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WO/2022/018290A1 |
The invention provides a process for the preparation of a multimodal ethylene polymer in a multistage process in the presence of a catalyst comprising a complex of formula (lx) wherein each X is a sigma donor ligand; each Het is independ...
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WO/2022/018239A1 |
The present invention relates to a new multimodal ethylene copolymer (P), to the use of the copolymer in film applications and to a film comprising the copolymer of the invention.
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WO/2022/020025A1 |
In some embodiments, a polyethylene composition includes has 80 wt% to 99.9 wt% ethylene content and 20 wt% to 0.1 wt% a C3 to C40 α-olefm comonomer content, based on ethylene content plus comonomer content. The composition has a Mw/Mn ...
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WO/2022/015369A1 |
Processes of polymerizing olefin monomers. The process comprising reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: an activator; hydrocarbyl-modifie...
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WO/2022/016171A1 |
Polymerization processes for producing ethylene-based plastomers and elastomers having densities less than 0.91 g/cm3 utilize a metallocene-based catalyst system containing a chemically-treated solid oxide. These polymerization processes...
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WO/2022/015370A1 |
Processes of polymerizing olefin monomers. The process includes reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: modified-hydrocarbyl methylaluminox...
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WO/2022/014599A1 |
Provided are a varnish having a low viscosity and, obtained therefrom, a cured body that exhibits a high degree of crosslinking and is excellent in terms of low dielectric properties, high temperature mechanical properties and low coeffi...
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WO/2022/015547A1 |
Propylene and butene random copolymers are disclosed that have excellent stiffness properties and excellent transparency characteristics especially when combined with one or more nucleating agents. The propylene-butene copolymers can be ...
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WO/2022/015368A1 |
Processes of polymerizing olefin monomers. The process comprising reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: hydrocarbyl-modified methylalumin...
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WO/2022/013055A1 |
The present invention relates to an adhesive polyethylene composition comprising (A) from 60 to 90 wt% of a non-elastomeric polyethylene being a terpolymer of ethylene with two different alpha-olefin comonomer units selected from alpha-o...
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WO/2022/013711A1 |
A medium pressure solution phase polymerization process is provided in which the amount of long chain branching present in an ethylene/1-octene copolymer is controlled with a bridged hafnocene polymerization catalyst in the presence of d...
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WO/2022/013054A1 |
The present invention relates to an adhesive polyethylene composition comprising (A) from 60 to 90 wt% of a non-elastomeric polyethylene; (B) from 9.0 to 38 wt% of an ethylene based elastomer being a copolymer of ethylene and alpha-olefi...
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WO/2022/015564A1 |
Propylene and butene random copolymers are disclosed that have excellent stiffness properties, low xylene soluble content, and excellent transparency characteristics especially when combined with one or more nucleating agents. The propyl...
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WO/2022/015094A1 |
The present invention pertains to: a novel transition metal compound that exhibits excellent catalytic activity in polyethylene polymerization and is useful for the production of polyethylene having a high content of short-chain branches...
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WO/2022/015367A1 |
Processes of polymerizing olefin monomers. The process includes reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: hydrocarbyl-modified methylaluminox...
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WO/2022/015627A2 |
Polypropylenes and impact copolymers with low organic volatiles. The impact copolymers comprising a polypropylene and within a range from 5 wt% to 40 wt% of an ethylene -propylene copolymer or rubber, by weight of the impact copolymer; w...
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WO/2022/008434A1 |
Use of a compatibilizer (B) for upgrading a polypropylene-polyethylene blend (A) comprising (A-1 ) polypropylene and (A-2) polyethylene wherein the weight ratio of polypropylene (A-1 ) to polyethylene (A-2) is in the range from 19:1 to 1...
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WO/2022/001018A1 |
Provided are an anti-floating fiber agent and a preparation method therefor, the anti-floating fiber agent being PB-1-g-MAH. Also provided are an anti-floating fiber polypropylene reinforced composite material and a preparation method th...
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WO/2022/004529A1 |
The present invention addresses the problem of providing: a production method for a cyclic olefin copolymer with which it is possible to efficiently produce a cyclic olefin copolymer by copolymerizing monomers containing a norbornene mon...
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WO/2022/005257A1 |
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 1.0-10.0 g/10 min; (2) a density (d) of 0.875-0.895 g/cc; (3) 0.5 J/g≤dH(100)≤3.0 ...
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WO/2022/003499A2 |
An ethylene copolymer comprising ethylene and at least one alpha olefin having from 4 to 8 carbon atoms has a density of from 0.940 to 0.960 g/cm3, a molecular weight distribution, Mw/Mn of from 9 to 12, and a Z-average molecular weight,...
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WO/2021/262842A1 |
This invention relates to a copolymer comprising units derived from ethylene, an α-olefm, a non-conjugated diene, and an aryl-substituted cycloalkene composition and blends thereof. Processes to produce the copolymer and uses of the cop...
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WO/2021/262838A1 |
This invention relates to a copolymer comprising units derived from ethylene, an α-olefin, a non- conjugated diene, and a substituted styrene compound.
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WO/2021/254972A1 |
The present invention relates to a method for preparing a catalyst, and in particular provides a method for preparing a catalyst suitable for the polymerisation of ethylene and/or propylene, said catalyst comprising a compound of yttrium...
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WO/2021/257335A1 |
A combination comprises two propylene-based polymers which can provide flexibility in adjusting shrinkage rate of components comprising such combination.
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WO/2021/257264A1 |
This invention relates to a method comprising contacting C3-C32 alpha olefin with catalyst system comprising activator and catalyst of the formula wherein: M is Hf or Zr; T is a bridging group; each X is independently a leaving group; R1...
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WO/2021/253032A1 |
Ethylene-based polymers are characterized by a melt index less than 1 g/10 min, a density from 0.94 to 0.965 g/cm3, a Mw from 100,000 to 250,000 g/mol, a relaxation time from 0.5 to 3 sec, and an average number of long chain branches (LC...
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WO/2021/250054A1 |
It is provided a process for producing an ethylene copolymer comprising compressing ethylene monomer at a certain pressure; adding a fresh comonomer in liquid form and, optionallly, a fresh modifier in liquid form at a certain pressure t...
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WO/2021/247244A2 |
The present disclosure provides a catalyst system comprising the product of a catalyst compound capable of making crystalline material (such as isotactic PP) and a second catalyst compound capable of making non-diene-containing-amorphous...
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WO/2021/242678A1 |
In various embodiments, a bimodal polyethylene composition may have a density (ρ) from 0.952 g/cm3 to 0.957 g/cm3, a high load melt index (I21) from 1 to 10 dg/min, and a z-average molecular weight (Mz(GPC)) from 3,200,000 to 5,000,000 ...
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WO/2021/243158A1 |
Embodiments of the present disclosure directed towards converting a non-metallocene precatalyst into a productivity enhanced non-metallocene catalyst. As an example, the present disclosure provides a method of making an productivity enha...
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WO/2021/243222A1 |
Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (I):
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WO/2021/243211A1 |
Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (I): [Formula I].
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WO/2021/243213A1 |
Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (I): [Formula I]
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WO/2021/242795A1 |
A method of making an attenuated-light-off post-metallocene catalyst, the method comprising combining a faster-light-off catalyst with an effective amount of a kinetics modifier compound of formula (A1), (B1), or (C1): R5-C≡C-R6 (A1), ...
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WO/2021/243216A1 |
Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (Ia):
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WO/2021/243145A1 |
Embodiments of the present disclosure directed towards converting a unimodal ligand-metal precatalyst into a bimodal ligand-metal catalyst. As an example, the present disclosure provides a method of chemically converting a unimodal ligan...
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WO/2021/243214A1 |
Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (I):
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WO/2021/242792A1 |
A method of making an attenuated-light-off post-metallocene catalyst, the method comprising combining a faster-light-off catalyst with an effective amount of a kinetics modifier compound of formula (A1), (B1), or (C1): R5-C≡C-R6 (A1), ...
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WO/2021/239827A1 |
The present invention relates to a polypropylene composition comprising a propylene random copolymer having - a melt flow rate MFR2 (230°C/2.16kg) measured according to ISO 1133 of 15 to 40 g/10min, - a melting temperature Tm as determi...
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WO/2021/233770A1 |
Blown films based on a blend of a C2C3 random copolymer and a C2-based plastomer, which combine low sealing initiation temperature (SIT), good optical properties and an improved stiffness/impact balance, and which also show an excellent ...
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WO/2021/236322A1 |
Extrusion blow molded containers and processes for making same. In some embodiments, the container can include a body that can have a top, a bottom, and a sidewall connected to the top and bottom. The body can define a volume. A first se...
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WO/2021/233820A1 |
Mixed-plastic-polyethylene composition having a melt flow rate (ISO 1133, 2.16 kg, 190 °C) of from 0.2 to 0.7 g/10 min; and a density of from 956 to 965 kg/m³, preferably from 958 to 964 kg/m³.
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WO/2021/234042A1 |
A multimodal polyethylene composition having a lower molecular weight (LMW) ethylene homo or copolymer component (A) and a higher molecular weight ethylene copolymer component (B); wherein the lower molecular weight component comprises: ...
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WO/2021/234040A1 |
A multimodal polyethylene composition having a lower molecular weight (LMW) ethylene homo or copolymer component (A) and a higher molecular weight ethylene copolymer component (B); wherein the LMW component comprises two fractions (ai) a...
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WO/2021/229358A1 |
An ethylene interpolymer product comprises from 40 to 80 weight % of a first ethylene interpolymer having a molecular weight distribution index of Formula (I), and, from 20 to 60 weight % of a second ethylene interpolymer having a molecu...
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WO/2021/228735A1 |
The present invention relates to an ultra-high molecular weight polyethylene (UHMWPE) powder having a BET specific surface area of ≥ 0.50 m2/g as determined in accordance with ISO 9277 (2010). Such UHMWPE powder allows for preparation ...
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WO/2021/227920A1 |
Disclosed are a propylene polymerization catalyst, a propylene polymerization catalyst system, a preparation therefor and the use thereof. The propylene polymerization catalyst comprises: an active-state magnesium halide, a titanium comp...
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WO/2021/224846A1 |
This disclosure relates to ethylene interpolymer products comprising a Melt Flow-Intrinsic Viscosity Index value, MFIVI, of from ≥ 0.05 to ≤ 0.80; a first derivative of a melt flow distribution function, formula (I) at a loading of 4...
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WO/2021/226423A1 |
Processes of polymerizing olefins. The process includes polymerizing contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presence of a catalyst system comprising a procatalyst and a bimetallic activator complex. The bimetalli...
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