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WO/2023/163739A1 |
A composite material, including a closed cell polyurethane matrix portion exhibiting at least some properties associated with wood and a particulate portion homogeneously distributed and suspended in the matrix portion. The particulate p...
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WO/2023/161345A1 |
The invention relates to a compound for use as a catalyst in the preparation of polyisocyanate polyaddition products, to the preparation thereof and to the use thereof as a catalyst, preferably a thermolatent catalyst, for the preparatio...
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WO/2023/162870A1 |
A block isocyanate composition according to the present invention which contains a block isocyanate derived from a polyisocyanate compound and two or more types of block agents, wherein the polyisocyanate compound contains an aliphatic t...
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WO/2023/162303A1 |
The present invention provides a polyester characterized by having a structure derived from a compound (X) represented by formula (1). The present invention further provides: a polyurethane characterized by being a product of reaction be...
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WO/2023/164654A1 |
Polyurethane waste blending using dynamic urethane exchange and twin-screw extrusion is described. The method may comprise introducing the polyurethane composition into a compounding device, heating the polyurethane composition to an eff...
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WO/2023/163463A1 |
The present invention relates to a resin composition and a display device comprising same, the resin composition containing a (meth)acrylic-modified urethane oligomer, a photopolymerizable monomer, and a photoinitiator having a weight av...
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WO/2023/161251A1 |
The present invention relates to an improved process for depolymerization of polyurethanes under mild conditions and low salt concentration in the reaction mixture, wherein polyether polyols and polyamines can be recovered in high yields.
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WO/2023/164052A1 |
A first process produces poly(glycerol sebacate) urethane (PGSU)-based microparticles. The first process includes forming a first composition including a poly(glycerol sebacate) (PGS) resin and dispersing the first composition in a conti...
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WO/2023/160197A1 |
The present invention discloses a single-component organic silicon-modified sealant and a preparation method therefor. The single-component organic silicon-modified sealant is prepared from the following raw materials: 15 to 40 parts of ...
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WO/2023/157430A1 |
[Problem] To obtain a photocurable urethane gel-state body that: through a first-stage cure, is in a gum state and exhibits a self-molding behavior of conforming to the shape of a use surface; and through a second-stage photocure, provid...
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WO/2023/157384A1 |
The present invention provides a moisture-curable polyurethane hot-melt resin composition comprising a urethane prepolymer (i) having an isocyanate group, which is a product of reaction between a polyol (A) and a polyisocyanate (B), and ...
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WO/2023/156715A1 |
The invention relates mainly to a biobased polyurethane resin composition which is essentially characterized in that it is obtained by mixing a volume V1 of polyisocyanate phase, and a volume V2 of polyol phase, and in that: either the p...
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WO/2023/157732A1 |
[Problem] The purpose of the present invention is to provide: a polyamidimide resin which is capable of stably spinning nanofibers which have a small fiber diameter; and polyamidimide fibers and a non-woven fabric comprising the same. [S...
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WO/2023/158225A1 |
The present invention relates to a self-healing and recyclable polyurethane polymer and a preparation method therefor. Specifically, the present invention relates to a thermo-curable polyurethane copolymer and a method for preparing same...
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WO/2023/156898A1 |
The invention relates to a process for obtaining a polyether polyol with a bimodal molecular weight distribution, intended for the production of flexible polyurethane foams, in particular of soft, hypersoft and thermoplastic types. The p...
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WO/2023/156441A1 |
The invention relates to UV curable coating composition comprising (A) a component A, comprising Aa) one or more resins, each of these resins having a hydroxyl number in the range of 0 to 25 mg KOH/g; each of these resins having a (meth)...
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WO/2023/155693A1 |
The present application relates to a two-component aqueous coating composition and coated article made therefrom. The two-component aqueous coating composition comprises: component A, comprising at least one silicone-modified hydroxy acr...
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WO/2023/157807A1 |
This polyurethane resin composition contains an isocyanate group-terminated urethane prepolymer (E) or a reaction product of the isocyanate group-terminated urethane prepolymer (E) and a chain extender (G), and a neutralizing agent (F), ...
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WO/2023/153484A1 |
The present invention provides a method for producing a polythiol composition, the method comprising: a step for generating a polythiol composition (S), which contains two or more polythiol compounds, by reacting a composition X that con...
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WO/2023/151161A1 |
A polyurethane composite material container having a changeable shape, comprising a charging inlet, a container wall and a discharging outlet. The charging inlet is located at the top of the container, the discharging outlet is located a...
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WO/2023/153397A1 |
The present invention provides a prepolymer composition which contains an isocyanate group-terminated prepolymer. The isocyanate group-terminated prepolymer comprises a reaction product between a polyisocyanate component that contains 1,...
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WO/2023/152400A1 |
The invention relates to a method for the coupled production of polyurethanes. Polyurethane can be produced with a reduced CO2 footprint by means of the energetic combination of the polyurethane synthesis with preceding process steps.
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WO/2023/153398A1 |
This prepolymer composition contains an isocyanate group-terminated prepolymer. The isocyanate group-terminated prepolymer contains a product of a reaction between a polyol component and a polyisocyanate component including 1,4-bis(isocy...
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WO/2023/154030A1 |
The invention relates to the development of a system for the recovery of rare earth elements by adding a nanofiltration membrane which performs pre-concentration before solvent extraction.
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WO/2023/152224A1 |
Disclosed herein are membranes, composition for forming membranes, methods for forming membranes, and sensors and devices comprising membranes. The membrane comprises the reaction product of a diisocyanate, a polymeric aliphatic diol, a ...
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WO/2023/151174A1 |
Disclosed in the present invention are environmentally-friendly flexible conductive polyurethane and a preparation method therefor. The environmentally-friendly flexible conductive polyurethane is prepared from a component A and a compon...
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WO/2023/148089A1 |
The present invention relates to an elastomeric polyurethane comprising at least a first flame retardant in an amount of ≥ 5% to ≤ 9% by weight based on the total weight of the elastomeric polyurethane and at least one mineral filler...
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WO/2023/148287A1 |
: The present invention suggests a multi-component composition comprising an isocyanate-reactive compound, an isocyanate compound, a source of chemically bound water, optionally a catalyst, and optionally a CO2 scavenger. Moreover, the p...
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WO/2023/147792A1 |
The invention relates to the technical field of optical resin, in particular to a polythiol composition and a use thereof. The polythiol composition comprises a thiol compound represented by formula (1) and 2,3-dithio (2-mercapto)-1-prop...
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WO/2023/148674A1 |
A composition comprising or, alternatively, consisting of: - isocyanates blocked by means of a blocking agent selected from the group consisting of: (i) optionally 2-pentanone oxime; (ii) 4-methylpentane-2-one oxime; (iii) 5-methyl-3-hep...
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WO/2023/148380A1 |
The invention relates to a mixed polynitron having aromatic nitron groups, at least one linear aliphatic group and at least one cycloaliphatic group. The invention also relates to a process for preparing a mixed polynitron, to a formulat...
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WO/2023/148059A1 |
The present invention relates to: a foamable multi-component composition for producing foamed fire-protection profiles; and fire-protection profiles produced from the multi-component composition according to the invention. The foamable m...
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WO/2023/149434A1 |
A polishing layer containing polyurethane, the elongation at break of the polyurethane at a tension speed of 50mm/min after undergoing 50°C water-based saturation swelling being less than 100%; a polishing pad comprising said polishing ...
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WO/2023/148675A1 |
A composition comprising or, alternatively, consisting of: - isocyanates blocked by means of a blocking agent selected from the group consisting of: (i) optionally 2-pentanone oxime; (ii) 4-methylpentane-2-one oxime; (iii) 5-methyl-3-hep...
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WO/2023/149258A1 |
The purpose of the present invention is to improve the adhesion between layers in a layered body when the layered body is molded by lamination/integration by thermal molding. A two-part reactive composition according to an embodiment i...
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WO/2023/149261A1 |
The purpose of the present invention is to provide a method for forming a multilayer coating film whereby it is possible to form a multilayer coating film that exhibits superior sag resistance, mirror finish, and luster. A first coatin...
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WO/2023/150439A1 |
The in-mold coating compositions comprising a low energy can be applied over a mold release coating applied to a surface of a mold cavity. A prepreg can be applied over the in-mold coating and the in-mold coating and the prepreg simultan...
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WO/2023/149262A1 |
The purpose of the present invention is to provide a method for forming a multilayer coating film whereby it is possible to form a multilayer coating film that exhibits superior sag resistance, mirror finish, and luster. A first coatin...
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WO/2023/150473A1 |
Isocyanate-functional polyurethane prepolymers are prepared by reacting a polymeric diol, a non-linear short chain diol, a multifunctional polyol, and a diisocyanate. Coating compositions comprising the isocyanate-functional polyurethane...
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WO/2023/145697A1 |
Provided is a chlorine-containing polyether polyol that serves as a material for producing polyurethane having excellent mechanical properties, heat stability, moldability, and flame resistance. The chlorine-containing polyether polyol...
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WO/2023/142977A1 |
The present application relates to the field of anticorrosion coatings, and in particular to a polyaspartic polyurea coating and a preparation method therefor. The polyaspartic polyurea coating comprises: a polyaspartic ester: 36%-60%; k...
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WO/2023/144057A1 |
The present invention relates to a method for producing soft polyurethane foams, which have in particular a low compression hardness and/or a low compression set value (DVR), using aliphatic oligomeric polyisocyanates and monohydroxy-fun...
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WO/2023/144294A1 |
The invention relates to a process for purification of a polyether polyol which is prepared by ring-opening polymerization of an alkylene oxide in the presence of an initiator having a plurality of active hydrogen atoms and a composite m...
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WO/2023/143876A1 |
The present invention relates to a solvent-based polyurethane adhesive composition for bonding flexible packaging materials, which is debondable after curing by treating with water or an aqueous solution. Further, the present invention r...
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WO/2023/141978A1 |
The present invention relates to a polyol composition, a polyurethane reaction system, a polyurethane resin and a polyurethane composite.
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WO/2023/143834A1 |
The present invention relates to a reaction mixture for manufacturing an inorganic-filler based closed-cell rigid polyisocyanurate (PIR) comprising foam, the reaction mixture comprising mixing at an isocyanate index >120: - At least one ...
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WO/2023/143833A1 |
The present invention relates to a reaction mixture for manufacturing an inorganic-filler based closed-cell rigid polyurethane or polyisocyanurate (PU or PIR) containing foam having a calorific value below 6 MJ/kg, preferably below 4.5 M...
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WO/2023/145837A1 |
The present invention provides a polythiol composition which contains a polythiol compound, wherein: the composition contains a compound C2 that has a retention time of 16.0 minutes to 19.0 minutes as determined by high-speed liquid chro...
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WO/2023/143929A1 |
The present invention relates to a polyurethane prepolymer composition, comprising a reaction product of an isocyanate component and a polyol component, wherein the reaction product comprises isocyanate groups at an amount of 5.0 to 13.0...
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WO/2023/147230A1 |
A coating composition includes: (a) a polymeric resin including hydroxyl functional groups; (b) a polyisocyanate crosslinker; (c) a thiol including at least 2 active hydrogen groups, where the active hydrogen groups include a thiol group...
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