Abstract: The invention features a polyamine epoxide adduct, prepared by admixing a source of epoxy group with a polyamine, and allowing the epoxy groups to react with the terminal amino groups of the polyamine so as to form the polyamine epoxy adduct. The polyamine epoxide adduct of the invention can be used as a component for preparing a polyurea polymer, thereby providing the resulting polyurea polymer with improved adhesiveness and greater chemical resistance to acidic conditions. Polyurea polymer coatings prepared from polyamine epoxide adducts demonstrate better chemical resistance and adhesion when applied to substrates than do conventionally prepared polyurea formulations.

Abstract: The present invention provides a golf ball having enhanced durability of the clear coating film and the mark. The golf ball of the invention comprises: a ball body having an ionomer resin cover; an epoxy coating film formed on the ball body, a polyurethane clear coating film formed on the epoxy coating film, wherein the epoxy coating film is made by curing an epoxy resin with a polyamide curing agent; and the polyurethane clear coating film is made by curing a polyol with an isocyanate curing agent, wherein the polyol is a mixture of a polyester polyol and a polyether polyol.

Abstract: A primer for flame sprayed polyolefin comprises an epoxy resin, preferably of low molecular weight and/or low viscosity; and an amine hardener, part of which becomes highly reactive on exposure to open flame, providing near instant cure of the composition under flame spray conditions. The invention is unique that it provides strong adhesion to steel, even where the surface preparation is less than ideal, as well as to concrete and other substrates. The primer eliminates the need to preheat the substrate. The primer has strong adhesion to the topcoat polyolefinic material, especially to a functionalized topcoat. The composition withstands open flame and does not char under polyolefin flame spray conditions, nor does it run or sag, and it is not prone to failure as it cools after the application of the polyolefin.

Abstract: The present invention provides a cationic paint composition containing as resin component a polyol-modified amino group-containing epoxy resin obtained by reacting an epoxy resin with epoxy equivalent 180-2500 with a alkyl phenol and/or a carboxylic acid; a polyol obtained by adding a caprolactone to a compound containing a plurality of active hydrogen groups and an amino group-containing compound.

Abstract: Water dilutable amine curing agents for aqueous epoxy resin dispersions, comprising a combination of an epoxide-amine adduct with an emulsifier, the epoxide-amine adduct being obtainable by reacting a polyepoxide with a reaction product of an amine and an epoxide component or an amine and subsequent reaction with an epoxide component, the amount of amine being chosen such that the number of nitrogen-attached hydrogen atoms the number of epoxide groups by a factor of from 2 to 10, and the emulsifier being obtainable by reacting diepoxides or polyepoxides with compounds that are at least difunctional with respect to epoxides, optionally with compounds D that are monofunctional with respect to epoxides, and with amines G which contain at least one tertiary and at least one primary or at least two secondary amino group(s).

Abstract: Curable mixtures based on epoxy resins and amine hardeners, if required additionally using solvents, water, plasticisers, UV stabilisers, colourants, pigments, fillers, which mixtures contain as accelerator at least one compound of general formula (I), wherein R1, R2, R3, R4 are each independently of one another H or an unbranched or branched alkyl radical containing 1 to 15 carbon atoms, and n is 0 to 10.

Abstract: A method for imparting flame retardance to an epoxy resin comprises reacting an epoxy resin with a phosphorus-containing dihydric phenol or naphthol derived from the reaction of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (i.e., DOPO) with a benzoquinone or naphthoquinone.

Abstract: This invention concerns low viscosity aldimine and ketimine reactive diluents having multi-imine functionality, which are useful in automotive refinish coating compositions, including a process for making them and the coatings that contain them.

Abstract: A water-soluble branched polyhydroxyetheramine, wherein the branched polyhydroxyetheramine is prepared by reacting an amine having two reactive hydrogen atoms with a diepoxide to form a polyhydroxyetheramine and then reacting the polyhydroxyetheramine with an N-alkylating agent, an aqueous composition comprising the branched polyhydroxyetheramine and use of the branched polyhydroxyetheramine to modify the permeability to water of a subterranean formation are disclosed.

Abstract: The present invention provides an epoxy resin composition which comprises an alkoxy-containing silane-modified epoxy resin (A) which is obtainable by dealcoholization condensation reaction between a bisphenol epoxy resin (1) and hydrolyzable alkoxysilane (2); and a curing agent (B) for epoxy resin. The present invention also provides a method for preparing an alkoxy-containing silane-modified epoxy resin, the method comprising dealcoholization condensation reaction between the bisphenol epoxy resin (1) and the hydrolyzable alkoxysilane (2).

Abstract: An epoxy resin comprising (A) an epoxy resin, (B) a curing agent and (C) a filler, in which the epoxy resin (A) contains a bisphenol F-type epoxy compound (a), the filler (C) contains spherical silica and the filler (C) accounts for from 88 to 96% by weight of the resin composition, has good soldering heat resistance enough for high-temperature solder reflow and has good moldability. A semiconductor device encapsulated with the resin composition is useful for use in electronic appliances.

Abstract: The present invention provides a cationic coating composition capable of forming a coating film which is excellent in a corrosion resistance and an adhesive property and an electrodepositably coating property toward a rust preventive steel plate (zinc-plated steel plate). The cationic coating composition described above comprises as a vehicle component, a polyol-modified, amino group-containing epoxy resin prepared by reacting an epoxy resin (A) having an epoxy equivalent of 180 to 2500 with a polyol compound (B) obtained by adding caprolactone to a compound having plural active hydrogen groups and an amino group-containing compound (C).

Abstract: A composition comprising an epoxy resin and a ketimine compound, wherein the epoxy resin is either (1) an epoxy resin having a content of an epoxy resin having no hydroxyl group in the molecule in a range of more than 90 mol % to 100 mol % or less, (2) an epoxy resin wherein hydroxyl groups are capped with an isocyanate group-containing compound, (3) an epoxy resin wherein hydroxyl groups are capped with an alkoxysilyl group-containing compound, or (4) an epoxy resin containing an alkoxysilyl group-containing compound which is capable of capping hydroxyl groups of the epoxy resin. When either of the those epoxy resins is used and also the ketimine compound having high steric hindrance is used, a one-pack epoxy resin composition having good curing property and particularly excellent storage stability can be provided.

Abstract: Disclosed is a novel amino-polyether-modified epoxy for an electrodeposition paint. The amin-polyether-modified epoxy compound is obtained by reacting amino polyether represented by a formula as follow: wherein m is an integer of 5 or more, R is hydrogen, methyl group or ethyl group, and n is 2 or 3, with polyglycidyl ether having a molecular weight of 1,000 to 7,000 and an epoxy equivalent of 500 to 3,500, wherein an equivalent ratio of a primary amino group of the amino polyether to an epoxy group of the polyglycidyl ether is controlled within the range of 0.52 to 1.0.

Abstract: A composition comprising a poly(hydroxy aminoether) and an effective amount of a propoxylated or ethoxylated phenol, process for preparing the same and articles prepared from the composition.

Abstract: A curing agent composition for an epoxy resin which comprises (B) a reaction product obtained from (a) an amine compound represented by formula (I): wherein R1 and R2 each represent an alkyl group having 1 to 8 carbon atoms, of R1 and R2 are connected together to form an alkylene group which may contain an oxygen atom or a nitrogen atom; and n represents 1 to 6, (b) a polyamine compound comprising a dicarboxylic acid dihydrazide, (c) an organic polyisocyanate, and, optionally; (d) an epoxy compound.

Abstract: Self-dispersing, hardenable epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyhydroxy compounds, and reacting the thus formed intermediate with one or more polyepoxide compounds, are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.

Abstract: This invention concerns low viscosity aldimine and ketimine reactive diluents having multi-imine functionality, which are useful in automotive refinish coating compositions, including a process for making them and the coatings that contain them.

Abstract: A method for rendering nondetonble energetic materials, such as are contained in or removed from decommissioned ordnance. The energetic materials are either combined with epoxy hardener or are combined with other compounds, preferably amine compounds, to form a substance that functions as an epoxy hardener. According to the invention, energetic materials (including TNT, RDX and Composition B) that are treated according to the invention method yield a reaction product that is non-explosive, that serves to harden or cure conventional epoxy resin to form a stable, nonexplosive waste product. Epoxy hardener made using the method of the invention is also described.

Abstract: This invention relates to novel polyamines which are the reaction product of A) at least one nonaromatic diamine containing from 2 to 40 carbon atoms, wherein the amine groups are primary amine groups; and B) at least one epihalohydrin of the formula  where R is hydrogen or methyl and X is chlorine or bromine; and the coatings resulting from the reaction between the above reaction product and nonaromatic epoxy resins.

Abstract: The present invention relates to compounds containing modified hydrazide groups and corresponding to formula I wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate adduct or an NCO prepolymer, X represents OR′ or NHR′ and R′ represents a group which is inert to isocyanate groups under the conditions used to form the compound of formula I, R″ represents a divalent, linear or branched aliphatic group containing 2 to 10 carbon atoms, provided that there are at least two carbons between the oxygen atoms wherein the aliphatic group may optionally be substituted by heteroatoms to form ether or ester groups, and n is 2 to 6.

Abstract: A method for the manufacture of a one-component epoxy resin system comprises mixing at 15-30° C. and reacting at room temperature over 2-14 days (A) an epoxy resin and (B) an amine solidifying system present in insufficient quantities to cause gelation to yield a product with a Kofler Heat Bank melting point of less than 55° C. and a melting point stability of at least six months at normal workshop temperatures in the presence of (C) a hardener for (A) and the reaction product of (A) and (B) which is different from (B) and remains unreacted with (A) and (B) during the their reaction, (E) an expanding agent and (D) additives other than the expanding agent, provided that the reaction between (A) and (B) does not generate enough heat to activate a reaction between the remaining epoxy groups and hardener (C) or expanding agent (E).

Abstract: Flame-retardant advanced epoxy resins and cured epoxy resins contain a rigid phosphorus group emanating from a dihydric phenol or naphthol which provides thermal and flame retardant properties. The advanced epoxy resins are suitable for making a fiber-reinforced epoxy resin composite which is useful in the fabrication of printed circuit boards. The cured epoxy resins can be used in semiconductor encapsulation applications.

Abstract: Thermosettable PSA compositions of the invention comprise a major proportion of the adhesive component of at least one acidic polymer and at least one amine-containing compound capable of reacting with acidic functional groups on the acidic polymer to cure the thermosettable PSA composition into a thermoset adhesive. The thermosettable PSA compositions are particularly useful for forming semi-structural or structural bonds. Thermoset adhesives therefrom and methods of forming the thermoset adhesives are also disclosed.

Abstract: The present invention provides a room-temperature curable, reinforced thermosetting epoxy resin composition. The composition includes an epoxy resin first component, and an epoxy resin hardener second component. The epoxy resin component includes an epoxy resin, and may further include an inorganic and/or organic filler component, such as a structural reinforcement component. The epoxy resin hardener component includes an amine-based hardener, and may further include an inorganic and/or organic filler component. Cured reaction products of the composition demonstrate at about room temperature an adhesive strength of at least about 6500 psi, such as about 8000 to about 10000, and a fracture toughness of at least about 10 in-lbs/in2, such as about 20 to about 35 in-lbs/in2. In addition, the cured reaction products of the composition demonstrate a creep resistance at about room temperature at least about 6000 psi of at least about 1 hour.

Abstract: This invention relates to a hybrid nonisocyanate polyurethane network polymer formed by cross-linking at least one cyclocarbonate oligomer and at least one amine oligomer. The cyclocarbonate oligomer contains a plurality of terminal cyclocarbonate groups. At least one cyclocarbonate oligomer further comprises from about 4% to about 12% by weight of terminal epoxy groups. Because at least one cyclocarbonate oligomer contains both cyclocarbonate and epoxy reactive groups, the network formed therefrom is referred to as a hybrid nonisocyanate polyurethane network. The cyclocarbonate oligomer or oligomers have an average functionality towards primary amines of from about 2.0 to about 5.44. The amine oligomer comprises at least one primary amine-terminated oligomer terminated with primary amine groups and has an average functionality towards cyclocarbonate groups of from about 3.0 to about 3.8. The amine oligomer is present in an amount from about 0.93 to about 0.

Abstract: A fluorine-containing curable composition comprises (A) a linear perfluoro compound having at least two secondary amino groups per molecule and a divalent perfluoroalkylene or divalent perfluoropolyether structure in the main chain, and (B) a crosslinkable fluorinated compound having at least three functional groups which are crosslinkable with the secondary amino groups of (A). This composition readily cures, with standing at room temperature or heating only, to a cured product having excellent solvent and chemical resistance.

Abstract: A single pack siliconized epoxy coating has been discovered that requires neither heat nor mixing with a catalytic curing agent immediately prior to application. The coating is comprised of an epoxy resin, a silanol based polydimethylsiloxane, an amine functional silicone polymer, and a distilled fatty nitrile. After homogenous blending of the compound, the composition is stored in air tight containers with a shelf life of over two years.

Abstract: A charge transporting block and an insulating block are block copolymerized or graft copolymerized to form a charge transporting copolymer. The charge transporting polymers may be used in an electrophotographic photoreceptor and an electrophotographic device.

Abstract: Aminourethane hardeners, suitable for aqueous epoxide-based coating media, otainable by the reaction ofA) aminourethanes which are obtainable by the reaction ofa) compounds comprising at least one cyclic carbonate group, andb) amines comprising at least one primary amino group wherein the ratio of the number of carbonate groups to that of amino groups is 1:10 to 1:1.1, withB) water-thinnable epoxide compounds, obtainable fromc) polyalkylene polyethers comprising a primary and/or secondary .alpha.-amino group and an .omega.-alkyl ether or aryl ether group and/or polyatkylene polyethers comprising two primary and/or secondary .alpha.,.omega.

Abstract: A laminate structure comprises one or more layers of an organic polymer and one or more layers of a hydroxy-functionalized polyetheramine, wherein the hydroxy-functionalized polyetheramine layer is adhered directly to a contiguous organic polymer layer without an adhesive layer therebetween. The hydroxy-functionalized polyetheramine is prepared by reacting (1) a difunctional amine with (2) a diglycidyl ether or a diepoxy-functionalized poly(alkylene oxide) under conditions sufficient to cause the amine moieties to react with the epoxy moieties to form a polymer backbone having amine linkages, ether linkages and pendant hydroxyl moieties and then treating the reaction product with a monofunctional nucleophile which is not a primary or secondary amine.

Abstract: A glass yarn sizing composition consisting of a solution having a viscosity of at most 400 cP and including less than 5 wt. % of solvent and at least one basic heat-polymerisable system which includes at least 60 wt. % of components having a molecular weight of less than 750, and at least 60 wt. % of a mixture of one or more components having at least one epoxy reactive function, and one or more components having at least one (preferably primary or secondary) amine reactive function, wherein the amount of components having at least one amine reactive function represents at least 6 wt. % of the composition. A method using said composition, and the resulting yarns coated with said composition, are also disclosed.

Abstract: A composite coating is described. The composite comprises a substrate; one or more primer coating layers disposed on the substrate; and at least one topcoat layer disposed on the outermost primer coating layer. The outermost primer coating layer is obtained by reaction of a primer composition that includes a novolac resin having at least one carbamate group and an aminoplast resin.

Abstract: This invention relates to coating compositions including one or more resins having amino-reactive groups; one or more polyamine curing agents; and one or more aminourethanes. The aminourethanes can be reaction products of (i) oligomeric or polymeric compounds which contain at least one, preferably two or more terminal 2-oxo-1,3-dioxolane groups (cyclic carbonate groups), and (ii) amines containing at least one primary, preferably two or more primary and, if desired, also secondary and tertiary amino groups. The ratios of equivalents of C1):C2) typically is from 1:1 to 1:10, preferably from 1:1.05 to 1:5 and particularly preferably from 1:1.1 to 1:2, and the end product preferably contains one or more free primary amino groups. The composition further may contain, if desired, pigments, fillers, one or more organic solvents, water and conventional additives.

Abstract: Reductive alkylation of branched, short chain diamines, such as 2-methyl-1,5-pentanediamine, with certain aldehydes or ketones of moderate molecular weight, such as benzaldehyde or methyl isobutyl ketone, produces novel tri- and difunctional amines which are useful in curing epoxy resins to compositions having improved flexibility and enhanced resistance to moisture and chemicals. Particularly favorable results are achieved when this curative is combined in the epoxy formulation with low molecular weight acrylic copolymers added as flexibilizers. Further improvements are available by including in the recipe monofunctional epoxy or acrylic reactive diluents.

Abstract: A charge transporting polymer represented by formula ##STR1## wherein R represents a hydrogen atom, an alkyl group, an acyl group or --CONH--R, wherein R' represents an alkyl group or a substituted or unsubstituted aryl group; R.sub.1 and R.sub.2, which may be the same or different, each represent a hydrogen atom, an alkyl group, an alkoxy group, a substituted amino group, a halogen atom, or a substituted or unsubstituted aryl group; X represents a substituted or unsubstituted divalent aromatic group; y represents 0 or 1; m represents 0 or 1; n represents an integer of 1 to 5; and p represents an integer of 5 to 5000,a process for producing the same, and an organic electron device containing the same, such as an electrophotographic photoreceptor are disclosed. The charge transporting polymer is excellent in solubility, film-forming properties, mechanical strength, positive hole mobility, and stability to repeated use.

Abstract: A cleaning member which is a cleaning blade for cleaning the discharging port formation surface of the ink jet recording head for an ink jet recording apparatus includes polyether polyurethane obtainable by the reaction between a hardening agent and the polyether urethane prepolymer which is obtained by the reaction between polyoxyalkyleneglycol and polyisocyanate, and an ink jet recording apparatus which uses the aforesaid cleaning blade enables a desirable image to be obtained for a long time without replacing cleaning blades.

Abstract: A curable epoxy resin composition comprising a polyepoxide resin and an amine curative characterized in that the amine curative comprises the reaction product of excess monomethylamine (MMA) and a polyglycidyl ether. When a diglycidyl ether is used in the reaction the resulting product can be described by the following structure: ##STR1## where R is an aliphatic, cycloaliphatic or aromatic organic radical and m is 0-3.

Abstract: An ungelled thermoplastic resin having gas barrier properties and containing at least 7 percent by weight of amine nitrogen is derived via the reaction of a polyamine devoid of oxyalkylene moieties and containing up to about two primary amino nitrogen groups per molecule and a polyepoxide in a molar ratio of polyamine to polyepoxide of from 1.4:1 to 0.83:1.

Abstract: A curing agent for a composition useful for the production of matt epoxy resin and hybrid powder coatings, comprising a mixture ofa) salts of phthalic acid, isophthalic acid and terephthalic acid with the following amines ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 are identical or different aliphatic, cycloaliphatic, araliphatic or aromatic hydrocarbon radicals having 1-20 carbon atoms and in which one or more CH.sub.2 groups in the carbon chain may be replaced by 0 atoms, by NR.sub.4 groups where R.sub.4 =C.sub.1-6 -alkyl, CH--OH groups, and/or one or more terminal methyl groups may be replaced by dialkyl-substituted amino groups having 1 to 6 carbon atoms, and R.sub.1 and R.sub.2 may form a joint ring in which one CH.sub.2 group may be replaced by an O atom or by an NR.sub.4 group, and R.sub.1 =R.sub.2 =R.sub.3 --CH.sub.2 --CH.sub.2 -- attached via a common nitrogen atom, and n=3-11, and 0.5-2 mol of amine A)-C) per mole of acid, andb) pyromellitic acid and/or trimellitic acid, 0.

Abstract: Described herein is a composition comprising an epoxy resin containing at least one glycidyl amine group wherein the resin contains three or more epoxide groups per molecule and a particular aromatic amine hardener. These compositions possess the necessary balance of properties required for making prepreg and afford unreinforced castings with high moduli and strength.

Abstract: A new epoxy hardener composition is the product of the reaction of (A) a poly(alkylene oxide) monoamine or diamine with a molecular weight (Mn) of about 500 to 3000 and (B) a di- or polycarboxylic acid, in a ratio of moles of carboxylic acid to equivalents of amine of about 1:1 to 6:1 to yield an intermediate (C), which in a second step is reacted with (D) a di- or polyamine. The compositions of the invention are excellent emulsifiers of liquid epoxy resins in aqueous media without the addition of added surfactants or acidic compounds, and can be used to prepare water resistant water-borne coatings and related products from both liquid and solid epoxy resins, that possess long pot lives and contain relatively small amounts of volatile organic compounds.

Abstract: A curable epoxy resin composition comprising a polyepoxide resin and an amine curative characterized in that the amine curative comprises (a) the reaction product of excess monomethylamine (MMA) and an aliphatic or cycloaliphatic polyglycidyl ether and (b) an amine curative. When a diglycidyl ether is used in the reaction the resulting product can be described by the following structure: ##STR1## where R is an aliphatic, cycloaliphatic or aromatic organic radical and m is 0-3.

Abstract: Provided are epoxy curing agents comprising the reaction product of reactants consisting essentially of an alkylene polyamine having less than about 12 carbon atoms, an aromatic mono-glycidyl ether having less than about 18 carbon atoms, and a diglycidyl ether of an aromatic diol having an average degree of oligomerization of less than about 3.5, wherein the ratio of primary amine equivalents of said alkylene polyamine to the total epoxide equivalents of said aromatic glycidyl ether and said diglycidyl ether of an aromatic diol is not essentially less than one, and the ratio of epoxide equivalents of said aromatic mono-glycidyl ether to epoxide equivalents of said diglycidyl ether of an aromatic diol is greater than one.

Abstract: A curing agent for epoxy resins is prepared from an amine and an epoxy, as well as subsequent modification by a polyisocyanate compound, in such a manner that the curing agent is in the form of small spherical particles. The particles can be as small as 0.1 microns. This curing agent can be easily dispersed in curing agent masterbatches and curable compositions with minimal effect on their storage stability. The resulting curable compositions have a wide range of applications, including automobile and electronic adhesives.

Abstract: Amino-containing polymer systems which are suitable for the preparation of binders for printing inks can be obtained by synthesizing a polymer or polymer mixture A from at least one compound from each of the groups(a) epoxides, carbonates, epoxide-carbonates,(b) amines and(c) phenols,at least partial neutralization of the resulting polymer or polymer mixture A, and transfer to water, and optionally, preparing a water-insoluble polymer B which can be prepared by polymerization of ethylenically unsaturated monomers in the presence of the polymer or polymer mixture A.

Abstract: A new epoxy hardener composition is the product of the reaction of (A) a poly(alkylene oxide) monoalcohol with a molecular weight (Mn) of about 500 to 3000 and (B) a polyepoxide, in a molar ratio of polyepoxide to poly(alkylene oxide) monoalcohol of about 1.3:1 to 6:1 to yield an intermediate (C), which in a second step is reacted with (D) a polyamine. The compositions of the invention are excellent emulsifiers of liquid epoxy resins in aqueous media without the addition of added surfactants or acidic compounds, and can be used to prepare water resistant water-borne coatings and related products from both liquid and solid epoxy resins, that possess long pot lives and contain relatively small amounts of volatile organic compounds.

Abstract: Novel polymers of general formula: ##STR1## wherein R is an alkyl or aryl group that contains an active hydrogen atom (as determined by the Zerewitinoff test); A is a spacing group having at least one carbon atom; B is a spacing group having at least two carbon atoms; and R and R' are alkyl or aryl groups. The polymer is synthesized via the Mannich pathway, involving formation of an imine intermediate.

Abstract: Novel polycyanate and polycyanamide compositions containing one or more rodlike mesogenic moieties, when cured, result in products having improved properties.

Abstract: Novel polycyanate and polycyanamide compositions containing one or more rodlike mesogenic moieties, when cured, result in products having improved properties.