Abstract: An aqueous polyurethane resin is prepared by reaction of an isocyanate group-terminated prepolymer with a chain extender containing polyamine. The isocyanate group-terminated prepolymer is obtained by reaction of at least a polyisocyanate containing 50 wt % or more of a non-multiple ring polyisocyanate that does not contain an aromatic ring and an aliphatic ring, or contains one aromatic ring or aliphatic ring; polyoxyethylene polyol; and a polyoxyethylene side chain-containing active compound having two or more hydroxyl groups or isocyanate groups at its molecular terminal and having a polyoxyethylene group in the side chain.

Abstract: A cationic polyurethane resin aqueous dispersion wherein a cationic polyurethane resin (B) including a structural unit (A) represented by the following general formula (I) is dispersed in aqueous medium, and the content of a cationic amino group of the structural unit (A) in the cationic polyurethane resin (B) is 0.005 to 1.5 equivalents/kg. (In the formula, R1 represents an alkylene group which may include an alicyclic structure, a residue of bivalent phenol or polyoxyalkylene group, R2 and R3 each independently represents an alkyl group which may include an alicyclic structure, and R4 represents a hydrogen atom or a residue of the quaternizing agent which is introduced by the quaternizing reaction, and X? represents an anionic counter ion.

Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) at least one polyisocyanate; (b) at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) at least one polyol having one or more bromine atoms, one or more phosphorus atoms or combinations thereof; compositions, coatings and articles made therefrom and methods of making the same.

Abstract: The present invention discloses polyurethane dispersions based on aliphatic isocyanates which form hard coatings wherein the coatings also have good solvent resistant properties. The enhanced properties of the coatings are achieved by including from 1 to 8 weight percent of a high functional polyol in the polyol formulation for producing the dispersions.

Abstract: Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyester polyol component.

Abstract: An aqueous aromatic polyurethane elastomeric article is fabricated by an aqueous aromatic polyurethane dispersion, prepared by polyurethane prepolymers comprising wholly aromatic diisocyanates, especially toluene diisocyanate (TDI). And, a method of fabricating the elastomeric article is provided.

Abstract: A water-base adhesive mix for producing tires and containing, by weight, 20 to 80% water, 10 to 40% of a cross-linkable unsaturated-chain polymer base, 0.2 to 1% sulphur, 1 to 25% of a reinforcing filler, 1 to 10% of emulsifiers, 2 to 8% of a resin which cross-links by reaction with polyisocyanates, and 0.5 to 5% of an aqueous dispersion having blocked aromatic polyisocyanates with an activation temperature of 120 to 160° C. The blocked aromatic polyisocyanates are produced by reaction of an aromatic polyisocyanate (a), a blocking agent (b), and a nonionic diol alkoxylate (c) of the general formula (I) R1CH2O(CH2CH2O)n(CH2CHCH3O)mR2??(I) where R1 is R2 and R3 are the same or different, and are selected from methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl; n is a whole number from 0 to 40 m is a whole number from 0 to 40 n+m is a whole number from 20 to 80.

Abstract: A curable coating composition includes a uretdione compound having one uretdione group and having a plurality of functional groups selected from crosslinkable groups and groups that modify a coating property. The disclosed coating compositions include those having a binder component having a plurality of active hydrogen-containing groups. When the uretdione compound has a functional group that is a crosslinkable group, the coating composition further includes a crosslinker that has a plurality of crosslinking groups reactive under curing conditions with the crosslinkable group. Also disclosed is a method of making the curable coating composition, including preparing the uretdione compound having one uretdione group and having at least one further functional group.

Abstract: A novel method of preparing an aqueous dispersion of non-uniform polyurethane particles which comprises (a) preparing at least two isocyanate-terminated polyurethane prepolymers having different hydrophilicities; (b) preparing a uniform mixture of said prepolymers, and (c) dispersing the mixed prepolymers in an aqueous medium. The resulting dispersion of the prepolymers may optionally be chain extended. This method enables the preparation of core-shell particles as well as particles of other morphologies, including “raspberry”, interpenetrating network, “salt-and-pepper”, “ice-cream cone” and particles of gradient composition. Similarly, an aqueous dispersion of two different polyurethane polymers may be obtained by first preparing at least two different isocyanate-terminated polyurethane prepolymers, preparing a uniform mixture of such prepolymers and thereafter dispersing the mixture in an aqueous medium.

Abstract: There is provided a pigment dispersion including water, an aqueous polymer and a pigment as essential components, wherein the aqueous polymer is a carboxyl group-containing polyurethane which is formed by reacting a diol compound, a diisocyanate compound and a reaction product, which is mainly composed of a compound represented by general formula (1) and prepared by reacting a diol compound having one or two carboxyl groups within each molecule with a diisocyanate compound and which also has a reaction index as calculated by (Formula 1) within a range from 0.95 to 1.10.

Abstract: An environmentally safe additive and vehicle system are provided for water-based and oil-based printing inks, paints, coatings and adhesives which can be rapidly transferred, dispersed, dispensed, spread, dried and cured. The low cost, stable additive and vehicle system enhance multiple color, high speed printing with sharp, highly defined images and superior quality, and can be used on many different types of substrates, such as paper, paperboard, cardboard, clay coated board, foil, plastic, glass, metal, wood and composites. The additive may be formed by the reaction product of a photoinitiator, such as an UV-activated polyelectrolyte, and a monomer, such as an acrylate or a methacrylate in an aqueous solution. In other embodiments, the additive is formed from a carboxylic acid or anhydride and alkylalkanolamine monomer or a dialkylaminoalkyl acrylate or methacrylate monomer in an aqueous solution.

Abstract: The present invention relates to glycine derivatives as additive for an aqueous polyurethane dispersion. Said glycine derivatives can increase the fluidity of aqueous polyurethane dispersion and therefore is useful for preparation of aqueous polyurethane dispersion with high solid content. Besides, the glycine derivatives are able to significantly decrease the viscosity of aqueous polyurethane dispersion; therefore, the aqueous polyurethane dispersion with high solid content can be stored stably.

Abstract: Disclosed is an aqueous polyurethane obtained by reacting a sulfonate containing a hydrophilic group represented by the following general formula (1): (in which M represents an alkali metal atom or an ammonium, and p represents an integer of 2 to 20) and an amino group with a polyurethane prepolymer having an isocyanate group at an end thereof, characterized in that the hydrophilic group represented by the general formula (1) bonds with a urea bond moiety of the polyurethane.

Abstract: Fluorinated polyurethanes and methods of making the same are provided. The fluorinated polyurethanes are useful for making polyurethane coating compositions for use in aerospace and other applications. The method includes a “split process” by which a hydroxypolyalkylenoxy derivative of a perfluoropolyoxyalkane is separately reacted with isocyanate to produce an isocyanate-terminated compound. The isocyanate-terminated compound is then reacted with an emulsifier to produce an acid- and hydroxyl-functional compound. The acid- and hydroxyl-functional compound is then reacted with isocyanate to form an acid-functional, isocyanate-terminated compound. The acid-functional, isocyanate-terminated compound is then reacted with at least one polyol to produce a higher molecular weight, acid- and hydroxyl-functional compound. Finally, the acid functional groups of the high molecular weight, acid- and hydroxyl-functional compound are neutralized to form a fluoro-urethane salt which is dispersed in water.

Abstract: The invention relates to an aqueous polyurethane dispersion suitable for use in personal care products, the dispersed polyurethane comprising the reaction products of: A) a prepolymer according to the formula: wherein R1 represents a bivalent radical of a dihydroxyl functional compound, R2 represents a hydrocarbon radical of an aliphatic or cycloaliphatic polyisocyanate, R3 represents a radical of a low molecular weight diol, optionally substituted with ionic groups, n is from 0 to 5, and m is >1; B) at least one chain extender according to the formula: H2N—R4—NH2 wherein R4 represents an alkylene or alkylene oxide radical not substituted with ionic or potentially ionic groups; and C) at least one chain extender according to the formula: H2N—R5—NH2 wherein R5 represents an alkylene radical substituted with ionic or potentially ionic groups.

Abstract: A thermal transfer image-receiving polymeric sheet capable of recording thereon thermally transferred dye or ink images in a clear and sharp form. The image-receiving layer comprises at least one water dispersible aliphatic polyether-polyurethane resin and at least one water dispersible aliphatic polyester-polyurethane resin or a silica dispersion or an anionic aqueous emulsion of wax.

Abstract: An aqueous composition with a sediment content ?5%, comprising a polyurethane dispersion wherein the polyurethane has an acid value in the range of from 25 to 65 mgKOH/g and comprises (i) 36 to 60 wt % of at least one aromatic polyisocyanate and where the polyurethane is prepared in the presence of (a) ?5 wt % of 1-methyl-2-pyrrolidinone by weight of the polyurethane, (b) 5 to 100 wt % of 1-ethyl-2-pyrrolidinone by weight of polyurethane and (c) water.

Abstract: Novel aqueous polyurethane dispersions and adhesive films formed therefrom are provided. The aqueous polyurethane dispersions are provided in solvent-free systems of a prepolymer comprising at least one polyether or polyester polyol, a mixture of MDI isomers, and a diol. The adhesive films from such dispersions can be heat-activated for bonding, lamination, and adhesion of textile fabrics, including stretch fabrics.

Abstract: An ambient temperature curable hydrophilic PU oligomer includes a PU pre-polymer having a hydrophilic center group and a curable terminated group. The ambient temperature curable hydrophilic PU oligomer includes the moisture-curable hydrophilic PU oligomer such as isocyanate-terminated PU pre-polymer and free-radical curable hydrophlic PU oligomer. The isocyanate-terminated PU pre-polymer is synthesized by mixing at least one multi-isocyanate, at least one polyol and one or more diol monomer with hydrophilic group. The acrylate-terminated PU oligomer is synthesized by adding 2-hydroxyethyl methacrylate (HEMA) into the isocyanate-terminated hydrophilic PU pre-polymer. Either acrylate- or isocyanate-terminated PU oligomer can be applied on a textile or a glass surface with a thin-layer coating technology. The curing reactions of these hydrophilic thin-layer coatings are carried out with moisture or UV-radiation, respectively, at ambient temperature.

Abstract: An inkjet ink composition comprising water, pigment particles dispersed with a polymeric dispersant, at least one water-dispersible polyurethane, at least one pyrrolidinone compound, glycerol, and a 1,2-alkanediol having from four to eight carbon atoms.

Abstract: Aqueous polyurethane dispersion are disclosed where the dispersions contain from 5 to 70 weight percent polyurethane solids wherein the solids are obtained from at least one isocyanate terminated prepolymer prepared by reacting (a) a polyol or polyol blend having a mean average equivalent weight of 200 to 2,000; and (b) at least one polyisocyanate where the prepolymer is dispersed in water; optionally in the presence of (c) one or more stabilizers; or (d) one or more amine chain extenders or both; wherein the prepolymers have an isocyanate (NCO) content of from 2 to 40 weight percent and the polyol or polyol blend (a) contains at least 15 weight percent of a polyester based on a polycarboxylic acid or lactone component and a glycol component, wherein the glycol component contains isomers of 1,3- and 1,4-cyclohexanedimethanol (1,3-/1,4-CHDM) where the ratio of the 1,3-/1,4-isomers is from 35:65 to 65:35.

Abstract: This invention relates to sprayable polyurethaneurea compositions, composite articles comprising at least one layer of these polyurethaneurea compositions and at least one layer of a polyurethaneurea foam forming composition, and to a process for the production of these composites.

Abstract: A textile benefit composition comprising a polyurethane and/or a polyurethane co-polymer; a cross-linking agent; a catalyst; and a carrier and processes for making and using the aforementioned compositions and textiles treated with such compositions are disclosed.

Abstract: A polyurethane dispersion is prepared by reacting a hydroxy-functional sulfonated unsaturated alkyd with an isocyanate in the presence of one or more vinyl monomers to form a blend containing the vinyl monomers and a sulfonated polyurethane polymer containing ethylenic groups. The blend is dispersed in water and the vinyl monomers are reacted by free radical polymerization.

Abstract: A cationic polyurethane resin aqueous dispersion wherein a cationic polyurethane resin (B) including a structural unit (A) represented by the following general formula (I) is dispersed in aqueous medium, and the content of a cationic amino group of the structural unit (A) in the cationic polyurethane resin (B) is 0.005 to 1.5 equivalents/kg. (In the formula, R1, represents an alkylene group which may include an alicyclic structure, a residue of bivalent phenol or polyoxyalkylene group, R2 and R3 each independently represents an alkyl group which may include an alicyclic structure, and R4 represents a hydrogen atom or a residue of the quaternizing agent which is introduced by the quaternizing reaction, and X? represents an anionic counter ion.

Abstract: Disclosed is a carboxyl group-containing polyurethane containing a structure derived from a polycarbonate diol (B), the polycarbonate diol (B) having: (i) a number-average molecular weight of 500 to 50,000; (ii) an alkylene group of 8 to 18 carbon atoms in its structure; and (iii) hydroxyl groups at both ends. The carboxyl group-containing polyurethane is suitable as materials of cured products that are excellent in adhesion with substrates, low warpage, flexibility, plating resistance, soldering heat resistance and long-term reliability.

Abstract: An aqueous composition comprising a polyurethane dispersion with a sediment content ?5%, wherein the polyurethane has an acid value in the range of from 25 to 65 mgKOH/g and comprises (i) 36 to 60 wt % of at least one aromatic polyisocyanate and where the polyurethane is prepared in the presence of (a) ?5 wt % of 1-methyl-2-pyrrolidinone by weight of the polyurethane and (b) at least one reactive diluent.

Abstract: An object of the present invention is to improve abrasion-resistance and spin performance of a golf ball having a polyurethane cover. The golf ball of the present invention is a golf ball having a core and a cover covering the core. The cover contains a layered silicate and a polyurethane resin having a secondary or a tertiary amine structure in a molecular chain thereof. In the present invention, the polyurethane resin used as a resin component constituting the cover has a secondary or tertiary amine structure in a molecular chain. Thus, it has a strong interaction with the layered silicate, and a reinforcing effect of the filler becomes even higher. As a result, abrasion-resistance and spin performance of the resultant cover are improved.

Abstract: A aqueous modified polyisocyanate intended to be dispersed in an aqueous medium for use and obtained by reacting an HDI derivative with (A) a modifying agent composed of a methoxy polyoxyalkylene glycol mainly comprising an ethylene oxide unit, (B) a modifying agent composed of a hydroxyl group-terminated polyoxyalkylene glycol produced by using an alcohol having 8 or more carbon atoms as an initiator and mainly comprising a propylene oxide unit, and (C) a modifying agent composed of an ester compound having at least one hydroxyl group with an alkali metal salt of sulfonic acid introduced therein, wherein the concentration (calculated value) of the alkali metal salt of sulfonic acid derived from the modifying agent (C) is 1.5 to 25 ?mol/g. The aqueous modified polyisocyanate is not only excellent in dispersion stability in water but also excellent in stability of the isocyanate group in water even under temperature conditions of 35 ° C. or higher.

Abstract: An aqueous polyurethane resin composition obtained by: obtaining a neutralized prepolymer having a terminal isocyanate group by reacting a polyisocyanate (A) and a polyfunctional compound (B) containing a polyester polyol (B1) having an acidic group and at least one member selected from the group consisting of other polyols (B2) and chain extenders (B3) so as to satisfy a condition expressed by the following mathematical formula (1); and subjecting the neutralized prepolymer having a terminal isocyanate group to a chain elongation reaction with the use of a polyamine (C) containing at least two groups selected from the group consisting of an amino group and an imino group and water (D) so as to satisfy conditions expressed by the following mathematical formulas (2) and (3) to obtain a elongated product, and then dispersing the elongated product into water: 100/80?a/b?100/40 ??(1) 100/98?a/(b+c)?100/80 ??(2) 100/105?a/(b+c+2d)?100/95 ??(3) (in formulas (1) to (3), a represents the number of isocyanate g

Abstract: Hydroxy-functional polyester-polyurethane dispersions comprising a reaction product of: (a) at least one, at least difunctional polyol component; (b) at least one ionizable compound having at least one acid group and at least one functional group capable of reacting with isocyanate groups, the at least one functional group selected from the group consisting of mono-, di-, and trihydroxycarboxylic acids, hydroxysulfonic acids, aminosulfonic acids, and aminocarboxylic acids; (c) at least one acid anhydride; and (d) at least one, at least difunctional polyisocyanate component; methods for preparing such dispersions; compositions containing such dispersions; and uses thereof.

Abstract: This invention relates to an ink jet ink composition comprising an aqueous medium and at least two different polymers, a first polymer and a second polymer, having a weight average acid number of 70 to 200. In one embodiment the ink is substantially colorless.

Abstract: Two component (2K) waterborne polyurethane coating compositions which when cured achieve excellent anti-graffiti properties at low VOC level (below 100 g/L) are disclosed. The composition comprises (A) a fluorinated polyol and optionally a non-fluorinated polyol; and (B), a blend of polyisocyanates comprising a hydrophilically modified trimer of hexamethylene diisocyanate (HDT) and a hydrophilic ally modified trimer of isophorone diisocyanate (IPDT). The glass transition temperature of the ambient cured coatings, crosslinked network structure, and fluorine content at the surface enable excellent anti-graffiti properties. The waterborn coatings of the invention have excellent recoatability and exceptional chemical resistance.

Abstract: An inkjet ink composition includes a polyurethane material having a weight-average molecular weight ranging from about 50,000 to about 500,000. The polyurethane material is present in an effective amount ranging from about 0.2 wt. % to about 5 wt. %. The composition also includes a solvent present in an effective amount ranging from about 5 wt. % to about 20 wt. %, and an anionic surfactant present in an effective amount ranging from about 0.01 wt. % to about 3 wt. %. The inkjet ink composition is adapted to exhibit enhanced decap.

Abstract: Aqueous UV-hardenable dispersions are provided, as well as their use for the production of coating agents, in particular coatings for ligneous substrates.

Abstract: Self-curable water-based solid adhesives of this invention include the following components (A), (B), (C), and (D): (A) an anionic-group-containing polymer terminally having an alkoxysilyl group, the polymer being a reaction product of a compound (A1) containing no anionic group and having plural isocyanate-reactive groups, a compound (A2) having an anionic group and plural isocyanate-reactive groups, a polyisocyanate compound (A3), and an alkoxysilane compound (A4) containing an isocyanate-reactive group; (B) a basic compound; (C) water; and (D) a gelling agent. The self-curable water-based solid adhesives of the present invention can be applied with good workability, have good fitting after attachment, have good adhesion to plastics, metals and glass and exhibit excellent heat resistance and water resistance after curing. They are highly safe to humans and the environment. They also have excellent shape retention and slidability and can be easily applied.

Abstract: An aqueous pigment dispersion for ink jet having a pigment dispersed, characterized by containing a water-soluble resin and a resin having a urethane bond and/or an amide bond.

Abstract: The present invention relates to new water-dilutable or water-soluble blocked polyisocyanates which allow the preparation of bakeable one-component (1K) polyurethane coating materials which exhibit rapid initial physical drying, exhibit reduced thermal yellowing and lead to haze-free coatings, to a process for preparing them, and to their use.

Abstract: A composition and a method for fabricating microcapsules encapsulating phase-change material by interfacial condensation polymerization are provided. In this composition and method, a surfactant and an organic solvent are not needed.

Abstract: An aqueous highly cross-linked two-component polyurethane coating system is described with reduced hydrophilicity and improved resistance to chemicals which can be obtained by a) producing a binder component based on an aqueous solution or dispersion of low-molecular hydroxyfunctional and/or aminofunctional oligourethanes or polyurethanes and b) by subsequently reacting the binder component a) with a cross-linking component (H) in a ratio of 3:1 to 5:1, wherein water-dispersible polyisocyanates are used as the cross-linking component (H).

Abstract: Polyurethane-based polymer compositions that include diacetylene segments are provided.

Abstract: An aqueous multicomponent coating material comprising (I) an aqueous component preparable by mixing at least the following starting products: (A) at least one secondary aqueous dispersion of at least one (meth)acrylate copolymer containing on average per molecule at least one isocyanate-reactive functional group, (B) at least one primary aqueous dispersion of at least one (meth)acrylate copolymer containing no isocyanate-reactive functional group, and (C) at least one pigment and/or one filler; and also (II) a component comprising at least one polyisocyanate as crosslinking agent, and also a process for preparing it, and its use.

Abstract: The invention relates to polyurethane dispersions which develop high hardness and form coating films at room temperature. The dispersions are prepared from prepolymers containing prepolymers containing a polyol or polyol blend having specified equivalent weight and polyisocyanate to polyol molar ratio.

Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.

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 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 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 provides an excellent radiation curable aqueous coating composition, which is highly safe and can make the adhesion to a metal surface and the corrosion resistance compatible which have been considered to conflict with each other, particularly adhesion after severe working and solvent resistance, and particularly durability to alcohols having high polarity. The composition of the present invention contains (1) a phosphoric acid ester compound having an ethylenically unsaturated double bond, (2) an aqueous polyurethane resin having both an ethylenically unsaturated double bond and a group capable of forming a salt, and (3) colloidal silica.

Abstract: The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of a) at least one compound having a molecular weight in the range from 56 to 300 which contains two active hydrogen atoms per molecule, b) at least one polymer containing two active hydrogen atoms per molecule, c) at least one compound which contains two active hydrogen atoms and at least one ionogenic or ionic group per molecule, d) at least one diisocyanate, B) at least one polymer containing groups which are reactive toward isocyanate groups, chosen from hydroxyl, and primary and secondary amino and/or carboxyl groups, or the salts thereof.