Abstract: A prepreg composite material that includes a fiber layer and a resin comprising a thermoset resin component, a curing agent and a fibrous micropulp. The micropulp component is an aramid fiber having a volume average length of from 0.01 to 100 micrometers. The prepreg is useful in composite panel construction for minimizing fluid permeation into the cured structure. This prepreg is particularly suitable for making honeycomb sandwich panels. Film adhesives, liquid and paste resins containing aramid fiber micropulp are also disclosed.

Abstract: Polymer dispersions are prepared by reaction of a polyisocyanate and a hydroxylmethyl containing polyester polyol derived from a fatty acid to form a prepolymer, dispersing the prepolymer in an aqueous phase and then curing the prepolymer to form solid particle particles. The prepolymers can be prepared having isocyanate, hydroxyl, or a variety of other reactive functional groups. The dispersions are useful in a variety of coating, sealant, adhesive and elastomer applications.

Abstract: The invention describes amphiphilic polymer compounds which are prepared by a) reacting a di-, tri- or tetraglycidyl compound (A) with an optionally unsaturated reactive component (B) consisting of C8-C28-fatty acid, a C8-C28-alcohol or a secondary C8-C28-amine, and allowing b1) the reaction product from stage a) to react further first with b1?) an aliphatic or aromatic polyisocyanate compound (C) b1?) and optionally then with a polyalkylene oxide compound (D), and b1?) reacting the reaction product from stage b1?) or optionally b1?) with a component (E) which is reactive towards isocyanates and has at least one OH, NH2, NH or SH group, or b2) allowing the reaction product from stage a) to react to completion with the reaction product of component (C) with component (E) and optionally (D) and (C), or b3) allowing the reaction product from stage a) to react to completion with the reaction product from component (C) and component (D) and optionally (C) and optionally the reaction product of component (C) and

Abstract: The invention relates to an epoxy adhesive composition comprising a) a first epoxy resin, b) a second epoxy resin modified with an acrylonitrile-butadiene rubber, the latter comprising on average less than about 25 weight percent acrylonitrile, and c) a toughener. The total amount of component b) and component c) is higher than about 30 percent based on the total weight of the composition, and the weight ratio of component c) to component b) is greater than about 1:1. The invention further relates to the use of said epoxy adhesive composition for the assembly of parts of a vehicle. It also relates to a vehicle, parts of which are assembled by said epoxy adhesive composition.

Abstract: Golf ball components, such as cores, intermediate layers, and covers, formed with compositions including precursors with acrylate functionality crosslinked with a curing agent.

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: The present invention relates to an acrylated semi-crystalline hyperbranched polyurethane oligomer and a preparation method thereof, which is characterized in that on the basis of the synthesis of hyperbranched polyurethane oligomer, it adopts a two-step process to make modifications to form a methacrylic and/or acrylic double bond and a long carbon chain with a carbon atom number higher than 10 or a benzene ring or a naphthalene ring at the terminals. The obtained oligomer has a lower melting point and a higher glass transition temperature and can be cured by means of radiation, and the curing rate is high enough to effectively improve production efficiency and save energy to form a cured film having a higher hardness and excellent thermal stability. The raw materials used in the method of the invention are easily obtained, and the method is suitable for large-scale production in industry.

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: The present invention relates to a supramolecular polymer comprising quadruple hydrogen bonding units within the polymer backbone, wherein at least a monomer comprising a 4H-unit is incorporated in the polymer backbone via at least two reactive groups up to four reactive groups, provided that the 4H-units are not covalently incorporated in the polymer backbone through one or more silicon-carbon bonds. The invention also relates to processes for preparing such supramolecular polymers and their use in personal care applications, surface coatings, imaging technologies, biomedical applications, (themo)reversible coatings, adhesive and sealing compositions and as thickening agents, gelling agents and binders.

Abstract: The present invention relates to a method for preparing macromolecular species with a modified surface, comprising a step (e) in which macromolecular species (M), initially carrying —OH and/or —SH functions, are brought into contact with: a catalyst (C) carrying at least one conjugated guanidine function; and reactive species (E), comprising reactive groups including: (i) at least one group including an a,b-unsaturated carbonyl group C?C—C?O and/or an a,b-unsaturated thiocarbonyl group C?C—C?S; and/or (ii) at least one heterocyclic group comprising from 3 to 5 ring members, said group being selected from cyclic ethers, cyclic thioethers and aziridine rings; and/or (iii) at least one group selected from isocyanate —N?C?O or thioisocyanate —N?C?S groups, and trivalent groups of formula >C?CZ—, where Z is an electron-withdrawing group. The invention also relates to the macromolecular species with a modified surface that are obtained in this context.

Abstract: The present invention is directed to curable film-forming compositions comprising: (a) a polymeric binder comprising a polyester having hydroxyl functional groups; and (b) a curing agent comprising a polyisocyanate having at least three isocyanate functional groups. In certain embodiments, after application to a substrate as a coating and after curing, the compositions demonstrate a Fisher microhardness of at least 120 at ambient temperatures of 15 to 25° C. and a softening point greater than or equal to 35° C. Additionally, in certain embodiments, after application to a substrate as a coating and after curing, the compositions demonstrate a 20° gloss recovery of at least 75% when subjected to the DRY ABRASION TEST METHOD.

Abstract: Aqueous dispersions and coatings comprising modified epoxy resins comprising the reaction product of rosin and a dienophile, further reacted with an epoxy resin, are disclosed.

Abstract: The invention relates to a composite system comprising at least one biodegradable blend, containing at least one biodegradable block copolyester urethane (PEU) and also at least one polyhydroxyalkanoate (PHA), possibly a filler comprising a polysaccharide and/or derivatives thereof and also possibly further biocompatible additives. Composite systems of this type are used for producing moulded articles, moulded parts or extrudates. Furthermore, the invention relates to possibilities for using the composite system.

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: The present invention relates to heat-curing epoxy resin compositions, which are used in particular as body shell adhesives for vehicle construction, in that they have improved wash-out resistance, especially also at temperatures around 60° C., and the viscosity of which at room temperature enables an application at room temperature.

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 is directed towards an electrocoating composition comprising a cyclic guanidine.

Abstract: The present invention relates to moisture-reactive hot-melt adhesive compounds, comprising at least one polyurethane polymer P which is solid at room temperature and which has isocyanate groups, at least one polyaldimine ALD of the formula (Ia) or (Ib), and at least one acid K in the form of an organic monocarbon acid, or dicarbon acid, or an organic monosulphonic acid, or disulphonic acid, or a compound which can be hydrolyzed to give one of these acids. These hot-melt adhesive compounds cure without bubbles and exhibit exceptionally quick crosslinking speed and good strength after crosslinking.

Abstract: The invention is a composition comprising a blend of two or more epoxide containing compositions selected from epoxidized vegetable oils, epoxidized alkyl esters or cycloaliphatic epoxides. In another embodiment, the invention is a blend of one or more epoxidized vegetable oils, epoxidized alkyl esters, or cycloaliphatic epoxides with one or more aromatic epoxides or epoxy functionalized polyoxyalkylene polyols.

Abstract: Polyurethane and/or polyurea polymers are produced in a reaction injection molding process. The high equivalent weight isocyanate-reactive materials include a high proportion of a hydroxymethylated polyester which can be prepared using annually renewable starting materials.

Abstract: Golf equipment having at least one portion formed from amine-adduct modified polyurea compositions, including epoxy-silicone modified polyurea compositions, epoxy modified polyurea compositions, silicone modified polyurea compositions, and polyurea compositions including polyamine/carbonyl adducts and/or amine-modified adducts having backbones based on polyfunctional acrylates or methacrylates or caprolactone monomers or oligomers.

Abstract: The present invention relates to heat-curing epoxy resin compositions, which are characterized by high impact strength, good storage stability, and a low curing temperature. The epoxy resin compositions are suitable for use as a construction shell adhesive and for producing structural foams. They can already be cured in so-called bottom-baking conditions. Furthermore, it has been found that the use of an accelerator of the formula (Ia) or (Ib) results in an increase of the impact strength of heat-curing epoxy resin compositions.

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: A polycarbonate diol comprising repeating units represented by the following formula (A) and a terminal hydroxy group, 60-100 mol % of the repeating units represented by the formula (A) being repeating units represented by the following formula (B) or (C). The amount of the repeating units represented by the formula (B) is 60-100 mol % based on the total amount of the repeating units represented by the formula (A). The polycarbonate diol has a terminal primary OH ratio of 95% or higher. (A) (In the formula, R represents a C2-12 divalent aliphatic or alicyclic hydrocarbon.

Abstract: The present invention relates to aromatic aldimines, which are based on primary aromatic polyamines, which are solid at room temperature and liquid at room temperature and which have the lowest possible viscosity, hydrolyze with little odor, and can be used as blocked amines in curable compositions, in particular in compositions having one-component and two-component isocyanate groups. Said compositions have a relatively long open time, but cure surprisingly rapidly, said curing occurring without strong odor formation and without bubbling. In addition, the compositions have outstanding mechanical properties after curing, in particular high strength with high ductility, and good resistance to heat and moisture.

Abstract: A polyurethane obtained by reaction between (i) at least one homopolymer obtained by homopolymerization of ?-caprolactone, and (ii) at least one dissocyanate, wherein said reaction between (i) and (ii) and said homopolymerization are performed in presence of a catalyst selected from (a) a catalyst containing bismuth ethylhexanoate and ethylhexanoic acid, (b) a catalyst containing bismuth ethylhexanoate and bismuth neodecanoate, and (c) a catalyst containing zinc neodecanoate and zinc oxide.

Abstract: Disclosed are compositions containing at least one epoxy resin A with on average more than one epoxy group per molecule; at least one epoxy adduct B with on average one epoxy group per molecule; at least one thixotropic agent C, based on a urea derivative in a non-diffusing support material; and at least one curing agent D for epoxy resins, which is activated by an increased temperature. Also disclosed are compositions containing at least one core-shell polymer E and/or filler F and/or reactive diluent G.

Abstract: A spring with high durability has a coating film composed of an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of the coating film. A method of coating a spring with high durability comprises a coating step of making an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of a coating film adhere to a surface on which the coating film is formed, and a baking step of baking the epoxy resin powder coating containing softening agent adhered to the surface.

Abstract: Absorbable polyurethanes, polyamides and polyester urethanes prepared from at least one compound selected from: or the diamines and diisocyanates thereof, wherein each X represents a member independently selected from —CH2COO— (glycolic acid moiety), —CH(CH3)COO— (lactic acid moiety), —CH2CH2OCH2COO— (dioxanone), —CH2CH2CH2CH2CH2COO— (caprolactone moiety), —(CH2)yCOO— where y is one of the numbers 2, 3, 4 or 6-24 inclusive, and —(CH2CH2O)z?CH2COO— where z? is an integer between 2 and 24, inclusive; each Y represents a member independently selected from —COCH2O— (glycolic ester moiety), —COCH(CH3)O— (lactic ester moiety), —COCH2OCH2CH2O— (dioxanone ester), —COCH2CH2CH2CH2CH2O— (caprolactone ester), —CO(CH2)mO— where m is an integer between 2, 3, 4 or 6-24 inclusive, —COCH2O(CH2CH2O)n— where n is an integer between 2 and 24, inclusive; R? is hydrogen, benzyl or an alkyl group, the alkyl group being either straight-chained or branched; p is an integer between 1 and 4, inclusive; and Rn represents one or more

Abstract: A crosslinker for polymerizing a film-forming material including an alkyl or aromatic compound comprising at least two functional groups reactive with a film-forming resin and at least one pendent group having a nonionic metal coordinating structure. Coating compositions can include a film-forming material and the crosslinker. The coating compositions can be used to coat a substrate, such as a metal substrate. Applied coating layers on substrates can be cured to form coating films.

Abstract: Film-forming materials include nonionic metal coordinating structures. Nonionic metal coordinating structures can coordinate metals, such as metal catalysts and metal substrates. Example film-forming materials can be the product of a poly-functional epoxide and a nucleophilic ligand having a nonionic metal coordinating structure, or the product of a poly-functional alcohol and an electrophilic ligand having a nonionic metal coordinating structure.

Abstract: A two-component bonding agent composition. The composition contains: (a) an isocyanate component comprising a difunctional isocyanate-terminated prepolymer having polymerized residues of at least one difunctional aromatic isocyanate and at least one difunctional polymer of ethylene oxide, propylene oxide or a combination thereof; (b) a polyol component comprising a triglyceride having hydroxyl functional groups; and (c) an adhesion promoter.

Abstract: The present invention relates to fluorochemical polyurethane compounds, a method for their preparation, a method of application, and compositions comprising that fluorochemical polyurethane compound. The compound and the composition comprising that compound are suitable to impart durable oil- and water-repellency to substrates.

Abstract: A golf ball including a thermoplastic core having an outer diameter of 1.51 inches to 1.59 inches; an outer cover layer; and an inner cover layer between the core and the outer cover layer. The thermoplastic core has been exposed to a gradient-initiating solution comprising a solvent, free radical initiator, and a reactive co-agent comprising a metal salt of an acrylic or methacrylic acid, a mono- or multi-functional acrylate or methacrylate, or having the chemical structure where R=linear, branched, or aromatic C1-C14 and n=1-5, such that the hardness of the outer surface is different than the hardness of the geometric center to define a positive or negative hardness gradient of 5 Shore C or greater.

Abstract: A carboxyl group-containing polyurethane is capable of giving cured products excellent in adhesion with substrates, low warpage, flexibility, plating resistance, soldering heat resistance and long-term reliability. The carboxyl group-containing polyurethane includes a structure derived from a polyol compound having 1 to 10 hydroxyl groups and 18 to 72 carbon atoms per molecule. The carboxyl group-containing polyurethane is produced by reacting: (A) a polyisocyanate compound; (B) a polyol compound having 1 to 10 hydroxyl groups and 18 to 72 carbon atoms per molecule; and (C) a carboxyl group-containing dihydroxy compound (other than the compound (B)).

Abstract: A polymer electrolyte includes a heat-treated polymerization product of a polyurethane-based compound and a polyethylene(meth)acrylic acid, wherein the polyurethane-based compound is produced by polymerizing a diisocyanate-based compound, a phosphoric acid-based polyol, and a chain extender. The polymer electrolyte has a high ionic conductivity at high temperatures without causing deformation of an electrolyte membrane. The polymer electrolyte membrane can be inexpensively and simply manufactured, and the thickness of the membrane can be easily controlled. In addition, a large amount of phosphoric acid can be impregnated into the polymer electrolyte. A fuel cell that is operative at a temperature of 100° C. or higher under non-humidified conditions and has improved energy generating efficiency can be prepared by employing the polymer electrolyte membrane.

Abstract: Disclosed are polymers that include components produced from renewable resources and methods for forming the disclosed polymers. The polymers include the reactive intermediates that in turn include components derived from, for example, lactide or sorbitol. The reactive intermediates can be polymerized with each other as well as with more traditional resins to form polymeric networks. In one embodiment, the disclosed intermediates can be utilized in forming vinyl ester resins. In particular, the vinyl ester-styrene resins and thermoset networks formed therefrom including the disclosed intermediates can include lower styrene content than previously known vinyl ester-styrene resins, and can exhibit physical characteristics such as glass transition temperature and flexural strength properties equal to previously known vinyl ester-styrene resins that include a higher styrene content.

Abstract: The invention relates to a dispersing agent comprising: the reaction product of A one or more polyisocyanates having an average functionality of from 2.0 to 5, with B a mixture from B1 monohydroxyl compounds, and B2 monohydroxy-, monocarboxylic acid compounds to form an intermediate, followed by reacting the intermediate with C an unsaturated monohydroxy functional anchoring group.

Abstract: There is provided a polymeric film comprising one or more thermoplastic polyurethane and one or more acrylic polymer comprising, as polymerized units, one or more hydrogen-bondable monomer.

Abstract: Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an organic radical having 1 to 20 carbon atoms; R3 and R4 are independently alkyl or phenyl groups having 1 to 8 carbon atoms; Z is oxygen or nitrogen, and when Z is oxygen R5 is absent and when Z is nitrogen R5 is hydrogen or is and n is 1 to 4. The material can optionally be reacted with an acidic hydrogen-containing compound. The compositions are curable without the use of crosslinking agents or accelerators. Methods for coating a substrate using these compositions, and substrates coated thereby, are also disclosed, as are additional catalysts useful for the same purpose.

Abstract: The present invention relates to moisture-curing hotmelt adhesive compositions which comprise at least one silane-functional polyurethane prepolymer of the formula (I). The compositions have neither heating nor curing bubbles and feature an exceptional viscosity stability at high temperatures. These hotmelt adhesives are therefore suitable especially for industrial manufacture and especially of transparent materials.

Abstract: Derivatized solid epoxy resins of the formula (I), which are outstandingly suitable as impact modifiers; and compositions which include such derivatized solid epoxy resins and are outstandingly suitable as one-component heat-curable adhesives, and as structural foams which have a high impact resistance and high mechanical stability.

Abstract: The invention relates to a method for improving the wettability and/or adhesivity of plastic surfaces, in particular, to facilitate printing, painting or adhesion. A lubricant is added to the plastic, particularly to improve the processability thereof. According to the invention, a metal soap-free lubricant is used as a lubricant for the plastic. Alternatively, the wettability and/or the adhesivity of the polyamide surfaces can be improved, especially in order to facilitate printing, painting or adhesion, by increasing the number of end groups of polyamides, optionally maintaining metal soaps as lubricants.

Abstract: The present invention relates to adhesion promoter compositions which comprise at least one binder having isocyanate groups. This specific binder is prepared from a mixture of a polyester resin A, at least one monomeric diphenylmethane diisocyanate, and at least one polyisocyanate B, where the proportion of monomeric MDI is ?2% by weight of the overall composition. Such adhesion promoter compositions are particularly suitable for new generation automotive paint systems and are very desirable from an ecological and toxicological point of view owing to their low content of monomeric diphenylmethane diisocyanate (MDI).

Abstract: Aqueous resinous binders comprising graft copolymers, water-dilutable urethane polyols, epoxy-phosphorus acid reaction products, and an aqueous dispersion comprising the reaction product of trimellitic anhydride and a polyol, wherein the molar ratio of trimellitic anhydride to the polyol in the reaction product ranges from 1:2 to 1:4, and wherein the reaction product is further reacted with an anhydride to form another reaction product are disclosed. The binders are useful in primer formulations for automotive applications.

Abstract: Epoxy adhesive compositions contain an epoxy resin, rubber modification, a toughener and a curing agent. The tougher has capped epoxide-reactive groups, and at least one polytetrahydrofuran block having a mass of 2200-4500 daltons. The selection of toughener in a rubber-modified epoxy-based structural adhesive provides for very good low temperature performance.

Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.05 to about 1 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; (c) about 0.01 to about 0.3 equivalents of at least one polycarbonate diol; and (d) about 0.1 to about 0.9 equivalents of at least one polyol different from the branched polyol and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyether polyol and the reaction components are maintained at a temperature of at least about 100° C. for at least about 10 minutes; compositions, coatings and articles made therefrom and methods of making the same.

Abstract: The invention provides adhesive and sealant compositions prepared from urethane prepolymers. The urethane prepolymers are obtained by reacting the novel urethane diols, polyester polyols and polyether polyols with an excess of diisocyanate. The urethane diols are prepared by reacting excess low molecular weight diols and diisocyanates. The invention is particularly useful in end use applications such as panel lamination.

Abstract: A coating composition comprising a first component having a first polyester polyol having a first functionality, and a second polyester polyol having a second functionality, wherein the second functionality is greater than the first functionality, and a second component comprising an isocyanate, wherein the coating has an NCO:OH ratio of 1:1 or greater is disclosed. A coated flexible substrate comprising a flexible substrate, and a coating deposited on at least a portion of the substrate, wherein the coating comprises a first component having a first polyester polyol having a first functionality and a second polyester polyol having a second functionality, wherein the second functionality is greater than the first functionality and a second component comprising an isocyanate is also within the scope of the present invention.

Abstract: A polymer coating for implantable medical devices based on polyorthoesters and methods for fabricating the coating are disclosed. The implantable medical devices made of polyorthoesters and methods for fabricating thereof are also disclosed.