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Matches 201 - 250 out of 9,552

Document Document Title
WO/2024/003057A1
The invention relates to a method for purifying a polyvinyl chloride (PVC) polymer comprising at least one heavy metal compound. The method aims to extract heavy metals from PVC formulations and to recover PVC or PVC compounds free of he...  
WO/2024/003309A1
Process of making a vinyl halide polymer comprising at least these steps: i) providing: a plastic composition, wherein the plastic composition comprises the vinyl halide polymer and one or more additives; and a liquid organic phase; ii) ...  
WO/2024/003626A1
Provided herein is a method for producing an oligomeric PET substrate from post-consumer PET-containing waste material, wherein said oligomeric PET substrate is for use in a rPET manufacturing process. The method comprises the steps of: ...  
WO/2024/004833A1
A method for producing a C2-C8 unsaturated hydrocarbon according to the present invention comprises: a step (1) for sorting, from waste plastics, a plastic mixture (A) having a polyolefin-based plastic content of 50 mass% or more, and re...  
WO/2024/005445A1
The present invention relates to a method for depolymerization of a polymer containing an ester functional group, wherein an aromatic compound having an alkoxy functional group and a compound having an alcohol functional group are mixed ...  
WO/2024/003021A1
The invention relates to a method for depolymerizing a polystyrene feedstock, comprising at least two pyrolysis sections, wherein the partial pressure of hydrogen and/or the residence time of the gas phase is/are monitored in the pyrolys...  
WO/2024/004774A1
The purpose of a recycled monomer and a production method therefor according to the present invention is to provide a method that can, while utilizing the advantage of high-temperature high-pressure water, suppress hyperreaction of a pro...  
WO/2024/002975A1
The invention relates to a method of recovery of the monomers from a polyamide (PA) of the AABB type comprising the following steps: - a) a product (P) comprising the polyamide (PA) is optionally comminuted; - b) an aqueous medium compri...  
WO/2024/003014A1
The invention relates to a process for preparing a polyethylene terephthalate (PET) element, comprising at least one amorphization step in which the surface of the PET element is brought in contact with a plasma.  
WO/2024/004741A1
[Problem] To provide a polymer compound as a new option for an easily decomposable polymer, a method for decomposing same, etc. [Solution] The present invention provides a polymer compound having a partial structure represented by genera...  
WO/2023/247899A1
The invention relates to a method for processing a composite material comprising reinforcing fibres and an organic compound in which a post-processing step of oxidising the composite material comprises: a step of heating the reactor (100...  
WO/2023/249282A1
The present invention provides a method for preparing a vinyl chloride-based polymer, the method comprising the steps of: preparing a mixture by adding alcohol to a vinyl chloride-based polymer slurry (S1); separating a waste liquid from...  
WO/2023/248673A1
In an information processing system (100) for appropriately distributing, to each of at least one user, fuel oil and plastic products obtained by recycling plastic waste discarded by the at least one user, an information acquiring unit (...  
WO/2023/245287A1
Methods of producing thermoplastic lignocellulose are described herein. The methods include mixing a feed stream and a recycle stream to form a mixed feed stream, the feed stream comprising unmodified lignocellulose, the recycle stream c...  
WO/2023/248570A1
A resin processing device 1 comprises: an extruder 11 to which a resin material 51 is fed; and an extruder 21 which is connected to the extruder 11 and to which residual resin discharged from the extruder 11 is fed. The temperature of a ...  
WO/2023/247913A1
A method of recycling a waste catalyst coated membrane material comprising an ionomer membrane, at least one catalyst comprising platinum, palladium and/or ruthenium, and at least one catalyst comprising iridium, the method comprising: (...  
WO/2023/249327A1
Recycled bis(2-hydroxyethyl)terephthalate, obtained by depolymerization of a waste polyester, is mixed and stored with a solvent under specific conditions, leading to the stable maintenance of purity and yellowness and the improvement in...  
WO/2023/246320A1
The present application provides a method for recycling a waste fiber-reinforced composite material. The recycling method comprises the following steps: (1) subjecting the waste fiber-reinforced composite material to crushing and soaking...  
WO/2023/247638A1
The depolymerization method comprises the successive steps of pyrolizing a feed material containing polymer in a pyrolysis reactor so as to generate a hot gas stream, removing solid and liquid impurities from the gas stream in a separato...  
WO/2023/247286A1
A process for the depolymerizing waste plastic material and producing a pyrolytic oil comprising a specific reactor set-up is disclosed. The setup comprises a reactor with a recycling circuit provided with a centrifugal pump and a shell ...  
WO/2023/249580A1
The invention relates to a chemical method for producing a polyol by using the polyurethane foam wastes to recover the wastes that occur during the production of the flexible polyurethane foam into the system.  
WO/2023/241927A1
A process for recovering an amine substance from a polyurethane material, preferably from an end-of-life (eol) polyurethane material, is provided, wherein the process comprises alcoholising a polyurethane material by contacting the polyu...  
WO/2023/241979A1
Process for purifying a plastic feedstock, comprising: a) a dissolution step comprising placing the plastic feedstock in contact with a dissolution solvent comprising a hydrocarbon compound having a boiling point of between -15 and 100°...  
WO/2023/242352A1
The present invention provides cellulose-based gels comprising PHA granules within the pores which are bound to the cellulose network of the gel. The gels of the invention are prepared by process comprising the step of contacting a cellu...  
WO/2023/242678A1
Described is a plant for separating materials, comprising a rotary drum (3) for containing material to be separated, a tank (4) for containing a solvent to be introduced into the rotary drum (3), a tank (5) for collecting solvent dischar...  
WO/2023/242335A2
The present invention relates to the use of a catalytic system comprising ionic liquids and metal oxides in a process to produce hydrogen from decomposition of plastic materials, as well as to a process for the production of hydrogen, sa...  
WO/2023/241980A1
The invention relates to a method for purifying a plastics feedstock comprising polypropylene, said method comprising the steps of: a) dissolving the plastics feedstock in a dissolution solvent comprising a hydrocarbon compound having a ...  
WO/2023/244162A1
The present invention relates to a method for digesting biodegradable packaging waste and an apparatus thereof. Specifically, the present invention relates to a method of treating biodegradable packaging waste prior to subjecting the bio...  
WO/2023/241978A1
Process for purifying a plastic feedstock comprising polyethylene, which comprises: a) dissolving the plastic feedstock in a dissolution solvent comprising a hydrocarbon compound having a boiling point of between -15°C and 100°C, at a ...  
WO/2023/242557A2
The invention relates to textile fibres, and particularly, although not exclusively, to textile microfibres and/or textile nanofibres, and their conversion into carbon nanomaterials. The invention extends to methods for converting non-bi...  
WO/2023/242197A1
The present invention relates to a process for purifying and recovering the mono-ethylene glycol (MEG) from a solution obtained from the depolymerization of at least one polyester having at least one unit of MEG. This solution is prefera...  
WO/2023/241926A1
A process for recovering a polyol substance from a polyurethane material, preferably from an end-of-life (eol) polyurethane material, is provided, wherein the process comprises alcoholising a polyurethane material by contacting the polyu...  
WO/2023/239893A1
A process and device for continuous thermal decomposition of plastic waste. The process includes feeding the plastic waste continuously into an extruder to melt and extrude the plastic; feeding the melted plastic waste from the extruder ...  
WO/2023/237603A1
A method for manufacturing a polyamide B comprising melt-mixing a polyamide A and a salt C of a diacid and a diamine, wherein the polyamide B has a lower viscosity number than the polyamide A, and having a specific ratio of the ratio of ...  
WO/2023/231628A1
A process and system for implementing the continuous preparation of a high-purity BHET monomer from waste polyester. The process comprises: first, carrying out screw extrusion melting and pre-alcoholysis on waste polyester in a screw ext...  
WO/2023/234687A1
The present invention provides a method for preparing an acylic acid and/or glycolide, comprising a step of pyrolyzing a hydroxyalkanoate copolymer in the presence of a catalyst containing tin.  
WO/2023/234688A1
The present invention provides a method for preparing acrylic acid, comprising a step for preparing acrylic acid by pyrolysis of poly(3-hydroxypropionic acid) in the presence of a certain transition metal oxide.  
WO/2023/234696A1
The present invention relates to a method for producing diacid from plastic wastes, and provides a method for biosynthesizing diacid from plastic wastes, the method comprising a step for fermenting plastic pyrolysis oil or a processed pr...  
WO/2023/234008A1
[Problem] To properly supply a reducing agent to a reduction tower even if the reducing agent contains a powdery or granular solid content. [Solution] This reducing agent supply system is for supplying a reducing agent for reducing metal...  
WO/2023/227841A1
The present application relates to a method for producing a molded recycled polyurethane foam for a seat element, from seat cover material.  
WO/2023/227899A1
A recycling plant (1) includes a reaction vessel (3) for receiving a mixed waste stream (2), and a plurality of holding vessels (4) for holding multiple different types of organic solvents. An optimiser (7) determines which of the possib...  
WO/2023/227473A1
The invention relates to a continuous method for converting a plastic material containing a polyurethane, comprising the following steps: providing a reaction mixture, the reaction mixture comprising - a plastic material, which is in the...  
WO/2023/227840A1
The present application relates to a method for producing a molded recycled polyurethane foam for a seat, from a molded used polyurethane foam.  
WO/2023/228034A1
The present invention relates to a heterogenous catalyst and to a process for producing the heterogenous catalyst, which consists in impregnating an active metal onto activated carbon, the catalyst being supported inside a reactor by a m...  
WO/2023/228613A1
A polyimide according to one embodiment of the present disclosure comprises an uncrosslinked structure containing a main chain. The main chain contains an Si-O-C bond. The main chain may contain a C-O-Si-O-C bond. The main chain, for exa...  
WO/2023/223932A1
A continuous organic matter pyrolysis device 1 comprising: an inputting part 10 for continuously inputting organic matter; a vertical container 12 for housing the organic matter inputted by the inputting part 10; a stirring means 14 that...  
WO/2023/224474A1
Method for depolymerising polymers into one or more monomers. A fluidised reactor system is provided comprising a pyrolysis chamber (2), a combustion chamber (12), and bed material that circulates from the combustion chamber (12) to the ...  
WO/2023/222880A1
The disclosure relates to various compositions, related systems and articles, and methods of making and using the same. In some aspects, the disclosure relates to compositions containing a nanostructured organic compound, compositions co...  
WO/2023/225453A1
A purge system for a polymerization system may include a purge column including a stripping zone and a stripping fluid distributor below the stripping zone for injecting a stripping fluid including one or more light olefins. A first disp...  
WO/2023/222621A1
The present invention relates to a process for modifying a post-consumer recycled polyolefin composition comprising the steps of (A) providing a post-consumer recycled polyolefin composition having a starting melt flow rate MFR2 (1), det...  

Matches 201 - 250 out of 9,552