Abstract: This invention relates to mixtures of short fibers of varying lengths, diameters and aspect ratios composed of an anisotropic polymer, to compositions containing said fibers and one or more thermoplastic or thermoset resins, and to a process for forming said mixtures.

Abstract: A composite material is comprised of an in situ polymerized rigid rod polymer and an in situ polymerized matrix polymer. The composite material is isotropic and has enhanced mechanical properties as well as improved temperature resistance, improved solvent resistance and improved moisture resistance.

Abstract: New polyoxazolidines can be defined with the general formula: ##STR1## where R, R.sub.1, R.sub.2 and n have the meaning specified in the description. These polyoxazolidines are useful cross-linking agents for hydrocuring systems based on polyisocyanates, acrylate polymers and polyepoxides, in compositions for paints, coatings, sealants and adhesives.

Abstract: A high solids coating composition suitable for use, for example, as a high performance automotive coating is provided, which comprises (1) a particular polyurethane polyol which is the reaction product of an asymmetric diol component and an isocyanate component, and (2) an hydroxyl groups-reactive crosslinking agent. When formulated as a one-pack coating preferably with an aminoplast crosslinking agent, these coating compositions possess a number of desirable properties including excellent acid etch resistance.

Abstract: Disclosed herein are a polyiscoyanate comprising a mixture of aromatic polyisocyanates represented by the general formula: ##STR1## wherein A is a phenylene group, alkylene group, alkyl-substituted phenylene group, diphenylene group, diphenyl ether group or naphthylenyl group, R.sub.1 is a halogen atom, lower alkoxy group with a carbon number of 4 or less or lower alkyl group with a carbon number of 5 or less, R.sub.1 s may be the same or different from each other and may form a ring, l is 1 or 2, m is an integer of 0-3, and n is a integer of 0-300, and a production process thereof.

Abstract: A coating composition for coating a metal plate, and containing (i) 100 parts by weight of a polyester-melamine resin composed of (a) a polyester resin having a glass transition temperature of 5.degree. to 40.degree. C. and a number average molecular weight of 15,000 to 30,000 and (b) a melamine resin at a weight ratio (a)/(b) of 75/25 to 55/45 and (ii) 1 to 2 parts by weight of an amine-blocked derivative of a long-chain alkylbenzenesulfonic acid.

Abstract: Moldings, in particular foams and fibers, based on melamine/formaldehyde condensation products, in which from 0.1 to 70 mol % of the melamine have been replaced by melamine substituted by from 1 to 3 hydroxyoxaalkyl groups of the formula--(CH.sub.2 --CH.sub.2 --O).sub.n --CH.sub.2 --CH.sub.2 --OHn=1-5)have increased elasticity.

Abstract: Novel crosslinked polymer microparticles having a mean grain diameter of 0.01 to 10.mu., whose polymer carries urea, urethane or amide groups. The invention also provides a coating composition containing said crosslinked polymer microparticles, which is excellent in application characteristics and storage stability and is capable of providing a coating with excellent film properties.

Abstract: According to this invention we provide an aqueous coating composition, suitable for application to a cathodic substrate by electrodeposition, which comprises a dispersion in an aqueous medium in the presence of an amine-ionizing acid of cationically stabilized particles comprising:(1) 50 to 84% by weight on the combined weight of (1), (2) & (3) of an amine-epoxide reaction product.(2) 15 to 45% by weight based on the combined weight of (1), (2) & (3) of a blocked polyisocyanate as crosslinking agent; and(3) 1 to 12% by weight based on the combined weights of (1), (2) and (3) of a highly methylolated, highly alkylated melamine-formaldehyde resin, wherein on average at least 4.0 of the reactive hydrogen atoms per triazine ring are methylolated, at least 3.5 of these methylol groups are alkylated and the alkylating group is selected from C.sub.4-10 alkyl; the resin being substantially unreactive with the amine-epoxide-reaction product (1) at temperatures below 190.degree. C.

Abstract: This invention relates to certain polyamine hydroxyalkyl carbamate monomers, polymers and copolymers thereof and blends of the same with crosslinking film making agents and films thereof deposited on substrates.

Abstract: Quaternary ammonium salts of a non-nucleophilic anion having an .alpha.-substituted benzyl group attached to the quatenary nitrogen atom or having a heterocycle including the quaternary nitrogen atom are useful as a cation polymerization initiator having a heat latency. A variety of resinous compositions containing this initiator is also disclosed.

Abstract: The present invention relates to a curable composition comprising:(A) at least one aminoplast resin; and(B) an amount effective to cure the composition of at least one catalyst selected from the group consisting of(B-1) an acid, or an anhydride, ester, ammonium salt or metal salt of the acid that is represented by one of the formulae ##STR1## (B-2) an acid, or an ester, a metal salt or ammonium salt of a sulfo compound represented by the formula: ##STR2## (B-3) an acid, or an ammonium or metal salts of a reaction product prepared by the reaction of at least one amine and sulfo compound of (B-2); and mixtures thereof;where in Formulae I and IIeach R.sub.1 and R.sub.2 is independently a hydrocarbyl, hydrocarbyloxy or hydrocaryltho group;where in Formulae I, II and IIIX.sub.1 and X.sub.2 are each independently sulfur or oxygen;R.sub.3 is a divalent hydrocaryl group,each R.sub.4 and R.sub.

Abstract: Preparation of conductive polymers, particularly polyanilines having good solubility in organic solvents and high electrical conductivity, by providing a mixture of aniline, dianiline and a flexible diamine such as 1,3-bis (3-aminophenoxy)benzene or triethylene tetramine. The mixture is reacted in the presence of an oxidant such as ammonium persulfate and a protonic (Bronsted) acid, e.g. tosic acid, to polymerize the mixture and form a conductive polyaniline in which the conjugation is interrupted by an intermediate diamine group, and which renders the resulting polymer more flexible than polyaniline per se. The conductive polymer so produced also has terminal primary amino groups which aid solubility and which are further reactive. The conductive polyaniline product of the invention can be blended with non-conductive resins such as polyimides to provide cured conductive resin blends having good mechanical properties.

Abstract: Fire retardant salts of organic-phosphorus acid compounds are produced by mixing and reacting an organic compound with an acidic salt-forming phosphorus compound to produce an organic-phosphorus acidic compound which is then reacted with a salt-forming basic compound. These fire retardant compounds are mixed with plastics to produce fire retardant plastics.

Abstract: Hybrid curable compositions comprising components curable by condensation and components curable by free radical initiated polymerization. The components curable by condensation reaction comprise amino resins and co-reactants, the condensation reaction being optionally catalyzed by acid catalysts. The components curable by free radical initiated polymerization comprise acryloyl compounds and allylic or vinylenearylenemethylidyne compounds.

Abstract: A composite material is comprised of an in situ polymerized rigid rod polymer and an in situ polymerized matrix polymer. The composite material is isotropic and has enhanced mechanical properties as well as improved temperature resistance, improved solvent resistance and improved moisture resistance.

Abstract: Benzylpyridinium or benzylammonium salts of a benzenesulfonate anion are useful as a proton-donating curing catalyst ion a resinous system capable of curing in the presence of such a catalyst. The catalyst is characterized by its heat-latent nature and thus does not impair the storage stability of the resinous system at an ambient temperature.

Abstract: Hybrid curable compositions comprising components curable by condensation and components curable by the free radical initiated polymerization. The components curable by condensation reaction comprise amino resins and co-reactants, the condensation reaction being optionally catalyzed by acid catalysts. The components curable by free radical initiated polymerization comprise acryloyl compounds.

Abstract: Urea-formaldehyde resins, particularly useful for producing particle boards having lower rates of release of formaldehyde are synthesized in several stages including a stage of further condensing a first condensate having a F/U molar ratio of 1.8-2.3 and which was condensed at a pH of between 6 and 8. The further condensing is conducted at a pH of between 6 and 8 until a cloud point with water is reached at 10.degree.-40.degree. C. making it possible to obtain resins which are reactive and stable during storage.

Abstract: The present invention relates to a curable composition comprising:(A) at least one aminoplast resin; and(B) an amount effective to cure the composition of at least one catalyst which is a sulfo acid, or an anhydride, ester, ammonium salt or metal salt of the acid.The sulfo acid can be exemplified by sulfonic acids, such as 2-acrylamido-2-methylpropane sulfonic acid, or a reaction product of the sulfonic acid and a phosphorus acid or salt, such as a dihydrocarbyl phosphorodithioic acid.The catalyst allows curing of aminoplast resins to be accomplished at low temperatures, while imparting a high degree of water resistance to the cured coating.

Abstract: Moulding compositions comprising(a) a melamine/formaldehyde resin, a melamine/phenol/formaldehyde resin or a mixture of said resins,(b) organic and/or inorganic fillers,(c) a lubricant, and(d) 0.1 to 2% by weight, based on the total composition, of 3-chloro-1,2-propanediol as latent hardener,are suitable for the production of mouldings by injection moulding. The latent hardener employed permits extremely short cycle times coupled with long residence times at the cylinder temperature of the injection moulding machine. The moulding compositions are distinguished at the same time by very good flow properties.

Abstract: Broadly, the present invention relates to a magnetically active organometallic Schiff base polymer having a molecular weight of between about 4,000 and 50,000 daltons.In an additional aspect, the present invention relates to a process for the preparation of magnetically active organometallic polymer having a molecular weight of between about 4,000 and 50,000 daltons, wherein the polymer comprises a multiplicity of Schiff base tridentate chelating groups having the capacity to combine with the iron (II) or iron (III) ion of an organic salt, which process comprises:(a) combining at least one organic diamine including hydrazine with at least one organic diketone or dialdehyde in an anhydrous dipolar aprotic solvent for a time sufficient to produce the polymer at a temperature of between about 50.degree. and 200.degree. C.

Abstract: The present invention is directed to a method for preparing microcapsules which comprises:preparing an aqueous dispersion or emulsion of a hydrophobic oily core material containing a polyvalent isocyanate, a polyvalent isothiocyanate, or an adduct thereof, having an anionic moiety; andforming capsule walls around the droplets of said oily core material.

Abstract: The preparation of aminoplastic resins containing melamine, having very low rates of formaldehyde emission, and being particularly useful for the production of particle boards. In a second stage of the process for preparing the resin, additional NH.sub.2 (melamine and urea) is added to a conventional condensate solution at an increased pH between 6 and 9 so as to lower the F/NH.sub.2 molar ratio to between 0.5 and 0.9. Urea is added in a third stage to obtain an F/NH.sub.2 of between 0.30 and 0.50, with the optional addition of borax.

Abstract: The cross-linking or curing of thermosetting resins and of hot curable elastomers is carried out by heating the material or the article comprising the resin (or the elastomer) by saturated vapor of the commercial perfluoropolyether having an average boiling point corresponding to the temperature necessary for the cross-linking and having a point range not exceeding 12.degree. C. (measured according to ASTM D 1078) in the presence of a chlorofluorohydrocarbon secondary vapor.

Abstract: Curing aminoplastic resins containing urea and melamine by adding as the curing catalyst, a triazinone derivative.

Abstract: There is disclosed a primer composition for improving the adhesion between a solid sustrate and a thermosetting or thermoplastic polymer. The composition comprises (A) an epoxy or mercapto functional organosilicon compound, (B) an alkoxymethyltriazine and (C) a difunctional aromatic compound in which the functionality is independently selected from hydroxyl, amino or carboxyl groups. The compositions of the present invention provide substantially improved wet and dry adhesion of polymers to metallic, mineral or plastic substrates.

Abstract: A water-based coating composition comprising as the first component, a mixture of a polyaldehyde chosen from the group consisting of glyoxal, glutaraldehyde and derivatives of glyoxal and glutaraldehyde, and a water dispersible component chosen from the group consisting of epoxy resin emulsions which can be emulsified in water, synthetic latexes stable at about pH 7 or less, low molecular weight resin emulsions, epoxy ester emulsions, water emulsified alkyds, and cationic, anionic and non-ionic asphalt emulsions and, as the second component, the non-gel reaction product of (I) urea-formaldehyde ether monomer, urea-formaldehyde phenol monomer, urea-nonylphenol formaldehyde monomer, thiourea-formaldehyde ether monomer, melamine formaldehyde ether monomer hexamethoxymethyl melamine, with (II) a polyamine chosen from a group consisting of primary and secondary amines and/or a monoamine, combined with (III) a hydroxide or oxide of calcium, strontium or barium.

Abstract: The construction costs of a process for preparing epoxy compounds from aromatic compounds containing an active hydrogen atom reactive with an epihalohydrin by reacting such compounds with an epihalohydrin in the presence of an alkali metal hydroxide while controlling the water content in the reaction mixture and subsequently removing the alkali metal halide salt from the reaction mixture is made less costly by employing a water extraction means to remove the alkali metal halide salts from the reaction product mixture containing the epoxy product.

Abstract: Epoxy resins having low melt viscosities and high softening points are prepared by partially reacting the epoxy resin with a monoimide. These modified epoxy resins are useful as binders in preparing high flow-out, non-sintering powder paints, particularly in epoxy resin/polyester hybrid coatings.

Abstract: Co-advanced epoxy resins prepared by the reaction of polyethers of polyhydric phenols, diglycidyl ethers of di-secondary alcohols and dihydric phenols, said co-advanced resins being heat curable with suitable curing agents to afford cured coating compositions exhibiting a variety of excellent physical properties and performance characteristics.The diglycidyl ethers have the following formula: ##STR1## as defined in the specification.

Abstract: Aminoplast compositions are cured using a sulfur and phosphorus containing catalyst.

Abstract: Sulfonic acids blocked by reaction with glycidamides. The blocked acids are used as catalysts for resin curing systems and provide viscosity stability and pot life without significant decrease in catalytic activity in comparison with the corresponding free sulfonic acids.

Abstract: A new segmented polymer comprising alternately cross-linked multiblocks of duroplast type and linear multiblocks of thermoplast type and a method of producing these new segmented polymers. The polymers have the structure of a multiblock A-B copolymer, where A denotes a spatially cross-linked oligomeric block and B denotes an oligomeric block of thermoplast type. The method according to the invention consists in that a linear reactive trifunctional A oligomer having two reactive terminal groups and at least one reactive internal group is polyreacted with a reactive bifunctional B oligomer having two reactive terminal groups. The linear multiblock A-B prepolymer, having in A blocks at least one unutilized reactive group, is subject to cross-linking. The A oligomer is selected from the group of non-saturated oligoesters, oligoepoxides, phenol-formaldehyde resins and reactive amino resins.

Abstract: An aqueous, resinous solution of a curable, polymeric reaction product, the cured polymeric flame resistant coating and methods for producing them are provided. The solution is formed by direct reaction or prepolymer reaction and chain extension reaction of a methylol and/or hydroxyl-containing quaternary phosphonium compound, divalent nitrogen-containing compound and a heteroatom-containing compound. A nitrogen-containing compound has at least 2 active hydrogen and/or methylol radicals. The direct or prepolymer reaction has present a tertiary amine.

Abstract: This invention is directed to adducts of a poly(active hydrogen) organic compound and a polyepoxide comprising the reaction product of a poly(active hydrogen) organic compound and a polyepoxide containing two or more epoxy groups per molecule, said poly(active hydrogen) organic compound being employed in an amount at least sufficient to effect substantially complete reaction of the epoxy groups of the polyepoxide. The adducts are useful in the formulation of high solids coating compositions, polyurethane elastomers, inks, sealants, adhesives and the like.

Abstract: There is provided a novel product having the formula: ##STR1## where "polymer" is an amine functional polymer, such as amine terminated polyethylene imine, amine terminated polyalkylene glycols, amine terminated anilineformaldehyde, amine terminated nylons, amine functional silicones; R.sup.1, R.sup.2, and R.sup.3 are C.sub.1 -C.sub.8 monovalent hydrocarbyl radicals, m is 1 to 3 and n is 1 to 10.

Abstract: Polyurethane dispersions based on reaction products from (A) bismethylolated urethanes having at least 2 urethane groups and (B) polyhydroxyl compounds which contain groups which are capable of ion formation, these groups being present in neutralized form, and a process for the preparation thereof. The use of the dispersions for the surface-coating of metal, plastics, glass, leather and paper.

Abstract: Phenolic resins obtained by condensation from alkylphenol, aldehyde, polyamine and polyether in a molar ratio of 1:0.7 to 1.3:0.005 to 0.2:0.001 to 0.3 are suitable as tackifiers for rubber mixtures.

Abstract: Advanced epoxy resins prepared by the reaction of diglycidyl ethers of di-secondary alcohols and dihydric phenols, said advanced resins being heat curable with suitable curing agents to afford cured coating compositions exhibiting a variety of excellent physical properties and performance characteristics.

Abstract: A method for curing an aromatic polythioether sulfone, which comprises mixing an aromatic polythioether sulfone polymer with a member selected from the group consisting of (a) a compound having at least two epoxy, isocyanate or maleimide groups per molecule, (b) an aminoplast resin, (c) a metal chelate compound of acetylacetone, and (d) a halide of a metal belonging to Group VIII or IB of the Periodic Table, followed by heat treatment.

Abstract: Titled materials and their preparation. The materials contain a moiety such as, for example, 4-oxy-3,5-dimethyl-2,6-dibromobenzyl which can impart a high degree of thermal and hydrolytic stability to the materials, for example, epoxy thermosets such as in electronic encapsulations. For example, when used in electronic encapsulation formulations, these materials can provide a substantial increase in electronic device reliability. Their preparation involves an alkylation of an aromatic ring, for example, such as a Friedel-Crafts alkylation with 4-bromomethyl-3,5-dibromo-2,6-dimethylphenol or with 4-hydroxymethyl-3,5-dibromo-2,6-dimethylphenol.

Abstract: A heat curable aqueous emulsion coating composition is disclosed which is adapted to deposit a release coating which stratifies to allow less silicone to effectively coat a given surface area. This emulsion comprises water containing: (1) a fatty acid or fatty alcohol-containing hydroxy-functional polyester having a hydroxy value of at least about 40 and which is a free flowing liquid at room temperature; (2) a cross-linking agent for said hydroxy resin; and (3) at least one silicone reactive with said hydroxy-functional resin and/or said cross-linking agent to provide a release function. The hydroxy-functional polyester and the cross-linking agent serve to emulsify the silicones in the aqueous phase of the emulsion.

Abstract: Concentrated aqueous solutions of sulfo-containing melamine-formaldehyde condensates containing hydantoin derivatives to prolong their shelf life.These melamine-formaldehyde condensates are predominantly used as additives in inorganic binders to improve their flow and strength properties.

Abstract: Compounds of formula I or II ##STR1## in which n is 1 or 2, R.sup.1 is phenyl, substituted phenyl, alkyl, substituted alkyl, hydrogen, --OH or amino, R.sup.2 is hydrogen, R.sup.3 is hydrogen, alkyl, substituted alkyl, phenyl or substituted phenyl, R.sup.4 is alkyl, phenyl, substituted phenyl, alkylene or arylene, X is --O--, --S--, --CH.sub.2 -- and Y is a direct bond or --CH.sub.2 -- are latent hardening catalysts for acid curable resins. The catalysts are activated by heat and are used in heat-hardening high-solids industrial varnishes and for coil-coatings, can and wood varnishes.

Abstract: A polyfunctional reaction product having functional phenolic OH groups is made available by reacting a phenol and an alkoxylated amino-aldehyde condensation product in the presence of a solvent and of an acid catalyst. This method makes it possible to prepare a polyfunctional phenolic reaction product which is soluble in organic solvents at a low ratio of phenolic OH groups to alkoxy groups without gelling. The reaction product is particularly useful as a curing agent for epoxy resins.

Abstract: A new class of epoxy curing agents has been discovered that utilizes the monomer of (a) urea-formaldehyde, (b) phenol modified urea-formaldehyde, or (c) thiourea-formaldehyde as the center of a polyamine molecule. The ether monomers are reacted with conventional aliphatic, cycloaliphatic, and aromatic polyamines to split off alcohol and water-yielding urea-formaldehyde etc., polyamine epoxy curing agents.

Abstract: Method of making environmentally stable conductive organic polymers synthesized from carbazole or N-substituted carbazoles and benzaldehyde or substituted benzaldehydes doped with charge transfer acceptors is disclosed.

Abstract: Environmentally stable conductive organic polymers synthesized from carbazole or N-substituted carbazoles and benzaldehyde or substituted benzaldehydes doped with charge transfer acceptors are disclosed.

Abstract: A process for the preparation of curable etherified aminoplast resins based on urea/aldehyde polycondensates, and the preparation of surface coating resins.Urea is first reacted with an .alpha.,.alpha.-dialkylaldehyde, as much as 50 mol % of which may be replaced by formaldehyde, in a molar ratio urea/aldehyde of about 1:2, at from 50.degree. to 120.degree. C., in the presence of an acid and in the presence or absence of an alcohol or of other organic solvents, and the 2-oxohexahydropyrimidine derivative obtained in this cyclocondensation is then condensed with formaldehyde in the presence of one or more alcohols and an acid.These aminoplast resins are useful as both acid-curable resins and as resins for baking finishes.