Abstract: Polyurea systems comprising: (a) an amino-functional aspartic ester of the general formula (I) wherein X represents an n-valent organic radical derived from a corresponding n-functional primary amine X(NH2)n, R1 and R2 each independently represent an organic radical having no Zerevitinov active hydrogens and n represents an integer of at least 2; and (b) an isocyanate functional prepolymer having a residual monomer content of less than 1% by weight, the prepolymer prepared by reacting: (b1) an aliphatic isocyante; and (b2) a polyol component having a number average molecular weight of ?400 g/mol and an average OH functionality of 2 to 6, wherein the polyol component comprises one or more constituents selected from the group consisting of polyester polyols, polyester-polyether polyols and mixtures thereof; processes for making the same; postoperative adhesions barriers prepared therewith and dispensing systems for such polyurea systems.

Abstract: Methods of forming a pressure sensitive adhesive (PSA) are provided. The methods may be suitable for aircraft exterior applications. A particular method includes mixing together an un-crosslinked acrylic adhesive, a solvent, and a polyisocyanate crosslinker to form a mixture. The method also includes driving off a portion of the solvent. The method further includes reacting the polyisocyanate crosslinker with the un-crosslinked acrylic adhesive. A resultant crosslinked adhesive exhibits a peel strength in a range between around 2 pounds per square inch and around 8 pounds per square inch at temperatures in a range between around 180 degrees Fahrenheit and around 250 degrees Fahrenheit.

Abstract: The present invention relates to one-component moisture-curing compositions comprising at least one isocyanate-containing polyurethane polymer P which has a mean molecular weight of at least 4000 g/mol, and at least one polyaldimine ALD of the formula (I) or (II), where the content of isocyanate groups is at most 3.5% by weight, based on the sum of the isocyanate-containing constituents present in the composition. The compositions are suitable especially as sealants and are notable for good low-temperature performance.

Abstract: Briefly, the present disclosure provides a film, tape or outer layer of a composite part comprising: a) at least one layer comprising a crosslinked polymer selected from the group consisting of crosslinked polyurethane, crosslinked polyurea, and crosslinked mixed polyurethane/polyurea polymer; and in some embodiments b) an adhesive layer. In some embodiments the layer additionally comprises a non-crosslinked polymer forming a semi-IPN with the crosslinked polymer. In some embodiments the non-crosslinked polymer may be selected from the group consisting of polyurethane, polyurea, and mixed polyurethane/polyurea polymer. In some embodiments the crosslinked polymer may additionally comprise an acrylate-containing component.

Abstract: Aqueous adhesive comprising a polyurethane and a silane of the formula where R1 to R4 each independently are an organic radical, with the proviso that at least two of the groups R1 to R4 are a hydroxyl or alkoxy group.

Abstract: It is the object of the present invention to provide a binder resin for coating paste, comprising a polyvinyl acetal type resin, having an excellent dispersibility of inorganic powder such as conductive powder, ceramic powder and glass powder and being capable of exerting an extremely excellent coating property, particularly a printing property, when dispersing the inorganic powder to form paste, conductive paste, ceramic paste and glass paste. in the formulas, R1 represents a straight chain or branched alkyl group having 1 to 20 carbon atoms, and R2 represents hydrogen, a straight chain, branched or cyclic alkyl group having 1 to 20 carbon atoms, or an aryl group; and n represents an integer of 1 to 8; and further in the modified polyvinyl acetal resin, a content of the structural unit represented by the general formula (3) is 1 to 20 mol % and a content of the structural unit represented by the general formula (4) is 30 to 78 mol %.

Abstract: Aqueous radiation curable binders comprising non-ionically stabilized epoxy resins ABC. Resins ABC are an adduct mixture of: adducts formed by the reaction of polyethylene glycol-modified epoxy resins A with olefinically unsaturated acids C, and adducts formed by the reaction of epoxy resins B, that are free from polyethylene glycol derived groups, with olefinically unsaturated acids C. A process for preparing aqueous radiation curable binders comprising non-ionically stabilized epoxy resins ABC, and a process of coating a substrate with aqueous radiation curable binders comprising non-ionically stabilized epoxy resins ABC.

Abstract: The invention is a composition comprising applying to a substrate a stream of an adhesive comprising: one or more epoxy resins; one or more rubber modified epoxy resins; one or more toughening compositions comprising the reaction product of one or more isocyanate terminated prepolymers and one or more capping compounds having one or more phenolic, benzyl alcohol, aminophenyl, or, benzylamino groups wherein the reaction product is terminated with the capping compounds; one or more curing agents for epoxy resins and one or more catalysts which initiate cure at a temperature of about 100° C. or greater; and optionally; fillers adhesion promoters, wetting agents or rheological additives useful in epoxy adhesive compositions; wherein the adhesive composition has a viscosity at 45° C. of about 20 Pa·s to about 400 Pa.s. The composition can be used as an adhesive and applied as a stream using a high speed streaming process.

Abstract: The invention is a composition comprising applying to a substrate a stream of an adhesive comprising: one or more epoxy resins; one or more rubber modified epoxy resins; one or more toughening compositions comprising the reaction product of one or more isocyanate terminated prepolymers and one or more capping compounds having one or more phenolic, benzyl alcohol, aminophenyl, or, benzylamino groups wherein the reaction product is terminated with the capping compounds; one or more curing agents for epoxy resins and one or more catalysts which initiate cure at a temperature of about 100° C. or greater; and optionally; fillers adhesion promoters, wetting agents or rheological additives useful in epoxy adhesive compositions; wherein the adhesive composition has a viscosity at 45° C. of about 20 Pa·s to about 400 Pa·s. The composition can be used as an adhesive and applied as a stream using a high speed streaming process.

Abstract: The invention relates to compositions which contain at least one isocyanate-containing polyurethane polymer P, which is produced from at least one polyisocyanate and at least one polyol, in addition to at least one aldimine-containing compound of formula (I). The compositions are stable during storage and harden quickly under the influence of moisture, are non-porous and do no not separate rich substances. Said compositions, the hardened compositions, and the resulting separated products are odour-less. The compositions can be used as an adhesive, sealant or coating which exhibit good mechanical properties and adhesion.

Abstract: Embodiments of a composition useful for making sports equipment, such as golf balls, are disclosed comprising at least one polyurethane, polyurea, polymer precursor composition thereof, blocked polyurethane, blocked polyurea or blocked polymer precursor composition thereof, and an effective amount of a polyfunctional modifier. One disclosed embodiment of a method for forming a golf ball comprises providing a first composition comprising at least one polyurethane, polyurea, polymer precursor composition thereof, blocked polyurethane, blocked polyurea or blocked polymer precursor composition thereof, and an effective amount of a polyfunctional modifier. The first composition is combined with at least a second composition to make at least one component of a golf ball.

Abstract: 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.

Abstract: To provide a polymer composition whereby the viscosity increase during storage can be suppressed low. A polymer composition comprising from 0.05 to 10 parts by mass of a compound (O) having one phenolic hydroxyl group, per 100 parts by mass of an alkoxysilyl group-containing oxyalkylene polymer (P) having a urethane bond, which is obtained by a urethanization reaction between a polymer (pP) having a polyoxyalkylene chain and a hydroxyl group and a compound (U) having an alkoxysilyl group and an isocyanate group.

Abstract: 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.

Abstract: The present invention relates to compounds of formula I and II, which are functionalized amino acids, and polymers formed from the same. Polymers formed from the functionalized amino acids are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.

Abstract: Compositions for golf balls including oxirane functional endcapped polymers and, in particular, compositions formed from polyurethane-based or polyurea-based prepolymers that are endcapped with an oxirane functional group. The oxirane functionality is opened with a suitable curing agent to provide a composition that has flexibility via the prepolymer backbone and stiffness via the oxirane functional endcaps.

Abstract: The present invention refers to a method for restoring or executing an anti-fingerprint coating onto plates of stainless steel obtainable by pre-varnishing in form of sheets or strips. Subject of the invention are also the varnish suitable for the restoration or the execution of the above coating, as well as the coated sheets and manufactured articles.

Abstract: This invention discloses paint compositions characterized by comprising polyolefin or modified polyolefin (A) and ionic liquid (B), and coating methods using the compositions.

Abstract: A composition comprising (A) an epoxide containing at least two epoxy groups per molecule, (B) a polyol containing at least two hydroxy groups per molecule or a primary or secondary amine containing at least two amino-hydrogen atoms per molecule, and (C) a solid compound containing at least two isocyanate groups, exhibits high storage stability and is useful as protective coating or adhesive.

Abstract: Process for preparing a composition by reacting a polyisocyanate, a monoalkoxy polyoxyalkylene monoamine and water. The composition and its use in making cellular products are claimed as well.

Abstract: An adhesive comprising a polyurethane and 0.0001 to 0.1 mol of carbodiimide groups per 100 g of polyurethane, wherein the polyurethane contains 0.0001 to 0.1 mol of hydroxysilane or alkoxysilane groups (silane groups for short) per 100 g of polyurethane.

Abstract: 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.

Abstract: Low-cure powder coating compositions are disclosed, comprising at least one epoxy-containing resin and/or at least one siloxane-containing resin, and at least one material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; each R2 is independently a multivalent hydrocarbon group having 1 to 20 carbon atoms; Y is each R3 and R4 are independently alkyl or aryl groups having 1 to 8 carbon atoms; each Z is independently oxygen or nitrogen; R5 is absent when Z is oxygen and R5 is hydrogen, an alkyl or aryl group having 1 to 20 carbon atoms, or (Y)a—R2— when Z is nitrogen; a and b are integers; a is at least 1; b is 1 to 3; and (b) at least one epoxy-containing resin and/or at least one siloxane-containing resin. The material can optionally be reacted with an acidic hydrogen-containing compound. Some compositions are curable without using crosslinking agents or accelerators.

Abstract: Multi-component epoxy-amine primer systems are disclosed, which include an epoxy component and an amine component that includes a mercaptan terminated material. At least one of the epoxy component and the amine component includes a sulfur-containing polymer. Also disclosed are substrates coated with such primer systems as well as methods for coating substrates with such primer systems.

Abstract: A polyurethane coating composition, sprayable onto a substrate by means of conventional spray equipment at pressures of less than about 100 psi and at temperatures of between ambient to about 50° C., in one or more layers to a film thickness of up to about 30 mils, comprises a resin component having hydroxyl functionality, which may be substantially free of amine functionality, an isocyanate functional curing component, an organotin catalyst, and a catalyst inhibiting amount of a volatile organic acid. The composition may optionally include a fibrous reinforcing material, and a colorant. Advantageously, the coating compositions of the present invention provide polyurethane films having excellent physical properties, solvent and UV resistance, and adhesion to clear coated substrates without the need for adhesion promoting primer coats or chemical pretreatments. The compositions are particular useful to form sprayable vehicle bedliners.

Abstract: The present invention relates to (meth)acrylate functional polyurethanes that are useful in solid, particulate film-forming compositions.

Abstract: The present invention provides a film-forming composition. The composition includes a reaction product of: a) a polyamine containing a primary amino group and a secondary amino group; and b) an acyclic carbonate. Also provided is a method of preparing a film-forming composition and an article coated with such compositions.

Abstract: 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.

Abstract: Multi-modal vinyl ester resins having one or more of good fracture toughness, good processing viscosity, and low volatile organic compound emissions are provided. The multi-modal vinyl ester resins are the reaction product of a liquid or crystalline epoxy and an amorphous, solid epoxy, as determined at 25° C., with a vinyl carboxylic acid. The multi-modal vinyl ester resins may contain a reactive diluent, though generally, lower reactive diluent contents are required for such resins than for similar, commercially available vinyl ester resins.

Abstract: The present invention relates to powder coating binders containing polyurethanes having (meth)acryloyl groups which are applied onto a substrate, fused with heat and cured by electromagnetic radiation and exhibit improved scratch and mar resistance, and to a process for preparing the same.

Abstract: Low-cure powder coating compositions are disclosed, comprising at least one epoxy-containing resin and/or at least one siloxane-containing resin, and at least one material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; each R2 is independently a multivalent hydrocarbon group having 1 to 20 carbon atoms; Y is each R3 and R4 are independently alkyl or aryl groups having 1 to 8 carbon atoms; each Z is independently oxygen or nitrogen; R5 is absent when Z is oxygen and R5 is hydrogen, an alkyl or aryl group having 1 to 20 carbon atoms, or (Y)a—R2— when Z is nitrogen; a and b are integers; a is at least 1; b is 1 to 3; and (b) at least one epoxy-containing resin and/or at least one siloxane-containing resin. The material can optionally be reacted with an acidic hydrogen-containing compound. Some compositions are curable without using crosslinking agents or accelerators.

Abstract: There are provided a composition for functioning as an effective additive for epoxy resin that is solid at room temperature and has high storage stability, and a method thereof. The composition of the present invention is a basic silane coupling agent organic carboxylate composition obtained by first synthesizing an organic carboxylate of a basic silane coupling agent by reacting a basic silane coupling agent and an organic carboxylic acid, and subsequently heating and mixing the organic carboxylate of the basic silane coupling agent with a compound exhibiting good affinity for the basic silane coupling agent or organic carboxylic acid and having a softening point or melting point of 40° C. or greater.

Abstract: 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.

Abstract: A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X repeating units, wherein n is a monomer unit and X is a monomer unit and/or other reactant. The copolymer may also include less than 50% of the polymeric units having the same molecular weight. The present invention is further directed to processes for preparing the copolymer and to coating compositions employing the copolymer.

Abstract: The present invention provides a curable liquid resin composition which, when cured, exhibits excellent removability from an adjacent coating layer and is suitable for an optical fiber upjacket material. The curable liquid resin optical fiber upjacket composition comprising a urethane (meth)acrylate or a (meth)acrylate oligomer, a reactive diluent, a polymerization initiator, and a polyol compound having a molecular weight of 1500 or more.

Abstract: 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.

Abstract: A modified polyurethane including a lipid substituent pendant from at least one urethane nitrogen and/or at least one carbon atom of the modified polyurethane, methods of preparing modified polyurethanes and the use thereof as an implantable biomaterial.

Abstract: Disclosed are multi-component waterborne coating compositions that include a first component and a second component which are mixed together prior to application of the composition to a substrate. The first component includes an aqueous dispersion of (i) a polycarbonate-polyurethane polymer, and (ii) an acrylic polyol having a number average molecular weight of no more than 5,000. The second component includes a material having functional groups reactive with the functional groups of the acrylic polyol and/or the polycarbonate-polyurethane polymer. Also disclosed are coatings formed from such compositions and substrates at least partially coated with such compositions.

Abstract: The invention relates to reactive compositions containing at least one compound A that comprises at least two reactive groups selected among the group encompassing isocyanate, epoxide, alkoxysilane, and the mixtures thereof, and at least one polymeric thixotropic agent B which is produced by homopolymering a (meth)acrylate B1 or copolymerizing a (meth)acrylate B1 with at least one additional (meth)acrylate, the (meth)acrylate mixture having a mean (meth)acrylate functionality of 2.5 to 4.5. Said (meth)acrylate B1 is provided with three or four (meth)acrylate groups. The invention further relates to the use of compound B as a thixotropic agent.

Abstract: In one embodiment, the invention is an composition comprising: a) one or more isocyanate functional polyether polyurethane prepolymers; and b) one or more prepolymers of one or more polyisocyanates and one or more polyesters wherein the terminal groups on the polyester polyol polyurethane prepolymer are the residue of a monofunctional polyalkylene glycol (hereinafter capped polyester polyurethane prepolymer) or one or more polyester polyols which are capped with the residue of one or more monofunctional isocyanates (hereinafter isocyanate capped polyesters); wherein the composition is a low viscous paste at temperature of from about 40 to about 80° C. and is high viscous paste at a temperature of from about 40° C. or less. In a preferred embodiment the composition further comprises c) one or more catalysts for the reaction of isocyanate moieties with hydroxyl groups.

Abstract: Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating composition comprising the described star polymers are also disclosed.

Abstract: Thermoplastic polyether polyurethane polymers are disclosed which are mixed with a non-polyether crosslinking agent to achieve long run times in a melt spinning process to make elastic fibers. The crosslinking agent is preferably a polyester polyol reacted with a diisocyanate. A melt spinning process is also disclosed using a polyether polyurethane with a polyester crosslinking agent. Long melt spinning run times can be achieved without experiencing excessive pressure buildup in the spinneret and fiber breakage.

Abstract: The present invention relates to the synthesis of a haemocompatible polymer, consisting of a polyurethane bound covalently to sulphated hyaluronic acid. These sulfated derivatives have anticoagulative, non-thrombogenic, antiviral and anti-inflammatory properties. They also have the ability to inhibit platelet adhesion, aggregation and activation. The invention is particularly advantageous in resisting the enzyme hyaluronidase, therefore ensuring anti-coagulant activities for longer periods of time when compared to similar compounds. This biocompatible polymer material is well suited for surgical or other medicinal uses.

Abstract: A corrosion resistant, alkali resistant coating composition is disclosed. The composition comprises a binder comprising a reaction product of an epoxy-containing material and a phosphorus-containing material together with a curing agent. Aminoplasts, especially melamine-based aminoplasts, are particularly suitable curing agents. A source of silicon can optionally be included. The compositions also provide excellent adhesion and can be used with or without a weldable primer. The compositions are applied to and cured on a metal substrate.

Abstract: The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.

Abstract: Comb polymers prepared by reacting an epoxy resin and a lactone are disclosed. These comb polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating composition comprising the described comb polymers are also disclosed.

Abstract: This invention describes a process to synthesize water based coating composition having polyurethane and vinyl polymers in the same backbone, which can be used as topcoat in leather. Polyurethane having iniferter groups are synthesized which is then used to incorporate vinyl monomers. The ionic groups are incorporated into PU by selecting vinyl monomers having carboxyl group. The controlled addition of the vinyl monomers is successfully achieved. Finally, it is dispersed in water to obtain the PU dispersion. The suitability of the product for coating application is evaluated on leather. The coating meets desirable protective and aesthetic demands.

Abstract: Compositions comprising a reaction product of a) an asymmetrical, saturated polyisocyanate that is non-cyclic, non-aromatic, and has at least 3 carbon atoms in the polyisocyanate per isocyanate group, b) a material that is at least one of i) a primary carbamate material having at least one functional group reactive with an isocyanate and at least one primary carbamate group or a group convertible to a primary carbamate group and ii) a reaction product of the primary carbamate material and an extending agent, and c) optionally, a chain extension agent that has at least difunctional reactivity with an isocyanate. Also, methods of making these compositions.

Abstract: The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.

Abstract: Condensation products of dihydroxyaromatics A, alone or in mixture with mono- or polyhydroxyaromatics C, with diepoxides or polyepoxides B which have been alkylolated by reaction with aldehydes D and whose alkylol groups may have been etherified with alcohols, a process for preparing them, and a method of use thereof in particular as compositions for coating the inside of foodstuff and beverage packaging forms made from metals.