Abstract: An electro-optic display device in which a conductive paste is disposed between opposed electrodes is characterized in that said conductive paste contains silane coupling agents. A process for making an electro-optic display device in which a conductive paste is disposed between opposed electrodes is characterized in that said conductive paste is applied onto films which are formed by applying a silane coupling agent onto at least one of the electrodes.

Abstract: Metallized polymers are made by melting the metal and polymer together. The products have improved impact resistance and electrical and thermal conductivity. They can also be used for electromagnetic interference shielding.

Abstract: This invention is directed to a process and a novel composition for forming a conductive thermoset material which comprises admixing(a) particles of a polymeric material swellable at its plasticization temperature,(b) at least one liquid reactive plasticizer for (a)(c) optionally and preferably a curing agent for the reactive plasticizer, and(d) heat or electrically conductive particles,and thereafter heating the admixture for a time sufficient to flux and cure same to obtain a conductive thermoset material. Upon heating, above the plasticization temperature, the liquid reactive plasticizer plasticizes the polymer particles. This results in the swelling of the polymer particle, forcing the conductive filler to pack tightly and orderly, thereby increasing the conductivity of the plasticized conductive thermoset after curing.

Abstract: This invention is directed to a process and a novel composition for forming a conductive thermoset material which comprises admixing(a) particles of a polymeric material crosslinked to at least its gel point and swellable at its plasticization temperature,(b) at least one liquid reactive plasticizer for (a)(c) optionally and preferably a curing agent for the reactive plasticizer, and(d) heat or electrically conductive particles, and thereafter heating the admixture for a time sufficient to flux and cure same to obtain a conductive thermoset material. The crosslinking of the thermoplastic polymer can optionally be carried out in a solvent for the polymer. Upon heating, above the plasticization temperature, the liquid reactive plasticizer plasticizes the lightly crosslinked polymer particles. This results in the swelling of the polymer particle, forcing the conductive filler to pack tightly and orderly, thereby increasing the conductivity of the plasticized conductive thermoset after curing.

Abstract: A solderable electrically conductive composition includes metallic silver particles embedded in a matrix formed from acrylic, carboxylated vinyl and epoxy. The composition is formed by dissolving acrylic powder and vinyl powder in respective solvents to form a first solution and a second solution. The solutions are then mixed with metallic silver particles and an epoxy to form an ink which is applied to a substrate to form a film thereon. The film is cured to evaporate the solvents and allow polymerization to occur thereby leaving a solderable electrically conductive film, formed from metallic silver particles embedded in a matrix containing acrylic, vinyl and epoxy, on the substrate.

Abstract: A weldable sealant composition is made by adding ferrous metal particles to a sealant having a viscosity of at least 6 million centipoises. The sealant composition is placed between two metal plates and permits resistance welding, i.e. spot welding, to take place.

Abstract: Novel epoxy compositions and a method of using them to make bonded rare earth-iron alloy magnets have been developed. The epoxy resins are polyglycidyl ethers of polyphenol alkanes that have high glass transition temperatures. The epoxy resin is provided in the form of a powder containing a suitable amount of a latent imidazole curing agent. The powder is mixed with rare earth-iron alloy particles, the mixture is compacted, and the resultant compact is heated to melt the powder and activate the curing agent. The alloy particles in the resultant magnet body are exceptionally resistant to flux loss upon aging.

Abstract: A coating composition comprises the following components dissolved in an organic solvent therefor:(I) an addition copolymer derived from ethylenically unsaturated monomers and containing (a) from 0.8 to 8.0% by weight, based on the total weight of the polymer, of free carboxyl groups, and, optionally, (b) tertiary amino groups;(II) one or more polyepoxide compounds present in an amount to provide from 0.2 to 2 epoxy groups for each carboxy group in the addition copolymer;(III) an aluminum, titanium or zirconium alkoxide or complex thereof with a chelating agent therefor, present in an amount such that the amount of metal is from 0.05 to 2.0% by weight, based on the weight of the addition copolymer; and(IV) optionally, a tertiary amino compound; provided that component (IV) is present when the addition copolymer (I) does not contain tertiary amino groups and that the total amount of tertiary amino groups present in the composition provides from 0.

Abstract: Divalent metal complexes of novolacs act as modifiers for alkyds, drying oils, epoxy esters, epoxy resins and thermoplastic polyhydroxyethers. Lamellar, non-lamellar and spherical pigments improve corrosion and salt spray resistance of coatings made from these compositions.

Abstract: A method for cationic electrocoating which comprises electrocoating a substrate in an electrocoating composition comprising an electrocoating resin having a reactive group admixed with a paste comprising a chromate pigment in a water-insoluble or hardly soluble, reactive group-containing organic binder and said paste having a water content of not more than 2% by weight and said composition having a concentration of 200 to 5,000 ppm in terms of CrO.sub.3, the reactive group in the electrocoating resin being crosslinkable with the reactive group in the organic binder. The formed electrocoating film has high rust prevention.

Abstract: An ultraviolet curable coating composition particularly adapted for providing water impermeable abrasive resistant coatings on low temperature degradable electronic components comprising a liquid mixture of an acrylated cresol novolac epoxy oligomer, a multifunctional acrylated urethane oligomer, a hydroxyalkyl methacrylate monomer, a bicyclic monofunctional acrylate monomer, a photoinitiator and a calcined cobalt alumina pigment.

Abstract: Metallized polymers are made by melting the metal and polymer together. The products have improved impact resistance and electrical and thermal conductivity. They can also be used for electromagnetic interference shielding.

Abstract: This invention relates to an improved coating composition for application to aluminum cell cathodes, wherein said composition comprises a Refractory Hard Material, and a thermosetting resinous binder system.The resinous binder system is characterized by a char yield greater than 25 percent, while the coating composition exhibits expansion characteristics such as to adhere to a cathode block at temperatures up to and including those normally encountered in the operation of an aluminum cell. The ablation rate of the carbon system utilized is essentially equal to the combined wear and dissolution rate of the Refractory Hard Material in an aluminum cell environment.

Abstract: A product and the process for preparing the same to improve the moisture resistance properties of epoxidized TGMDA and DGEBA resin systems by chemically incorporating chromium (III) ions therein without impairing the mechanical strength properties of the resins.

Abstract: A rotary compressor comprises a housing having a cylindrical inner wall surface, a rotatable sleeve having an inner and outer surfaces and disposed in the housing for rotation about a first longitudinal axis, a rotor disposed in the sleeve for rotation about a second longitudinal axis which is offset from the first longitudinal axis, a plurality of vanes carried by the rotor to extend substantially in radial directions and having radially outer edges maintained in contact with the inner surface of the sleeve so that the sleeve is rotated as the rotor and the vanes rotate. One or each of the inner wall surface of the housing and the outer surface of the sleeve has a coating comprised of a wear-resistant resin dispersed with 10 to 120 volume part of a solid lubricant and 5 to 50 volume part of metal flakes for 100 volume part of the resin.

Abstract: A coating composition comprising (A) a polyester resin modified with a lactone having 6 to 8 ring carbon atoms (I) or a mixture of said lactone-modified polyester resin (I) and a non-modified polyester resin (II), the lactone content being from 5 to 40% by weight of the total polyester resin (in solid) (I) or (I+II), the number average molecular weight being 800.about.200 mg KOH/g and wherein the resinous acid value is 2.about.20 mg KOH/g, (B) a crosslinking agent, (C) a pigment and (D) optionally other resins. The composition is useful as an intercoat paint for automobile bodies.

Abstract: A blend of about an equivalent of a carboxyl terminated polyester having a carboxyl end group equivalent weight of 900 to 1200 with 0.8 to 1.2 equivalents of an epoxy curing agent having an equivalent weight of about 70 to 1000, 0 to 50% by weight of a copolyester melt adhesive and sufficient powdered metal to make 20 to 70% but preferably about 30 to 50% metal by weight based on recipe without the copolyester melt adhesive.

Abstract: A stable, mechanically formed brazing shape comprising a polymer matrix which may be composed of thermosetting and thermoplastic resins in various combinations and braze alloys or compounds which when formed by extrusion, dried, and cured is able to replace brazing pastes, loose powders and tapes in many brazing applications especially those requiring the deposition of a uniform amount of alloy in the brazed or bonded joint. The fabrication of shapes of various cross sections by extrusion is also described.

Abstract: High shielding efficiencies to emissions of electromagnetic interference are achieved with molding compositions comprised of thermosetting resins and a multi-component electroconductive filler system. Compounds having a combination of at least two conductive fillers provide shielding efficiencies of 30 dB of attenuation or more to electromagnetic emissions over a frequency range of 0.5 to 1000 Mhz without adversely affecting mechanical properties and processing capabilities.

Abstract: A resin product useful as an adhesive, composite or casting resin and the process for preparing same to improve the flexural strength mechanical property characteristics thereof. This improved flexural strength is attained with little or no change in density, thermal stability or moisture resistance by chemically incorporating 1.2 to 10.6% by weight Co(III) ions in an epoxidized resin system.

Abstract: A thermosetting composition for use in the formation of a magnetizable film on a substrate is disclosed herein, which has improved resistance to frictional wear and abrasion, and improved impact durability. The composition comprises a heat-curable polymer resin, magnetizable particles, a fatty ester, and sufficient solvent to provide a viscosity of from about 200 to about 600 centipoise at about 24.degree. C. The method of preparation of the composition as well as its use are also disclosed.

Abstract: This invention provides a composition comprising about 15 to about 75% by weight of a thermosetting or ultraviolet-curable resin, about 24.5 to about 84.5% by weight of finely divided heat-resistant inorganic substance and about 0.5 to about 20% by weight of a finely divided palladium catalyst. This composition is the solvent-free type and useful for forming an electroconductive metal coating on an electrically nonconductive base material by chemical plating.

Abstract: The subject of the invention is a composition designed for production of slide elements and surfaces of machines and equipment, consisting of 100 parts by weight of low-molecular epoxy resin on the basis of epichlorohydrin and dian condensed with 3-15 parts by weight of phenol-formaldehyde resin modified with furfuryl alcohol, 2-15 parts by weight of an organic diluent, 15-100 parts by weight of the known inorganic fillers and, optionally 2-20 parts by weight of a polymeric material of lubricating properties in powder form. The composition is obtained as a result of the condensation of resins at a temperature of 150.degree.-170.degree. C. and the introduction into the post-reaction mixture of organic diluents and inorganic fillers at a temperature of about 100.degree. C. and optionally, the introduction of a polymeric material at a temperature of 50.degree. C.

Abstract: A pigmented, thermosetting organic solvent solution coating composition having improved capacity to resist acid rain is disclosed in which a resinous polyepoxide, a phenoplast resin cross-linking agent for said polyepoxide (preferably a xylolol-formaldehyde condensate), a phosphoric acid ester catalyst, a chromium-containing pigment providing resistance to corrosion, and a clay having the capacity to fix phosphate, are combined. For package stability, the catalyst is the reaction product of ortho phosphoric acid with an aliphatic diol, there being sufficient hydroxy in said diol to provide at least 1 equivalent of hydroxy for each acid equivalent in said phosphoric acid. These coatings are applied as a prime coating which is baked to remove solvents and provide a dry film without removing the phosphoric acid contained therein. The dry primer is then overcoated with a topcoat, and the doubly coated substrate is baked to cure the first coating.

Abstract: A coating for smoothing rough surfaces of steel, masonry, and concrete hag desirable application and curing characteristics comprising component A and component B in a ratio of 4:5 to 5:4 by weight. Component A includes by weight, polyamide adduct resin of 45-54%, polyamide resin of 3-4%, thixotrope additive of 12-24%, titanium dioxide pigment of 5-6%, and magnesium silicate pigment of 34-38%. Component B includes by weight, epoxy resin of 55-60%, thixotrope additive of 10-20%, colorant pigment of 3-4%, and magnesium silicate pigment of 31-35%.

Abstract: A powder having a negative coefficient of linear thermal expansion and sealing compositions containing the same are disclosed wherein the powder is a .beta.-eucryptite particle having on the surface thereof a layer of tin oxide, titanium oxide, and/or zirconium oxide.

Abstract: Ink compositions especially suitable for printing electronic circuit patterns on a substrate such as a flexible polyester substrate; methods for developing electrolessly and electrolytically the circuit configurations as articles of manufacture; flexographic printing with the ink composition has been disclosed as the preferred method.

Abstract: An adsorbent, which is prepared by subjecting to curing a mixture consisting of (a) one part by weight of at least one member selected from the group consisting of titanium oxide hydrate, zirconium oxide hydrate and tin oxide hydrate and of (b) about 1/10 to 3 parts by weight of an epoxy, unsaturated polyester or polyurethane resin.The adsorbent can be used as an adsorbent for a great variety of anions and cations and especially as the adsorbent for phosphate ion.The adsorbent displays also improved chemical resistance, resistant to acids and alkalis, and can be subjected to repeated desorption and regeneration procedures without causing any deterioration of its adsorptive capacity, thus permitting the repeated usage over a long period of time.

Abstract: A thermally conductive composition comprises an essentially homogeneous mixture of sand or sand-like particulate material with a binder, wherein the binder comprises an organic adhesive having an inorganic fine particle filler therein. The binder is present in at least an amount sufficient to begin to form a binder meniscus between adjacent sand particles, while the filler is present in the binder in an amount which significantly increases the effective thermal conductivity of the composition as compared to the same composition without filler.

Abstract: A two-package solventless rust preventive material comprises (A) a sprayable component essentially containing a liquid epoxy resin and a liquid polycarboxylic acid anhydride and (B) a sprayable component essentially containing a liquid primary or secondary amino compound and a curing accelerator, at least one of said components (A) and (B) essentially comprising a non-reactive epoxy resin diluent having a molecular weight of 300 to 4,000 and an electrically conductive powder.