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WO/2022/066550A1 |
A bimodal copolymer comprises on average at least 90 weight-percent units derived from ethylene and at least 0.05 weight percent units derived from an α-olefin comonomer having from 4 to 10 carbon atoms, wherein the copolymer has the pr...
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WO/2022/065885A1 |
The present invention provides: a method for producing a polyolefin elastomer copolymer, the method comprising the steps of (a) introducing ethylene gas, a Ziegler-Natta-type Ti-supported catalyst, and one type of liquid olefin monomer s...
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WO/2022/059764A1 |
Provided are ion-exchangeable layered silicate salt particles which have a catalytic activity and each of which has a novel fine porous structure that enables the improvement in the quality of a polymer. The ion-exchangeable layered si...
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WO/2022/059765A1 |
Provided is a method for producing ion-exchangeable layered silicate salt particles each of which has a large specific surface area and can be increased in the ratio of large meso-pores having sizes of larger than 10 nm and not larger th...
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WO/2022/059990A1 |
The present invention relates to a catalyst composition comprising: an imidazolium ion-based catalyst; and an aluminum-based co-catalyst, and to a method for preparing an isobutene-isoprene copolymer by using same.
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WO/2022/055234A1 |
The present invention provides a powder-type polypropylene resin and a method for preparing same, the powder-type polypropylene resin having improved flowability at a hopper and improved feeding stability in an extruder feeding zone, by ...
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WO/2022/053475A1 |
Process for the production of a polypropylene based article having improved surface tension retention, and polypropylene based article having improved surface tension.
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WO/2022/054547A1 |
This method for producing an iodine-containing compound comprises a process wherein a halogen-containing organic iodide compound and a compound having a reactive carbon-carbon double bond are caused to react with each other in the presen...
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WO/2022/051376A1 |
The disclosure relates to hydrogen mediated anionically polymerized conjugated diene compositions, including homopolymers and copolymers of isoprene and/or butadiene, and processes and compositions for preparing them.
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WO/2022/049467A1 |
The present disclosure relates to a process for preparation of disentangled ultra-high molecular weight isotactic polypropylene. The disentangled ultra-high molecular weight isotactic polypropylene of the present disclosure has a low ent...
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WO/2022/048630A1 |
Disclosed are a catalyst spherical carrier for olefin polymerization, a preparation method therefor and an application thereof, a catalyst and an application thereof, the carrier comprising at least one magnesium-containing compound havi...
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WO/2022/043385A1 |
The present invention relates to a film, preferably an unoriented film, comprising a polypropylene composition comprising a random copolymer of propylene monomer units and ethylene comonomer units, wherein the random copolymer has a cont...
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WO/2022/043842A1 |
A four component additive package that contains a first phosphite, a second phosphite, a primary antioxidant and an optical brightener is used in combination with a polyethylene that is polymerized with a mixed catalyst system that conta...
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WO/2022/045175A1 |
A purpose of the present invention is to provide a compound useful as a co-catalyst to be used in polymerization reactions of olefins, dienes, and acetylenes. According to the present invention, a fluorine-containing alkyl ammonium borat...
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WO/2022/045282A1 |
A polymerization catalyst composition which contains a rare earth carboxylate, a phosphoric acid ester represented by general formula (1) and water. (In the formula, each R independently represents an alkyl group having from 5 to 20 carb...
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WO/2022/044998A1 |
A curable resin composition including a polyimide precursor having a total content of a cyclic imide structure and a cyclic isoimide structure of 0.28-1.68 mmol/g and an acid value of 5.6-22.5 mgKOH/g; a cured object obtained by curing t...
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WO/2022/043785A1 |
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) of form ≥ -1.85...
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WO/2022/045770A1 |
The present invention relates to a method for preparing a polyolefin-polystyrene-based multiblock copolymer having a uniform structure and exhibiting excellent physical properties through continuous coordination polymerization and batch ...
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WO/2022/045232A1 |
A solid titanium catalyst component (I) according to the present invention is characterized by containing titanium, magnesium, halogen, and a cyclic polyvalent ester group-containing compound (a) given by formula (1).
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WO/2022/044999A1 |
Provided are: a curable resin composition comprising a polyimide precursor which has a group including an ethylenically unsaturated bond, or a polarity conversion group, has a total content of a cyclic imide structure and a cyclic isoimi...
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WO/2022/039425A1 |
The present invention provides: a pellet-type polyethylene resin composition that can simultaneously improve pipe pressure resistance, dimensional stability, and processability; and a method for preparing same.
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WO/2022/039418A1 |
The present invention relates to: a catalyst which is for polymerizing olefins and contains a hybrid transition metal compound, and from which various polyolefins having excellent processability and mechanical properties can be produced;...
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WO/2022/035484A1 |
In some embodiments, a process includes introducing a catalyst solution, via a first line, into a reactor. The catalyst solution includes a catalyst and a first non- aromatic diluent. The process includes introducing an activator solutio...
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WO/2022/036044A1 |
The invention relates to compositions comprising at least one cyclic olefin monomer, optionally at least one linear olefin monomer, at least one thermoplastic hydrocarbon resin, and at least one olefin metathesis catalyst. The invention ...
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WO/2022/035585A1 |
This invention relates to a process to produce cyclic olefin containing polymer compositions using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate don...
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WO/2022/035132A1 |
The present invention relates to a method for preparing a supported metallocene catalyst, a supported metallocene catalyst, and a method for preparing polyolefin by using same. According to the present invention, provided are: a method f...
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WO/2022/030768A1 |
The present invention relates to a hybrid supported metallocene catalyst and a method for preparing polypropylene using same, the catalyst having high activity for propylene polymerization, introducing a long chain branch into a polyprop...
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WO/2022/031654A1 |
A hydrosilation curable composition comprising a hydridosilyl compound, a mono-vinyl compound having a molecular weight above 100, preferably above 200, a di-vinyl compound, a hydrosilation catalyst, and a thermally conductive filler is ...
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WO/2022/029213A1 |
The present invention relates to a process for the preparation of long chain branched ethylene polymers via the polymerization, preferably slurry polymerisation, of ethylene in the presence of a catalyst system comprising a bridged metal...
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WO/2022/029249A1 |
The present application relates to a novel polymerizable foam composition, particularly for use in a 2K aerosol can system, comprising a reactive precursor mixture containing a passivated organoborane radical initiator, in particular an ...
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WO/2021/259337A9 |
Provided in the present invention are extra-high to ultra-high molecular weight polyethylene particles and a catalyst for preparing same. Specifically, provided in the present invention is particles having the following characteristics: ...
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WO/2022/028951A1 |
The present invention relates to a novel process for preparing high-reactivity isobutene homo-or copolymers.
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WO/2022/030769A1 |
The present invention relates to a transition metal compound, a method for preparing same, and a catalyst composition comprising same, wherein the transition metal compound shows high activity and high copolymerizability in olefin polyme...
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WO/2022/031397A1 |
In various embodiments, a bimodal polyethylene may include a high molecular weight component and a low molecular weight component. The bimodal polyethylene may have a density of from 0.933 grams per centimeter (g/cm3) to 0.960 g/cm3, a m...
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WO/2022/029212A1 |
The present invention relates to a process for the preparation of long chain branched propylene polymers via a polymerization of propylene, preferably under slurry or bulk conditions, in the presence of a catalyst system comprising a sup...
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WO/2022/031398A1 |
In various embodiments, a thermoplastic composition may comprise from 0.5 wt.% to 75.0 wt.% of recycled polyethylene comprising a blend of polyethylene recovered from post-consumer material, pre-consumer material, or combinations thereof...
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WO/2022/024549A1 |
A method for producing a cycloolefin copolymer is provided in which monomers comprising a norbornene monomer and ethylene can be copolymerized while inhibiting the formation of impurities such as polyethylene and an excessive rise in mol...
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WO/2022/018293A1 |
A racemic metallocene complex of formula (I') wherein each X is a sigma donor ligand; L is a carbon, silicon or germanium based divalent bridge in which one or two backbone atoms link the ligands; M is Ti, Zr or Hf; each Het is independe...
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WO/2022/018278A1 |
There is provided a method for treating a surface comprising heating the object and the object with a solution comprising a thermal initiator and a polymerizable molecule, wherein the polymerizable molecule reacts with the surface and fo...
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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/2022/019628A1 |
The present invention relates to: a novel imine group-containing compound that is easy to use as a polymer modifier; a modified conjugated diene-based polymer which, by comprising a functional group derived therefrom, has excellent affin...
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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/2022/011812A1 |
The present invention relates to the field of olefin polymerization reactions, and provides a magnesium ethoxide carrier and a preparation method therefor, and a magnesium ethoxide carrier Ziegler-Natta catalyst, a preparation method the...
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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/2022/015368A1 |
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/2022/014298A1 |
An object of the present invention is to provide a solid catalyst component for polymerization of an olefin that has a polymerization activity equivalent to or higher than that of the case using a solid catalyst component in which a phth...
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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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