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WO/2024/005991A1 |
The current disclosure relates to a solventless NCO terminated prepolymer comprising the reaction product of: (1) a pure nonmodified 4,4' MDI, (2) a silane coupling agent capable of being grafted to a urethane prepolymer and (3) a polyol...
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WO/2024/000342A1 |
Provided in the present invention are a hydrophilically modified polyisocyanate, and a preparation method therefor and the use thereof. On the basis of the method provided in the present invention, the problems of a slow reaction rate, a...
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WO/2024/002477A1 |
The present invention relates to, a curable photochromic composition that includes: (a) a photochromic compound; (b) a polyisocyanate including at least two isocyanate groups; and (c) a reactive component having at least two reactive gro...
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WO/2024/004715A1 |
Provided is a urethane-based two-component curing adhesive that has high curability and adhesive strength and uses, as a curing agent, a glycerol ester-based polyol. The two-component curing adhesive of the present invention comprises:...
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WO/2024/002945A1 |
The present invention relates to a screen-printable stretchable conductive carbon ink that comprises pyrrole-functionalized carbon nanoparticles and a specifically designed pyrrole bearing polyurethane binder. In particular, the present ...
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WO/2024/003383A1 |
The present invention relates to a method of fast curing a polythiourethane based transparent casted substrate, comprising in a preferred embodiment providing a first component A comprising a polythiourethane pre-polymer A1 having isocya...
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WO/2024/004976A1 |
A polycarbodiimide compound that is a reaction product of a polycarbodiimide (a) having isocyanate groups at both ends, obtained by polymerizing at least one selected from aliphatic diisocyanates and alicyclic diisocyanates, and a polyme...
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WO/2024/004755A1 |
A compound according to the present invention is represented by general formula (1). General formula (1): (In formula (1), A represents an n-valent organic group that contains a sulfur atom; n represents an integer of 3 or more; S repr...
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WO/2024/002869A1 |
The invention is directed to a thermoplastic polyurethane composition comprising polystyrene and a phosphorus containing flame retardant.
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WO/2024/004813A1 |
The present invention addresses the problem of providing a urethane-based coating material which is obtained using a glycerol ester-based polyol and which yields a coating film having excellent physical properties. The present invention ...
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WO/2024/006691A1 |
A foam forming composition for making a flexible polyurethane foam comprises a polyol component including one or more polyether polyols having a hydroxyl number from 25 to 100 mg KOH/g, as determined in accordance with ASTM D4274, and ha...
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WO/2024/005141A1 |
The present invention provides a composition for holographic recording media, the composition being characterized by containing the components (a) to (d) described below, and being also characterized in that the abundance of allophanate ...
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WO/2024/002742A1 |
The invention relates to compositions comprising silicone urethane (meth)acrylates having at least three (meth)acrylate groups and not more urethane groups than (meth)acrylate groups, methods for preparing said compositions, as well as r...
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WO/2024/006419A1 |
An embodiment includes a system comprising: a backbone; a first polyurethane shape memory polymer (SMP) foam on the backbone; a second polyurethane SMP foam on the backbone; a third polyurethane SMP foam on the backbone and between the f...
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WO/2024/005139A1 |
Provided is a method for producing an optical element, wherein a holographic recording medium having a recording layer containing a polymerizable compound and a photopolymerization initiator is subjected to multiple hologram-recording ex...
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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/2023/221693A9 |
Disclosed are a rigid polyurethane foam, a preparation method, and a heat preservation material, refrigerator and freezer comprising a polyurethane foam, relating to the technical field of heat preservation materials, and capable of solv...
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WO/2023/249272A1 |
Disclosed in the present specification are: urethane having improved thermal insulation performance since the thermal conductivity of the urethane is lowered; and a refrigerator comprising same. The urethane according to one embodiment m...
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WO/2023/245958A1 |
Disclosed in the present invention is a tear-resistant color-changing film, which comprises a substrate layer, wherein the substrate layer comprises a colored film layer; the first surface of the substrate layer is provided with a pressu...
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WO/2023/247391A1 |
The present invention relates to reactive mixtures and processes for forming isocyanate based flexible and semi-rigid polyimide comprising foams which have high temperature resistance with good acoustic properties.
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WO/2023/248782A1 |
Provided is a member having excellent wear resistance. The member (10) comprises a foam layer (20) and a coating layer (30), wherein the coating layer is exposed. The coating layer (30) has a polyol, an isocyanate, a photopolymerizable...
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WO/2023/248783A1 |
Provided is a toner seal member which exhibits excellent performance. A toner seal member (10) comprises a foam layer (20) and a coating layer (30), the coating layer (30) being exposed. The coating layer (30) is based on polyol, isocy...
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WO/2023/221694A9 |
Disclosed are a polyurethane foam material and a preparation method therefor, a refrigerator and a freezer, belonging to the technical field of high polymer materials. The polyurethane foam material disclosed in the present invention com...
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WO/2023/247278A1 |
The present invention relates to a process for preparing an epoxy-group-terminated impact modifier, in which process one or more polyisocyanates (a) are mixed with two or more polyols (b), containing at least one polyether polyol (b1) an...
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WO/2023/248536A1 |
The purpose of the present invention is to provide a polyurethane foam containing plant-based polyols as a raw material and having high repulsion. The polyurethane foam can be obtained from a composition containing polyols and polyisoc...
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WO/2023/249171A1 |
The present invention provides: a photocurable composition which can implement a coating layer having excellent coatability and excellent surface quality and thickness uniformity; a coating layer comprising a cured product of the photocu...
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WO/2023/247716A2 |
The invention relates to a bismuth-containing catalyst as such, which is defined by the general formula (I) detailed in the subsequent text. The bismuth-containing catalyst comprises as a dicarboxylate ligand a dianion (R1)2- according t...
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WO/2023/249800A1 |
A polyurethane product having digital functionality including a matrix of polyurethane and one or more sensor devices embedded therein is disclosed. The polyurethane product may be produced by combining a polyisocyanate compound, a compo...
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WO/2023/248535A1 |
A purpose of the present invention is to provide a low-density polyurethane foam that can easily be manufactured. The polyurethane foam is obtained from a composition containing polyols and polyisocyanates. The polyols contain a plant-...
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WO/2023/248494A1 |
The present invention provides an oxyethylene structure-containing polycarbonate polyol which has a hydroxyl value of 10 mgKOH/g to 400 mgKOH/g, while containing a specific amount of a specific structural unit.
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WO/2023/245764A1 |
A cold-mixed resin, a mixture and a preparation method therefor, and an ultrathin-wearing-course pavement and a paving method therefor. The cold-mixed resin comprises the following components in parts by weight: 10-22 parts of an epoxy r...
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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/2023/249854A1 |
An aspartate-terminated prepolymer can be a reaction product of a reaction mixture including an aliphatic NCO-terminated prepolymer having an NCO content of from 0.5% to 15% and a number average NCO functionality of < 2, and a di- or pol...
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WO/2023/250043A1 |
A method or process for a wood adhesive system comprising polymeric diphenylmethane diisocyanate (pMDI) in combination with a functionalized oil. The wood adhesive system may be used in the manufacturing of engineered wood products, such...
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WO/2023/244740A1 |
The invention provides a composition for preparing a chemical-mechanical polishing pad via photopolymerization, comprising one or more acrylate urethane oligomers, one or more acrylate monomers and at least one photo-polymerization initi...
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WO/2023/243773A1 |
Disclosed are a preparation method for a polymer polyol and a polymer polyol prepared thereby, the method comprising the steps of: (a) reacting a first mixture containing an initiator, a polyol, a diluent, a stabilizer, a styrene-based m...
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WO/2023/242421A1 |
The present invention is directed to a process for producing a polyurethane having carboxyl groups, said method comprising the steps of providing a polyol composition (PC) essentially consisting of at least one compound (a) bearing at le...
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WO/2023/242046A1 |
The invention relates to a process for preparing a polyurethane foam, comprising reacting a polyisocyanate with a polyether polyol component a) in the presence of a blowing agent, wherein polyether polyol component a) comprises: a1) a fi...
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WO/2023/241882A1 |
To provide a topcoat layer having excellent external appearance, moldability, chemical resistance, water resistance, and weather resistance, a lamination film containing the same, and a decorative article decorated by the lamination film...
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WO/2023/243436A1 |
Provided is a curable liquid silicone composition comprising, at specific ratios, (A) a diorganopolysiloxane having at least one alkenyl group per molecule, (B) an organohydrogen-polysiloxane having at least two silicon atom-bonded hydro...
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WO/2023/240945A1 |
The present invention relates to the technical field of coatings, and provides a polyurea coating and a preparation method therefor. The polyurea coating comprises a first component and a second component; the first component comprises t...
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WO/2023/243124A1 |
The present invention provides a curable composition that can smoothly adapt to a dimensional change in a seal section, said dimensional change being caused by heat during a fire, can reliably maintain a filled condition of the seal sect...
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WO/2023/243941A1 |
The present invention is to provide a polyurethane resin composition for a hot-melt adhesive, and a preparation method therefor, using a polytrimethylene ether glycol from which cyclic oligomers are removed.
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WO/2023/243262A1 |
The present invention provides a vinyl group-containing prepolymer which has excellent dielectric characteristics. A vinyl group-containing prepolymer according to one embodiment of the present invention comprises: a first moiety that ...
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WO/2023/244739A1 |
The invention provides a composition for preparing a chemical-mechanical polishing pad via photopolymerization and heating, the composition comprising a first component comprising: one or more acrylate-blocked isocyanates, one or more ac...
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WO/2023/242054A1 |
The present invention relates to novel treatments of fibrous substrates for obtaining a durable water repellent effect. The methods described herein prove to be environmentally friendly and allow the use of renewable starting materials. ...
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WO/2023/240668A1 |
An environmentally friendly automotive floor mat material, comprising a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 100 of polymethylene polyphenyl isocyanate, 10-30 of...
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WO/2023/240670A1 |
Disclosed is a thermoplastic elastomer material for an automotive foot mat, which material comprises a component A, a component B and a component C, wherein the component A comprises, by weight, 30-50 of toluene diisocynate, 10-30 of dip...
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WO/2023/243513A1 |
This urethane resin: is formed from a polyurethane containing a hydrogenated polyolefin polyol as the polyol unit; has a urethane group concentration of 0.80 to 1.10 mol/kg; and has a weight-average molecular weight of 12,300 to 42,000.
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WO/2023/241155A1 |
The present disclosure belongs to the technical field of rigid polyurethane foam, and particularly relates to a high-oxygen-index flame-retardant rigid polyurethane foam, a composition therefor, and a preparation method therefor. The com...
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