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Matches 1 - 50 out of 9,139

Document Document Title
WO/2019/159752A1
This method is for reutilization of waste water containing a metal component that is generated in a phase separation process of causing phase separation by mixing an alkaline aqueous solution with a polymer solution obtained by a polymer...  
WO/2019/159896A1
The present invention relates to vinyl chloride resin aggregate particles that have a volume-based particle size distribution in which the particle diameter D50, corresponding to the cumulative volume percentage of 50 vol%, is 0.5-5.0 μ...  
WO/2019/154889A1
The invention relates to an extruder (30) comprising a housing (31), a first material inlet (32) for a mixture (46) at least consisting of a solvent and a dissolved medium, a material outlet (33), a screw (35), a screw drive (34), and at...  
WO/2019/156037A1
Provided is a method for removing C4–20 hydrophilic compounds. A hydrophilic compound removal method that is characterized by including a step (a) for radiating 0.1–500 kGy radiation at a composition that includes C4–20 hydrophilic...  
WO/2019/151127A1
Provided is a composition for creating a molded body that can improve work efficiency by effectively suppressing cold flow and that has high strength and outstanding wear resistance. This composition contains a polymer (A) that includes ...  
WO/2019/149597A1
Process for the removal of volatile compounds from a tackifier comprising a resin with repeating units of formula I wherein R1 is a linear or branched alkylen group with 1 to 10 carbon atoms and R2 is a linear or branched, saturated or u...  
WO/2019/146782A1
The present invention provides multilayer acrylic polymer coagulates. The multilayer acrylic polymer coagulates are characterized by having a bulk density of 0.3–0.6 g/cm3 and a median diameter of 50–400 μm. The multilayer acrylic p...  
WO/2019/141672A1
Process for reducing the volatile organic compound content of plastomer having a density of equal to or lower than 883 kg/m3 and - a M FR2 of 100.0 g/1 0 min or lower (ISO 1 133 at 2.1 6 kg load and 190 °C); to below 65 ppm(VOC, VDA277)...  
WO/2019/103369A3
The present invention relates to a method for manufacturing a graft copolymer powder, the method comprising the steps of: emulsion polymerizing a conjugated diene polymer, an aromatic vinyl monomer, and an alkyl (meth)acrylate monomer to...  
WO/2019/133338A1
Processes for carrying out a bulk polymerization are described as including the combination of an organic solvent with a polymerization mixture discharged from a polymerization vessel to extend the polymerization reaction downstream of t...  
WO/2019/131633A1
Provided is a novel method for producing polytetrafluoroethylene powder. The method for producing polytetrafluoroethylene powder is characterized by comprising a step of coagulating polytetrafluoroethylene particles by exposing an aqueou...  
WO/2019/133324A1
Processes for controlling temperature in polymerization reactions are described as including a monomer recovery system. Monomer vapor is removed from pressurized head space of a horizontally disposed reaction vessel, condensed to a liqui...  
WO/2019/133167A1
Provided is a method of making a polymeric composition comprising (a) providing a dispersion of initial polyolefin particles in an aqueous medium, wherein the initial polyolefin particles comprise (i) one or more hydrocarbon polyolefin, ...  
WO/2019/118073A1
Provided herein are methods and systems for at least partially deactivating at least one component of a reactor effluent from gas phase polyolefin polymerization processes utilizing at least one glycol.  
WO/2019/083280A3
The present invention relates to a method for producing a chlorinated polyvinyl chloride resin. More specifically, the present invention provides a method for producing a chlorinated polyvinyl chloride resin, the method comprising a neut...  
WO/2019/110315A1
The present invention relates to a process for removing hydrocarbons comprising the steps of: (A) passing a stream of a solution into a separator wherein a liquid phase comprising polymer and a vapour phase coexist; (B) withdrawing a vap...  
WO/2019/110316A1
The present invention relates to a process for removing hydrocarbons comprising the steps of: (A) passing a stream of a solution into a separator wherein a liquid phase comprising polymer and a vapour phase coexist; (B) withdrawing a vap...  
WO/2019/103369A2
The present invention relates to a method for manufacturing a graft copolymer powder, the method comprising the steps of: emulsion polymerizing a conjugated diene polymer, an aromatic vinyl monomer, and an alkyl (meth)acrylate monomer to...  
WO/2019/096979A1
Disclosed herein is a core-shell graft copolymer produced by coagulation of an aqueous latex comprising a quantity of particles of the copolymer and a quantity of a fatty acid surfactant, wherein the coagulation involves the addition of ...  
WO/2019/092237A1
The present invention relates to a process for producing a thermoplastic molding composition and articles made thereof having improved surface quality, in particular improved surface quality after exposure to warm-humid environmental con...  
WO/2019/090884A1
A method for preparing an impact polypropylene, comprising: (1) performing propylene prepolymerization of a liquid phase propylene with a polymerization catalyst, to be a feedstock slurry containing a propylene prepolymer, wherein the pr...  
WO/2019/089111A1
A process of polymerizing olefins comprising combining propylene with a polymerization catalyst, hydrogen, and at least one external electron donor, such as at least one amino-silane donor, to form polypropylene in a first polymerization...  
WO/2019/086987A1
This invention relates to a solution polymerization process that allows two different types of polyethylene to be produced at the same time. The different polyethylenes may have substantially different densities.  
WO/2019/083712A1
Provided is method of treating a collection of resin beads (a) comprising the steps of (a) providing the collection of resin beads (a), wherein the resin beads (a) comprise one or more vinyl polymers having quaternary ammonium groups; wh...  
WO/2019/076682A1
A method for producing superabsorbers, comprising the following steps: i) classifying the superabsorber particles by means of one or more screens and ii) removing metal impurities by means of one or more magnetic separators, wherein for ...  
WO/2019/073041A1
The invention relates to a process for the production of an elastomer agglomerate composition, comprising the steps of: (a) providing a slurry comprising elastomeric particles in water, wherein the slurry has a temperature of 40 to 80 º...  
WO/2019/063647A1
The present invention concerns a material, based on fibrillar, elongated, or disk-like colloidal particles, that has a high scattering efficiency, a method that is suitable for preparing such a material, and the use of such a material. T...  
WO/2019/059179A1
Provided is a light guide plate of a display device for a vehicle, said light guide plate comprising methacrylic resin (A) comprising 99-100 mass% of a structural unit derived from methyl methacrylate and 0-1 mass% of a structural unit d...  
WO/2019/043033A1
Process for the preparation of very low haze and color stable styrenic polymers by anionic polymerization wherein the obtained terminated polymer solution is passed through a first filter, fed to a dispersing device to which water is add...  
WO/2019/043030A1
Process for the preparation of styrenic polymers having an improved color stability by anionic polymerization wherein the obtained terminated polymer solution is fed to a dispersing device to which water is added, fed to a buffer vessel ...  
WO/2019/046748A1
The present invention is directed to an improved purification process using additive and activated carbon for purifying resorbable polymers suitable for industrial manufacturing. The metal catalyst concentration in the purified resorbabl...  
WO/2019/031617A1
The purpose of the present invention is to obtain a polytetrafluoroethylene aqueous dispersion liquid from which fluorine-containing compounds have been removed or diminished. The present invention is a method for producing a purified po...  
WO/2019/027565A1
Methods for separating gaseous components, such as unreacted hydrocarbon monomer and/or solvent, from polyolefin solids are provided. The methods include contacting a first stream including polyolefin solids and gaseous unreacted hydroca...  
WO/2019/027566A1
Methods for separating gaseous components, such as unreacted hydrocarbon monomer and/or solvent, from polyolefin solids are provided. The methods include flowing a first stream including polyolefin solids and gaseous unreacted hydrocarbo...  
WO/2019/026899A1
Provided are a method for manufacturing a latex containing hollow resin particles having a higher porosity than in the past, and a method for manufacturing hollow resin particles having a higher porosity than in the past. A method for ma...  
WO/2019/022799A1
A method for the removal of unreacted olefin monomer(s) from polyolefin product particles of an olefin polymerization reaction, the method including: contacting the polyolefin product particles with a countercurrent flow of a purge gas i...  
WO/2019/022544A1
The present invention relates to a copolymer and a preparation method therefor, the polymer comprising: relative to a total weight of the copolymer, 20-65 wt% of an alkyl styrene-based monomer-derived unit, 10-40 wt% of a (meth)acrylate-...  
WO/2019/022356A1
The present invention relates to a vinyl chloride-based polymer with reduced generation of volatile organic compounds and a preparation method therefor. According to the present invention, the vinyl chloride-based polymer contains a vola...  
WO/2019/012581A1
Disclosed is a method for producing poly(vinyl alcohol) having a degree of saponification of 97.0 mol% or higher, the method comprising a pulverization step in which a particulate first poly(vinyl alcohol) is pulverized to obtain second ...  
WO/2019/004059A1
Provided is a fluorine-containing elastic copolymer having exceptional crosslinking properties and a low metallic element content. This fluorine-containing elastic copolymer has an iodine atom, and has: a unit a based on tetrafluoroethyl...  
WO/2019/002137A1
The present invention relates to a method of reducing the entrainment of polymer in the polymer-lean liquid phase in a separator, comprising the steps of: (i) Selecting the diameter of the polymer droplets in the polymer solution enterin...  
WO/2018/234222A1
The invention relates to a vinyl aromatic/diene-block copolymer A, obtained by an anionic polymerization of a monomer composition, comprising: A1: 60-95 wt.-% of at least one vinyl aromatic monomer, and A2:5-40 wt.-% of at least one dien...  
WO/2018/225685A1
Provided is a method for producing a block polymer, which comprises: a step for synthesizing a homopolymer by anionically polymerizing a first monomer in the presence of an initiator with use of a flow reactor that is provided with a mix...  
WO/2018/225586A1
Provided are a fluorine-containing elastic copolymer in which the contained amounts of metal elements and chloride ions are low, and a fluorine-containing elastic copolymer production method capable of obtaining a fluorine-containing ela...  
WO/2018/217294A1
Methods of improving Mooney stability of a brominated elastomer comprising: neutralizing a brominated elastomer effluent with a neutralizing agent and water to form a neutralized effluent comprising a hydrocarbon solvent; removing the so...  
WO/2018/204026A1
Disclosed herein are methods and systems for recovering volatile organic compounds (VOCs) from a purged polymer product. The methods and systems are particularly useful in the recovery of VOCs from a purged polyethylene polymer product p...  
WO/2018/197377A1
The invention relates to a process for producing graft copolymers based on acrylonitrile-butadiene-styrene copolymers (ABS), wherein the graft copolymers may be dewatered particularly readily after production and precipitation and have a...  
WO/2018/192222A1
Disclosed is a preparation method for a polysiloxane-acrylate/styrene copolymer with a large particle size and a core-shell structure. The preparation method comprises the following steps: adding a polyacrylate agglomerating agent to a p...  
WO/2018/194872A1
A method of processing a polymerization reactor effluent stream comprising utilizing a separation system that removes greater than 99% of the fine polymer particles in the polymerization reactor effluent, wherein the separation system is...  
WO/2018/181239A1
Provided is an extrusion dryer for a rubber-like polymer, comprising: a cylinder; and a die that has a plurality of openings at one end of the cylinder, wherein the openings each have an opening base portion and at least one opening exte...  

Matches 1 - 50 out of 9,139