Abstract: Provided are a resin composition whose storability is not reduced, a prepreg which uses the resin composition and which is uniformly colored, a laminated board, a multilayer printed wiring board having excellent results in reliability tests such as a thermal shock test and the like, and a semiconductor device. The resin composition is a resin composition for a multilayer printed wiring board, comprising (A) a novolac type epoxy resin, (B) a curing agent, (C) an inorganic filler, and (D) a colorant, wherein the exothermic peak temperature of the resin composition, as measured by DSC, is within ±5° C. of the exothermic peak temperature of a resin composition composed of (A) a novolac type epoxy resin, (B) a curing agent, and (C) an inorganic filler.

Abstract: The invention is a formulation that contains: (1) a low-viscosity epoxy resin; (2) a phenolic chain extender whose concentration is less that 0.6 equivalents phenolic hydroxyl group per equivalent of the low-viscosity epoxy resin; (3) a catalyst that promotes self-curing reactions between epoxy groups; (4) an inhibitor that inhibits the activity of the catalyst under “B-staging” conditions; (5) less than 25 weight percent of a volatile organic solvent; and (6) optionally, a multifunctional cross-linking agent. The formulation contains low levels of volatile organic solvent, and can be used to make electrical laminates. It builds molecular weight controllably in B-staging, so that dripping is avoided but the prepreg can be easily laminated.

Abstract: The invention relates to an aerosol can containing a two-component paint with an aerosol preparation, in particular for use in the automotive industry and for automotive repairs. Said aerosol can contains a binding agent component and a curing component. The binding agent component contains a curable epoxy parent component, solvents and a propellant and the curing component contains a cross-linking agent, which is suitable for curing the epoxy binding agent. The curing component is housed separately from the binding agent component in a cross-linking casing, which is located in the aerosol paint can and can be activated externally.

Abstract: The present invention provides a novel oxazolidone ring-containing epoxy resin suitable for use as a resin for a coated film having a structure of the formula: wherein R3 represents a residue excluding epoxy groups of diepoxide, X represents a residue excluding isocyanate groups of polyurethane diisocyanate, and n represents an integer of 1 to 5; and wherein X has a structure of the formula: wherein R1 represents a residue excluding isocyanate groups of diisocyanate, R2 represents a residue excluding hydroxyl groups of diol, and m represents an integer of 2 to 10.

Abstract: A coating composition includes a thermoplastic dispersion and a stabilizer. The stabilizer includes the reaction product of an epoxy resin and an acid, wherein the stabilizer has at least two oxirane functional groups per molecule.

Abstract: The present printing process provides a multilayer coating system comprising a low viscosity, latent, heat-curable thermoplastic adhesive layer, colored ink interlayer, and an abrasion-resistant top lacquer layer that can be utilized for production of heat transferable labels suitable for labeling bottles and other containers that are subjected for over ten cycles to immersion in heated aqueous sodium hydroxide solution for cleaning prior to re-use.

Abstract: Process for preparing a polyol comprising particulate material is dispersed from and in an amount 30-80% by weight.

Abstract: The present invention relates to an anti-friction and anti-wear liquid coating composition for use with parts made of materials that have softening points below about 300° F. and articles so coated. The present invention also relates to a method of coating parts made from a low softening point materials with an anti-friction and anti-wear hard coating composition. The coating composition comprises a mixture of (i) solid lubricants comprising boron nitride, graphite and molybdenum disulfide, (ii) a thermoset resin system, (iii) catalyst for curing the resin system and (iv) a solvent system comprising highly volatile solvents. The coating composition is applied to the part and cured to form a coating on the part.

Abstract: A single component epoxy coating precursor and a method for making such a precursor, a low VOC epoxy coating and a method for making such a coating, and a method for making a blocked amine which is more stable than previously known ones. The single component epoxy coating precursor includes an epoxy resin, a first solvent, and a blocked amine. The single component epoxy coating precursor has a viscosity after 30 days at a temperature of 55° C. of less than 16 stokes.

Abstract: The present invention relates to a thermally and cationically curable composition containing triarylcyclopropenylium salts and a solvent that is a Lewis base which contains acidic hydrogen and their use as thermal initiators in polymerization processes. The present invention includes the polymerization of epoxy resins, vinyl ethers and other cationically curable monomers.

Abstract: A thermosetting resin composition for prestressed concrete tendon, wherein the composition does not harden until the completion of the straining of the tendon, which is the inherent object in the post-tension technique, even if the heat storage temperature in the concrete structures elevates from 30° C. to 80° C. or higher due to heat of hydration reaction in setting a concrete, particularly 95° C. that is the maximum temperature in solidifying a concrete, and the composition including the site of 30° C. or lower where there is substantially no partial heat storage due to heat of hydration reaction in setting the concrete hardens within the prescribed period of time under spontaneous environmental temperature after the subsequent natural cooling, thereby achieving anti-rust and anti-corrosion of the tendon and also adhesion and integral bonding of the tendon and the concrete, a use method thereof and a prestressed concrete tendon.

Abstract: The present invention relates to epoxy compositions; in particular the present invention relates to stable low temperature curing epoxy-based compositions.

Abstract: An epoxy based adhesive composition contains: (i) a barbituric acid-modified bismaleimide; (ii) an epoxy resin selected from the group consisting of tetraglycidylmethylenedianiline, diglycidyl ortho-phthalate, diglycidyl ether of bisphenol A, polyglycidyl ether of novolac, and epoxy cresol novolac; (iii) an elastomer such as a carboxylated acrylontrile rubber containing between 19 and 41 wt % of acrylontrile; (v) a hardening agent and (vi) a catalyst.

Abstract: This adhesive for electroless plating can be produced without causing dust explosion and is excellent as an interlaminar resin insulating layer and is obtained by mixing an organic solvent dispersion of cured particles of heat resistant resin soluble or decomposable in an acid or an oxidizing agent with an uncured resin. The dispersion of the cured particles of the heat resistant resin in the organic solvent is obtained by dispersing cured particles formed in the production of heat resistant resin cured particles into the organic solvent without drying, and the uncured resin is a resin becoming hardly soluble in an acid or an oxidizing agent through curing treatment and capable of forming a heat resistant cured resin.

Abstract: The compositions described include micronized zinc oxide UV blocking agents with at least one organic UV protective compound. Premix compositions are provided for imparting improved UV resistance to paints, coatings, finishes and plastic articles comprising both micronized inorganic zinc oxide and organic UV protective compounds suitable for easy later inclusion into paint, coating, finish and plastic articles formulations.

Abstract: The present invention relates to an epoxy-based coating resin composition which facilitates the transcription of the printed letters or photographs developed by sublimation dyes on printing paper to the surface of potteries, glasses, marbles, metals or woods only by thermal treatment and more particularly, to the epoxy-based coating resin composition with 1) long-tern storage stability due to the use of a mixture of diethanolamine and triethanolamine as a hardening accelerator, 2) uniform thickness after coated, 3) less air bubbles after dried, 4) good depth in printing, and 5) a releasing property which promotes easier separation of printing paper from its coated surface after transfer-printed.

Abstract: A triazine compound having formula I or formula II: Wherein n is integer from 1 to 5; R1 is hydrogen, halogen, C1-C4 alkyl, or C1-C4 alkoxyl; and R2 is aliphatic amine, aliphatic alcohol, alicyclic amine or alicyclic alcohol, and an epoxy resin composition containing the triazine compound. The epoxy resin composition is suitable for the preparation of the structural substrate of printed circuit boards having low dielectric constant.

Abstract: A curable composition comprisingA) a mixture ofA1) at least one polymer based on acrylate and/or methacrylate monomers and containing on average 0.1 to 4.0 equivalents of free carboxyl groups per kilogram of polymer, andA2) at least one carboxyl-terminated polyester which contains on average0.

Abstract: The invention relates to a process for preparing soluble and/or meltable phosphorus-modified epoxy resins, which comprises reacting a polyepoxide compound having at least 2 epoxide groups per molecule with carboxyl-containing phosphinic or phosphonic acids.

Abstract: The present invention relates to phosphorus-modified epoxy resins having an epoxide value of 0 to about 1 mol/100 g containing structural units which are derived from(A) polyepoxide compounds having at least two epoxide groups per molecule and(B) phosphinic and/or phosphonic acid anhydrides, wherein at least one phenolic antioxidant is admixed to them. The phosphorus-modified epoxy resins stabilized in this way are distinguished by an increased storage stability, in particular at higher temperatures.The invention furthermore relates to the use of these stabilized, phosphorus-modified epoxy resins for the production of shaped articles, coatings or laminates.

Abstract: Compositions and methods of use are presented suitable for use in priming a first plastic surface, such as an automobile bumper facie, for adhesion of a second plastic material thereto, such as an epoxy resin. The compositions comprise an epoxy resin and a priming solvent, where the epoxy resin is derived from the reaction product of a first organic material having a plurality of epoxy-functional groups and a second organic material, the second organic material being the combination of a material having a plurality of amine-functional groups and a material having a plurality of mercaptan-functional groups. The first and second organic materials are initially dissolved or dispersed in their respective organic solvents, the two solvents making up the priming solvent. The priming solvent is adapted to wet and penetrate but not be substantially retained by the first plastic surface where applied thereto. Kits useful in repairing plastic surfaces using the compositions of the invention are also presented.

Abstract: Described herein are compositions useful for the preparation of high modulus matrix resins for composites comprising a cycloaliphatic epoxide and a particular modifier.

Abstract: Epoxy resin compositions used in preparation of laminates for electronic applications are free of the solvents typically needed in current industrial practice. The use of certain mono-substituted dicyandiamides makes possible the elimination of such solvents since all of the components are soluble in epoxy resin to an extent which provides uniform properties in the cured laminates.

Abstract: Solutions of accelerator systems comprising a binary system comprisinga) 10 to 90% by weight of a salt of formula I[Me].sub.m.sup.x.sym. [R].sub.n.sup.y.crclbar. (I),wherein x and y are the respective number of charges and m and n are each a number 1, 2, 3 or 4, Me is a metal atom and R is the radical of an alcohol, phenol or thiophenol or of a carboxylic acid or thiocarboxylic acid, or10 to 90% by weight of a salt of formula II[Me.sub.1 ].sub.m.sup.x.sym. [A].sub.n.sup.y.crclbar. (II),with an organic complex former containing one or more hetero atoms having free electron pairs,wherein Me.sub.1 is a metal atom or a group of the formula N(R.sub.1).sub.4, S(R.sub.1).sub.3 or P(R.sub.1).sub.4 wherein each R.sub.1 independently of the others is hydrogen, an unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or aryl radical, A is any anion and x, y, m and n are as defined above, andb) 90 to 10% by weight of an organic solvent containing at least one --OH, --OR.sub.1, --COOH, --COOR.sub.1, --COR.sub.1 or --CON(R.

Abstract: An anticorrosive primer composition comprises (1) 100 parts by weight of an epoxy resin having a number-average molecular weight of from 500 to 10,000, (2) from 10 to 60 parts by weight of an aromatic polyamine containing from 2% to 30% by weight, based on the aromatic polyamine, of a promoter selected from the group consisting of phenol compounds and cresol compounds, (3) from 10 to 60 parts by weight of a polyisocyanate, (4) from 10 to 40 phr, based on the sum of components (1), (2), and (3), of silica particles of colloidal silica or fumed silica or a mixture of these, (5) from 0.5 to 5 phr of a lubricant, and (6) an organic solvent. The composition is particularly suitable for use to apply onto the chromate coating of a chromated, zinc-plated steel sheet.

Abstract: Compositions of coreactant resins, such as an epoxy resin, and polyanhydrides that contain non-cyclic anhydride moieties are cured to provide coatings that have good exterior durability. Preferred high molecular weight polyanhydrides contain a central polymer moiety that has no more than about 25 weight percent repeating units derived from unsaturated aliphatic hydrocarbon monomers. In other preferred polyanhydrides, the anhydride moleties are linked to a central moiety by an ester moiety.

Abstract: Storage stable thermosettable ethylenically unsaturated resins containing at least one 1,4-naphthoquinone substituted on the 2 or 3 or both the 2 and 3 positions. The reactivity of these storage stable resins with curing agents is not unacceptably reduced by the presence of the stabilizer. The compositions are useful in the preparation of laminates or composites and in filament winding pultrusion, braiding and resin transfer molding applications.

Abstract: A process for manufacturing a high glass transition temperature printed circuit board comprising blending a modified bismaleimide resin into a modified epoxy resin is disclosed. Particularly the material is manufactured by blending a bismaleimide resin reacted with barbituric acid and its derivative thereof and an epoxy resin with an oxazolidone ring resulting from the reaction of a polyisocyanate and an epoxy resin modified with a secondary diamine and followed by curing. The resultant product has a high glass transition temperature, a good adhesion, flame retardancy, and a low bromine content.

Abstract: A free flowing powder of discrete particles of a polar group-containing modified propylene polymer (MPP) is disclosed. This MPP powder has an average particle size of less than about 5 microns and comprises about 25-45 wt. % of discrete particles of the MPP and about 55-75 wt. % of a liquid which is a solvent for a film forming resin material, all wt. percentages being based on the total weight of the powder. The preferred MPP is maleic anhydride polypropylene. The preferred film forming resin solvent is methyl ethyl ketone (MEK). The MPP powder is adapted to be suspended in a primer composition containing a film forming resin, preferably an epoxy resin.

Abstract: The present invention relates to an epoxy ester coating copolymer resin which is useful in the preparation of an air curable, high solids coating, which resin is the reaction product of components (I), (II) and (III); wherein (I) is a polymerizable base of (a) a fatty acid having free radical polymerizable double bonds and (b) a vinyl monomer selected from the group consisting of styrenes, vinyl toluene and mixtures thereof; (II) is an epoxy resin and (III) is a monobasic acid. The epoxy ester copolymer resin of the invention is prepared by the reaction of (I), (II) and (III) at an elevated temperature to an acid number below 10.

Abstract: A coating composition particularly useful in for forming exterior finishes on the exterior of vehicle parts, the binder of the composition which is in an organic liquid carrier is a polyesterurethane and a multifunctional epoxy compound; whereinthe polyesterurethane is formed by reacting a hydroxy functional polyester with a hydroxy containing carboxylic acid and an organic polyisocyanate andthe multifunctional epoxy resin is an aliphatic, cycloaliphatic or aromatic epoxy resin; coated parts, laminates and composite structures made with the coating composition are also part of the invention.

Abstract: The high sublimation energy of industrial diamond pigment is combined with the clean ablation properties of an epoxy or urethane binder. The result is a low impulse decoy coating that has the desired compatibility with the decoy heat shield materials, good radar transmission, and a neutral effect on the electron densities in the wake. A high volume fraction of the diamond pigment is required to substantially reduce the blow-off impulse. The coating for a carbon-carbon substrate is a mixture of diamond pigment and a urethane or epoxy binder. Good quality, strong adherent coatings for a low-impulse decoy were fabricated in the range of 85 to 90 weight percent of diamond for both urethane and epoxy.

Abstract: Reactive hot melt structural adhesives comprising urethane oligomer and epoxy mixture in specified ratios. The compositions offer very high shear, peel, and impact strengths, properties of particular value in bonding adherends in an auto body assembly line.

Abstract: Thermosettable ethylenically unsaturated resins are rendered storage stable by the addition of a complex formed by mixing (a) at least one quinonoid compound and (b) at least one imidazole compound. The reactivity of these storage stable resins with curing agents is not significantly reduced by the presence of the stabilizer complex.

Abstract: A coating composition is provided comprising an epoxy resin, a polyacetoacetate, a curing agent for the epoxy resin, and an optional organic solvent. The presence of the polyacetoacetate permits the preparation of a fast-drying high-solids coating formulation.

Abstract: A colored macromolecular polymer is produced by a method which comprises dissolving a soluble salt of a noble metal in a liquid monomer, polymerizing the monomer having the soluble salt of the noble metal dissolved therein, and subjecting the resultant solid polymer to a heat treatment at a temperature equal to or exceeding the colloid-forming temperature of the noble metal.

Abstract: This invention presents improved epoxy-based die attach adhesives which are of low viscosity, high ionic purity, and stable toward thermal cycling. This improvement is obtained by including in the formulation carboxy terminated polymers which are the reaction products of polyether diols with cyclic dianhydrides.

Abstract: Novel reactive hot melt structural adhesives comprising urethane oligomer and epoxy mixture in specified ratios. The compositions offer very high shear, peel, and impact strengths, properties of particular value in bonding adherends in an auto body assembly line.

Abstract: A composition of enhanced thermal conductivity which comprises a tetrabrominated diglycidyl ether polyepoxide; and epoxy polymer having an epoxy functionality of 3.5 to 6; zinc oxide and curing agents; and use thereof.

Abstract: An air-drying aqueous coating composition for eletrodeposition comprising[A] water-solubilized product or a water-dispersed product obtained by reacting (A-1) an epoxy resin and (A-2) a maleinized product of a (semi)drying oil fatty acid-modified vinyl polymer having an acid value of 10 to 200 in such proportions that the solids weight ratio of the component (A-1) to the component (A-2) is from 90/10 to 5/95, and[B] an amphoteric organic solvent having affinity for component [A].

Abstract: A composition for use in forming an interpenetrating polymer network includes a blocked urethane prepolymer, a polyol, an epoxy resin and an epoxy catalyzing agent.

Abstract: Flexible thermoplastic epoxy resins are prepared by reacting (1) an advanced epoxy resin prepared by reacting a mixture of an aromatic based epoxy resin and an aliphatic based epoxy resin with a polyhydric phenol in the presence of an advancement catalyst with (2) a monocarboxylic acid or anhydride thereof; reacting the resultant product with a mixture of an armotic based epoxy resin and a monofunctional material reactive with vicinal epoxy groups; and reacting the resultant product with a carboxyl terminated elastomer. These resins are particularly useful in formulating pavement marking paints.

Abstract: Electrical laminates are prepared from prepreg materials prepared by impregnating a substrate with a laminating varnish comprising a ketone solvent solution of a curable composition comprising (A) at least one aromatic based epoxy resin having an average number of epoxide groups per molecule of more than 2; (B) a mixture of (1) at least one phenolic hydroxyl-containing compound having an average of more than 1 but not more than 2 phenolic hydroxyl groups per molecule; and (2) at least one phenolic hydroxyl-containing compound having an average of more than 2 phenolic hydroxyl groups per molecule; and (C), optionally, at least one catalyst for effecting the reaction between (A) and (B).

Abstract: Novel solvent-based thermosetting composition comprising (a) hydroxy functional epoxy ester resin of number average molecular weight (Mn) between about 1,000 and about 5,000, comprising the reaction product of diepoxide with aliphatic diol and, subsequently, with acid component comprising (i) hydroxy functional acid and, optionally, (ii) fatty acid; and (b) polyfunctional, hydroxy-reactive crosslinking agent, for example, aminoplast crosslinking agent or blocked polyisocyanate crosslinking agent comprising isocyanate groups blocked by reaction with an active hydrogen bearing blocking agent. Coating composition may be formulated as primer sprayable with conventional spraying equipment.

Abstract: Composite basic resin particles each of which comprises a granular body portion of crosslinked polymer having a mean diameter of 0.01 to 10.mu. and a number of linear polymer chains, a part of the respective linear polymer chain penetrating into the inside of the granular body portion and the remaining part extending outwardly therefrom, and at least part of said linear polymer chains bearing basic functional groups selected from amino groups and ammonium group. A dispersion of said composite basic resin particles in an organic solvent is useful as a resinous vehicle for coating compositions.

Abstract: Flexible thermoplastic epoxy resins are prepared by reacting (1) an advanced epoxy resin prepared by reacting a mixture of an aromatic based epoxy resin and an aliphatic based epoxy resin with a polyhydric phenol in the presence of an advancement catalyst with (2) a monocarboxylic acid or anhydride thereof; reacting the resultant product with a mixture of an aromatic based epoxy resin and a monofunctional material reactive with vicinal epoxy groups; and reacting the resultant product with a carboxyl terminated elastomer. These resins are particularly useful in formulating pavement marking paints.

Abstract: A coating composition comprising (a) an imine obtained by reaction of an organic silicon compound having an aminoalkyl group and at least one alkoxy group with an organic carbonyl compound, (b) a compound having at least one oxirane ring, and optionally (c) a compound having at least one acryloyl or methacryloyl group.

Abstract: A solvent-based thermosetting coating composition comprising a hydroxy functional epoxy-polyester graft copolymer and blocked polyisocyanate crosslinking agent. The coating composition may be formulated as hot sprayable, high solids coating composition suitable for use as chip resistant automotive vehicle primer suitable for use on body panel areas subject to chipping by stones, gravel and other road debris. Alternatively, the composition may be formulated as a high solids composition sprayable with conventional spraying equipment. The hydroxy functional epoxy-polyester graft copolymer is the product of polymerization of lactone monomers in the presence of hydroxy functional epoxy ester resin precursor. The precursor resin is the reaction product of diepoxide chain extended with diphenol and chain terminated with acid component comprising primary hydroxy functional acid. The polymerization of the lactone monomers is carried out at a temperature between about 50.degree. C. and about 300.degree. C.

Abstract: Crosslinker compositions comprising an etherified amino resin, a styrene allyl alcohol copolymer and an epoxy resin. The crosslinker compositions are used to cure hydroxy functional coating vehicles to provide cured coatings resistant to staining.

Abstract: Solvent-based thermosetting coating composition comprising a hydroxy functional epoxy ester resin, linear polycaprolactone diol and blocked polyisocyanate crosslinking agent. The coating composition may be formulated as hot sprayable, high solids coating composition suitable for use as chip resistant automotive vehicle primer adapted for use on body panel areas subject to chipping by stones, gravel and other road debris. Alternatively, the composition may be formulated as a high solids composition sprayable with conventional spraying equipment. The hydroxy functional epoxy ester resin is the reaction product of diepoxide chain extended with aliphatic diol and chain terminated with acid component comprising primary hydroxy functional acid.