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WO/2024/018648A1 |
[Problem] To remove the need for a high-temperature/high-pressure treatment environment in the use of hydrolysis treatment to treat waste food-residue that is discharged in large quantities, and enable suitable, inexpensive hydrolysis tr...
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WO/2024/018148A1 |
The present invention relates to a method for producing an elastic yarn by means of melt extrusion spinning using a spinning machine (1) comprising an extruder (2) and a spinning pack (3) comprising at least one spinneret (19), the metho...
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WO/2024/013196A1 |
The application provides a process for recovering purified ε-caprolactam from nylon 6-containing multi-component material which comprises the steps of a) providing a pre-concentrated nylon 6-containing material obtained by extraction, b...
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WO/2024/013423A1 |
The present invention relates to a method for the depolymerization of a polyurethane mass, preferably thermoset polyurethane. The method comprises four main steps: i) mixing the polyurethane mass with a depolymerization reaction medium c...
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WO/2024/013194A1 |
The present invention provides a process for recovering ε-caprolactam and polyether polyurethane from polyamide 6 and polyether polyurethane comprising material in a plant, wherein the plant comprises a separation section [B], a depolym...
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WO/2024/013195A1 |
The present invention provides a process for recovering nylon 6 and spandex from nylon 6 and spandex products in a plant, wherein the plant comprises a separation section [B], which comprises a dissolution section [α] and a precipitatio...
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WO/2024/013254A1 |
The present invention relates to a method for producing a carboxylic acid from a hydrolyzable polymer containing the carboxylic acid, the method comprising at least the following method steps: i) depolymerizing the polymer by hydrolyzing...
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WO/2024/013284A1 |
The present invention describes a method of recycling at least a portion of a textile material comprising polyester fibers, the method comprising - a mixing step comprising bringing the textile material comprising polyester fibers and at...
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WO/2024/014723A1 |
The present invention relates to a method for producing bis-2-hydroxyethyl terephthalate, the method comprising the steps of: (1) adding a waste polyester raw material into a co-extruder to obtain a co-extrudate; (2) adding the co-extrud...
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WO/2024/014455A1 |
A chemical recycling device 100 is equipped with: a depolymerization reaction tank 300 that degrades a first molded article made of a polymer into a depolymerized product through a depolymerization reaction; a polymerization reaction tan...
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WO/2024/013197A1 |
The present invention provides a process for recovering ε-caprolactam and polyether polyurethane from nylon 6 and polyether polyurethane comprising material in a plant, wherein the plant comprises a separation section [B], a depolymeriz...
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WO/2024/014448A1 |
According to the present invention, in the presence of a hydrolysis catalyst, a fluorene-containing resin having a fluorene skeleton and an ester bond and/or a carbonic acid ester bond is reacted with carbonic acid ester to decompose the...
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WO/2024/013165A1 |
Methods for treating post-consumer and/or post-industrial waste containing impact modified polymers of monovinylidene aromatic monomers are disclosed. The methods may include forming a solution comprising a solvent and at least one post-...
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WO/2024/015707A1 |
The present invention is directed to polyamide recovery from domestic or commercial waste. In particular, a method of polyamide recovery from domestic or commercial waste, via a selective dissolution procedure, using a methanol-calcium c...
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WO/2024/008728A1 |
The present invention relates to a solvent-efficient process for recycling one or more polymers selected from the group consisting of polyurethanes, polyurethane ureas, polyisocyanurates, and a mixture of two or more thereof, said one or...
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WO/2024/008847A1 |
The present invention relates to a process for separating, by membrane filtration, a plastic solvolysis mixture that comprises a plastic degradation product, a solvent and a catalyst. The obtained fractions can be recycled and, for examp...
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WO/2024/011260A1 |
Provided is a continuous process for converting waste plastic into recycle for polypropylene polymerization. The process comprises selecting waste plastics containing polyethylene and/or polypropylene and preparing a blend of a bio feeds...
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WO/2024/011259A1 |
Provided is a continuous process for converting waste plastic into recycle for polyethylene polymerization. The process comprises selecting waste plastics containing polyethylene and/or polypropylene and preparing a blend of a bio feedst...
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WO/2024/008726A1 |
The present invention relates to a process for producing one or more polymers, selected from the group consisting of polyurethanes, polyurethane ureas, polyisocyanurates, and a mixture of two or more thereof, from a solid material W.
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WO/2024/011261A1 |
Provided is a continuous process for converting waste plastic into recycle for chemical production. The process comprises selecting waste plastics containing polyethylene and/or polypropylene and preparing a stable blend of a bio feedsto...
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WO/2024/008727A1 |
The present invention relates to a process for recycling one or more polymers selected from the group consisting of polyurethanes, polyurethane ureas, polyisocyanurates, and a mixture of two or more thereof, said one or more polymers bei...
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WO/2024/008671A1 |
The present invention relates to a thermoset crosslinked epoxide resin composition obtainable by a method that comprises mixing an epoxide-functionalised resin with a cross-linking agent and a catalyst; and curing the mixture thus obtain...
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WO/2024/004369A1 |
Provided is a method for producing a recycled acrylic adhesive agent by regenerating a base polymer from an acrylic adhesive agent. Provided is a recycled acrylic adhesive tape using a recycled acrylic adhesive agent obtained from said p...
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WO/2024/005446A1 |
The present invention relates to a hybrid depolymerization method for a polymer comprising an ester functional group and, specifically, to a method comprising: using, as a reaction solvent, a mixture of a compound with a carbonyl functio...
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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...
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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) ...
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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: ...
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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...
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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 ...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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 (...
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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...
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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 ...
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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: (...
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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...
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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...
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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...
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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 ...
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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.
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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...
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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°...
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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...
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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...
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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...
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