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WO/2020/115071A1 |
An adhesive polymer composition comprising a non-elastomeric copolymer of ethylene and one or more comonomers having 3 to 10 carbon atoms, and an elastomer is disclosed herein. The non-elastomeric copolymer is present in an amount of 60 ...
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WO/2020/107926A1 |
A catalyst used for producing ultra-high molecular weight polyolefin, a preparation method therefor and an application thereof. The catalyst comprises: an inorganic carrier carrying a surfactant, and a catalytic component carried on the ...
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WO/2020/112483A1 |
A composition comprising polypropylene having a high melt strength suitable for an injection stretch blow molding (ISBM) process is provided. Such a composition includes a polypropylene (PP) copolymer having a branched structure. The PP ...
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WO/2020/105891A1 |
The present invention provides a method for preparing a polybutene oligomer, comprising a step of oligomerizing a polymerization solution, which comprises, in the presence of an organometallic catalyst, a halogenated hydrocarbon solvent,...
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WO/2020/101373A1 |
The present invention relates to a supported catalyst for propylene polymerization in which a first transition metal compound contributing to the production of crystalline polypropylene and a second transition metal compound contributing...
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WO/2020/096735A1 |
A method of polymerizing an olefin monomer to make a polyolefin composition comprising a polyolefin polymer, the method comprising contacting a solution of an alkane-soluble non-metallocene precatalyst dissolved in an alkane solvent with...
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WO/2020/096645A1 |
This invention relates to a polyethylene composition, and films therefrom, comprising at least 65 wt% ethylene derived units and from 0.1 to 35 wt% of C3-C12 olefin comonomer derived units, where the polyethylene composition has: a) an R...
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WO/2020/094449A1 |
The invention relates to a process for the preparation of low density polyethylene (LDPE) wherein the polymerisation takes place in a tubular reactor at peak temperatures ranging from 180 °C to 350 °C and at pressures ranging from 150 ...
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WO/2020/096732A1 |
A compound of formula (1) as drawn in the description, wherein M is a Group 4 metal, one R is a silicon-containing organic solubilizing group, and the other R is a silicon-containing organic solubilizing group or a silicon-free organic s...
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WO/2020/095395A1 |
Disclosed is an ethylene-α-olefin-nonconjugated polyene copolymer rubber satisfying the following requirements (A) and (B): (A) A proportion of a cyclohexane insoluble component at 25°C is from 0.3% to 50% by mass with respect to a mas...
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WO/2020/096734A1 |
A compound of formula (1) as drawn herein, wherein M is a Group 4 metal and each R independently is a silicon-free organic solubilizing group. A method of synthesizing the compound (1). A solution of compound (1) in alkane solvent. A cat...
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WO/2020/096182A1 |
The present invention relates to a method for predicting physical properties of a polyethylene resin, wherein a suitable crosslinking agent input ratio in a manufacturing process of low-density crosslinked polyethylene resins and physica...
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WO/2020/096475A1 |
The present invention relates to an adhesive polyethylene composition for use as an adhesive layer in multilayer articles. The adhesive composition according to the invention comprises, relative to its total weight: A) from 59.9 to 81...
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WO/2020/096474A1 |
The present invention relates to an adhesive polyethylene composition for use as an adhesive layer in multilayer articles. The adhesive polyethylene composition according to the invention comprises: A) from 50 to 80 wt.% of a linear l...
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WO/2020/088942A1 |
The present invention relates to a process for the production of a polyethylene by polymerisation of a reaction mixture comprising ethylene in the presence a catalyst system and an antistatic agent according to formula I: (I) wherein R1,...
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WO/2020/083386A1 |
The present invention relates to the technical field of heterogeneous catalysis of olefin polymerization, and discloses a polyolefin catalyst, a preparation method therefor and the use thereof. The method for preparing the polyolefin cat...
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WO/2020/080647A1 |
The present invention relates to a method for producing polybutene containing a low halogen element and, more particularly, to a method for producing a non-reactive polybutene (polybutene having a vinylidene content of 40 wt.% or less at...
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WO/2020/078352A1 |
Disclosed are a catalyst component and a catalyst for olefin polymerization, and an olefin polymerization method. The catalyst component comprises magnesium, titanium, a halogen and an internal electron donor, wherein the internal electr...
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WO/2020/076505A1 |
The present disclosure provides polypropylene compositions that have a high gloss and minimum or no haze while also having a high melt strength (e.g., high temperature resistance) and a relative high stiffness. Polypropylene compositions...
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WO/2020/069853A1 |
The present invention relates to a method for the manufacture of a semi-crystalline polyolefin compound comprising i) a first stage wherein one or more olefinic monomer(s) are reacted in a solvent in the presence of a homogeneous single-...
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WO/2020/069847A1 |
A solid mixture comprising a mechanical mixture of (a) distinct particles of adducts of formula MgCl2(R1OH)n where R is a C1-C8 alkyl group, preferably ethyl, and n is from 0.2 to 6 having average particle size (P50a) ranging from 5 to 1...
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WO/2020/067081A1 |
A method for producing a solid catalyst ingredient for olefin polymerization by contacting and reacting a halide of tetravalent titanium and one or more internally electron-donating compounds with a magnesium compound, the method being c...
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WO/2020/069325A1 |
A method for making a plasticized polymer comprises polymerizing a polymerizable monomer, such as an ethylenically unsaturated monomer, in a plasticizer, such as mineral oil, and in the presence of a catalyst system. The plasticized poly...
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WO/2020/064484A1 |
The present invention relates to a multi-stage process for producing a C2 to C8 olefin polymer composition in a process comprising at least two reactors, wherein a pre-polymerized solid Ziegler-Natta catalyst is prepared by carrying out ...
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WO/2020/060889A2 |
Catalyst preparation systems and methods for preparing reduced chromium catalysts are disclosed, and can comprise irradiating a supported chromium catalyst containing hexavalent chromium with a light beam having a wavelength within the U...
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WO/2020/060888A2 |
Supported chromium catalysts with an average valence less than +6 and having a hydrocarbon-containing or halogenated hydrocarbon-containing ligand attached to at least one bonding site on the chromium are disclosed, as well as ethylene-b...
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WO/2020/054594A1 |
Provided are: a polyethylene-based resin composition which is excellent in terms of heat resistance, flexibility, barrier property, and cleanness (low release of fine particles), does not deform even through a sterilization treatment at ...
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WO/2020/046936A1 |
An apparatus to batch or continuously form solid polymer particles, the apparatus comprising the following components: A) at least one pastillation unit comprising a pastillation head, said unit used to form discrete molten polymer parti...
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WO/2020/046051A1 |
A polyethylene, according to the present invention, has a narrow particle size distribution and minimizes crystalline structure variation, and thus, by reacting same with chlorine, a chlorinated polyethylene exhibiting excellent chlorina...
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WO/2020/040217A1 |
The present invention addresses the problem of providing a modified polyolefin resin which exhibits excellent adhesion to a non-polar substrate and which exhibits excellent solubility in a solvent in the preparation of a solution. The pr...
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WO/2020/035962A1 |
The present invention provides a catalyst for polymerization of olefins, which has excellent polymerization activity and high tacticity, and which is capable of preferably producing a polymer of olefins having a wide molecular weight dis...
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WO/2020/034811A1 |
A swelling treatment method for a polymer drag-reducing agent for shortening the onset of action of a drag-reducing agent, the method comprising the following preparation steps: step 1: shredding a polymer solid and placing the same in a...
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WO/2020/025757A1 |
The present invention is concerned with a process for polymerizing ethylene or copolymerizing ethylene and at least one alpha-olefin comonomer in the presence of a supported polymerization catalyst in a multi-stage process in which the l...
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WO/2020/028399A1 |
In an embodiment, the present disclosure pertains to a solvent including a hydrocarbon oligomer with at least 20 carbon atoms, where the hydrocarbon oligomer has at least one of a low viscosity, a low vapor pressure, and a high flashpoin...
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WO/2020/020949A1 |
The invention relates to thermoplastic molding compounds having melt viscosities of less than 30,000 mPas for use as a hot-melt adhesive, comprising the components A and B, wherein component A comprises one or more C3/C2 copolymers each ...
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WO/2020/022251A1 |
The present invention addresses the problem of providing a chlorinated polyolefin resin that has superior adhesiveness and that can be produced via a single series of production steps without using a chlorine-based solvent and without pr...
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WO/2020/022833A1 |
The present invention provides a method for preparing a butene oligomer, comprising a step of oligomerizing, in the presence of an organometallic catalyst, a polymeric solution comprising a halogenated hydrocarbon solvent, a nonpolar hyd...
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WO/2020/003034A1 |
This disclosure relates to a method and an apparatus for the delivery of a multi-component olefin polymerization catalyst to a polymerization reactor. The apparatus comprises: a first catalyst component delivery conduit; a second catalys...
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WO/2020/003046A1 |
This disclosure relates to a method and an apparatus for the delivery of a multi-component olefin polymerization catalyst to a polymerization reactor. The components soluble in a first solvent are delivered under pressure along with that...
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WO/2020/006437A1 |
In an embodiment, a process to convert a feed includes introducing a feed to an oligomerization catalyst in an oligomerization reactor to form a first reactor effluent; introducing the first reactor effluent to a distillation unit to for...
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WO/2019/243384A1 |
A process for preparing a multimodal ethylene copolymer in suspension in a reactor cascade comprising a first polymerization reactor and one or more subsequent polymerization reactors comprising separating the suspension formed in the re...
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WO/2019/239309A1 |
The present invention relates to a procedure of polymerisation in solution for the production of polymers, comprising the following steps: continuously feeding one or more monomers, one or more solvents in a quantity comprised between 70...
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WO/2019/238428A1 |
The present invention relates to a process for polymerizing at least one olefin in gas phase in a fluidized bed in a polymerization reactor having a top zone of a generally conical shape as such that the equivalent cross-sectional diamet...
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WO/2019/241063A1 |
Propylene-ethylene copolymer compositions and production methods are provided. The copolymer compositions can be particularly advantageous for use in hot fill packaging of foodstuffs. The propylene-ethylene copolymers can be produced usi...
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WO/2019/234637A1 |
Provided are an ethylene polymer mixture, a method of preparing the same, and a molded article using the same. More specifically, an ethylene polymer mixture in which two ethylene polymers having different densities are mixed, a method o...
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WO/2019/234256A1 |
The disclosure relates to a method for producing a propylene copolymer, comprising extruding a molten propylene copolymer and a composition essentially comprising at least one peroxydicarbonate and at least one organic peroxide. Extrudin...
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WO/2019/234492A1 |
The present invention relates to novel polymer compositions and their use in polyolefin resins including a polyolefin, a polymer containing an oxidizable component, a transition metal compound or mixture of transition metal compounds, an...
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WO/2019/223683A1 |
The present invention relates to a catalyst component for olefin polymerization and a catalyst including same. The catalyst component includes magnesium, titanium, a halogen, an internal electron donor compound, and a precipitation aid. ...
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WO/2019/226271A1 |
Disclosed are hot-melt, curl-free methods, structures, and compositions, which in flexible packaging applications, reduce mineral-oil, hydrocarbon migration into packaged food. One embodiment provides an optionally oriented base film hav...
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WO/2019/218868A1 |
The present disclosure provides a compound, a complex, a preparation method thereof, and a use thereof. The compound is represented by the following structural formula, in which R1 to R10 are the same or different and are each independen...
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