Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate.The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.

Abstract: A process is provided for applying a coating to a substrate by bringing the substrate into contact with a liquid aqueous coating composition comprising a solid powdered epoxy group-containing compound having a number average molecular weight of at least 1,000, an epoxy equivalent weight of 450-7,500 and an average particle size of 0.5-35 .mu.m, dispersed in an aqueous medium containing an ionized polyamino compound having primary or secondary groups, the ratio of the number of reactive groups of the polyamino compound to the number of epoxy groups of the epoxy compound being at least 0.4. The coating composition is applied to the substrate at a temperature of 5.degree.-65.degree. C. and the resulting coating layer is cured at a temperature of 70.degree.-220.degree. C. This invention also relates to the liquid aqueous coating composition to be used in said process.

Abstract: Heat-curable surface-coating agents which, for example in their protonated form, can be used in cathodic electrocoating contain, as a binder, a mixture of (A) a polyadduct, polycondensate or other polymer which has an average molecular weight M.sub.n of from 500 to 10,000 and, per molecule, on average two or more OH and/or NH groups and (B) a reaction product of a polyisocyanate and an olefinically unsaturated amine which carries a secondary amino group and a methacrylamide or methacrylate group.

Abstract: Hardener components which crosslink through transesterification comprising (A) a KNOEVENAGEL reaction product of a carbonyl compound and a compound such as the diester of malonic acid reacted in a MICHAEL-addition reaction with (B) a substituted oxazolidine carrying a secondary amino group, and where the reaction product of (A) and (B) is thereafter reacted through the methylene groups with (C) a polyisocyanate is described. The hardener components are particularly suitable for use in water-dilutable cationic paint binders.

Abstract: Heat-curable surface-coating agents useful in organically dissolved baking finishes, for powder coating and for cathodic electrocoating contain, as a binder, a mixture of a polyadduct, polycondensate or other polymer which has an average molecular weight M.sub.n of from 500 to 10,000 and, per molecule, on average two or more OH and/or NH groups, and a reaction product of a polyamine which contains on average two or more primary amino groups per molecule and a cyclic carbonic acid ester of the formula (I) ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each are hydrogen, methyl or ethyl.

Abstract: Process for producing storable concentrates for producing paints containing water, undissolved, finely divided, as well as dissolved synthetic resins as paint binders, pigments, optionally paint additives and organic solvents by wet grinding in several stages, wherein(a) in a first grinding stage the undissolved synthetic resins, whereof at least 80% by weight are present with a particle size between 500 .mu.m and 20 mm, mixed with water, the solids content representing 30 to 70% by weight, based on the total mixture quantity, as well as 0 to 60% by weight of dissolved ionic synthetic resins (solids) are ground to a particle size of less than 200 .mu.m and preferably less than 100 .mu.m, and(b) 40 to 100% by weight of the dissolved ionic synthetic resins (solids) and pigments are added and the mixture is ground in a second grinding stage until 95% of all the particles have a particle size of less than 15 .mu.m.

Abstract: The present invention relates to surface coating binders which are self-crosslinking when heated and are based on resin-like polyadducts, polycondensates or polymers. These binders have a mean molecular weight M.sub.n of from 500 to 10,000 and contain, on average per molecule, at least two groups of the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are each hydrogen or a methyl or ethyl radical, and additionally contain hydroxyl and/or primary and/or secondary amino groups and may or may not contain tertiary amino groups.They can be prepared by reacting appropriate resins containing primary amino groups with cyclic carbonates, and can be used, in solution in an organic solvent, as baking finishes, as well as for the preparation of cathodic electrocoating finishes.

Abstract: Binders useful for cathodic electrocoating are water-dilutable on addition of acid and comprise a mixture of(A) a polyadduct which carries basic nitrogen groups and contains groups of the formula (I) and/or (II) ##STR1## where R.sup.1 and R.sup.2 are hydrogen or methyl and R.sup.3 and R.sup.4 are alkyl or hydroxyalkyl or together are a 5- or 6-membered ring, and(B) a reaction product of a polyisocyanate and an olefinically unsaturated amine which carries a secondary amino group and a methacrylamide or methacrylate group.

Abstract: Adducts of imidazolidine compounds, such as the reaction product of ethylene diamine with cyclohexanone, are provided with organic polyepoxides, especially with low molecular weight polyepoxides where the imidazolidine acts as a chain extender, and the adduct is reacted with an acid to protonate at least 50% of the amine groups in the adduct. These protonated adducts can be dispersed in water to form dispersion which cure with various curing agents. Aqueous electrocoating baths can be provided which electrodeposit at the cathode.

Abstract: Disclosed is an electrodepositable emulsion which comprises a soluble un-ionized polymer containing an amic acid or amide linking group, a non-electrolyzable organic solvent for the polymer and a non-electrolyzable organic non-solvent for the polymer. The weight ratio of the solvent to the non-solvent is about 0.1 to about 0.5 and the polymer is about 0.4 to about 5% by weight of the weight of the solvent. No amine or surface active agent is used. A workpiece is coated with the polymer by placing it into the emulsion about one-half to about two inches away from the cathode. Constant dc voltage is applied between the cathode and the workpiece until a coating of a desired thickness has been deposited on the workpiece. The workpiece is then removed, dried, and cured.

Abstract: A composition for electrodeposition of an insulating mica coating onto a conducting substrate is disclosed. The composition consists essentially of mica, a water soluble anionic resin binder, an electrolyte and a polar solvent.

Abstract: Epoxy-free hydroxy functional polyethers are provided which are the reaction product of a diglycidyl ether of a bisphenol having a molecular weight of about 1000 with a stoichiometric proportion of oleyl alcohol. These oleyl alcohol-based polyethers can be copolymerized in organic solvent solution with monoethylenically unsaturated monomers to form solvent-soluble copolymers. When the monomers include carboxyl-functional monomers providing an acid number in the range of 12-60, the copolymers are particularly adapted to be dispersed in water with the aid of a base and then electrodeposited at the anode together with a heat-hardening formaldehyde condensate to form corrosion resistant coatings.

Abstract: A process for producing improved crosslinking components for paint binders which can be crosslinked through transesterification is described. The process is characterized in that an ester of malonic or cyano-acetic acid or aceto-acetic acid is reacted in a KNOEVENAGEL-reaction with a carbonyl compound, preferably with formaldehyde, and the reaction products are polymerized, optionally utilizing free-radical initiators, to provide a polymer having a molecular weight of between about 300 and 6000. The crosslinking components prepared according to the invention provide an unsaponifiable base structure and permit the preparation of products with high functionality. The crosslinking components are preferably utilized in binder systems for cathodically depositable paints.

Abstract: A cationic electrodeposition composition comprising the reaction product of one or more base alkyds, containing unsaturation of the fatty acid chains to provide oxidative curing and one or more ethylenically unsaturated monomers, and one or more amine functional monomers, which are added to the base alkyd and polymerized. This composition provides a vehicle which is hydrolytically stable. Paints are prepared by the addition of conventional driers, pigments and solvents to the vehicle composition.

Abstract: Aminoplast curable cationic coating compositions are disclosed. The coating compositions contain an onium salt group-containing polymer and an aminoplast curing agent which has at least one group of the structure: ##STR1## wherein R.sub.1 is carbon derived from an aldehyde or a ketone.

Abstract: An aqueous cationic surface-coating system contains an olefinically unsaturated surface-coating binder having basic nitrogen groups, some or all of which are converted into salts with acid, a Co, Mn, Pb, Ce, Zr, Ca, Zn, Fe, Al, Cu, Ni or Cd complex, if appropriate in combination with an inhibitor and/or an initiator which supplies free radicals.This surface-coating system can be used for cathodic electrocoating or for conventional methods of surface-coating.

Abstract: Coating compositions comprising a polymeric polyol with a polyester crosslinking agent having at least two gamma and/or delta-hydroxyester groups per molecule are disclosed. The compositions, when applied to a substrate and cured in the presence of a transesterification catalyst, give solvent-resistant coatings.

Abstract: Adducts of oxazolidine compounds, such as the reaction product of monoethanol amine with cyclohexanone, are adducted with an organic polyepoxide and the adduct is reacted with an acid to protonate at least 50% of the amine groups in the adduct. These protonated adducts can be dispersed in water to form dispersions which cure with various curing agents. When all the epoxy groups are consumed by reaction with the oxazolidine, aqueous electrocoating baths can be formulated which may contain aminoplast resin or phenoplast curing agents.

Abstract: Carboxyl-containing resinous compounds, suitable for making water-dilutable thermosetting coating compositions after at least partial neutralization with a base, are prepared by a process wherein a non-acidic hydroxyl-containing resinous intermediate prepared by reacting at a temperature in the range 120.degree. to 180.degree. C. in the presence of an esterification catalyst in one or more steps (a) a diglycidyl ether of a dihydric phenol having an epoxy molar mass not exceeding 1100 with (b) a monofunctional phenol, and (c) dimerized unsaturated fatty acids in an epoxy phenolic or acidic equivalent ratio of (a), (b) and (c) from x/2/(x-2) to (x+0.1)/2/(x-2), wherein x is at least 4 for a diglycidyl ether having an epoxy molar mass from 400 to 1100 and x is at least 6 for a diglycidyl ether having an epoxy molar mass below 400, is reacted at a temperature not higher than 150.degree. C. with a carboxylic acid anhydride in an amount to produce a half-ester having an acid value in the range 15 to 80 mg KOH/g.

Abstract: Disclosed is a method of making a non-aqueous emulsion from which a polymer can be electrodeposited. A mixture is prepared of about 50 to about 150 parts by weight of a non-aqueous organic, non-electrolizable, non-solvent for the polymer with about 0.8 to about 1.2 parts by weight of a nitrogen-containing base which can be a tertiary amine, an imidazole, or mixture of a tertiary amine and an imidazole. To the mixture is added a solution of 1 part by weight of the polymer which can be a polyamic acid, a polyamide imide, a polyimide, a polyparabanic acid, a polysulfone, or a mixture of these polymers. The polymer is in a non-aqueous, organic, non-electrolizable aprotic solvent such as N-methyl-2-pyrrolidone.

Abstract: An improved process for the preparation of cationic resins derived from polyepoxides is disclosed. Typically, the process comprises contacting the polyepoxide with particular polyether polyols and heating the two together to form a resin which may then be reacted with a cationic base group former such as an amine and acid. Aqueous dispersions of the cationic resins prepared by the improved process are useful for coating applications, particularly cationic electrodeposition. They exhibit good low temperature cure response and the cured coatings have good physical properties such as resistance to water, detergent and salt spray corrosion.

Abstract: A cathode-depositing electrocoating composition which comprises as a film-forming component a carbon-to-carbon double bond containing resin having a principal chain of acetylene-conjugated diene random copolymer and a basic group, combined to the principal chain in a ratio of from 0.02 to 0.8 mol per 100 g of said resin and capable of forming in an aqueous medium a group of the formula: ##STR1## wherein R.sub.1 and R.sub.2, which are the same or different, are each a hydrogen atom, a halogen atom or a hydrocarbon residue having 1 to 6 carbon atoms, R.sub.3 and R.sub.4 which are the same or different, are each a hydrogen atom or an organic residue having 1 to 10 carbon atoms or are combined to form together with the intermediary nitrogen atom a cyclic group having 1 to 7 carbon atoms, and X is a hydrogen atom or a bond, and when X is a bond, both the carbon atoms carrying R.sub.1 and R.sub.

Abstract: Paint coating material capable of cathodic deposition based on a vehicle mixture that has been made water-thinnable with acid and optionally customary additives, wherein said vehicle contains in combination(A) from 50 to 90% by weight of a polymer and/or polycondensate containing tertiary amino-groups and OH groups and having amine and hydroxy numbers of from 30 to 170 and 30 to 300 respectively;(B) from 5 to 40% by weight of a fully blocked polyisocyanate which is stable in the aqueous phase and becomes reactive again under the influence of heat, after dissociation of the blocking group; and(C) from 0 to 30% by weight of polymer and/or polycondensate containing primary and/or secondary OH- and/or amino-groups.

Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate.The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.

Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate.The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.

Abstract: The invention relates to thermosetting, cathodically depositable, aqueous electrocoating compositions which are produced by reacting a nitrogen base-containing binder, which contains tertiary amino groups and primary and/or secondary OH groups, with metal compounds, which are sparingly soluble or insoluble in water, of cobalt, copper, lead, nickel and/or manganese at temperatures between 100.degree. C. and 150.degree. C. under an inert gas. The resultant products are subsequently protonated with an acid and diluted with water in a manner known per se to yield electrocoating paints having a solids content of from 5 to 25% and pH values of 5 to 8. Octoates, naphthenates, borates, and also acetyl acetonates are preferred to be used as the metal compounds which are sparingly soluble or insoluble in water.

Abstract: An aqueous coating composition comprising from 45 to 98 parts by weight (solids) of aqueous resin(s) and from 2 to 55 parts by weight (solids) of finely divided water-insoluble resin(s), in which at least a part of said aqueous resin is selected from special type of cationic resins. The resins may have mutually reactive functional groups.

Abstract: Waterdispersible cationic resins are formed by reacting the components comprising at least(A) an epoxidized polydiene,(B) a bisglycidylether of a polyphenol,(C) an amide compound, which is formed by one or more higher, substantially multiply unsaturated fatty acids and a polyamine and which may comprise a ketimine group or a hydroxy group, and possibly(D) an organic secondary amine and/or(E) a partially and/or fully masked polyisocyanate, which product comprises excess epoxide groups and carbon-carbon double bonds and which resins can be made waterdispersible with an acid under formation of cationic groups. A composite is provided comprising the cationic resin superposed on a conducting substrate and a method is described for forming the composite.

Abstract: The invention relates to a cathodically depositable aqueous electro-dip lacquer coating composition containing as synthetic resin binder(A) from 50 to 99% by weight, based on the total quantity of synthetic resin binder, of one or more amino-1,2-epoxy resins, the amino-1,2-epoxy resin or--where several amino-1,2-epoxy resins are present--the mixture of amino-1,2-epoxy resins(a) having an average molecular weight (Mn) of from 700 to 10,000,(b) containing per 1000 molecular weight units from 0.2 to 3.6 lateral or terminal ethylenic double bonds corresponding to a hydrogenation iodine number of from 5 to 90,(c) containing primary and/or secondary alcoholic hydroxyl groups corresponding to a hydroxyl number of from 30 to 450 and(d) having an amine number of from 30 to 150,(B) from 1 to 50% by weight of a substantially non-acid polyester of a polycarboxylic acid containing at least two terminal or lateral, saturated and/or unsaturated .beta.

Abstract: A monosecondary amine containing blocked primary amine groups is provided by reacting a monosecondary amine containing at least one primary amine group (such as diethylene triamine) with a ketone which is hindered to prevent reaction with secondary amino hydrogen atom (such as methyl isobutyl ketone) while removing water. This product disperses in water with the aid of a solubilizing acid to provide a solution which will emulsify a liquid polymer dispersed therein. The water hydrolyzes the blocked primary amine groups to restore reactivity. This product can also be reacted with 1,2-oxirane or isocyanate-functional polymers to provide products which are dispersible in water with a solubilizing acid. These dispersions will electrodeposit at the cathode.

Abstract: The present invention is directed to thermosetting binder compositions for coating, comprising:(I)(1) a non-acidic resinous compound, saturated, molecular weight at least 900, alcoholic hydroxyl content at least 0.2 eq/100 g;(2) a cross-linking agent comprising a nonacidic polyester of a polycarboxylic acid, having more than one beta-hydroxyl ester group per molecule, at least one of components (1) and (2) having an alcoholic hydroxyl functionality of more than 2, and(II) a curing catalyst comprising a transesterification-promoting metal compound which is insoluble in liquid hydrocarbons.These compositions can be used in solvent-based lacquers and paints, in coating powders, aqueous powder suspensions, in aqueous coating compositions for cathodic electrodeposition; for aqueous compositions component (1) (1) is preferably an epoxy resin/amine adduct.

Abstract: Disclosed is a method of making a non-aqueous emulsion from which a polymer can be electrodeposited. A mixture is prepared of about 50 to about 150 parts by weight of a non-aqueous organic, non-electrolizable, non-solvent for the polymer with about 0.8 to about 1.2 parts by weight of a nitrogen-containing base which can be a tertiary amine, an imidazole, or mixture of a tertiary amine and an imidazole. To the mixture is added a solution of 1 part by weight of the polymer which can be a polyamic acid, a polyamide imide, a polyimide, a polyparabanic acid, a polysulfone, or a mixture of these polymers. The polymer is in a non-aqueous, organic, non-electrolizable aprotic solvent such as N-methyl-2-pyrrolidone.

Abstract: Ungelled resins, aqueous dispersions of cationic resins, coating compositions, and electrodeposition using the resinous coating compositions are disclosed. The resins are formed from reacting polyepoxides with polyoxyalkylenepolyamines. The aqueous dispersions are prepared by at least partially neutralizing the resins to provide cationic groups and dispersing the cationic resins in aqueous medium. When added to cationic electrodepositable coating compositions, such as high throwpower compositions, the ungelled cationic resins provide better appearing, more flexible and water-resistant electrodeposited coatings.

Abstract: Coating compositions comprising a polymeric polyol with a polyester crosslinking agent having at least two beta-alkoxyester groups per molecule are disclosed. The compositions, when applied to a substrate and cured in the presence of a transesterification catalyst, give solvent-resistant coatings.

Abstract: Coating compositions comprising a polymeric polyol with a polyester crosslinking agent having at least two beta-amido ester groups per molecule are disclosed. The compositions, when applied to a substrate and cured in the presence of a transesterification catalyst, give solvent-resistant coatings.

Abstract: Coating compositions comprising a polymeric polyol with a polyester crosslinking agent having at least two beta- and/or gamma-ester ester groups per molecule are disclosed. The compositions, when applied to a substrate and cured in the presence of a transesterification catalyst, give solvent-resistant coatings.

Abstract: Ungelled resins, aqueous dispersions of cationic resins, coating compositions, and electrodeposition using the resinous coating compositions are disclosed. The resins are formed from reacting polyepoxides with polyoxyalkylenepolyamines. The aqueous dispersions are prepared by at least partially neutralizing the resins to provide cationic groups and dispersing the cationic resins in aqueous medium. When added to cationic electrode-positable coating compositions, such as high throwpower compositions, the ungelled cationic resins provide better appearing, more flexible and water-resistant electrodeposited coatings.

Abstract: An improved process for the preparation of cationic resins derived from polyepoxides is disclosed. Typically, the process comprises contacting the polyepoxide with particular polyether polyols and heating the two together to form a resin which may then be reacted with a cationic base group former such as an amine and acid. Aqueous dispersions of the cationic resins prepared by the improved process are useful for coating applications, particularly cationic electrodeposition. They exhibit good low temperature cure response and the cured coatings have good physical properties such as resistance to water, detergent and salt spray corrosion.

Abstract: The present invention discloses cataphoretic electrodeposition of metal articles wherein staining or discoloration particularly of light colors is prevented or reduced. The electrodepositable compositions of this invention comprise aqueous cationic paint dispersions blended with polyacids; the polyacids are introduced into electrodeposition baths by the addition of the acids thereto.

Abstract: The present invention relates to N-methylol amide-containing resinous compositions and the methods of preparing them. Aqueous dispersions of the instant resinous composition containing N-methylol amides in amounts sufficient to impart self-curing at comparatively low temperatures are disclosed. The aqueous dispersions of the instant resinous compositions are useful as coating compositions; they are particularly suited to electrodeposition.

Abstract: Cathodically depositable, aqueous coating compositions comprising the reaction product of (A) polycondensates having free hydroxyl groups with a hydroxyl number of at least 40 mg KOH/g, and an average maximum molecular weight of 5000; and (B) a compound having an average of from about 0.8 to 1.5 free isocyanate groups and at least one basic aliphatically bound nitrogen atom. Optionally, there can be included in the reaction product a compound having from about 0.8 to 1.5 free isocyanate groups and from 1 to 3 ethylenically unsaturated double bonds. The coating compositions cure at relatively low temperatures and relatively short curing times to provide films having excellent resistance to water, chemicals, and corrosion.

Abstract: Polyester latex compositions comprising an aqueous continuous phase having dispersed therein loadable hydrophobic polyester particles are disclosed. In the latex(a) substantially all of the polyester particles are less than about 0.2 micron in diameter;(b) the polyester contains from about 0.5 to 5.0 mole percent dicarboxylic acid derived repeating units having a component selected from the group of salts consisting of alkali metal or ammonium iminodisulfonyl and alkali metal or ammonium sulfonate.The latex contains from 0 to 3% surfactant based on the total weight of the polyester.The polyester is optionally loaded with a hydrophobe. Coated layers of the composition are water resistant.

Abstract: Heat curable, cathodically depositable, aqueous coating compositions comprising an aqueous emulsion of 98 to 50 percent by weight, preferably 95 to 70 percent by weight, of one or more self-crosslinking cationic binders based on modified epoxy compounds, water-soluble upon partial or total neutralization with an inorganic or organic acid, and 2 to 50 percent by weight, preferably 5 to 30 percent by weight, of a di- and/or triurethane having the formula - ##STR1## wherein R represents an aromatic, cycloaliphatic, or aliphatic hydrocarbon radical; R.sub.1 stands for a hydroxyethyl(meth)acrylate or a hydroxypropyl(meth)acrylate radical; R.sub.2 is the radical of a saturated and/or unsaturated aliphatic monoalcohol with at least 6 carbon atoms and/or an alkyl or alkylene radical with at least 6 carbon atoms, and n is an integer of 1 or 2.

Abstract: Aqueous dispersions of fluorocarbon polymers in combination with the water-borne reaction product of (a) carboxyl-functional polymers, (b) polyepoxides and (c) tertiary amines are provided. Such dispersions can be applied to a variety of substrates by either conventional coating techniques or electrodeposition, and provide coatings that exhibit excellent release properties and high lubricity.

Abstract: An emulsion is prepared which comprises about 8 to about 20 percent of a solvent, about 0.5 to 5 percent of an epoxy resin dissolved in the solvent to form a discontinuous phase, about 75 to about 90 percent of a precipitant as the continuous phase, and an emulsifier in an amount sufficient to react stoichiometrically with the epoxy and hydroxyl groups on the epoxy resin up to about 900% in excess of stoichiometric. A conductive workpiece is placed in the emulsion about 1/2 to about 2 inches from an electrode which is also immersed in the emulsion. A direct electric current potential is applied between the workpiece and the electrode with the workpiece as the anode. About 50 to about 400 volts and about 2 to about 50 milliamperes are used until a coating of the desired thickness has been deposited on the workpiece. The solvent and precipitant are preferably ketones such as cyclohexanone, and methylethylketone or isobutylketone, respectively.

Abstract: Cathodically depositable, aqueous coating compositions comprising the reaction product of (A) diene polymers containing free hydroxyl groups with a hydroxyl number of at least 40 mg KOH/g and an average maximum molecular weight of 4000; and (B) a compound having an average of from about 0.8 to 1.5 free isocyanate groups and at least one basic aliphatically bound nitrogen atom. Optionally, there can be included in the reaction product a compound having from about 0.8 to 1.5 free isocyanate groups and from 1 to 3 ethylenically unsaturated double bonds. The coating compositions cure at relatively low temperatures and relatively short curing times to provide films having excellent resistance to water, chemicals, and corrosion.

Abstract: Pigment pastes, comprising water, an organic solvent, a copolymer of one or more water-immiscible, or only partially water-miscible, copolymerizable .alpha.,.beta.-olefinically unsaturated compounds and one or more water-soluble copolymerizable N-vinyl compounds, and a finely divided pigment and/or filler dispersed in the mixture of water, solvent and copolymer, are used for pigmenting aqueous solutions or dispersions of surface-coating binders, as toner pastes for water-based finishes, and for pigmenting and toning anodic or cathodic electrocoating finishes.

Abstract: The invention provides nitrogen-containing basic binders having tertiary amino groups. They are produced from compounds or resins having at least one secondary amino group through reaction with a compound which contains both an epoxy group and an olefinic double bond, followed by copolymerization of the reaction product with a polymerizable monomer having an ethylenic double bond. The binders have amine numbers of about 40 to 400. They can be diluted with water after partial neutralization by acid. They are electrically depositable on the cathode and can be heat hardened alone or in combination with amino resins and/or phenolic resins. They can be used as internal and/or external cross-linking components in cathodic electrocoating paints.

Abstract: A process of preparing aqueous dispersions of multi-component film-forming polymer particles, suitable for use in a cathodic electrodeposition process. The disperse particles, which may be thermoplastic or thermosetting, are derived from mixtures of pre-formed polymer and addition polymer formed in situ. The process is carried out at a pH below 10 and in the presence of a selected cationic surface active agent which stabilizes the dispersion below pH 10 but renders it unstable at a pH of 10-11.

Abstract: Described herein is an organic coating composition particularly useful in cathodic electrodeposition comprising a dispersion, solution or suspension of a coating composition characterized by (a) a reaction product of a conjugated fatty acid ester and an acrylic containing monomer, preferably containing oxirane rings; and (b) Formula A within the molecule, being the reaction product of reacting an oxirane ring and an amine; wherein Formula A is:--CH.sub.2 --C(Z)--CH.sub.2 --N.dbd.wherein Z is hydrogen, hydroxyl, alkoxy of 1 to 6 carbon atoms; acyloxy of from 1 to 6 carbon atoms; (.dbd.O, as in a ketone),--OR'].sub.n H; --OR'].sub.n OH, and --OR'(CH.sub.2 OH)].sub.n OH,wherein R' is a saturated alkylene group of from 2 to 4 carbon atoms and n is a number from 1 to 6.Also described is a method of electrodepositing coating compositions containing said adducts onto a cathode.