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WO/2015/109184A1 |
The disclosure includes a polymerization process and an olefin polymerization system. A polymerization product is produced, a vapor phase is recovered from the polymerization product, the vapor phase is fractionated in a first column to ...
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WO/2015/100037A1 |
Brominated styrene-butadiene copolymers are recovered from solution in an organic solvent. The copolymer solution is mixed with a liquid non-solvent in the presence of a suspension stabilizer to form a dispersion. The dispersion is heate...
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WO/2015/098690A1 |
This polymerization solution volatile component removal device is characterized by having a pressurization means (11) for pressurizing a polymerization solution resulting from the polymerization of a monomer using a solvent, a heating me...
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WO/2015/098370A1 |
This method for producing a hydrogenated petroleum resin comprises a thermal polymerization step of thermally polymerizing a cyclopentadiene compound and a vinyl aromatic compound, a hydrogenation reaction step, and a devolatilization st...
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WO/2015/099913A1 |
A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radi...
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WO/2015/082565A1 |
Process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, the process comprisin...
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WO/2015/082568A1 |
Process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, the process comprisin...
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WO/2015/081119A1 |
The invention provides a method, and apparatus, for determining the degree of separation (DOS) of a polymer solution into a polymer-rich stream and a solvent-rich stream, said method comprising the following: adding to a liquid-liquid se...
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WO/2015/080381A1 |
The present invention relates to a method for purifying polyolefin, the method comprising a step of bringing linear low-density polyethylene, which has been synthesized through gaseous phase polymerization, into contact with a purge gas,...
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WO/2015/074988A1 |
A process for producing a nanoporous composite material comprising at least the following steps: a) providing a dispersion of hollow latex particles C, comprising a hard shell, b) optionally polymerizing a at least one soft shell onto th...
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WO/2015/074883A1 |
The present invention relates to a continuous or semi-continuous freezing coagulation method for aqueous polymer dispersions. The method comprises a freezing step and a solid-liquid separation step and is furthermore characterized in tha...
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WO/2015/072536A1 |
The purpose of the present invention is to provide a process for stably and continuously producing a water-absorbing resin, specifically a process for stably and continuously producing a water-absorbing resin which includes a step for ef...
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WO/2015/064576A1 |
A methacrylic resin composition containing a dimer and a trimer, each comprising a polymerizable monomer, to a total amount of 0.3% by mass or less is produced by a method which comprises: continuously supplying the polymerizable monomer...
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WO/2015/058013A1 |
Provided are uses of a poloxamer and methods of administering a poloxamer for treating hemo-concentration, such as hemo-concentration resulting from dehydration and/or diuresis in a subject. Administration of a poloxamer prevents, treats...
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WO/2015/050876A1 |
The present disclosure provides a method for reducing the aldehyde content in an amine catalyst by treating the amine catalyst with a treating agent selected from a cyclic urea substituted with at least one isocyanate reactive group, a f...
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WO/2015/045448A1 |
Polymer particles which have a surfactant content higher than 0 ppm but less than 50 ppm; and a process for producing the polymer particles which includes a solid-liquid separation step in which a crude reaction product (P) obtained by p...
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WO/2015/037554A1 |
Provided is a precursor for producing polyvinylamine aqueous solution having high storage stability without any decrease in the viscosity of the precursor aqueous solution even with long-term storage when producing polyvinylamine aqueous...
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WO/2015/031424A1 |
The present invention relates to a method to reduce the VOC-emission from an automotive interior component.
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WO/2015/030367A1 |
The present invention relates to a method for preparing a super absorbent resin. The method for preparing a super absorbent resin according to the present invention comprises the steps of: forming a hydrous gel phase polymer by thermal p...
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WO/2015/030489A1 |
Disclosed are an apparatus and a method for removing halogens generated during the preparation of polybutene, which are capable of improving the utilization of polybutene and light polymers by removing halogen components contained in the...
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WO/2015/022079A1 |
Device and process for treating products of solution polymerization to give polymer mouldings, comprising an upstream wash stage into which the polymer/product of polymerization is introduced before the treatment; equipment for prelimina...
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WO/2015/017295A1 |
A process for removing silicon impurities from a polymer comprising the steps of (1) dissolving said polymer in a first solvent to make a solution, (2) adding a non-solvent to said solution, and (3) contacting said solution containing sa...
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WO/2015/002835A1 |
A system and method for a first reactor to produce a transfer slurry having a first polyolefin polymerized in the first reactor, a heat-removal zone to remove heat from the transfer slurry, and a second reactor to receive the transfer sl...
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WO/2014/200153A1 |
The present invention relates to a method for preparing an ethylene/alpha-olefin/diene elastic copolymer having a high viscosity and high molecular weight, in which the energy efficiency of the entire process is optimized. The method for...
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WO/2014/188158A1 |
A process of forming a porous polymer template material for use in selectively recovering a metal from a solution of the metal ions comprises polymerising a monomer admixed with a compound of the metal to be recovered, and then treating ...
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WO/2014/186647A1 |
Provided are processes for upconcentrating fluoropolymer dispersions. Also provided are upconcentrated dispersions and substrates coated with such dispersions.
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WO/2014/179045A1 |
A polymer finisher assembly having a finisher nozzle includes a vessel including an outlet orifice and an inlet orifice. The finisher nozzle extends through the inlet orifice of the vessel. The finisher nozzle includes an isometric barre...
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WO/2014/166727A1 |
The invention provides a process for producing dispersion powders by spray drying of aqueous polymer dispersions of polymers of one or more ethylenically unsaturated monomers selected from the group comprising vinyl esters, methacrylic a...
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WO/2014/164425A1 |
A process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous dispersion medium to form aqueous fluoropolymer dispersion and isolating the fluoropolymer from the aqueou...
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WO/2014/161735A1 |
The present invention relates to a method for separation of a polymer from a polymer solution or dispersion, wherein (i) a solution or dispersion of a polymer in an organic solvent is atomized by being brought into contact with water vap...
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WO/2014/161817A1 |
The invention relates to a method for reducing the residual monomer content in an aqueous polymer dispersion, characterized in that at least 0.01 and ≤ 1.0 wt%, relative to the total amount of monomer used for producing the aqueous pol...
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WO/2014/154483A1 |
Method for coagulating an aqueous polymer dispersion, where the aqueous polymer dispersion comprises at least one polymer in dispersion in aqueous phase, and also comprises thermally expandable, thermoplastic microspheres, the polymer di...
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WO/2014/138854A1 |
An improved solution polymerization process wherein energy consumption is reduced comprising: i) injecting ethylene, solvent, catalyst, α-olefins and hydrogen into at least one reactor to produce a polyethylene in a single liquid phase ...
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WO/2014/139923A1 |
The invention relates to a method for concentrating a polymer solution, particularly a temperature-sensitive polymer solution, wherein the polymer solution is intended to be heated under pressure, particularly under overpressure, up to a...
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WO/2014/131581A1 |
A static devolatilisation apparatus (1) adapted for devolatilising a viscous liquid (2) comprising a volatile component is disclosed. The apparatus (1) comprises a phase separation chamber (100) in an upper region (5) for treating the vi...
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WO/2014/122177A1 |
The invention relates to a method for producing compositions containing vinyl-aromatic copolymers which are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characteriz...
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WO/2014/122178A1 |
The invention relates to a method for producing compositions containing vinyl-aromatic copolymers that are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characterize...
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WO/2014/122179A1 |
The invention relates to a method for producing compositions containing vinyl-aromatic copolymers which are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characteriz...
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WO/2014/118025A1 |
The invention relates to a method for removing residual monomers from water-absorbing polymer particles, wherein the water-absorbing polymer particles are thermally post-treated in a mixer having rotating mixing tools at a temperature of...
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WO/2014/115679A1 |
The purpose of the present invention is to provide a method for recovering a fluorine-containing ether, wherein the fluorine-containing ether to be used when producing a fluoropolymer can be recovered at a high yield, and the recovery ti...
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WO/2014/112592A1 |
Provided is a method for producing a dried product of an ethylene-tetrafluoroethylene copolymer, whereby it becomes possible to achieve excellent stress cracking resistance while reducing an environmental load. A method for producing a d...
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WO/2014/112411A1 |
A method for producing a polymer, which comprises carrying out a polymerization step of polymerizing at least a conjugated diene monomer in a hydrocarbon solvent using an organic lithium compound as a polymerization initiator to produce ...
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WO/2014/106952A1 |
The objective of the present invention is to provide a thermoplastic resin powder that suppresses a decrease in fluidity of a composition during melt molding and that has a suppressed alteration of the resin resulting from retention. The...
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WO/2014/097962A1 |
The purpose of the present invention is to provide a rubber-containing graft polymer powder in which 1, 3-butadiene is used, and with which a solar-cell sealing material and a laminated-glass interlayer which exhibit excellent corrosion ...
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WO/2014/100310A1 |
Provided is a method for suppressing the formation of emulsions encountered in the quenching of polystyrene bromination reactions with aqueous quenching agents. The method comprises the exposure of the polystyrene bromination substrate t...
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WO/2014/090860A1 |
Process for treating polyolefin particles obtained by gas-phase polymerization of one or more olefins in the presence of a polymerization catalyst system and a C3-C5 alkane as polymerization diluent in a gas-phase polymerization reactor,...
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WO/2014/093088A1 |
A technique for polymerizing ethylene on catalyst in a first polymerization reactor and in a second polymerization reactor to form polyethylene particles, and controlling particle size of the polyethylene particles.
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WO/2014/090856A1 |
Process for preparing a polyolefin polymer comprising the steps of a) forming a particulate polyolefin polymer by polymerizing one or more olefins in the presence of a polymerization catalyst system in a polymerization reactor; b) discha...
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WO/2014/086477A1 |
A process for reducing the amount of residual monomer in aqueous polymerization emulsion by using a sequential polymerization steps, The first step consists in adding an emulsion, of vinyl ester of alkyl of C1 to C18 carboxylic acids, to...
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WO/2014/079710A1 |
The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution comprising less than 0.3% by weight of persulfate and at least 0.05% by weight of azo initiator and...
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