Abstract: Disclosed is a composition useful as a sealing or undercoating material for automobiles. The composition comprises fine particles (A) comprising polyurethane resin, a plasticizer (B) and fillers (C), wherein not less than 50% of (A) is spherical particles having a ratio of major axis/minor axis in the range of 1.0 to 1.5.

Abstract: The present invention relates to an adhesive usable at ambient temperature to bond together two cross-linked rubber compositions, to a process for preparing the adhesive, to a tread of a tire cover and to such a cover comprising this adhesive, and to an article comprising two parts bonded together by means of this adhesive. An adhesive based on a copolymer comprising urea or urethane and isocyanurate groups wherein the copolymer is a reaction product of: (a) a polyisocyanate comprising isocyanurate groups, the polyisocyanate having a functionality equal to or greater than three, (b) a functional polymer comprising an amine or alcohol group at each of its chain ends, the functional polymer being selected from the group consisting of polyether diamines, polyether diols, polyester diols and (ester-ether) diol copolymers, and (c) at least one trimerization catalyst capable of forming isocyanurate groups from isocyanate groups, wherein the molar ratio of isocyate groups to amine is between 1.5 and 2.2.

Abstract: Disclosed is a polyurethane resin having a number average molecular weight of up to 5,000 which is prepared by reacting a diisocyanate compound with at least one monomer diol compound and optionally a polymer diol compound without a chain extender to form a polymer, wherein the molar ratio of the monomer diol compound over the polymer diol compound when present is above 1 followed by capping the polymer with a terminator.

Abstract: A continuous process for the production of thermoplastically processable polyurethane elastomer is disclosed. The process comprise adding acid H compounds in an amount calculated to control and render constant the melt viscosity of the product. The inventive elastomer has constant melt flow behavior and high thermal stability.

Abstract: The present invention relates to polyurethane polyol compositions comprising the reaction product of a polyisocyanate, a polyol, and a Guerbet alcohol having at least 12 carbon atoms or a Guerbet alcohol mixture having an average of at least 12 carbon atoms. Preferred polyols are &agr;,&bgr; diols and &agr;,&ggr; diols. The polyurethane polyol compositions exhibit very low viscosity and are particularly useful in very low VOC coating compositions. The resulting cured coating provides surprisingly improved properties.

Abstract: Resins and waxes made by reacting selected nucleophiles, including alcohols and/or amines, with an isocyanate are disclosed. The order of addition of the isocyanate and the different nucleophiles can tailor the distribution of di-urethane, mixed urethane/urea, and/or di-urea molecules in the final resin product. The isocyanate-derived resin and wax materials are useful as ingredients as phase change ink carrier compositions used to make phase change ink jet inks.

Abstract: A process is described which imparts exceptional antisoiling, anti-staining and repellent properties to carpets. The process makes use of a water-based exhaustion process wherein the water-based treating solution contains (1) glassy fluorochemical material, glassy hydrocarbon material, or combinations thereof; (2) a stainblocking material; (3) a polyvalent metal salt, acid, or combinations thereof; and (4) water. Subsequent to exhaustion, the wet treated carpet is heated, usually in a steaming step, rinsed, and dried in a dry heat oven.

Abstract: The present invention is directed to monomeric and polymeric compositions based upon polymeric urethane surfactants which are derived from linear, branched, or aromatic compounds of synthetic or natural origin, preferably from tertiary amines and diisocyanate compounds. The urethane polymers of the present invention may be in the form of betaines, quaternium salts, tertiary amine salts or N-oxides. The compounds of the present invention may be incorporated into personal care formulations such as cosmetics, dental care products and toiletries to improve at least one and preferably two or more characteristics of such formulations.

Abstract: There is provided layer for personal care products made from elastic polymers that are extruded and cross-linked to form superabsorbents. Such a layer is useful in personal care products, like diapers, training pants, incontinence garments and feminine hygiene products.

Abstract: A process for the synthesis of polyurethanes is disclosed wherein the process comprises reacting polyurethane-forming reactants in the presence of an effective amount of a catalyst comprising at least one alkylamino oxainide of the structure: wherein: R1 and R2 are independently selected alkyl groups or can be taken together to form a five or six-membered heterocyclic ring; R3 and R4 are independently selected from the group consisting of hydrogen and alkyl; n is 2 or 3; x is 0 or 1; Y is selected from the group consisting of O and NR9,  wherein: R9 is selected from the group consisting of hydrogen and alkyl; and X is selected from the group consisting of OR10 and G,  wherein: R10 is selected from the group consisting of hydrogen and alkyl; and G is

Abstract: A radiation-curable coating composition for an optical fiber comprising a reactive functionality-terminated urethane oligomer, wherein said oligomer comprises the reaction product of (i) a semi-crystalline polyol, and (ii) a non-crystalline polyol in the mole ratio of semi-crystalline polyol to non-crystalline polyol of at least about 1:1, (iii) at least one isocyanate, and (iv) an endcapping compound capable of supplying the functionality terminus.

Abstract: Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality includes a first protecting group, which can be aralkyl, methyl, allyl or tertiary alkyl group. The other of the amine protecting groups can be the same as the first protecting group. Alternatively, the second protecting group can be different from the first protecting group, in which case it is selected to have differential stability to agents used to remove the aralkyl, methyl, allyl or tertiary alkyl protecting group.

Abstract: Golf equipment, or a portion thereof, with improved abrasion resistance is obtained by applying a coating comprising hard filler particles, a coupling agent and a polymer precursor preferably comprising a plurality of reactive monomers and/or oligomers. Colloidal silica may be used as the filler, silanes of the form Y—(CH2)nSiX3, wherein Y is an organofunctional group providing the bonding with the polymer matrix attached to the central silicon atom via the stable (CH2)n carbon chain and X represents the silicon-functional or alkoxy group that hydrolyzes and subsequently reacts with the active sites on inorganic surfaces. The coating may be hardened by curing with ultraviolet radiation or solvent evaporation and crosslinking.

Abstract: The present invention is for a new class of allyl urethane resin which can be cured with peroxide at high temperature alone or in combination with some accelerators. These allyl urethane resins can be sued alone or in combination with other free radically polymerizable materials such as allyl monomers and ligomers or (meth)acrylate monomers and oligomers. These new allyl urethane resins contain at least two allyl functional groups.

Abstract: The present invention relates to blocked polyisocyanate crosslinking agents, to the production thereof and to the use thereof in single-component stoving lacquers, particularly OEM clear lacquers (original equipment material, initial lacquer coating).

Abstract: A mixture of hydroxy-terminated hydrocarbons useful as a mold release agent for polymers is disclosed. The polymers suitable in the present context are the ones prepared by polyaddition or polycondensation, in particular, thermoplastic polyurethane and polyurethane urea.

Abstract: A fast hardening clear coating composition for repairing a clearcoat/colorcoat finish of a vehicle, which composition is capable of being wet sanded, buffed or polished to a high gloss finish on the same day of application, comprising a film forming binder and an organic liquid carrier, where the binder contains a hydroxyl component comprising a hydroxyl-containing acrylic polymer and a hydroxyl-terminated polyester oligomer, and an organic polyisocyanate crosslinking component, at least portion of which comprises a trimer of isophorone diisocyanate, where the composition further contains, as a combined curing catalyst, at least one dialkyl tin aliphatic carboxylate, at least one tertiary aliphatic mono or diamine, and at least one aliphatic carboxylic acid, in an effective amount such that the clear coating composition on curing at ambient temperatures is in a water spot free and sufficiently hard state for sanding or buffing within about 4 hours after application or on cool down when baked under normal cond

Abstract: A fast hardening clear coating composition for repairing a clearcoat/colorcoat finish of a vehicle, which composition is capable of being wet sanded, buffed or polished to a high gloss finish on the same day of application, comprising a film forming binder and an organic liquid carrier, where the binder contains a hydroxyl component comprising a hydroxyl-containing acrylic polymer and a hydroxyl-terminated polyester oligomer, and an organic polyisocyanate crosslinking component, at least portion of which comprises a trimer of isophorone diisocyanate, where the composition further contains, as a combined curing catalyst, at least one dialkyl tin aliphatic carboxylate, at least one tertiary aliphatic mono or diamine, and at least one aliphatic carboxylic acid, in an effective amount such that the clear coating composition on curing at ambient temperatures is in a water spot free and sufficiently hard state for sanding or buffing within about 4 hours after application or on cool down when baked under normal cond

Abstract: The present invention relates to a coating composition comprising: (a) at least one oxazolidine functional compound, (b) at least one isocyanate functional compound, and (c) at least one compound selected from the group consisting of a mercapto functional compound, a sulfonic acid functional compound, and mixtures thereof. The invention further relates to a method of coating a substrate with the coating composition and to a substrate coated with the coating composition.

Abstract: A series of polymeric compositions, methods of making the compositions and uses of the compositions are described. An exemplary composition is made by copolymerization of a trifunctional amine or hydroxy compound, a monofunctional amine or hydroxy compound and a polyisocyanate compound.

Abstract: The invention concerns modified isocyanates of formula (I) wherein: Iso is the radical of a (poly)isocyanate (after an isocyanate function has been transformed); X represents an atom or a group of atoms capable of reacting with the isocyanate function.

Abstract: A powder coating composition comprising a powdered solid ethylenically unsaturated material having a melting point from 60° to 120° C. obtained by reacting a polyisocyanate with an at least stochiometric amount of an alcoholic component comprising: at least a monovalent alcohol, a part of which bears an ethylenic unsaturation derived from acrylic acid or methacrylic acid, and optionally at least a monomeric polyol. This composition is useful for coating substrates.

Abstract: Novel acid-blocked amine catalysts and their use in the preparation of polyurethanes. The acid-blocked amine catalysts have the general structure shown below: wherein A is the residue of an organic acid anhydride; R1 is H or C1 to C6 alkyl; R2 is H or C1 to C6 alkyl; n is an integer of 0 to 10; and B is a compound containing a protonated amine and one or more primary amine, secondary amine, or tertiary amine groups.

Abstract: A method for making a bloom-free thermoplastic polyurethane is disclosed. The method entails blending a chain terminator such as monofunctional alkylene alcohol having at least 14 carbon atoms, mono-isocyanate and mono-amine, in a thermoplastic polyurethane that would, but for the blending of the chain terminator of the invention, feature a blooming defect. The polyurethane suitable for the use in the inventive process is the product of a reaction wherein reactants comprise (i) at least one hydroxy functional polyol such as polyester polyol, polyether polyol and polycarbonate polyol, having a number average molecular weight of 500 to 5000 and a hydroxyl functionality of at least 2, (ii) a chain extending compound, and (iii) an organic diisocyanate. The ratio NCO/H characterizing the relative amounts of named reactants is 0.95 to 1.05. The addition of the chain terminator renders the product bloom-free.

Abstract: Aqueous, anodically precipitable electrodeposition lacquer, containing A) an aqueous dispersion consisting of anionically modified polyurethane (meth)acrylates (a1) having terminal, ethylenically unsaturated (meth)acrylic double bonds, and reactive thinners (a2) having at least two ethylenically unsaturated (meth)acrylic double bonds, whereby the (meth)acrylic double bonds from the mixture comprising (a1) and (a2) correspond to a bromine number of 20 to 150 g bromine/100 g solids, and B) optionally photo-initiators and/or optionally thermally activable radical initiators, whereby the terminal ethylenically unsaturated (meth)acrylic double bonds from the polyurethane (meth)acrylates are bonded to the anionically modified polyurethane prepolymer via urethane, urea, amide or ester groups, and optionally conventional auxiliary substances and additives, pigments and/or fillers.

Abstract: The present invention relates to blocked fluorine-containing polyisocyanates which have a fluorine content, calculated as F=19, of 1.0 to 20.0 wt. %, preferably 4.0 to 10.0 wt. %, and are suitable for preparing stoving coatings having a water- and soil-repellent surface, wherein the fluorine-containing polyisocyanates are based on the reaction product of aliphatic polyisocyanates or polyisocyanate mixtures having an NCO content of 10 to 25 wt. % and a functionality of at least 2.5 with monofunctional isocyanate blocking agents and a fluorinated monoalcohols wherein i) 75 to 95 equivalent-% of the isocyanate groups are reacted with isocyanate blocking agents, ii) 5 to 25 equivalent-% of the isocyanate groups are reacted with fluorinated monoalcohols and iii) the equivalents of i) and ii) add up to 100%.

Abstract: Pigment dispersants prepared by reacting an isocyanate oligomer having an average functionality of at least three with a polyester or polyacrylate, a poly(ethylene glycol)alkyl ether, and a diamine having a primary amine and a tertiary amine have excellent stabilizing properties and offer a wide formulation latitude with a variety of solvent systems, including polar solvents and water, and are particularly useful as pigment dispersants for paints and coating applications.

Abstract: The invention provides a highly uniform spandex fiber and a method for making it. The polyurethaneurea component of the spandex has both alkylurethane and monoalkylurea ends, with a ratio of monoalkylurea ends to alkylurethane ends of from 0.5:1 to 10:1.

Abstract: A process for preparing an urethane compound for medical instruments, characterized by reacting a hydroxyl compound (A) with an isocyanate compound (B) in the absence of a catalyst or in the presence of a reaction catalyst other than an organic tin compound to give an urethane compound (I). According to the process, the urethane compound showing high safety can be easily prepared, in particular, while molecular weight of the compound is controlled.

Abstract: Polyfunctional polymerizable urethane- or urea-containing oligomers allow the design, adjustment, and regulation of chemical and physical properties of the described oligomers. The invention discloses the formulas and compositions of these oligomers and methods of their synthesis. The described oligomers can be used for many purposes, both directly and in combination with other chemicals in multiple applications such as adhesives, sealants, coatings, composites, etc., as well as in castable and moldable materials.

Abstract: A curable composition comprises a prepolymer which comprises, in copolymerized form: (a) an on-average at least bifunctional isocyanate based on a compound of the formula I  where R1 and R2 are independently C1-C12-alkylene, (b) an ethylenically unsaturated compound containing isocyanate-reactive groups and (c) if desired, a saturated compound containing isocyanate-reactive groups.

Abstract: A process including preparing a polyurethane in the presence of a catalyst which is a bicyclic amidine of the formula: wherein A is selected from the group consisting of —CR1R2—CR3R4—CR5R6—, —CR1R2—CR3R4—CR5R6—CR7R8—, and —CR1R2—CR3R4—CR5R6—CR7R8—CR9R10—, wherein the substituents in A are in each case numbered starting from the nitrogen atom, and B is selected from the group consisting of —CR11R12—CR13R14—, —CR11R12—CR15R16—CR13R14—, and —CR11R12—CR15R16—CR17R18—CR13R14—, and R1 to R18 are, in each case independent of one another, hydrogen, C1-C4-alkyl, aryl, or C1-C4-alkyl that is substituted with hydroxyl, amino, C1-C4-alkylamino or mercapto, with the proviso that at least one of the substituents R1 to R18 is (1) hydroxyl, (2) amino, (3) C1-C4-alkylamino, (4) mercapto, (5) C1-C4-alkyl substituted with hydroxyl, (6) C1-C4-alkyl sub

Abstract: Polyols which can be obtained by making epoxidized fatty acid esters of monofunctional C 1-8 alcohols react with aliphatic alcohols having a functionality ranging from 2-10. Fatty acid mixtures with mainly 18 carbon atoms represent the fatty acid component in the epoxidized fatty acid esters. The oleic acid content of the fatty acid mixtures is at least 80 wt %. The polyols are suitable for use in the production of isocyanate casting resins and coating compounds with enhanced colour stability.

Abstract: A fast hardening clear coating composition for repairing a clearcoat/colorcoat finish of a vehicle, which composition is capable of being wet sanded, buffed or polished to a high gloss finish on the same day of application, comprising a film forming binder and an organic liquid carrier, where the binder contains a hydroxyl component comprising a hydroxyl-containing acrylic polymer and a hydroxyl-terminated polyester oligomer, and an organic polyisocyanate crosslinking component, at least portion of which comprises a trimer of isophorone diisocyanate, where the composition further contains, as a combined curing catalyst, at least one dialkyl tin aliphatic carboxylate, at least one tertiary aliphatic mono or diamine, and at least one aliphatic carboxylic acid, in an effective amount such that the clear coating composition on curing at ambient temperatures is in a water spot free and sufficiently hard state for sanding or buffing within about 4 hours after application or on cool down when baked under normal cond

Abstract: The invention relates to polyurethanes, inks comprising polyurethanes and their use in ink jet printing where the polyurethane comprises a colored water-dissipatable polyurethane obtainable by chain-terminating a polyurethane prepolymer with a colorant.

Abstract: An optical material, particularly a plastic lens for spectacles, which absorbs almost all UV rays of up to around 400 nm or so and is not too yellow in color, is obtained by adding 2-(2-hydroxy-4-octyloxyphenyl)-benzotriazole to a diethylene glycol bisallylcarbonate monomer, a (thio)urethane monomer or an episulfide monomer, mixing them, and polymerizing the monomer.

Abstract: There is disclosed a parting agent comprising the reaction product of an isocyanate compound and an isocyanate-reactive compound of the general structure R-(ao)n-Y wherein: R is a hydrophobic group containing alkyl, alkaryl, polyaryl, or siloxane moieties; (ao) is an alkylene oxide or mixture of alkylene oxides such as ethylene oxide, propylene oxide, butylene oxide, and mixtures thereof; n is about 1 to about 25; and Y represents a monofunctional isocyanate-reactive group. There is also disclosed the processes that may be utilized to produce the parting agent.

Abstract: A process for preparing a polyurethane film comprising two steps is disclosed. The first step comprises preparing a nonionic prepolymer formulation, the prepolymer formulation comprising a diisocyanate, an active hydrogen containing material, and a monol. The second step comprises preparing an aqueous dispersion of the prepolymer, in the presence of a surfactant. Both steps occur in the substantial absence of an organic solvent. Also disclosed is a polyurethane film and an aqueous dispersion useful for preparing such films. The present invention has the advantage of having increased shear stability. The dispersions of the present invention do not settle or coagulate prematurely. Moreover, the films of the present invention do not include the dermal irritants which occur in natural rubber latex. The films and dispersions of the present invention are thus suitable for use in applications such as, for example, medical applications.

Abstract: Activators with reduced volatility that are liquid at room temperature are obtained as the reaction product of (A) a secondary amine or primary alcohol having at least one tertiary amine group, (B) a polyisocyanate of the diphenylmethane series having a functionality of from 2.5 to 4.0 and an OH-functional reactive component capable of addition to isocyanate. These activators are useful for the production of polyurethane foams having improved emission behavior.

Abstract: Secondary amine-functional silanes comprising at least one ester group and at least one amide group are disclosed. The secondary amine-functional silanes are preparable from relatively inexpensive, commercially available raw ingredients, are stable at room temperature and are reactive toward electrophiles. Also disclosed are silane-terminated polymers, silane-terminated polyurethane dispersions, and moisture-cured polymers derived therefrom.

Abstract: An optical material, particularly a plastic lens for spectacles, which absorbs almost all UV rays of up to around 400 nm or so and is not too yellow in color, is obtained by adding 2-(2-hydroxy-4-octyloxyphenyl)-benzotriazole to a diethylene glycol bisallylcarbonate monomer, a (thio)urethane monomer or an episulfide monomer, mixing them, and polymerizing the monomer.

Abstract: In a compound of the formula I (reactive polymer), L is a, polymer, XY is a reactive radical which is inert toward NCO groups and splits off one or more protective groups Y under acidic, neutral or basic conditions and the radical X bears, after Y has been split off, at least two groups which are reactive toward isocyanates. Also provided are processes for preparing such a polymer and for preparing V a polymer polyol which is obtainable by reacting a polymer of the formula I with an acid or base. A polymer polyol as is obtainable by treatment of a reactive polymer according to the present invention in the neutral, acidic or basic range can be used to produce a polyaddition product or polycondensation product.

Abstract: The present invention relates to water dispersible polyisocyanate mixtures prepared from aliphatic, cycloaliphatic, araliphatic and/or aromatic diisocyanates and having a) an average isocyanate functionality of at least 2.0, b) a content of 5.0 to 25.0 wt. %, based on resin solids, of isocyanate groups (calculated as NCO; molecular weight=42) and c) a content of 2 to 50 wt. %, based on resin solids, of ethylene oxide units calculated as C2H2O; molecular weight 44) incorporated within polyether chains containing an average of 5 to 35 ethylene oxide units, wherein at least 60 mole % of the polyether chains are connected via allophanate groups to two polyisocyanate molecules which are each prepared from at least two diisocyanate molecules. The present invention also relates to a process for the preparation of these water dispersible polyisocyanate.

Abstract: The invention provides a polyurethane type polymeric material for coating optical fibers, based on a fluorinated diol with formula I: CnF2n+1—A—CH2OCH2—C (CH2OH)2—R where n is 2 to 20, and A signifies —CH═CH or —CH2CH2—, and R is an alkyl group containing 1 to 4 carbon atoms. The invention also provides a fiber coated with this polymer which has been light-cured, and a fiber drawing method comprising a step of coating the fiber with a material of the invention.

Abstract: The present invention relates to polyisocyanate mixtures prepared from aliphatic and/or cycloaliphatic diisocyanates and having a) an average isocyanate functionality of at least 2.0, b) a content of isocyanate groups (calculated as NCO; molecular weight=42) of 4.0 to 28.0 wt. % and c) a content of alkoxy groups having up to 36 carbon atoms of 2.0 to 37.5 wt. %, wherein the alkoxy groups are constituents of allophanate groups or optionally urethane groups, provided that >50 mol % of the alkoxy groups are a constituent of allophanate groups that are connected to at least two polyisocyanate molecules which are each prepared from at least two diisocyanates. The present invention also relates to a process for preparing these polyisocyanate mixtures and to coating compositions, which are highly diluted or dilutable with non-polar solvents and contain these polyisocyanate mixtures and lacquer binders or binder components optionally containing isocyanate-reactive groups.

Abstract: The present invention relates to substantially solvent-free binder compositions containing a) a polyisocyanate component containing heteroallophanate groups and having aromatically-bound isocyanate groups, i) an NCO content of 3 to 16%, ii) an average functionality of 1.8 to 4, iii) an allophanate group content (calculated as C2N2O3, MW: 101) of 5 to 35% and iv) a hydrocarbon chain content of 10 to 65%, wherein the hydrocarbon chains are attached to allophanate groups via oxygen and have an average of 2 to 23 carbon atoms and b) an isocyanate-reactive component. The present invention also relates to the use of these binder compositions in one- and two-component coating compositions.

Abstract: The disclosed invention relates to polyisocyanate derived adducts and to emulsifiable polyisocyanates formed from those adducts. The invention further relates to emulsions which include the emulsifiable polyisocyanates. Emulsions which employ the emulsifiable polyisocyanates have greatly increased stability.

Abstract: A method of making a thermally-removable polyurethane material by heating a mixture of a maleimide compound and a furan compound, and introducing alcohol and isocyanate functional groups, where the alcohol group and the isocyanate group reacts to form the urethane linkages and the furan compound and the maleimide compound react to form the thermally weak Diels-Alder adducts that are incorporated into the backbone of the urethane linkages during the formation of the polyurethane material at temperatures from above room temperature to less than approximately 90° C. The polyurethane material can be easily removed within approximately an hour by heating to temperatures greater than approximately 90° C. in a polar solvent. The polyurethane material can be used in protecting electronic components that may require subsequent removal of the solid material for component repair, modification or quality control.

Abstract: A binder comprising a block polymer of blocks A and B and at least one of the blocks of C and D or E and F. The blocks are formed from: A monocarboxylic acids having 15 to 50 carbon atoms, B polyisocyanates having at least two isocyanate groups, C polycarboxylic acids having at least two carboxyl and/or anhydride groups, D polyisocyanates having at least two isocyanate groups, E polyalcohols having at least two hydroxyl groups, and F polyisocyanates having at least two isocyanate groups. The composition of the block polymer has the following composition: (f+g)/h=0.5 to 1.0, i/(h−f−g)=2.0 to 25 and a/(c+e)=0.1 to 1.0, where a, c and e=total moles of A, C and E; f=total equivalents of hydroxyl groups, g=total equivalents of carboxyl and anhydride groups, h=total equivalents of isocyanate groups and I=total moles of A to F.

Abstract: A composition having the formula: wherein R is a linear alkyl, branched alkyl, cycloalkyl, polycyclic alkyl, alkylaminoalkyl, or alkyloxyalkyl group having 1 to 20 carbon atoms and at least one primary, secondary, or tertiary amino functional group. The composition is effective as a catalyst in the production of polyurethanes.