Document |
Document Title |
WO/2020/127079A1 |
A process for polymerizing ethylene in a high-pressure polymerization system comprising a continuously operated polymerization reactor and a reactor blow down system comprising an emergency valve, a reactor blow down vessel containing an...
|
WO/2020/128328A2 |
The present invention relates to the use of at least one peroxide chosen from the group consisting of hemi-peroxyacetals, alone or in combination with one or more different additional peroxide(s), for radical polymerisation or copolymeri...
|
WO/2020/124212A1 |
The invention relates to an efficient process for the preparation of isoolefin polymers such as polyisobutene or butyl rubber by polymerization of isobutene and optionally further monomers in the presence of an initiator system comprisin...
|
WO/2020/124556A1 |
Disclosed are a large-steric-hindrance asymmetric (alpha-diimine)nickel olefin catalyst based on 1,2-benzoacenaphthenequinone as a skeleton, and a preparation method and an application thereof. The structural formula of the large-steric-...
|
WO/2020/123973A1 |
Disclosed herein too is a method comprising charging to a reactor system a feed stream comprising a catalyst, a monomer and a solvent; reacting the monomer to form a polymer; where the polymer is contained in a single phase polymer solut...
|
WO/2020/123971A1 |
Disclosed herein is a system for solution polymerization comprising a reactor system that is operative to receive an anti-solvent, a monomer, and a solvent, and to react the monomer to form a polymer; where the anti-solvent is not a solv...
|
WO/2020/120935A1 |
Compounds suitable for use in the polymerisation of olefins, such as ethene, are described. Also described is a process for polymerising olefins using the described compounds.
|
WO/2020/116368A1 |
A resin composition which contains a 4-methyl-1-pentene copolymer (A) that satisfies a specific requirement and a 4-methyl-1-pentene copolymer (B) that satisfies a specific requirement, and which is configured such that the content of th...
|
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 ...
|
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 ...
|
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 ...
|
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,...
|
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...
|
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...
|
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...
|
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 ...
|
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...
|
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...
|
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...
|
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...
|
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...
|
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...
|
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,...
|
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...
|
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...
|
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...
|
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...
|
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-...
|
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...
|
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...
|
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...
|
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 ...
|
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...
|
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...
|
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 ...
|
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...
|
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...
|
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...
|
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...
|
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...
|
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...
|
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...
|
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 ...
|
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...
|
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...
|
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...
|
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...
|
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...
|
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...
|
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...
|