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WO/2023/140586A1 |
The present invention relates to a method for preparing a diene-based rubbery polymer, the method comprising the steps of: initiating the polymerization of monomers in the presence of a coordinating metal catalyst; and introducing a radi...
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WO/2023/130029A1 |
Embodiments of this disclosure includes processes of polymerizing a multi-modal polyethylene polymer. The process includes contacting ethylene and optionally one or more α-olefin monomers with at least two catalyst systems in a solution...
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WO/2023/130032A1 |
Embodiments of processes of making a multimodal ethylene-based copolymer may include contacting, in a solution polymerization reactor system at a reactor temperature of greater than or equal to 150 °C, at least two olefinic monomers in ...
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WO/2023/124965A1 |
The present application provides a catalyst for copolymerization of ethylene and methyl methacrylate, and an application of the catalyst. The catalyst comprises a main catalyst, and the main catalyst is obtained by compounding a compound...
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WO/2023/126898A1 |
The present invention provides combinations and compositions comprising (1) copper-based fungicide, (2) azole fungicide and (3) compatibility agent, preferably wherein the compatibility agent is a compound (I) selected from the group con...
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WO/2023/126844A1 |
The present invention relates to a metal-ligand complex having significantly improved high-temperature activity due to an increase in resistance of a catalyst to impurities such as oxygen and moisture and stability through introduction o...
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WO/2023/124790A1 |
The present invention provides a hollow container blow molding material, and a preparation method therefor and the use thereof. The preparation method comprises: introducing a first portion of ethylene into a first reactor, and subjectin...
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WO/2023/124896A1 |
The present invention provides a silane compound, a catalyst composition, a preparation method therefor and an application thereof. The silane compound has a structure as shown in the following general formula (I), wherein R1 and R2 are ...
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WO/2023/126845A1 |
Provided are a transition metal compound, a catalyst composition including the same, and a method for preparing an olefin polymer using the same. The transition metal compound of the present invention in which a specific functional group...
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WO/2023/123884A1 |
Disclosed in the present invention are a tetraaryl ethoxy side-chain mono-metallocene compound, a catalyst system containing same, and a polyolefin synthesis method using same. The structural formula of the tetraaryl ethoxy side-chain mo...
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WO/2023/124996A1 |
A sulfur-containing chiral bridged metallocene compound is the compound represented by a general formula (I). Wherein, R1 is selected from one of 4-substituted phenyl or 2-naphthyl; R2, and R3 are selected from the alkyls; M is selected ...
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WO/2023/124895A1 |
The present invention provides an olefin polymerization catalyst, a catalyst composition, a preparation method therefor and the use thereof. The preparation method for the olefin polymerization catalyst comprises the following steps: (1)...
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WO/2023/124240A1 |
Disclosed in the present invention are a fusible polytetrafluoroethylene resin and a preparation method therefor. The preparation method comprises the following steps: S1: adding deionized water, an organic solvent, a surfactant and a ch...
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WO/2023/129959A1 |
Embodiments of the present disclosure are directed to polymers, wherein the polymers comprise hydrogenated 1,4-polybutadiene having a cis content of about 50% to about 96%, a vinyl content of about 0% to about 1%, and a trans content of ...
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WO/2023/119029A1 |
Thermally de-bondable adhesives are formed from curable compositions that have a two-stage curing mechanism. The first stage of curing forms a pressure sensitive adhesive and the second stage of curing, reduces the adhesion of the adhesi...
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WO/2023/120672A1 |
This method is for producing a cyclic olefin copolymer containing constituent units derived from a norbornene monomer and constituent units derived from ethylene, the method including at least: a charging step for charging hydrogen and m...
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WO/2023/119061A1 |
The present disclosure describes ethylene/α-olefin copolymer products with a density from 0.865 to 0.905 g/cm3 characterized as having unique rheological fingerprint during their transition from a solid state into a fully molten state. ...
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WO/2023/122078A1 |
The present disclosure provides N-heterocyclic carbene ligands, catalyst complexes thereof, and methods using same. The present disclosure further provides synthetic methods of preparing the N-heterocyclic carbene ligands and catalyst co...
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WO/2023/120907A1 |
The present invention relates to a preparation method for a super absorbent polymer capable of minimizing loss of air bubbles during foaming polymerization through radical polymerization. According to the preparation method of the presen...
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WO/2023/120668A1 |
The present invention pertains to a production method for a cyclic olefin copolymer that contains a structural unit derived from a norbornene monomer and a structural unit derived from ethylene, the method at least comprising: a step for...
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WO/2023/120669A1 |
A cycloolefin copolymer comprising constituent units derived from a norbornene monomer and constituent units derived from ethylene, wherein the constituent units derived from a norbornene monomer comprise meso diads and racemo diads and ...
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WO/2023/117657A1 |
The present patent application relates to perfluoropolyether polymers comprising functionalized pendant groups along the perfluoropolyether backbone that are obtained from the reaction of a peroxidic perfluoropolyether with a functionali...
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WO/2023/113625A1 |
Described is a method of manufacturing a road comprising providing a binder comprising a plastic source, the plastic source comprising 15 to 40% by weight of a plastic that comprises a styrene unit, 20 to 45% by weight of a second plasti...
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WO/2023/114813A1 |
Processes for making propylene-based copolymers having broad molecular weight distributions and broad comonomer distributions using a single tubular reactor. Processes for making a propylene-based copolymer can include introducing propyl...
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WO/2023/114815A1 |
Processes for making olefin copolymers, particularly ethylene-based copolymers. A process for making an olefin copolymer can include introducing an olefin monomer, at least one other olefin comonomer, and a single type of catalyst system...
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WO/2023/114660A1 |
Methods for controlling the long chain branch content of ethylene homopolymers and copolymers produced in a polymerization process include the steps of contacting a metallocene compound, an organoaluminum compound, a high LCB activator-s...
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WO/2023/114773A1 |
Sulfated bentonite compositions are characterized by a total pore volume from 0.4 to 1 mL/g, a total BET surface area from 200 to 400 m2/g, and an average pore diameter from 55 to 100 Angstroms. The sulfated bentonite compositions also c...
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WO/2023/104650A1 |
The present invention relates to a method for adjusting the average particle size of a spherical catalyst support comprising a magnesium dihalide-ethanol adduct and a method to produce a polymerization catalyst by use of the spherical ca...
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WO/2023/106779A1 |
The present invention relates to a catalyst for olefin polymerization, comprising a hybrid catalyst composition, and an olefinic polymer prepared therefrom. A hybrid metallocene catalyst according to an embodiment of the present inventio...
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WO/2023/104651A1 |
The present invention relates to a method for adjusting the average particle size of a spherical catalyst support comprising a magnesium dihalide-ethanol adduct, a spherical catalyst support obtained by the method, a polymerization catal...
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WO/2023/100993A1 |
Provided are: a modified vinyl aromatic copolymer having reactivity and solubility which make the copolymer usable in producing copolymer rubbers; and a copolymer rubber material which is obtained from the modified vinyl aromatic copolym...
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WO/2023/100693A1 |
Provided are a catalyst and a method that enable the production of an olefin-based polymer, which has a polar group and is usable for various applications, at high catalytic activity. A metal complex shown in general formula (C1) (in the...
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WO/2023/099528A1 |
The present invention relates to a catalyst composition comprising: catalyst component A comprising the meso form of a bridged metallocene compound with two indenyl groups, each indenyl being independently substituted with one or more su...
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WO/2023/098300A1 |
The present invention relates to the field of polymer materials and specifically relates to a polytetrafluoroethylene dispersion resin for a dry electrode binder and a preparation method thereof. The polytetrafluoroethylene dispersion re...
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WO/2023/099964A1 |
A heterogeneous catalyst composition for preparing a highly-reactive polyisobutylene from isobutylene may include a Lewis acid, a support, an initiator, and optionally an electron donor. A method of polymerizing isobutylene to a highly- ...
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WO/2023/101016A1 |
Disclosed is a polymer gel that contains, as a constituent element, a structure derived from a main monomer M1, a crosslinking agent monomer M2, and a radical polymerization initiator I. In this polymer gel, the reactive ratio r1 of the ...
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WO/2023/099451A1 |
The present invention relates to a polypropylene composition comprising a crystalline fraction (CF) and a soluble fraction (SF), both determined according to CRYSTEX QC analysis, whereby said soluble fraction (SF) - is present in the pol...
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WO/2023/099529A1 |
The present invention relates to an ethylene polymerization process, the process comprising: contacting at least one catalyst composition with ethylene, optionally hydrogen, and optionally one or more olefin comonomers; and polymerizing ...
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WO/2023/099974A1 |
A copolymer comprising 24 to 47 mole % of tetrafluoroethylene monomers, 5 to 23 mole % of hexafluoropropylene monomers, and 35 to 70 mole % of vinylidene fluoride monomers, wherein at least a portion of the end groups on the copolymer ar...
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WO/2023/101841A1 |
A drag reducing agent that includes a polymer composed of one or more C6-C14 α-olefin monomers, which polymer comprises a residual amount of zirconium and has an absolute weight average molecular weight (Mw(Abs)) greater than 1,300,000 ...
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WO/2023/101004A1 |
The present invention addresses the problem of providing a novel olefin resin useful as a compatibilizer for a polypropylene resin and a polyethylene resin, a method for manufacturing the olefin resin, and an application for the olefin r...
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WO/2023/099448A1 |
A composition obtainable by blending components (A) and (B) (A) 50 to 95 wt.-%, preferably 55 to 90 wt.-%, more preferably 60 to 88 wt.-% of a mixed-plastics polypropylene/polyethylene blend; and (B) 5 to 50 wt.-%, preferably 10 to 45 wt...
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WO/2023/096370A1 |
An objective of the present invention is to provide an ethylene alpha-olefin copolymer containing a large amount of chains having high comonomer content and having a specific range of density and melt index. The present invention provide...
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WO/2023/096369A1 |
A purpose of the present invention is to provide an ethylene alpha-olefin copolymer having specific ranges of density and melt index and a wide distribution of lamella thickness. The present invention provides an ethylene alpha-olefin co...
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WO/2023/096868A1 |
Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I).
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WO/2023/096368A1 |
According to the present invention, provided is an ethylene alpha-olefin copolymer that comprises an ethylene structural unit and an alpha-olefin structural unit, has two melting temperature (Tm) peaks when measured by differential scann...
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WO/2023/096308A1 |
The present invention provides a polyolefin copolymer having improved light transmittance and productivity, and a molded article prepared using same. More specifically, provided is a polyolefin copolymer comprising 60% to 95% by weight o...
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WO/2023/096341A1 |
The present invention provides an olefin-based copolymer having a controlled short chain branch amount, a preparation method therefor, and a resin composition and a molded product which comprise the olefin-based copolymer. The olefin-bas...
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WO/2023/096864A1 |
Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I).
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WO/2023/096865A1 |
Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I):
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