Abstract: A stable waterborne high solids metallic flake pigment dispersion containing an aqueous carrier, film forming binder and metallic flake pigment and having a solids content of about 40-90% by weight; wherein the film forming polymer is a phosphated acrylic polymer neutralized with ammonia or a primary, secondary or tertiary amine and contains metallic flake pigments in a pigment to binder weight ratio of about 30/100-1000/100 and is non-reactive with the binder and the dispersion has a pH of about 7-9.

Abstract: Disclosed herein are cathodic electrocoat compositions which contain electroconductive pigments. These pigments are light in color, and can be added at higher pigment to binder ratios for improved edge coverage. More specifically, the electroconductive pigments are a two-dimensional network of antimony-containing tin oxide crystallites which exist in a unique association with amorphous silica or with a silica-containing material.

Abstract: An improved process for forming a multilayer finish on a substrate by applying a layer of a waterborne basecoating composition to the substrate, at least partially drying the coating, applying a layer of a solvent based high solids clear coating to the basecoating and curing the coatings; the improvement that is used therewith is as follows:A. a waterborne basecoating composition that has a film forming binder of an acrylic polymer neutralized with ammonia, a primary amine or a secondary amine without the presence of a tertiary amine a water dispersible or water dilutable alkylated melamine formaldehyde resin and the composition contains pigments in a pigment to binder weight ratio of about 0.5/100 to 200/100;B. a high solids solvent based clear coating composition having a film forming binder of an acrylic polymer, a polyester or a polyesterurethane and an alkylated melamine formaldehyde crosslinking agent and about 0.

Abstract: An improved electrodepositable cationic resin is disclosed. Prior art electrodepositable cationic resins are formed from polyepoxides which are chain extended with polyether or polyester polyols to internally flexibilize the resin. Our polyepoxide resin is chain extended with amide diol which gives a resin which is hydrolytically stable and does not tend to absorb moisture.

Abstract: An electrical device for measuring the dry film thickness of a paint film applied to a conductive coating adhered to a plastic substrate without destroying the film; the device contains the followintg components: a. an electric sensing device of two separate electrodes isolated from each other and positioned in a material capable of conforming to the surface of the film being measured where the sensing device is placed in contact with the surface of the film and measured under a uniform and reproducible pressure; b. a gain and phase measuring device electrically connected to the sensing device for measuring the gain and phase of an alternating current electrical signal passed from one electrode through the film and conductive coating to the second electrode; c.

Abstract: Disclosed herein is a method of incorporating amine functionality onto a polyepoxy resin to be used for cathodic electrocoat. This method has the following steps:a) reacting an epoxy resin with an amount of secondary amine so that unreacted epoxy functional groups remain; andb) further reacting the reaction product of a) with a polyamine so that there is a minimum of one equivalent of epoxy for every mole of polyamine. This method results in an electrocoat bath with the desired high pH and a stable dispersion.

Abstract: A low cure cathodic electrodepositable resin is disclosed. The backbone of the resin is a polyepoxide amine adduct having primary or secondary hydroxyl groups which is crosslinked with aminoplast resins and catalyzed by metal catalysts. The resin is capable of curing in a basic environment at a temperature below 150.degree. C. The resin can be salted with an acid and can be dissolved or dispersed in water. The aqueous dispersions can then be formulated into electrocoat primer coatings for metal objects.

Abstract: A conductive coating composition containing solvents and 40-75% by weight of film forming binder and pigment in a pigment to binder weight ratio of about 1:100 to 100:100; wherein the binder contains(A) a hydroxy contain polyester resin and(B) an aminoplast crosslinking agent; wherein the electrically conductive pigment is a silica which is either amorphous silica or a silica containing material, the silica is in association with a two-dimensional network of antimony-containing tin oxide crystallites in which the antimony content ranges from about 1-30% by weight of the tin oxide and the composition forms a coating on a substrate that has a surface conductivity of at least 100 Randsburg units. The coating can be used on metal or plastic substrates.

Abstract: A high solids coating composition useful as a clear coat for an automotive clear coat/color coat finish which contains about 40-80% by weight of a binder and correspondingly about 20-60% by of a liquid organic carrier; wherein the binder contains about:a. an acrylic solution polymer of polymerized monomers of ethylenically unsaturated esters of acrylic acid or methacrylic acid and a hydroxy alkyl acrylate or methacrylate and the polymer has a hydroxyl no. of about 50-200 and a weight average molecular weight of about 4,000-20,000;b. a dispersed polymer of polymerized monomers having stabilizer resin segment that is soluble in the organic carrier and dispersed resin segment that is relatively insoluble in the organic carrier;c. a siloxane oligomer having --OH and --OR groups attached to the silane atoms of the oligomer where R is an alkyl group having 1-6 carbon atoms in the alkyl group or an aryl group and the oligomer has a weight average molecular weight of about 500-5,000; andd.

Abstract: An improved aqueous electrocoating composition that contains a reactive additive of the following formula ##STR1## wherein R is an aliphatic hydrocarbon group; finishes formed from the composition have improved cure and chip resistance.

Abstract: A coating composition which cures at ambient temperatures and contains 20-80% by weight of a binder and 80-20% by weight of a solvent for the binder, wherein the binder contains about:A. an acrylic polymer A of polymerized monomers of methyl methacrylate and monomers of styrene, alkyl methacrylate and/or alkyl acrylate each having 2-12 carbon atoms in the alkyl group and said polymer having pending from the polymer backbone aminoester groups, hydroxy aminoester groups or hydroxyamine groups,B. an acrylic crosslinking polymer B of polymerized monomers of at least 3% by weight, based on the weight of the crosslinking polymer, of a glycidyl constituent of glycidyl methacrylate or acrylate and the remainder of the monomers are alkyl methacrylate an acrylate each having 1-12 carbon atoms in the alkyl group and optionally contains at least 3% by weight, based on the weight of the crosslinking polymer, of an alkyl methacrylate or acrylate having a pendent group of the formula ##STR1## C.

Abstract: A device for measuring the thickness of a wet or dry paint film applied on a substrate without contacting the film is disclosed. The device uses an ultrasonic sensor positioned adjacent to an inductive eddy-current proximity sensor where the ultrasonic sensor measures the distance between the device and the upper surface of the paint film and the proximity sensor measures the distance between the device and the upper surface of the substrate. The two distances measured, when compared, produce the film thickness value. The device is capable of accurately measuring thickness of various paint films, such as flat, glossy and metal-flake containing paint films.

Abstract: An improved electrodepositable cationic resin is disclosed. Prior art electrodepositable cationic resins are formed from polyepoxides which are chain extended with polyether or polyester polyols to internally flexibilize the resin. The polyepoxide resin of the invention is chain extended with a monoepoxide-triol adduct which provides a resin with improved throw power and improved flow while maintaining other important characteristics of the resin.

Abstract: An improved waterbased coating composition containing about 10-50% by weight of film forming binder and pigment in a pigment to binder weight ratio of about 1/100 to 200/100 dispersed in an aqueous carrier and having a pH of about 7-10; wherein the improvement used in the composition is a acrylourethane pigment dispersing polymer in an amount of about 0.5-10% by weight, based on the weight of the coating composition; the acrylourethane pigment dispersing polymer is composed ofhydroxyl and carboxyl functional acrylic polyol having a hydroxyl no. of about 50-170 and an acid no. of about 30-120 and chain extended with an aliphatic, cycloaliphatic or aromatic diisocyanate in the presence of a monohydric alcohol and the polymer has a weight average molecular weight of about 10,000-40,000 and the carboxyl groups are neutralized with ammonia or an amine.

Abstract: A conductive coating composition containing a binder and pigment in a pigment to binder weight ratio of about 15:100 to 100:100; wherein the binder contains(A) a multifunctional amine, a polyamide resin, polyamidoamine resin or any mixtures thereof; and(B) a multifunctional epoxy resin;wherein the electrically conductive pigment is a silica which is either amorphous silica, a silica containing material or a silica coated pigment, the silica is in association with a two-dimensional network of antimony-containing tin oxide crystallites in which the antimony content ranges from about 1-30% by weight of the tin oxide and the composition forms a coating on a substrate that has a surface conductivity of at least 100 Ransburg units. The coating can be used on metal or plastic substrates or previously coated substrates of either plastic or metal to render the substrate conductive and easily grounded for electrostatic spraying.

Abstract: A low temperature cure electrodepositable cathodic resin is disclosed. The resin is the reaction product of a polyepoxide amine adduct and a novel blocked crosslinking agent. The crosslinking agent of our invention is tetramethylxylene diisocyanate blocked with any suitable blocking agent. The resulting resin can be cured at relatively low temperatures (250.degree.-275.degree. F.), which potentially allows the use of the resin with articles containing plastics.

Abstract: Disclosed herein are electrodepositable cationic baths containing nonionic pigment dispersants. These nonionic pigment dispersants are ethoxylated styrenated phenols which allow for increased production capacity and lower VOC. The ethoxylated styrenated phenols are also used as an additive which can increase film build and improve film smoothness.

Abstract: A primer composition having a low VOC content and containing solvents, a film forming binder and pigments and the binder contains about(1) 30-65% by weight, based on the weight of the binder, of a hydroxyl containing polyester copolymer having a hydroxy number of about 100-300 and a number average molecular weight of about 300-3,000 and being the esterification product of an alkylene glycol, a branched chain polyol, a cycloaliphatic dicarboxylic acid, an aliphatic dicarboxylic acid and an aromatic dicarboxylic acid or anhydride thereof;(2) 5-20% by weight, based on the weight of the binder, of a reactive plasticizer; and(3) 30-50% by weight, based on the weight of the binder, of a monomeric fully alkylated melamine formaldehyde crosslinking agent.

Abstract: Stabilized polymer dispersions in which the principal polymer contains a core component of acrylic polymers and stabilizer components which are polymers of ethylenically unsaturated monomers and which are grafted to the core component at the stabilizer ends, can be prepared using a catalytic chain transfer agent containing Co.sup.+2.

Abstract: Polymeric products of styrene, an acrylate, acrylic or methacrylic acid and polyethylene oxide, prepared in contact with a cobalt compound, are hydrophobic and can be used as rheology control agents in printing ink.