Abstract: A thermosetting powder resin based water-slurry coating composition prepared by dispersing water insoluble thermosetting resin particles and an adduct of a structurally symmetrical diol having a molecular weight of from 90 to 300 with ethylene oxide or propylene oxide, or a mixture thereof in an aqueous medium. The composition provides improvements in the anti-sedimentation properties and redispersibility of particles, and consequently in the extended storage stability and application performance thereof. The composition is applied to form a film with excellent smoothness, gloss, water resistance, moisture resistance, corrosion resistance, etc., without developing any pinholing and cratering by solvent popping, and checking on film formation by heating.

Abstract: Preparation of heat-curable, water-dilutable coating compositions based on (A) epoxy resins free from amino groups, (B) an aqueous dispersion or solution of saturated polyester resins or the modification products thereof with oils, (C) organic cross-linking agents and optionally (D) pigments and/or conventional adjuvants, in specific proportions, these components being processed together in one or more stages, while being comminuted from their original particle size, to form a homogeneous coating composition which has a particle size of less than 100 .mu.m, and the use of the coating compositions thus obtained as coating agents, particularly for coating metal substrates, by the use of current-free methods of application or electrostatic spraying.

Abstract: A method of treating inorganic materials such as metals to ensure strong adhesion of a subsequently applied coating of another material, such as a paint, comprises the steps of applying to a surface of the material a composition containing a complexing agent comprising both a sulph-hydro and a carboxylic acid group and applying over the complexing agent a film-forming coating which also contains a complexing agent comprising both a sulph-hydro and a carboxylic acid group and/or an anti-oxidant.

Abstract: A process for coating a substrate and a coated substrate are disclosed. In a typical embodiment of the invention, a coating composition containing a capped polyisocyanate is first deposited on the substrate followed by applying, before curing the first composition, a second coating composition containing 1,2-epoxy functionality. This method of coating is referred to as wet-on-wet coating. The coated substrate is then heated in one step to cure the multilayered coating.

Abstract: A high solids polymer resin coating composition cross-linked with alkylated melamine resins possessing improved intercoat adhesion in multiple coating applications. A mixed methylated isobutylated melamine resin as a cross-linking agent for the high solids polymer resin coating composition surprisingly substantially eliminates intercoat adhesion failure without any negative effects on overall coating properties and performance. The backbone polymer of the composition may advantageously be acrylic resin, a polyester resin or mixtures thereof while the mixed methylated isobutylated melamine resin cross-linking agent is advantageously predominantly monomeric poly(methoxy isobutoxymethyl) melamine resin with an average methoxy content of 1-5 and an average isobutoxy content of 5-1, per triazine.

Abstract: In an externally heated fusing system, the improvement which comprises providing an externally heated fuser member which is made of a base, a relatively thick layer of a foam of a fluoroelastomer on the base, and a relatively thin layer of a silicone elastomer on the foam layer. The silicone elastomer layer containing an iron oxide filler therein.

Abstract: Process of producing metal-resin composite, and the composite resulting therefrom, are provided. The process comprises providing a solution or dispersion of a resin, for example, an epoxy resin, said solution or dispersion having dispersed therein at least one particulate metal compound for example, an oxide, of the Group I A and II A metals of the Periodic Table, the amount of metal compound being 1-500 parts by weight per 100 parts by weight of resin, then coating the solution or dispersion on a metal substrate and heating the coated substrate to evaporate the solvent for the resin and cure the resin. The resultant metal-resin composite is corrosion resistant, especially under acidic conditions, since the resin layer having the Group I A or II A metal compound dispersed therein serves to control the pH on the surface of the metal substrate to within the range from 4 to 12 under acidic conditions in the atmosphere surrounding the metal-resin composite.

Abstract: A method for inhibiting corrosion of a metal surface is disclosed. The method comprises contacting said metal surface with a corrosion inhibitor of the formula ##STR1## wherein R is selected from the group consisting of aliphatic radicals containing from about 6 to about 22 carbon atoms, R.sub.1 --C.sub.m H.sub.2m -- wherein R.sub.1 is alkoxy containing from 6 to 22 carbon atoms and m is an integer of from 2 to 6, and ##STR2## wherein R.sub.2 is alkyl containing from 1 to 20 carbon atoms, x is an integer of from 1 to 10 and each R.sub.3 is independently hydrogen or methyl; and R' is selected from the group consisting of hydrogen, C.sub.1 -C.sub.12 alkyl, and C.sub.1 -C.sub.12 alkoxy, at a temperature and for a period of time sufficient to inhibit corrosion of said metal surface.A method for pretreating a metal surface to improve the adhesion of paint thereto is disclosed.

Abstract: The weatherability and durability of clear coat/color coat finishes can be significantly increased by incorporating one or more ultraviolet light stabilizers into the color coat.

Abstract: A thermosetting binder composition for coating, comprising:(I)(1) A non-acidic resinous saturated compound having a molecular weight of at least 900, and an alcoholic hydroxyl content of at least 0.2 eq./100 g;(2) A non-acidic polyester of a polycarboxylic acid crosslinking agent having more than one .beta.-hydroxyl ester group per molecule, and at least one of components (1) and (2) having an alcoholic hydroxyl functionality of more than 2, and(II) A transesterification-promoting metal salt or complex curing catalyst which is soluble in liquid hydrocarbons.For aqueous compositions, component (I) (1) is preferably a neutralized epoxy resin/amine adduct and component (II) should be insoluble in water; they can be used for cathodic electrodeposition.

Abstract: The invention relates to a method of forming a metal-resin bond in the presence of environmental contamination of the metal surface by, for example, adsorbed water. The method consists of cleaning the metal surface and then coating it with a pre-treatment material adapted to displace the adsorbed contaminant and to be displaced in turn by the applied resin. The method is particularly relevant to the formation of steel/epoxy resin bonds underwater for the repair of submerged structures. The pre-treatment material may consist of a hydrocarbon solvent containing in solution a surfactant such as an ionic surfactant together with a viscous hydrocarbon such as petroleum jelly.

Abstract: A composition for preventing the adhesion of an epoxy resin which comprises a polymer of (A) at least one C.sub.4 to C.sub.21 perfluoroalkyl group-containing polymerizable compound with or without at least one compound copolymerizable therewith, the content of the component (A) being not less than 40% by weight on the weight of the polymer.

Abstract: A concrete or metal substrate which is normally subject to deterioration in the presence of corrosive substances such as strong acids, particularly sulfuric acid, is rendered corrosion resistant when covered with the improved multilayered coating of this invention. In particular, a coated article, such as a coated chimney liner or flue duct, which includes a substrate, a primer coating layer of a thermosetting polymer, one or more inner coating layers of a thermosetting polymer which includes a siliceous filler, an intermediate coating layer of a thermosetting polymer which includes a non-siliceous filler, and a fluoroelastomeric top coating layer which includes a non-siliceous filler, has improved resistance to the corrosive effects of strong acids. Chimney liners, flue ducts, scrubbers, and the like which have been coated in accordance with this invention are useful in power plants, smelters, and other industrial settings where corrosive environments are present.

Abstract: An improved process for providing corrosion protection to ferrous metal substrates is disclosed. The improved process involves a first treating of the surface of the ferrous metal substrate with nitric acid followed by directly applying to the previously treated surface a zinc-rich coating composition. Upon curing the zinc-rich coating composition, an adherent electroconductive coating is formed. The coating provides excellent corrosion protection and since it is electroconductive, the coating is weldable and can accept a subsequent electrocoat.

Abstract: Metal substrates in corrosive environments such as gas and oil pipelines, are normally prone to embrittlement caused by absorption of the hydrogen which is cathodically evolved during various corrosion processes. This is substantially prevented by providing an active substance in the vicinity of the metal substrate, and in electrical contact therewith, the active substance being one on which cathodic hydrogen evolution occurs in preference to the metal, thereby reducing the amount of hydrogen available for diffusion into the substrate. The active substrate is preferably a sulphide, for example FeS, or mixed sulphide, for example NiCo.sub.2 S.sub.4, and is advantageously applied as a coating on the surface of the substrate, a further coating of, for example, a thermosetting resin, preferably being employed for mechanical and environmental protection.

Abstract: A silicone composition prepared from an alkoxy-containing silicon compound, an organotitanate, and an organohydrogensilicon compound, optionally an organic solvent is useful for improving the adhesion between silicone rubber and a substrate.

Abstract: The method of making self-activating thread lock structures which comprises depositing a fluid material including an uncured fluid resin in the thread grooves of a threaded member; immediately thereafter, while the material is still in fluid condition, applying a thin fluid film-forming cover coat over the fluid material; and immediately thereafter transforming the cover coat into a thin, solid, dry, non-tacky, rupturable film by brief exposure to radiation, such as ultra-violet radiation.As previously noted excellent results have been obtained using ultra-violet lamps as the source of radiation to effect substantially immediate cure of the film-forming material, but other sources are contemplated, such as electron beam radiation.

Abstract: This invention relates to a process for applying an anti-corrosive coating upon metallic objects.A paint containing more than 90% by weight of pulverulent zinc in relation to the dry extract is applied to the previously shot cleaned surface of the metallic object. After drying and hardening of this paint, one applies thereon, by electrostatic means, a powdered resin capable of adhering to the zinc upon polymerization and thereafter polymerization of said resin is brought about.

Abstract: A method of increasing the corrosion resistance of enamel coated steel by the application of a silyation agent in an effective amount to prevent the corrosion of enamel coated steel products is disclosed. This invention is particularly suited for the prevention of the interaction of a canned food product with its container.

Abstract: A method for encasing an electric component of a type comprising a body and at least one pair of lead wires extending outwardly therefrom in the same direction. An outer protective coating or casing enclosing the body therein is formed by dipping the electric component into a solution of chlorinated hydrocarbon containing either a chained aliphatic hydrocarbon or a higher fatty acid to form a film covering the entire surface of the body and the surfaces of portions of the lead wires adjacent the body, then dipping the electric component into a solvent to remove the film except for that covering the surface of a portion of the body adjacent the lead wires and also that covering the surfaces of that portions of the lead wires, and finally dipping the electric component into a coating solution.

Abstract: In a process for forming a multilayer coated film which comprises coating a multilayer coat-forming paint on the surface of a substrate to form a multilayer coated film thereon, the improvement wherein prior to the coating, the surface of the substrate is treated with a solution containing at least one onium compound selected from compounds of formulae (I) and (II) below ##STR1## wherein Y represents a nitrogen, phosphorus or arsenic atom, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are identical or different and each represents a hydrogen atom or an organic group having not more than 8 carbon atoms, and X.sub..crclbar. represents an anion.

Abstract: A process for curing a coated film of an alkyl silicate type zinc rich paint, which comprises coating a substrate with an alkyl silicate type zinc rich paint, and then treating the resulting coated film with an aqueous liquid containing a basic substance, thereby to promote the curing of the coated film.

Abstract: A plastic coating for plated metal shelving used in walk-in coolers, and the method of applying the coating to the metal shelving. When the metal shelving is cleaned and prepared for the plating, a nickel film and a chromium film are electrodeposited in that order on the metal shelving in two successive operations. The deposited chromium metal surface is then treated with an iron phosphate in order to enhance the adhesion of a final outer layer of plastic. The iron phosphate treatment is carried out in a three-stage spray washer operation. The coating in the form of an epoxy resin is then applied, where the epoxy resin is preferably a thermosetting plastic of the Bisphenol-A type which requires specific time and temperatures to achieve a proper desired cure and color.

Abstract: To provide a cover coating for metal surfaces subject to corrosion by water, typically steel surfaces in salt water, for ships, structural components, and the like, in which cathodic protection by application of a negative voltage to the metal is provided, a two-layer coating is applied in which the base coating applied to the metal comprises a mixture of finely divided zinc and polyisocyanate prepolymers capable of hardening or curing under ambient humidity, with dryers, gelling, and pigment agents, and high boiling point solvents, covered by a cover coating, preferably in two to three layers, of a mixture of tar with polyisocyanates, fillers, dryers, solvents, and micaceous iron ore or hematite powder.

Abstract: The present invention relates to a process for forming a multi-layer coating including at least two coating layers by performing the oven drying step at one time, which comprises coating at least partially the surface of the substrate with a powder coating composition, then applying a slurry paint composition comprising synthetic resin particles dispersed in an aqueous medium and then heating.

Abstract: A primer composition for use in the fluidized-bed dipcoating of thermoplastic resin powder, comprising a polymeric compound formed by polymerization of a diene compound, admixed with either magnesium oxide alone or magnesium oxide together with cobalt ion and/or manganese ion.

Abstract: This invention discloses multi-layered, fiberglass-reinforced floor covering systems which provide such highly desired properties as chemical resistance, abrasion resistance, low-temperature curing, thermal shock resistance and the capability of bridging shrinkage cracks, control joints and the like. One particularly desirable application of the floor constructions of this invention is in the pharmaceutical and food industry. This application is based upon the fact that the floor constructions provided are stain resistant, color stable, and do not permit the growth of fungi or bacteria.The multi-layered floor constructions of the present invention comprise in ascending laminated form a floor substrate such as a porous concrete floor, a primer coat of an epoxy resin, a fiberglass-reinforced base coat of an epoxy resin, a top coat of an epoxy resin containing filler material, and a sealer coat of a polyurethane resin.

Abstract: A primer composition for an Si-H-olefin platinum catalyzed composition comprising an epoxy functional silane, an alkenyl-group-containing organosilicon compound, a vinyl acetate type of polymer, platinum, and an ester type of organic solvent.

Abstract: Multi-layered coating compositions which comprise one or more inner coating layers which are admixtures of polymers formed from thermosetting polymeric materials and reinforcing filler materials and an outer coating layer which is an admixture of a fluoroelastomeric material and a reinforcing filler material are useful in preventing the corrosion and/or deterioration of surfaces which are in contact with corrosive substances such as strong acids, particularly, sulfuric acid. Such coating compositions are especially useful for preventing corrosion of the surfaces of the chimney liners, flue ducts and scrubbers which are present in many power plants and smelters.

Abstract: A method and a composition for forming electron beam curing high build coating film which method comprises the steps of preparing a specified coating composition, applying it to the surface of a substrate to be coated, and curing the coating film with the irradiation of electron beams or ultraviolet rays. The coating composition of the invention comprises a polymerizable resin (I) as the main vehicle component which is cured by the irradiation of electron beams or ultraviolet rays and has at least two polymerizable unsaturated double bonds and at least one hydroxyl group in its molecule, and a polyisocyanate compound (II). Further, a resin (III) having active unsaturated groups can be added to the above coating composition so as to improve the pot life of the composition.

Abstract: A substrate that has a finish of a clear coat toplayer in firm adherence to a color coat layer that is in adherence with the substrate; whereinthe clear coat consists essentially of a transparent film forming binder;the color coat consists essentially of a film forming binder and pigments;both the clear coat and the color coat contain an antioxidant and an ultraviolet light stabilizer;This finish has an excellent appearance and has excellent weatherability and durability and is particularly useful as a finish for automobiles and trucks.

Abstract: A primer coating containing, as the resin binder, a thermoplastic halogenated (at least partly fluorinated) ethylene polymer and a curable epoxy resin, and, as a filler pigment, finely-divided mica and metallic pigment powder, is disclosed herein. The primer coating gives fluoropolymer top coatings which have been simultaneously cured therewith unexpectedly high resistance to blistering and delamination when exposed to extreme conditions such as live steam under high pressure.

Abstract: A process of employing a coating to control toxicant leaching rate of a marine antifouling paint and thus, to extend its useful lifetime is disclosed. An ambient-temperature curing system is made from water soluble or dispersible hydantoin epoxy resins, a water dispersible polyamido amine, and optionally with an inhibitor, an accelerator and a swelling agent. A water swellable, thermoset coating which is permeable to antifouling compounds results.

Abstract: A method for bonding steel plates with a polyamide adhesive, comprising applying a composition comprising (1) a polyester resin comprising the reaction product of (a) a polycarboxylic acid component comprising at least one of a polycarboxylic acid, an anhydride thereof, an ester thereof or a mixture thereof with (b) a polyhydric alcohol component comprising at least one polyhydric alcohol or a mixture thereof, with at least some of one of the polycarboxylic acid component and the polyhydric alcohol component being trivalent or higher, and (2) a bisphenol A-type epoxy resin, on a steel plate; baking the coating by heating; juxtaposing the coated steel plates to be bonded with a polyamide adhesive therebetween; and bonding the steel plates with the polyamide adhesive, a primer composition for use therein and a polyester resin for use in the primer composition.

Abstract: A method of treating metal parts to provide durable and rust-inhibiting coatings is described. The application method can be used to treat single parts or bulk barrel processing of parts. The method comprises the steps of(a) phosphating the metal parts with an aqueous metal phosphating solution,(b) electrophoretically depositing a siccative organic coating on the phosphated metal parts, and(c) applying a corrosion inhibiting film of oil as a seal coat.

Abstract: A protective curable coating containing a polymerization inhibitor, extractable from the cured coating, which is applied to surfaces located above the liquid level of a storage tank containing a polymerizable alkenyl aromatic monomer, e.g., styrene, vinyl toluene, divinyl benzene on which surfaces said monomer tends to condense. The monomer condensing on the surfaces which have been coated extracts some of the inhibitor from the coating and thus polymerization on these surfaces is prevented or substantially restricted.

Abstract: A metallized plastic molded product is provided which comprises a plastic substrate, a base coat layer, a dry metallic film layer, an inter coat layer and a top coat layer, characterized in that said inter coat layer is a cured ultraviolet curing composition comprising 5-80% by weight of a resin containing 5-50% by weight of repeating unit represented by the formula I: ##STR1## wherein R.sub.1 is H or CH.sub.3, R.sub.2 is H or C.sub.1-8 alkyl, and R.sub.3 is C.sub.1-8 alkyl, and having a molecular weight of 4,000-200,000 and 20-95% by weight of a compound having polymerizable unsaturated groups and said top coat layer is a cured ultraviolet curing composition comprising 40-90% by weight of a urethane modified polyvinyl compound and 10-60% by weight of a polyvinyl compound having a molecular weight of 170-1,000 and having at least two polymerizable unsaturated groups in one molecule. A method for producing the product is also provided.

Abstract: There is provided by the present invention a method for adhering silicone compositions to various substrates and more specifically to plastic substrates by the utilization of a primer composition which is a reaction product of methyl or butyl methacrylate or butyl acrylate and an acrylate functional silane, where in such reaction product mixture there is some of the acrylate functional silane monomer present.

Abstract: An aqueous composition useful for forming primer coatings for adhering high molecular weight emulsion polymerized acrylic polymers to metallic substrates is disclosed. The aqueous dispersion comprises a mixture of:(A) a high molecular weight water-insoluble acrylic latex;(B) a carboxylated polyether formed from reacting and then hydrolyzing(1) a polyepoxide having a epoxide equivalency greater than 1,(2) a compound containing at least one phenolic hydroxyl group and containing at least one group hydrolyzable to a carboxyl group.

Abstract: The present invention relates to a process for forming a multi-layer coating including at least two coating layers by performing the oven drying step at one time, which comprises applying a slurry paint comprising synthetic resin particles dispersed in an aqueous medium, to an undried coating which is in the non-fluid state but is not completely dried.

Abstract: Heat-sealable laminates useful as packaging materials, for example, for the packaging of photographic processing chemicals, are comprised of a layer of metal foil, an outer heat-sealable layer of a radiation-cured and heat-fused polymeric composition, and a radiation-cured chemically-resistant polymeric interlayer between the foil and the outer layer. The laminates are manufactured by coating a metal foil with a radiation-curable composition that is capable of forming a chemically-resistant layer upon radiation curing, irradiating the coating to cure it, overcoating with a radiation-curable composition such as a vinyl plastisol that is capable of forming a heat-sealable layer upon radiation curing, irradiating the overcoat to cure it, and heating the laminate to fuse the overcoat layer.

Abstract: Polycarbodiimide polymers terminated with polymerizable silane groups function well as primers for a variety of substrates and for many different coating materials. SPThis application is a continuation-in-part of U.S. Ser. No. 730,810, filed Oct. 8, 1976, now abandoned.

Abstract: Printed and varnished surfaces are provided by depositing a base film or printing on a substrate and depositing, wet-on-wet, a protective varnish or top coat after which the multilayers are exposed to an energy source, preferably to electromagnetic radiation, to simultaneously cure the varnish and ink on said substrate.

Abstract: Disclosed is a method of preparing a cathode for use in the electrodeposition of metallic structures in a predetermined pattern. A porous planar member is provided with a masked region of its porous surface corresponding to the desired pattern of the metallic filaments. A mating planar surface of a cathode base is cleaned, preferably leaving a tightly adhering intermediate coating on the planar surface, and then a non-conductive material, preferably an epoxy based resin ink, is forced through the porous planar member and printed onto the planar surface of the cathode base. The masked region of the porous member will prevent the printing in a region corresponding to the desired pattern on the cathode surface.

Abstract: Photoinitiator-free inks and a method of producing printed and varnished surfaces are provided by depositing a base film or printing on a substrate and depositing, wet-on-wet, a protective varnish or top coat after which the multilayers are exposed to an energy source, preferably to electromagnetic radiation, to simultaneously cure the varnish and ink on said substrate.

Abstract: A process for producing thin walled coatings on elongated substrates by the electrostatic application of two superimposed layers of powder material is disclosed. The process comprises the steps of applying electrostatically a first layer of fusible powder material to an elongated substrate, at least partially fusing such first layer of powder material to provide a uniform coating on the elongated substrate, holding the at least partially fused coating at an elevated temperature below the full fusion temperature of the powder material to be applied as the second layer immediately prior to the application of such second layer, applying electrostatically a second layer of fusible powder material to the first layer, and fusing the total applied coating to achieve the desired coating thickness.

Abstract: There is disclosed a method for producing an electrical circuit board comprising the steps of selectively treating a portion of a conductive metal sheet in a pattern substantially corresponding to a predetermined printed circuit configuration and in a manner which renders the pattern portion of the sheet essentially adherent to a resin, placing the treated pattern portion of the sheet in direct contact with a layer of resin on the surface of an insulating substrate to form an assembly, uniformily heating the assembly to an elevated temperature to selectively bond the substrate to the treated pattern portion of the sheet, cutting the sheet along the perimeter of the pattern portions and stripping the non-pattern portions of the sheet from the substrate to form a circuit board.

Abstract: A cured epoxy polymer having improved adhesive properties is disclosed. The epoxy polymer is the reaction product of a mixture comprising a resin component comprising (a) a diglycidyl ether based upon linoleic dimer acid, (b) an elastomerically modified epoxy resin blend and (c) a diglycidyl ether of bisphenol A and/or bisphenol F and a suitable curing agent. The reaction mixture is heated at a suitable temperature for a period of time sufficient to attain a full cure of the epoxy.

Abstract: A water-borne thermosetting coating composition comprising a stable dispersion or solution of:(A) a terminally functional epoxy resin reacted with(B) a tertiary amine; and(C) a nitrogen resinIs provided. Such composition is useful for spray-, flow-, dip-, roller-, and electro-coating metal and paper substrates and provides coatings of improved properties, including high degree of flexibility during machining and stamping of the coated articles, corrosion resistance, gloss, hydrolytic stability, and non-adulterating of foods and beverages in contact therewith.

Abstract: A process for forming a polyolefin coating layer onto a surface of a metal which comprises coating an uncured epoxy resin layer onto the surface of a metal and melt-bonding a polyolefin modified with an unsaturated carboxylic acid or an anhydride thereof onto the uncured epoxy resin layer coated onto said metal surface. The coating layer has a high bonding strength and excellent water resistance, especially resistance against brine.