Abstract: A method for coating finely divided material with titania is disclosed. The method involves the fluidization of the finely divided material in an inert carrier gas containing vaporized titanium isopropoxide. The isothermal fluidized bed is kept at a temperature equal to or below approximately 300.degree. C. The vaporized titanium isopropoxide reacts to form a coating of titania on the surfaces of the particles within the fluidized bed. The greatest coating efficiency occurs when the fluidized bed is kept at approximately 300.degree. C. for approximately the first 10 minutes of the reaction and thereafter at approximated 250.degree. C. The titania coating process is particularly useful for electroluminescent phosphors such as copper doped zinc sulfide phosphor. The titania coated electroluminescent phosphors are relatively insensitive to moisture. Lamps made from the coated electroluminescent phosphor are also relatively insensitive to moisture.

Abstract: A lightweight structural panel is formed by subjecting a surface of a metal cover sheet to an oxidizing treatment to remove any foreign substances thereon, applying an adhesive layer to a core member, and bonding the treated surface of the metal cover sheet to the adhesive layer on the core member. Preferably, the oxidizing treatment is by electron plasma surface treatment for a period of time sufficient to oxidize any oil, chemical film, or rust on the surface of the metal sheet. The core member is made of a plastic material which may also be subjected to electron plasma surface treatment. The metal cover sheet may instead be flame-treated, or treated with oxidizing chemicals such as hydrazine. Metal cover sheets may be bonded on both sides of the plastic core.

Abstract: Organopolysiloxane elastomers comprising copolymers of dimethyl and methylvinyl siloxanes provide improved facial and dental prosthetic materials, and are especially useful in preventing and treating chronic tissue irritation due to hard dental polymers. They are effectively bonded to polymeric and metallic substrates as denture liners, obturators, maxillofacial prosthetic devices and appliances with a group of trifunctional silane coupling agents.

Abstract: A method of producing a metal gasket includes steps of alkaline cleaning a metal plate, coating a non-rinse chemical for chromate conversion of surfaces of the metal plate and drying to form chromate films, coating an adhesive on the chromate films and drying or baking the adhesive to form adhesive layers, and coating rubber compound of a sheet-like or an amorphous mixed compound to a predetermined thickness on the adhesive layers and heating and vulcanizing the rubber compound to form rubber coated metal plate. A metal gasket manufactured in this manner has a high bonding power of the rubber layers to the metal plate to obtain an improved durability for long use.

Abstract: Steel sheet coated with a nontoxic, relatively insoluble, inorganic, corrosion resistant coating. A silicate coating is formed on a steel sheet by rinsing the sheet for at least 30 seconds in an alkaline aqueous solution containing 0.005 M silicate, 0.005 M metal salt and having a temperature of at least 25.degree. C. The sheet is dried to form an adherent silicate coating having a thickness of at least 2 nm prior to being treated with an aqueous solution containing 0.5-5 vol.-% silane. If the sheet is painted, the silane film forms an adherent bond between the paint and the silicate coating. A silane treated silicate coating minimizes red rusting on terne coated steel by sealing pin holes. A silane treated silicate coating also provides good corrosion protection and paint adherence on cold-rolled or galvanized steel.

Abstract: Calcium or other sulfonate gel in an oil carrier (such as that of U.S. Pat. No. 4,629,753 to Quinn), optionally mixed with a small amount of sodium sulfonate and tall oil fatty acids, can be neutralized with amine, e.g. DMEA, to form a soap which can be dispersed in water. Adding an acrylic emulsion results in an acrylic coating rich in corrosion-retarding alkali metal or alkaline earth metla sulfonates. This finish on metallurgically roughened, e.g. nitrocarburized, metal forms a firm film which can resist greater than 500 hours ASTM B117 salt spray.

Abstract: Thermally curable liquid sealants for impregnating the pores of cast metal articles and powdered metal articles including a combination of five polymerizable components within stated percentage ranges essential to providing sealants that, when cured, have low weight loss when tested for heat resistance, low weight gain when tested for chemical resistance upon submersion in water, brake fluid and antifreeze, and superior sealability characteristics.

Abstract: An apparatus for washing and cleaning metallic wheels comprising an apparatus that washes a metallic wheel, and an apparatus that subsequently cleans the washed metallic wheel. A house is provided wherein the cleaned and washed metallic wheel may be painted. A pair of rotating transport cylinders is provided in order to transport the metallic wheel from the apparatus for washing the metallic wheel to the apparatus for cleaning the metallic wheel, and subsequently from the apparatus for cleaning the metallic wheel to the house where the metallic wheel may be painted. A method for washing and cleaning a metallic wheel which includes elevating the metallic wheel from a supporting surface to a level generally horizontal to a pair of cylinders rotatable supported by a conveying frame, and rolling the metallic wheel across the pair of cylinders and into a washing chamber.

Abstract: A hydrophilic surface treatment chemicals comprising, on a solid basis,(a) 1-10 parts by weight of at least partially saponified polyvinyl acetate having a saponification degree of 45 or more and a polymerization degree of 100-600,(b) 0.3-15 parts by weight of water-soluble nylon, and(c) 0.1-5 parts by weight of a water-soluble amino resin,a weight ratio of the component (b) to the total of the components (a) and (c), (b)/[(a)+(c)], being in the range of 1-1/4, and a weight ratio of the component (a) to the component (c), (a)/(c), being in the range of 1/0.05-1/0.5. The hydrophilic surface treatment bath is prepared by properly diluting the chemicals for surface-treating aluminum members.

Abstract: Calcium or other sulfonate gel in an oil carrier (such as that of U.S. Pat. No. 4,629,753 to Quinn), optionally mixed with a small amount of sodium sulfonate and tall oil fatty acids, can be neutralized with amine, e.g. DMEA, to form a soap which can be dispersed in water. Adding an acrylic emulsion results in an acrylic coating rich in corrosion-retarding alkali metal or alkaline earth metal sulfonates. This finish on metalurgically roughened, e.g. nitrocarburized, metal forms a firm film which can resist greater than 500 hours ASTM B117 salt spray.

Abstract: Corrosion of metals and cathodic disbondment of coated metals, especially steel, iron and aluminum, are reduced by coating the metals with a composition of 1-70% by weight of a modified polyolefin and 30-99% by weight of metallic zinc. The modified polyolefin is obtained by grafting a polyolefin with an ethylenically unsaturated aliphatic carboxylic acid or derivative thereof, the polyolefin being a homopolymer or copolymer of a C.sub.2 -C.sub.12 hydrocarbon alpha-olefin.

Abstract: Silyl-functional fumarates are formed through the reaction of a methyl ester of a maleate with a chloroalkyl silane or disiloxane in the presence of an amine or phosphine catalyst. These materials are useful as adhesion promoters for polyolefins.

Abstract: A process for treating metal surfaces to obtain improved susceptibility to bonding with adhesive compositions is disclosed. A metal surface is oxidized with a halogen to form a monolayer of halide ions on the surface. The halide ions are then exchanged with azide ions to form an azide monolayer on the metal surface. Upon contact of the treated surface with an adhesive composition, the azide layer may be thermally or photochemically decomposed to form active nitrene species, which react to bond the adhesive composition to the metal surface.

Abstract: A method of treating a painted vehicle or glass to form a film which protects the surface and can be easily cleaned. A treatment solution including a surfactant mixed with water is rubbed into sections of the surface being protected until a tacky residue forms on the surface. The tacky residue is then rubbed into the surface until the surface is wiped free of any streaks.

Abstract: A process for converting a fluid system of a machine from an oil based fluid system to a water based fluid system. A solvent and perfluoroethylene resin are added to the fluid system in sufficient amounts to remove extraneous matter from and coat the surfaces within the fluid system with the perfluoroethylene resin. The oil based fluid, solvent and perfluoroethylene resin are circulated throughout the fluid system for a time sufficient to remove extraneous matter and coat the surfaces. The fluid system is evacuated of the oil based fluid, solvent and residual perfluoroethylene resin, and a water based fluid is added to the fluid system.

Abstract: A method for preserving cavity spaces, particularly in an automobile chassis, is provided wherein wax is applied onto the inside walls of the cavity space to be preserved, being applied with application nozzles. The wax is heated and the heated and liquified wax is supplied under pressure to a pre-atomizer nozzle and is atomized by the latter. At the same time, compressed air is heated and is mixed in its heated condition to the jet of wax drops emerging from the pre-atomizer nozzle and relaxed. Finally, the hot mixture of wax drops and air is supplied to the application nozzle and the latter sprays it onto the walls of the cavity space to be preserved. An apparatus for the implementation of this method is composed of a heatable delivery line for the hot and liquified wax, of a pre-atomizer nozzle having a following discharge tube, of a compressed air delivery line having an air heater and of a nozzle tube having application nozzle apertures.

Abstract: A method of forming a pseudo-diamond film on a base body, the method comprising a first step of irradiating carbon ions onto a surface of a base body from an assisting ion gun to form a mixture layer comprising base body material atoms and carbon atoms; a second step of simultaneously vapor-depositing the carbon atoms from a vapor deposition source and irradiating hydrogen ions from the assisting ion gun onto the mixture layer to form pseudo-diamond cores on the mixtures layer; and a third step of vapor-depositing carbon atoms from the vapor deposition source and irradiating hydrogen ions from the assisting ion gun onto the pseudo-diamond cores to form a pseudo-diamond film on the pseudo-diamond cores.

Abstract: Process and apparatus for forming a plastic coating on a metal strip. A metal strip is cleaned, surface treated, coated with an electrostatically charged plastic powder in an enclosed chamber using a plurality of spray guns positioned on both sides of the strip, inductively heated to above the melting point of the powder, and maintained in an infrared heater until the fused powder is flowed into a coating having a smooth surface and a uniform thickness. Thermoplastic and thermosetting coatings, having thicknesses of at least 10 microns formed using total induction and infrared heating times of less than 60 seconds, can be fabricated without cracking.

Abstract: A method of cleaning and coating water conducting pipes is provided wherein a mixture of water and compressed air is forced through the emptied pipe system to rough clean such system, a pressurized acid is introduced into the pipe system and allowed to react with the interior surface of the pipes for a predetermined period of time. The acid is then drained from the pipes, and the interior of the pipes is dried by compressed air. A pressurized liquid plastic is then introduced into the pipes to coat the pipes with the excess plastic being subsequently drained from the pipe system.

Abstract: A method of grafting a conductive, tenacious, and protective coating on a metallic substrate. The metallic substrate, such as steel, aluminum, iron, platinum, silver, nickel, gold, cobalt, copper, copper alloys, or combinations thereof, is contacted with a composition having: (i) one or more polymerizable monomers having at least two functionalities; (ii) one or more graft initiators containing nickel ion in an amount effective to initiate the graft polymerization of the monomers; and (iii) a reducing agent capable of reducing nickel ion to nickel metal. The composition and substrate are heated for a time and at a temperature effective to graft polymerize the monomers and nickel metal onto the substrate and form a conductive, tenacious, and protective coating bonded to the substrate. The coating can also contain elemental phosphorous. Preferably, the coated substrate has a surface resistivity of less than 0.1 ohm per square.

Abstract: Disclosed is a surface treating agent which improves the adhesive properties between a metal surface and a paint layer thereon. The surface treating agent is an acidic aqueous solution comprising zinc ions, nickel ions and phosphate ions, characterized by adding a cyclic metaphosphate thereto in the form of(MPO.sub.3).sub.n wherein M represents a metal atom and n isan integer of at least 4 in a concentration of 20 to 600 mg/l.

Abstract: A process is disclosed for inhibiting corrosion in tin-plated steel aerosol cans which contain aqueous aerosol formulations and a propellant. Compositions such as the isopropylamine, cyclohexylamine, 2-ethylhexylamine and tertiary C.sub.12-14 alkyl primary amine salts of N-acyl sarcosine; morpholine salts of oleic acid, acetic acid, benzoic acid, and N-acyl sarcosine; cyclohexylamine, 2-ethylhexylamine, tertiary C.sub.12-14 alkyl primary amine and tertiary C.sub.18-22 alkyl primary amine salts of benzoic acid are disclosed.

Abstract: This invention includes a method featuring steps having a transport (64, 68) to carry metal articles (10, 14) through a vacuum chamber (62, 66, 90) containing a plasma cleaning station (32) followed by exposure to an evaporant of metal (42) generated by an E-Beam (50) caused to condense on the articles in high vacuum. A channel structure (51) is provided to cause selective condensation upon the surface of said articles. The apparatus includes several stations (101, 102, 103) to provide multiple coatings on one or both sides of an article to be coated.

Abstract: A process for restoring imaging members, which comprises (1) providing, subsequent to its utilization and removal from an electrophotographic imaging device, an amorphous silicon photoconductive imaging member with a protective overcoating; (2) contacting this member with a fluorine containing composition for an effective time period enabling the removal of the protective layer; (3) washing and drying the surface of the resulting imaging member; and (4) subsequently depositing a protective layer thereover.

Abstract: A method for reducing the tendency of a surface of a material to foul when exposed to a potential foulant comprises the step of treating the surface of the material with a plasma of a compound containing or generating hydroxyl groups to render the surface hydrophylic but substantially uncharged.The materials may be inorganic, e.g. glass, or organic, e.g. polyamide, and may be in the form of fibers, woven fabrics, membranes or plates. Suitable compounds containing hydroxyl groups include ethylene glycol and water.

Abstract: Surfaces of a structure are treated from a walkway within an enclosure suspended from the structure. The enclosure has a downwardly-converging cross section terminating in a vacuum conveyor for collecting and removing particles accumulating from the blasting process. The enclosure is preferably provided in modules. The vacuum conveyor removes the particulate material for transfer to conventional separating and re-cycling equipment. the enclosure and walkway are moveably suspended from transverse guideways secured to the structure.

Abstract: The method for applying an adhesive to a hologram film includes the steps of: treating one side surface of a hologram film for enhancing the adhesive of an adhesive material thereto; extruding a hot melt of thermoplastic adhesive material onto said one side surface of the hologram film; and, allowing the thermoplastic adhesive material to dry.

Abstract: A procedure for the application of PTFE-based, self-lubricating coating on a steel bearing element whose chrome and nickel contents are less than 5%, is disclosed. The procedure is characterized by a working process whereby the element undergoes a preparatory treatment during which crystal nuclei form, followed by phosphatization treatment which forms a microcrystalline layer composed of an iron and manganese compound, then by the application of PTFE on the surface and between the crystals.

Abstract: Metal surfaces are treated with an aqueous medium containing a phosphate diester of a hydroxyacrylate or methacrylate containing a hydrocarbon chain having from 7 to 16 carbon atoms. The treated metal surfaces give improved retention of adhesive strength when adhesives are subsequently applied.

Abstract: The present invention is directed to a ceramic coated metal substrate having improved processibility characteristics in the manufacture of electronic devices, as for example electronic circuits, and to processes for manufacture of such devices.

Abstract: Titanium magnetic disk substrates are manufactured by preparing a base by stripping not less than 5 .mu.m from the surface layer of a titanium cold-rolled plate, and then forming a film of not less than 5 .mu.m consisting of 1 or more non-magnetic transition metal elements belonging to Groups IVA, VA, VIA, VIIA and VIIIA of the Periodic Table, on the surface of this base.

Abstract: A method is described for improving the erosion and abrasion wear resistance and hardness of the internal wear surfaces of structures such as nozzles, jets, ducts, chutes, powder handling tubes, valve housings, conveyors, drill bushings and the like. A substantially pure tungsten layer is chemical vapor deposited on the internal wear surface of the body of the structure followed by a chemical vapor deposited top coating comprising a mixture of tungsten and tungsten carbide. The tungsten carbide is selected from the group consisting of W.sub.2 C, W.sub.3 C, and mixtures thereof and is fine grained, non-columnar and has a substantially layered microstructure. Also described are structures formed by the method.

Abstract: A process for producing corrosion resistant and wear resistant medical tools and instruments by coating high strength low-carbon martensitic stainless steels with a thin, hard layer of refractory metal compound, preferably via cathodic arc plasma deposition technology. The invention also covers the coated medical tools produced via such process.

Abstract: This invention relates to the use of low temperature plasma technology for significantly improved corrosion protection of steel. The plasma process involves pretreating of the steel surfaces by oxygen plasma and thin film deposition by polymerization of certain precursors on the steel. The process utilizes DC power, substrates as the cathode, magentron anodes, and system pressures of 0.01-0.5 torr. After the thin film plasma deposition it is also preferably to put a primer coating over the thin film.

Abstract: Pre-glued, coil-coated brake shoe stock is manufactured on a continuous coil coating line wherein a heavy gauge steel strip is continuously fed through abrasion and surface cleaning steps, optionally treated with a phosphoric acid/alcohol solution and then followed by application of a phenol-formaldehyde resin, a controlled curing step, and again coiled. The phenol-formaldehyde resin may have incorporated in it solid particles which will improve the dimensional stability, thermal properties and vibration and sound-dampening characteristics of the brake shoes. Brake shoes stamped from the stock made under the particular conditions described have higher shear strength and adhesion to the brake pad or lining materials than those of the prior art and have fewer problems in manufacturing.

Abstract: An inlet apparatus for gas-aerosol sampling comprises an elutriator column and an impactor member. The elutriator column comprises an inlet and an impact accelerator jet outlet, and the inner surface of the column is provided with a coating of polytetrafluoroethylene-containing polymer. The impactor member includes a housing which surrounds the impact accelerator jet outlet and an impactor surface arranged within the housing and opposite the impact accelerator jet outlet. The inner surface of the housing is also provided with a polytetrafluoroethylene-containing polymer coating.

Abstract: A machine (10) for refinishing a rim/wheel (R) by first elevating (20) the rim/wheel from ground level into a washing and degreasing chamber (13), washing and degreasing the rim/wheel in the chamber (13), transferring the rim/wheel into a shot blast chamber (14), shot-blasting the rim/wheel, transferring the rim/wheel to a spray coating area (15), spray-coating the rim/wheel with a protective material (C), and thereafter returning the rim/wheel to its initial elevation for subsequent tire/retread application thereto (20). The rim/wheel is transferred through the machine with its axis in a generally horizontal plane FIG. 1) and is also rotated about its axis during washing/degreasing and shot-blasting. During the spray coating, the rim/wheel is coated with its axis disposed both vertically and horizontally.

Abstract: A method for forming a surface layer on a base material to be processed by electric discharge process, said method being characterized in that the electric discharge process is conducted in liquid or liquefied gas by use of a metalloid or a metal as an electrode for electric discharge process to thereby form on the surface of said base material a layer having an amorphous alloy structure or a very fine crystal structure.

Abstract: Machine elements formed which overcome the problems associated with rolling bearings or rolling drive units, which, apart from load under rolling are simultaneously exposed to frictional load, which leads in particular zones to frictional wear. In order to keep this to a minimum the invention teaches to apply on the effected surfaces of such structural parts a coating of a friction bearing material, which, however, according to the findings of the invention must be applied with the PVD method and must have a thickness of the order of magnitude of the surface roughness of the base body; known thicker friction bearing coatings are not suitable. The invention is especially for forming gear wheels, rolling bearings, shafts, compressor screws, and rolling pistons.

Abstract: A method, and aqueous emulsion, for coating a metal part with a peelable mask that is resistant to attack by the strong acid and strong base etchants used in chemical milling are disclosed. The method comprises contacting a polyvalent metal cation salt-surfaced part with an anionic emulsion for a time period effective to coat the part. The anionic emulsion includes coalescent rubbery particles and pigment and has a total solids content of at least about 10 weight percent. The weight ratio of pigment to rubbery particles is about 0.1:1 to about 2:1, respectively.

Abstract: The adherablility of a thin coating of a metal or semiconductor oxide, such as indium tin oxide or silicon dioxide, is improved by treating the coating with an aqueous solution containing an effective amount of an active oxygen compound such as sodium hypochlorite or hydrogen peroxide.

Abstract: In a process for improving the adhesion of plastics to metals in the production of dental prostheses, in which a silicon dioxide layer is applied to the metal surface and subsequently silanized and then the plastic and metal bonded together the improvement consisting essentially of, forming the silicon dioxide layer by (1) applying a silica sol or dispersion of very finely divided silica to the metal surface and (2) baking the sol or dispersion at a temperature of 100.degree. to 800.degree. C.

Abstract: A method of fabricating an electrode which comprises an intimate mixture of finely divided electroactive material in a matrix composed of a conjugated backbone polymer which comprises the steps of: derivatizing the surface of finely divided alkali-metal alloying metal, alkali metal cation inserting material or anion inserting material with active polymer catalyst; dispersing the derivatized metal or material having a desired small particle size in a gas, suspension or solution of a monomer or other precursor of the desired conjugated backbone polymer and polymerizing the monomer and/or precursor in the presence of the dispersed metal or material; and fabricating a cohesive solid by recovering the polymerization product from said gas, suspension or solution comprising derivatized metal or material coated with conjugated backbone polymer and forming same into a cohesive solid.

Abstract: A method for producing a magnetic recording medium, comprising the steps of: (1) preparing a takeup evaporated article under a takeup tension of 13.5.times.10.sup.-8 b/t Kg-weight or more when a magnetic metal/alloy thin film is provided on a flexible substrate that is b mm wide and t m thick by takeup evaporation; (2) rewinding said evaporated article under a takup tension of 13.5.times.10.sup.-8 b/t Kg-weight or less; and (3) preserving said rewound article in an oxidation accelerating atmosphere. A method for producing a magnetic recording medium comprising the steps of: (1) preparing a takeup evaporated article by providing a magnetic metal/alloy thin film on a flexible substrate by takeup evaporation and (2) preserving said takeup evaporated article under the condition that an air stream containing an oxidizing gas is generated in winding gaps of said evaporated article.

Abstract: A titanium composite material is disclosed which comprises a titanium or titanium alloy substrate, a base layer formed thereon of a calcium phosphate compound resulting from calcination of a hydrochloric or nitric acid aqueous solution of the calcium phosphate compound, and a covering layer thereon of a calcium phosphate compound formed by sintering a suspension of the calcium phosphate compound applied to the base layer. The composite material is useful as a biological implant. It is produced by activating the surface of the substrate, forming the base layer by calcining the solution coated on the substrate and then forming the covering layer by sintering the suspension coated on the base layer. The covering layer may be hydrothermally treated to increase its crystallinity.

Abstract: A composition for the pre-treatment in aqueous form of a surface, preferably of an oven, which is subjected to heat and is liable to soiling by baked-on organic food deposits. A food-safe, inorganic thickening agent, in an amount sufficient so that the composition is capable of forming a continuous coating adhered to all desired portions of the preferably cleaned surface, which coating also remains continuous as the coating dries, preferably by heating, is combined with an alkaline, water-soluble inorganic salt in an amount sufficient so that the composition is readily removable with water or an aqueous solution after the composition has been dried and soiled. The composition forms a continuous film after drying. After the film becomes soiled, it can be readily removed by contact with water or an aqueous solution.

Abstract: A lead oxide-coated electrode for use in electrolysis is disclosed, which comprises a primary layer comprising platinum and/or platinum oxide, an intermediate layer comprising .alpha.-PbO.sub.2, and a coating layer comprising .beta.-PbO.sub.2 successively coated on a substrate comprising a corrosion resistant metal. The electrode has a strong and durable lead oxide coating firmly bonded to the substrate, does not suffer from passivation, resistance increase, etc. and can be used stably for a long time at high current density. A process for producing the electrode is also disclosed.

Abstract: Pre-glued, coil-coated brake shoe stock is manufactured on a continuous coil coating line wherein a heavy gauge steel strip is continuously fed through abrasion and surface cleaning steps, spray treated with a phosphoric acid/alcohol solution followed by a spray of phenol-formaldehyde resin, a controlled curing step, and again coiled. Brake shoes stamped from the stock made under the particular conditions described have higher shear strength and adhesion to the brake pad or lining materials than those of the prior art and have fewer problems in manufacturing.

Abstract: A process for production of a calcium phosphate compound-coated composite material is disclosed, comprising oxidizing a metallic substrate to form a layer of the oxide of the metal component of the metallic substrate on the surface thereof, and forming a coating layer of a calcium phosphate compound on the surface of the oxide layer.

Abstract: An improved method for drawing iron or steel rod subjects the rod to a titanium based conditioning agent prior to application of a dry powder soap lubricant and subsequent to descaling and any phosphating step.