Abstract: A method and device for high-pressure mixing of polyurethane components, in which one of the polyurethane components is pre-mixed with a filler material and/or with an additive. The device comprises a mixing chamber into which first and second polyurethane components are radially injected, and a slide valve which moves between a fore or closure position and a rear or opening position of the mixing chamber. The slide valve at its fore end is provided with a feeding chamber for a third polyurethane component pre-mixed with the filler material and/or additive, and an outlet hole; a cleaning pin for the outlet hole slides into a longitudinal guide hole of the slide valve.

Abstract: This invention relates to a protected organotin-based catalyst system for polyurethane synthesis that is useful in coatings applications. The catalyst has low activity in the absence of oxygen. When a coating mixture comprising the catalyst is sprayed and/or applied to a substrate as a thin film in air, the catalyst is activated. For solvent-based refinish systems comprising hydroxyl and isocyanate species at high solids levels, the catalyst system therefore provides extended viscosity stability, i.e., pot life.

Abstract: The invention disclosed a composite permeable brick comprising a permeable surface layer and a permeable base layer. The surface layer and the permeable base layer, which respectively comprise an aggregate and a binder adhering to the aggregate, are closely combined together. The binder in the permeable surface layer at least comprises a hydrophilic binder. The permeable brick according to the invention has a good permeability and is of low cost, because of the compact and permeable surface of the brick. The invention also discloses a mixture for preparing the composite permeable brick, comprising an aggregate and a binder adhering to the aggregate. The binder at least comprises a hydrophilic binder, and the binder/aggregate ratio is from 1:100 to 20:100 by mass.

Abstract: A primer/topcoat coil coating system employs crosslinkable branched hydroxyl-functional polyester-imide resins derived or derivable from a symmetric aromatic imide trial and a diacid or acid-producing derivative. The primer resin has a hydroxyl number greater than about 90 but not more than about 215, the topcoat resin has a hydroxyl number greater than about 100 but not more than about 215, and the primer and topcoat can each be hardened in 30 seconds or less to provide a coating having at least 0T flexibility with no tape off and at least 2H pencil hardness.

Abstract: The invention relates to binding agents for radiation-cured aqueous paints, said agents containing reaction products ABCDE composed of A epoxy compounds with at least two epoxy groups per molecule, B unsaturated fatty acids, C olefinically unsaturated monomers, D compounds containing unsaturated aliphatic hydroxyl groups and E multi-functional isocyanates, whereby the compounds C are always directly bonded to the compounds B, the compounds D are always directly bonded to the compounds E and the compounds A are always directly bonded to the compounds B. The invention also relates to methods for producing said binding agents and to the use thereof.

Abstract: The present invention provides coating compositions that include reactive diluents and have high performance, low VOC levels, and low irritation levels.

Abstract: A method of forming golf balls with at least a portion formed from polyurethane and polyurea compositions employing a curative blend that includes a pigment, a curing agent, and a compatible freezing point depressing agent so that the curative blend has a lower freezing point than the curing agent by itself and the blend does not lose pigment dispersion upon solidification and subsequent thawing.

Abstract: A two-component adhesive, sealant, or coating composition containing (i) a first component containing a portion of an alkoxysilane-functional urethane and water; and (ii) a second component containing the remaining portion of the alkoxysilane-functional urethane and a catalyst. The alkoxysilane-functional urethane includes the reaction product of (a) the reaction product of a hydroxy functional compound and a polyisocyanate, that contains isocyanate groups; with (b) an amine functional aspartate. The composition is used in a method of bonding a first substrate to a second substrate. The method includes (a) combining component i) and component ii) to form a mixture, applying a coating of the mixture to at least one surface of the first substrate or the second substrate, and contacting a surface of the first substrate with a surface of the second substrate. The method is used make an assembly.

Abstract: The present invention relates to a pressure sensitive adhesive composition comprising a continuous phase and a discontinuous phase wherein a) the continuous phase comprises a water vapour permeable hydrophobic polymer; and b) the discontinuous phase comprises a water soluble salt.

Abstract: An ink set for ink-jet recording which includes multiple inks having different colors. Each of the multiple inks includes a colorant, a water-soluble organic solvent, a fluorine-based surfactant, and water. The viscosity difference among the multiple inks is 2.0 mPa·s or less at a temperature of 25° C. and a shearing speed of 230 1/s, and the viscosity difference among the multiple inks is 0.5 mPa·s or less at a temperature of 25° C. and a shearing speed of 100,000 1/s.

Abstract: The present invention relates to color-stable curing agent compositions for polyurethane coating materials.

Abstract: The present invention relates to polyurethane/ureas wherein the polyurethane/ureas contain 0.5 to 6% by weight, based on the weight of the polyurethane/ureas, of alkoxysilane groups (calculated as Si, MW 28), which have been incorporated by the reaction of isocyanate groups with a dihydroxy compound containing urea and alkoxysilane groups, and wherein the polyurethane/ureas optionally contain hydrophilic groups and are optionally dispersed in an aqueous medium. The present invention also relates to a process for preparing these polyurethane/urea and to their use for preparing coatings.

Abstract: The present invention relates to a process for preparing antimicrobial plastics compositions comprising a thermoplastic, particularly of thermoplastic elastomer, and at least one pulverulent antimicrobial active ingredient, specifically from the group of the bis(4-amino-1-pyridinium)alkanes, and to the use of this plastics composition for catheters and other medical-technology products.

Abstract: The invention relates to moisture-curing polyisocyanate mixtures, to a process for their preparation and to their use as binders in lacquers, coatings, adhesives and sealing materials.

Abstract: A processing aid is used in the processing of thermoplastic polyurethanes to give various articles including a self-supporting film. The processing aid contains a) 10-50% by weight of hydrophobized, at least partially aggregated, metal oxide particles selected from the group consisting of aluminium oxide, silicon dioxide and mixtures thereof, b) 20-75% by weight of one or more thermoplastic polyurethanes, c) 0.5-25% by weight of one or more isocyanates, d) 0.5-15% by weight of one or more compounds which act as lubricant and dispersant, the sum of the constituents a) to d) amounting to at least 90% by weight, based on a total weight of said processing aid.

Abstract: A composition comprises a distribution of telomers of ethylene and at least one fluoroalkyl or perfluoroalkyl halide, the telomers comprising at least one polymethylene segment (—(CH2)n—) and at least one halomethyl group (—CXH2) and optionally comprising at least one non-fluorine heteroatom, and the halogen being selected from iodine and bromine; wherein the distribution has a number average ratio of methylene moieties of the polymethylene segment to the halomethyl groups of at least about 15.

Abstract: Polymeric urethane dispersants with solubilizing polymer chains and with reactive carbon to carbon double bonds are described. The reactive double bonds facilitate molecular weight build-up of the dispersant on dispersed particles (enhancing colloidal stability) or enhance the ability of the dispersants to be crosslinked into a matrix material.

Abstract: To present a resin composition comprising a thermoplastic polyurethane which can be melted at a low temperature, is capable of bonding in a short time and is excellent in flexibility; and a hot melt adhesive. A resin composition comprising a thermoplastic polyurethane which has structural units derived from a diol compound (I) containing a polyester ether diol (A) which has an initiator (a), a dicarboxylic acid anhydride (b) and an alkylene oxide (c), a diisocyanate compound (II) and a chain extender (III), wherein ([II]+[III])/([I]+[II]+[III])=0.20 to 0.40 where [I], [II] and [III] are the proportions by mass (mass %) of the structural units derived from the diol compound (I), the diisocyanate compound (II) and the chain extender (III), respectively; the NCO index is from 0.90 to 1.05; and the structural units derived from the dicarboxylic acid anhydride (b) are contained in an amount of from 10 to 50 mass % in the polyester ether diol (A).

Abstract: The present invention relates to the preparation of aqueous, solvent-free or low-solvent, storage-stable polyurethane crosslinker dispersions having pyrazole-blocked isocyanate groups, to coating compositions prepared from them and to their use in coatings.

Abstract: The present invention is a coating composition for coating materials, such as silica sand and other media, containing a water-based polyurethane dispersion, a colorant, and optional ingredients such as coalescing solvents and cross-linking agents, and a coated silica sand which is strong in color, lightfast, and resistant.

Abstract: Phase change ink comprising colorant and carrier comprising additive of formula wherein A, E, G, and J are —H, —Cl, —Br, —I, —OH, —COOH, amino, alkyl, aryl, arylalkyl, alkylaryl; Z is —H, alkyl, aryl, arylalkyl, alkylaryl, —(CH2CH2O)mH, Na, K, —P(X)(OR5)(OR6) wherein X is oxygen or sulfur, or —C(?O)R7, and n is 0, 1, 2, or 3. Also, a process which comprises (1) incorporating into an ink jet printing apparatus a phase change ink as disclosed herein; (2) melting the ink; and (3) causing droplets of the melted ink to be ejected in an imagewise pattern onto a substrate.

Abstract: The present invention relates to polyacrylate-modified polyisocyanates which are i) prepared from aromatic, araliphatic, cycloaliphatic and/or aliphatic polyisocyanates having an NCO content of 5% to 25% by weight, an NCO functionality ?2, a viscosity measured as solvent free resin of 150 to 200,000 mPa·s at 23° C., and ii) contain at least one structural unit of the formula (I) wherein R is hydrogen or a methyl group, R1 is an optionally heteroatom-containing hydrocarbon radical and R2 is a hydrocarbon radical having at least one isocyanate group and optionally urethane, allophanate, biuret, uretdione, isocyanurate and/or iminooxadiazinedione groups and n is a number ?1. The present invention also relates to a process for preparing these polyisocyanates and to binder compositions containing these polyisocyanates, which may be hydrophilically modified, and a compound having NCO-reactive groups.

Abstract: In order to provide a non-stick coating which permits a very high coat thickness even under load, a polymeric matrix with embedded non-stick particles is used.

Abstract: The invention provides an aqueous inkjet ink composition comprises a polymeric compound comprising discrete particles responsive to an external stimulus, and a functional material, wherein the functional material may be incorporated as part of the polymeric particles, the particles causing the composition to have a first rheological state and a different second rheological state in response to a stimulated change in conditions, the first rheological state being associated with a first lower viscosity of the composition, wherein the particles have a first lower volume, enabling the composition to pass through an inkjet printhead orifice and the second rheological state being associated with a second higher viscosity of the composition, wherein the particles have a second higher volume, enabling immobilisation of droplets of the composition on a substrate.

Abstract: Disclosed is a phase change ink comprising a colorant, an initiator, and a phase change ink carrier, said carrier comprising (A) a compound which is the reaction product of a mixture comprising (1) an isocyanate; and (2) a component comprising (a) an alcohol having at least one ethylenic unsaturation; (b) an amine having at least one ethylenic unsaturation; (c) an acid having at least one ethylenic unsaturation; or (d) mixtures thereof, (B) a phase change inducing component, said phase change inducing component containing at least one hydroxyl group, said phase change inducing component having a melting point of about 40° C. or higher, and (C) an optional curable viscosity modifying ester, said ink being curable upon exposure to ultraviolet radiation.

Abstract: The present invention relates to a soft, semicrystalline, thermoplastic elastomer composition which is comprised of (I) a hydrophobic thermoplastic block copolymer which is comprised of (I) the reaction product of (1) a hydrophobic polyol or polyamine, (2) a polyisocyanate or an aromatic dicarboxylic acid, and (3) a chain extender containing 2 to 20 carbon atoms, or the reaction product of (1) a hydrophobic polyol or polyamine, and (2) a carboxyl terminated telechelic polyamide sequence; wherein the hydrophobic polyol or polyamine has a number average molecular weight in the range of from 1,000 to 4,000 Daltons; wherein the hydrophobic thermoplastic block copolymer has a weight average molecular weight in the range of 50,000 to 1,000,000 Daltons; and (II) from 1 to 80 weight percent of a mineral oil, wherein the soft, semicrystalline, thermoplastic elastomer composition has a Shore A hardness which is within the range of 20 to 80.

Abstract: Crosslinked coatings comprising a reaction product of a compound containing two or more active hydrogen groups and a lactide are disclosed, as are substrates coated therewith.

Abstract: A coating comprising the reaction product of a natural oil derived polyol, a lactide and a radiation curable moiety, such as a (meth)acrylate, are disclosed.

Abstract: Radiation-curable formulations leading to flexible coatings with enhanced corrosion control on metal substrates. The invention relates to radiation-curable formulations which in the cured state offer a particular degree of corrosion control for metallic substrates and at the same time are sufficiently flexible for deformation.

Abstract: A radiation curable coating comprising the reaction product of a polyol and a polycarboxylic acid/anhydride is disclosed. The reaction product may be made from at least some biomass derived compound. Coatings wherein this reaction product is further reacted with a hydroxyl-carboxylic acid and/or a compound having a radiation curable moiety are also disclosed, as are substrates coated with any of these coatings.

Abstract: A barrier structure includes a composite film. The composite film includes a polymer matrix and a plurality of dispersed high aspect ratio glass particles within the polymer matrix.

Abstract: The present invention relates to a printing formulation comprising monodisperse particles, at least one curing agent, at least one initiator and a solvent, as well as to the use of these formulations and to substances printed with these formulations.

Abstract: The invention is directed to aqueous coating compositions with improved rheology performance, comprising A) at least one water-dilutable binder, optionally, at least one cross-linking agent B), at least one sagging control agent C) obtainable by reacting a polyisocyanate with an amine, water and optionally usual coating additives, pigments and/or organic solvents, wherein the sagging control agent is obtained by reacting in an aqueous phase in presence of a water-dilutable binder C1) at least one polyisocyanate with C2) at least one amine having at least one primary amino group and at least one hydroxyl group.

Abstract: An ink composition includes a polyurethane resin and at least one selected from a metal compound and hollow resin particles as a colorant, and in the ink composition described above, the polyurethane resin is a polycarbonate-based or a polyether-based anionic polyurethane resin.

Abstract: The invention relates to radiation-curable compounds, processes for the preparation thereof, the use thereof and coating materials comprising them and having high scratch resistance.

Abstract: The invention provides polyurethanes filled with carbon black, which are characterised by a high dielectric constant and high breakdown strength, and which are synthesised from polyalkylene oxides that have been produced by DMC catalysis. The compositions comprise polyether polyurethanes which are the reaction products of one or more polyisocyanates and one or more polyol components, the polyol components being comprised of a) polyalkylene oxides produced by DMC catalysis, and b) 0-50 wt. % of polyols free from catalyst residues, and B) 0.1-30 wt. % of carbon black.

Abstract: Provided are a heat-dissipating black resin composition having excellent physical properties such as heat-dissipation, workability, corrosion resistance, solvent resistance, coating adherence and gloss, and being free from chromium and used for surface treatment of a zinc coated steel sheet, a method for treating a zinc coated steel sheet, and a zinc coated steel sheet treated thereby. The composition includes, based on 100 parts by weight: 10 to 60 parts by weight of a resin composition which at least one main resin and a melamine-based curing agent are mixed in a weight ratio of 10:2-7, the main resin being selected from the group consisting of polyester, epoxy, polyolefin, polyurethane, fluorine, phenol, acryl and polycarbonate resins; 1 to 10 parts by weight of at least one pigment selected from the group consisting of carbon black and carbon nano tube; 1 to 10 parts by weight of a matting agent; and the balance of a solvent.

Abstract: The present invention is drawn toward ink-jet inks, coating compositions, methods of printing durable images, and fluoro-diol-modified polyurethanes. The ink-jet ink can comprise a liquid vehicle, a colorant, and a fluoro-diol-modified polyurethane binder having a weight average molecular weight from about 3,000 Mw to about 180,000 Mw, wherein each side chain of the binder has no more than 15 fluoro substitutions.

Abstract: The present invention relates to polyurethane ureas dissolved in organic solvents, which may be used as an adhesive coat for the coating of textiles.

Abstract: The present invention relates to innovative amorphous polyurethane polymers of the formula (I) and also to hotmelt adhesive compositions based on them. The compositions are notable for greatly improved dimensional stability after application, and are ideally suited to the adhesive bonding of transparent substrates. The polymers are notable for rapid, bubble-free curing.

Abstract: Reactive hot melt adhesives compositions with long open time and/or high green strength are prepared by the use of urethane diols. These results are achievable at moderate/low application viscosity or low application temperature.

Abstract: A process for coating a metallic surface of an aircraft. The process includes applying to the metallic surface a composition that polymerizes to form a polyurea having a tensile strength of more than 3500 psi and at least 700% elongation. The polyurea can be formed from an A-side and a B-side, where the weight percents of components for the A-side are: from about 30 to about 65 percent of polyisocyanate; from about 15 to about 70 percent of a polytetramethylene ether glycol; diluent, from 0 to about 20 percent; where the weight percents of components for the B-side are: from 35 to about 40 percent of one or more aromatic diamines; from about 20 to about 70 percent of one or more amine terminated polyether polyols.

Abstract: Non-aqueous, liquid coating compositions which contain at least one hydroxyl-functional polyurethane resin A as the only hydroxyl-functional binder(s) and at least one crosslinking agent B with groups reactive with the hydroxyl groups of A, wherein the at least one polyurethane resin A is present as particles having a melting temperature of 40 to 180° C.

Abstract: A polyamide-imide resin insulating varnish includes an aromatic diamine component, an aromatic diisocyanate component, an acid component including an aromatic tricarboxylic acid anhydride, and a solvent. The aromatic diamine component includes an aromatic diamine with three or more benzene rings and an aromatic diamine with two or less benzene rings. The aromatic diamine with three or more benzene rings and the aromatic diamine with two or less benzene rings are added 99/1 to 30/70 in mole ratio.

Abstract: Inkjet inks that have, as a principal component, a crosslinked polyurethane dispersoid binder additive with selected diols used to prepare the polyurethane. The diols include a polyether diol, an ionic diol and polycarbonate, polyamide and/or poly(meth)acrylate diols. These inks can be used for printing on different media, and are particularly suitable for printing on textiles. The printed textiles are particularly durable to wash fastness and crock.

Abstract: A process for coating flexible substrates applying a curable fluorinated copolymer A which is the reaction product of FC and M1) at least one polycarboxylic anhydride and/or M2) at least a monofunctional isocyanate, wherein FC is a curable fluorinated copolymer on the basis of FC1) at least one fluorinated olefin having 2 to 10 carbon atoms, FC2) at least one non-fluorinated olefin having OH-groups and optionally carboxyl groups and FC3) at least one non-fluorinated, hydroxyl group free olefin having optionally carboxyl groups.

Abstract: The present invention relates to a process for the preparation of self-extinguishing thermoplastic polyurethanes which optionally contain conventional additives and/or auxiliary substance.

Abstract: An improved color-converting photoluminescent film that provides visible light emission in the red to green portion of the visible spectrum when excited by blue light. The color-converted photoluminescent film of the invention is patternable and has improved luminous efficiency and stability and is suitable for use in electroluminescent displays. The film comprises a mixture of a clear UV curable resin and photo-initiator which does not absorb blue light; and fluorescent pigment particles, wherein a molecular additive is optionally provided in to either or both of the pigment particles and curable resin. The mixture is screen printed onto a substrate to form a film and UV cured.

Abstract: The invention relates to a thermoset plastic material, comprising a three-dimensional matrix containing sulphur atoms and at least one anti-plasticizing additive which is unreactive toward said matrix.

Abstract: Non-aqueous, liquid coating compositions which contain at least one polyurethane resin B with blocked isocyanate groups and at least one binder C with functional groups reactive towards the blocked isocyanate groups of B, wherein the at least one polyurethane resin B is present as particles having a melting temperature of 40 to 160° C.