention relates to optionally substituted 1,3-dimethoxypropanes and 3- methoxypropylamines, and more particularly to their use as internal donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The ...
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WO/2021/064080A1 |
The present invention relates to substituted 2-isopropyl-1,3-dialkoxypropanes, and more particularly to their use as internal donors in Ziegler-Natta catalysts to obtain ethylene (co)polymers with desirable properties The present disclos...
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WO/2021/067184A1 |
Processes of polymerizing olefins include contacting ethylene, a (C3-C40)alpha-olefin comonomer, and a solvent in the presence of a chain transfer agent and a catalyst system, the catalyst system comprising a metal-ligand complex accordi...
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WO/2021/066437A1 |
The present invention provides an ethylene/1-hexene copolymer having excellent long-term properties and processability so as to be useful in the manufacture of a high-pressure-resistant heating pipe, a PE-RT pipe, a large-diameter pipe, ...
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WO/2021/064473A1 |
A polymer composition may include a polymer produced from ethylene, and one or more vinyl carbonyl monomers having the general structure (I), where R1, R2 and R3 are independently selected from a group consisting of hydrogen, halogen, hy...
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WO/2021/066491A1 |
The present invention relates to a polypropylene-based composite material comprising: (A) polypropylene; and (B) an olefin-based polymer satisfying the requirements of: (1) a melt index (MI, 190°C and 2.16 kg load conditions) of 0.1-10....
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WO/2021/066486A1 |
The present invention relates to an olefin-based polymer satisfying the requirements of: (1) a melt index (MI, 190°C and 2.16 kg load conditions) of 0.1-10.0 g/10 min; (2) a density (d) of 0.860-0.880 g/cc; and (3) T(90)-T(50)≤50 and ...
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WO/2021/064083A1 |
The present invention relates to tetrahydrofurfuryl derivatives and more particularly to their use as internal electron donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The present disclosure further concer...
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WO/2021/065669A1 |
Provided is an acrylic rubber, which comprises acrylic acid alkyl ester units, crosslinking-point monomer units, bifunctional monomer units represented by formula (A-1), and ethylene units. The acrylic rubber has a toluene-insoluble cont...
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WO/2021/066490A1 |
The present invention relates to an olefin-based polymer meeting the requirements that (1) the melt index (MI, a condition of 190°C and a load of 2.16 kg) is 0.1-10.0 g/10 min, (2) the melting temperature in differential scanning calori...
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WO/2021/058742A1 |
A heterophasic polypropylene copolymer having an MFR2 of 0.05 to 20 g/10min (ISO 1133 at 230°C with a loading of 2.16 kg) and a melting point (Tm) of 156 to 164°C (measured by DSC according to ISO 11357) wherein the heterophasic polypr...
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WO/2021/058740A1 |
A metallocene complex of formula (I): each X is a sigma-ligand; in the group R2Si- at least one R is methyl or ethyl, and the other R is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl or isobutyl, pentyl, hexyl, cyclohexyl and...
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WO/2021/060917A1 |
The present invention relates to: an ethylene/α-olefin copolymer having a reduced stress relaxation time while simultaneously having a high weight average molecular weight and a narrow molecular weight distribution, thereby exhibiting e...
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WO/2021/061577A1 |
A composition comprising a first composition and a second composition, and wherein the first composition comprises a first ethylene/alpha-olefin/nonconjugated polyene interpolymer and a second ethylene/alpha-olefin/nonconjugated polyene ...
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WO/2021/056858A1 |
Disclosed are a propylene copolymer, a preparation method therefor, and an application thereof. The copolymer forms a cross-linked network by means of a reaction between a furan-containing propylene copolymer and a small molecule of a co...
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WO/2021/061580A1 |
The invention provides a composition comprising an interpolymer composition, and wherein the interpolymer composition comprises a first ethylene/alpha-olefin/nonconjugated polyene interpolymer; and a second ethylene/alpha-olefin/nonconju...
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WO/2021/053295A1 |
The invention relates to an ethylene copolymer and a 1,3-diene copolymer of formula CH2=CR-CH=CH2, said copolymer having an amine function, and the symbol R representing a hydrocarbon chain having 3 to 20 carbon atoms. Such a copolymer i...
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WO/2021/053296A1 |
The invention relates to a rubber composition containing a reinforcing filler, a crosslinking system and more than 50 to 100 phr of an elastomer that is an ethylene copolymer and of a 1,3-diene CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2020/157171A9 |
New bimodal propylene terpolymer, which combines low sealing initiation temperature (SIT), high melting temperature, good processability and good optical properties, like low haze, its use and articles made therefrom.
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WO/2021/053396A1 |
Method for the preparation of a composition enriched in 2-methyl-but-2-ene and use for making a polymer.
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WO/2021/052797A1 |
The present invention relates to compounds according to formula I wherein: • each R1-R10 may individually be H, a halogen, an alkoxy moiety, a siloxy moiety, a nitrogen-containing moiety, an alkyl moiety, an aryl moiety, or an aralkyl ...
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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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