Class / Patent application number | Description | Number of patent applications / Date published |
525454000 | Mixed with carboxylic acid or derivative reactant or polymer derived therefrom; or with heterocyclic reactant containing more than one heterocyclic ring; or polymer therefrom | 21 |
20080207847 | Furanic-modified amine-based curatives - Difunctional aromatic diamines (e.g. Ethacure® 100 and 300) are derivatized with furan-2,5-dicarboxylic acid (FDCA) to form FDCA-derived bisamides; the derivatives have enhanced curative properties when used as curatives for polyureas, hybrid epoxy-urethanes, hybrid urea-urethanes, chain extenders for polyurethane and polyurea elastomers, and also for reaction injection molding (RIM) products. | 08-28-2008 |
20080227929 | Process for Preparing a Polyisocyanurate Polyurethane Material - A process for preparing a polyisocyanurate polyurethane material, which process comprises reacting a polyisocyanate and an isocyanate-reactive composition, wherein the reaction is conducted at an isocyanate index of 150 to 5000 and in the presence of a trimerisation catalyst, wherein the polyisocyanate comprises a) 80-100% by weight of diphenylmethane diisocyanate comprising at least 40%, preferably at least 60% and most preferably at least 85% by weight of 4,4′-diphenylmethane diisocyanate and/or a variant of said diphenylmethane diisocyanate which variant is liquid at 25° C. and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 20-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 1100-5000 and an oxyethylene (EO) content of 50-90% by weight and b) 20-0% by weight of one or more other isocyanate-reactive compounds, the amount of polyol a) and isocyanate-reactive compound b) being calculated on the total amount of this polyol a) and compound b) and wherein the hardblock content is at most 49%. | 09-18-2008 |
20080287613 | Low-Monomer-Concentration, Low-Viscosity Solutions of Tdi Isocyanurates in Branched Dialkyl Phthalates - The present invention relates to novel low-monomer-concentration, low-viscosity solutions of diisocyanatotoluene-based isocyanatoisocyanurates in branched dialkyl phthalates as environmentally acceptable plasticizers for polyvinyl chloride, to a process for preparation of these solutions, and to their use as adhesion-promoting additives for coating compositions based on plasticized polyvinyl chloride. | 11-20-2008 |
20080306221 | (METH)ACRYLATE FUNCTIONAL POLYURETHANE AND METHOD OF MAKING - The present invention relates to (meth)acrylate functional polyurethanes that are useful in solid, particulate film-forming compositions. | 12-11-2008 |
20090054604 | ISOCYANATO TERMINATED PRECURSOR AND METHOD OF MAKING THE SAME - A method of making an isocyanato terminated precursor for polyurethane is disclosed. The method comprises heating an isocyanate containing about two or more isocyanato groups per molecule at a temperature of up to 80 degrees Celsius and at a pressure of about 1 atmosphere. The method further comprises mixing a modified vegetable oil comprising about two or more hydroxyl groups per molecule with the isocyanate at a molar equivalent ratio of at least 2:1 isocyanate to vegetable oil for a predetermined time period to form the isocyanato terminated precursor. | 02-26-2009 |
20090111952 | (Meth)acrylate-grafted polyether polyol, and production process and use thereof - A (meth)acrylate-grafted polyether polyol produced by reacting 40 to 95 parts by weight of a polyoxyalkylene polyol and 5 to 60 parts by weight of a vinyl monomer, both relative to 100 parts by weight of the sum total of the polyoxyalkylene polyol and the vinyl monomer, and 0.1 to 5 moles of an alkyl peroxide as a radical initiator per mole of the hydroxyl group in the polyoxyalkylene polyol, wherein the polyoxyalkylene polyol has a hydroxyl number of 25 mg KOH/g or less, and the vinyl monomer contains a (meth)acrylate and/or a hydroxyl-containing (meth)acrylate in an amount of 50% by weight or higher. The (meth)acrylate-grafted polyether polyol is excellent in colorless-transparency, compatibility, mechanical strength, weather resistance, and blending resistance, and therefore is useful as a raw material for a polyurethane resin cured article. | 04-30-2009 |
20090124765 | POLYMER COMPOSITION - To provide a polymer composition whereby the viscosity increase during storage can be suppressed low. | 05-14-2009 |
20090131605 | Hardenable resin composition - A hardenable resin composition containing a urethane-modified epoxy resin (A), a block urethane (B), and a latent hardener (C). The hardenable resin composition of the present invention is excellent in adhesion to various substrates and provides a hardened product that exhibits flexibility over a wide temperature range from low to high temperatures, so that the hardenable resin composition can be used suitably as a structural adhesive, particularly as a structural adhesive for automobiles. | 05-21-2009 |
20100261852 | POLYCARBONATE DIOL - A polycarbonate diol comprising repeating units represented by the following formula (A) and a terminal hydroxy group, 60-100 mol % of the repeating units represented by the formula (A) being repeating units represented by the following formula (B) or (C). The amount of the repeating units represented by the formula (B) is 60-100 mol % based on the total amount of the repeating units represented by the formula (A). The polycarbonate diol has a terminal primary OH ratio of 95% or higher. (A) (In the formula, R represents a C | 10-14-2010 |
20100280187 | REACTION INJECTION MOLDED POLYURETHANES MADE USING HIGH LEVELS OF NATURAL OIL-BASED POLYOLS - Polyurethane and/or polyurea polymers are produced in a reaction injection molding process. The high equivalent weight isocyanate-reactive materials include a high proportion of a hydroxymethylated polyester which can be prepared using annually renewable starting materials. | 11-04-2010 |
20110034641 | PREPARATION OF SUPRAMOLECULAR POLYMERS CONTAINING QUADRUPLE HYDROGEN BONDING UNITS IN THE POLYMER BACKBONE - The present invention relates to a supramolecular polymer comprising quadruple hydrogen bonding units within the polymer backbone, wherein at least a monomer comprising a 4H-unit is incorporated in the polymer backbone via at least two reactive groups up to four reactive groups, provided that the 4H-units are not covalently incorporated in the polymer backbone through one or more silicon-carbon bonds. The invention also relates to processes for preparing such supramolecular polymers and their use in personal care applications, surface coatings, imaging technologies, biomedical applications, (themo)reversible coatings, adhesive and sealing compositions and as thickening agents, gelling agents and binders. | 02-10-2011 |
20110196110 | ALUMINUM CHELATE LATENT CURING AGENT AND PRODUCTION METHOD THEREOF - An aluminum chelate latent curing agent is configured such that an aluminum chelating agent and a specific arylsilane compound or a hydrolysate thereof are held in a polymer obtained by subjecting the aluminum chelating agent, the arylsilane compound, and a polyfunctional isocyanate compound to an emulsifying treatment, and then subjecting the polyfunctional isocyanate to interfacial polymerization. The aluminum chelating agent does not have an alkoxy group bonded to the aluminum. The arylsilane compound is a compound represented by the formula W. | 08-11-2011 |
20120142870 | Isocyanate- and Aldimine Group- Carrying Compounds with a Low Isocyanate Monomer Content - Isocyanate- and aldimine group-carrying compounds VB of formula (I), their compositions and I uses thereof. The moisture cross-linking polyurethane compositions are characterized by a surprisingly low content in monomeric isocyanates and are therefore especially suitable as hot-melt adhesives. | 06-07-2012 |
20130066023 | REACTIVE ISOCYANATE-TERMINATED PREPOLYMERS FOR BINDER APPLICATIONS - Elastomer composites are prepared by wetting particles of a natural or synthetic rubber with a liquid one-component moisture-curable resin composition and then exposing the wetted particles to moisture to cure the resin composition. The moisture-curable resin composition comprises (a) an isocyanate-terminated polyurethane prepolymer having an isocyanate content of from 0.5 to 12% by weight and (b) from 1 to 30%, based on the combined weight of components (a) and (b), of an epoxide or lactone compound having a molecular weight of from about 70 to about 1000 and which is miscible in the prepolymer at the relative proportions thereof that are present. In addition, the composition contains no more than 0.1% by weight of compounds having a primary or secondary amino group. | 03-14-2013 |
20130289223 | POLYMERIC COUPLING AGENTS AND PHARMACEUTICALLY-ACTIVE POLYMERS MADE THEREFROM - A pharmaceutically-active polymeric compound of the general formula (I), | 10-31-2013 |
20140142257 | POLYURETHANE RESIN FOR MOISTURE-PERMEABLE WATER-PROOF MATERIALS, AND POLYURETHANE RESIN COMPOSTION - The present invention aims to provide a polyurethane resin for moisture-permeable waterproof materials which is excellent in all of the moisture permeability, waterproofness, and resistance to washing. The polyurethane resin for moisture-permeable waterproof materials according to the present invention is a polyurethane resin for moisture-permeable waterproof materials, obtainable by reacting an active hydrogen component (A1) with an organic polyisocyanate component (B),
| 05-22-2014 |
20140303330 | RADICAL-CURABLE HOT-MELT URETHANE RESIN COMPOSITION AND OPTICAL MOLDED BODY - A radical-curable hot-melt urethane resin composition includes 100 parts by mass of a hot-melt urethane (X) having a (meth)acryloyl group and 0.5 to 5.0 parts by mass of a radical polymerization initiator (Y), wherein the hot-melt urethane (X) is obtained by introducing, using a (meth)acrylate compound (D) having an active-hydrogen-containing group, a (meth)acryloyl group into a hot-melt urethane prepolymer (C) that has isocyanate groups at its terminals and is obtained by a reaction of a polyol (A) and an alicyclic polyisocyanate (B), the polyol (A) containing an aliphatic polycarbonate polyol (a1), an alicyclic polycarbonate polyol (a2), or an aliphatic polyether polyol (a3), in an amount of more than 50 mol % and 100 mol % or less of the total number of isocyanate groups of the urethane prepolymer (C). | 10-09-2014 |
20140316076 | ISOCYANATE-FUNCTIONAL PREPOLYMER FOR A BIOLOGICALLY DEGRADABLE FABRIC ADHESIVE - The present invention relates to an isocyanate functional prepolymer that can be achieved through
| 10-23-2014 |
20160002388 | PHOTOCURABLE MATERIAL COMBINING RADICAL CURABILITY AND ANIONIC CURABILITY - A photocurable material that allows dark portion curing even if the form of a material to be cured is complicated and the length of an unirradiated portion is long. The photocurable material has both of radical curability and anionic curability, is a photocurable liquid composition curable by irradiation of light, and contains (meth)acrylate and a chain transfer agent, wherein the chain transfer agent is a compound containing one or more of at least one kind selected from a urethane bond, a urea bond, and an isocyanate group, and one or more alkoxysilyl groups. The photocurable material is capable of curing even a portion that irradiation light does not reach. | 01-07-2016 |
20160030641 | MIXED-PHASE BIOMATERIALS - A method of preparing a mixed-phase thermoplastic biomaterial comprises contacting and reacting a diol and a graft pre-polymer comprising a diol and at least one covalently bonded unsaturated monomer with an organic diisocyanate compound. The reaction is conducted within an aprotic solvent and for a period of time and at a temperature sufficient to produce the mixed-phase thermoplastic biomaterial. The diol may be selected from the group consisting of siloxane diols, polyether diols, polyester diols and polycarbonate diols while the at least one covalently bonded unsaturated monomer may be selected from the group consisting of a fluorinated monomer, a siloxane monomer, an aliphatic ester of methacrylic acid, a cyclic ester of methacrylic acid, a charged monomer, a sulfonium salt, a vinyl monomer with phenol or benzoic acid, N-vinyl pyrrolidone, an aminoglucoside, and a therapeutic agent. The mixed-phase thermoplastic biomaterial may further include an anti-microbial, a therapeutic agent or both. | 02-04-2016 |
20160096983 | METHOD FOR PRODUCING HOT MELT ADHESIVES CONTAINING SILANE GROUPS - A method for producing a hot melt adhesive containing silane groups, in which at least one polyurethane polymer which contains isocyanate groups and is solid at room temperature is reacted with at least one hydroxysilane that is devoid of urea and thiourethane groups. The hot melt adhesive containing silane groups obtained from the method allows a low hazard classification, has a good degree of thermal resistance when melted such that, even upon application under prolonged heating, it does not tend towards premature thickening, releases no unpleasant odours, and crosslinks at room temperature without bubbles under the influence of moisture, resulting in an optically and mechanically high-quality and resistant adhesive connection. | 04-07-2016 |