Abstract: A mesh cloth, which does not bring about clogging and has uniform openings throughout the whole surface, and a screen-formed plated article, which can be stably used as a printing screen and a cylinder for rotary printing, and is useful as an electromagnetic wave shielding material and a shadow mask. The mesh cloth is produced by using a core-sheath composite filament using a sheath comprising a component having a lower melting point than a core. A metal plating is applied on the mesh cloth, in which the core threads of the crossing threads at the point of intersection of the crossing threads are adhered to each other by melting the sheath component, the surface thereof is uniformly covered with the sheath component of the crossing threads, and the thickness of the cloth at the point of intersection is from 85 to 60% of the total thickness of the diameters of the crossing threads.

Abstract: Wire comprising polycrystalline &agr;-Al2O3 fibers within a matrix of substantially pure elemental aluminum, or an alloy elemental aluminum and up to about 2% copper.

Abstract: An electric device comprising a conductor and a porous conductor insulation impregnated with a dielectric fluid. Where the dielectric fluid comprises; a polymer; and a hydrocarbon-based fluid. The dielectric fluid being composed such that a part of the polymer molecule interacts with the hydrocarbon based fluid or another part in the polymer molecule in such a way that the dielectric fluid; at temperatures within a first low temperature range is in a highly viscous and elastic, essentially gelled, state; at elevated temperatures within a second higher temperature range, is in low viscosity easy flowing and essentially newtonian state; and that the viscosity of the dielectric fluid is, over a third limited temperature range, the transition range, changed between the low viscosity state and the highly viscous state. The transition range comprises temperatures between the first and the second temperature ranges.

Abstract: An electrically conducting member (2) is insulated with a thin coating (6) of a resinous insulation composition containing a resin interactive with and bonded to an oligomer containing a metal of at least one of Cr, Sn and Zn, where the oligomer is within a silicate type mica or clay structure.

Abstract: A composition comprising: polyethylene; as a scorch inhibitor, 2,4-diphenyl-4-methyl-1-pentene; as a cure booster, 3,9-divinyl-2,4,8,10-tetra-oxaspiro[5.5]undecane; and an organic peroxide.

Abstract: A self-bonding insulated wire has a bonding outermost layer formed from a resin composition prepared by adding at least two, but less than 10 parts by weight of a high-melting nylon resin having a melting point of 200° C. to 300° C., such as nylon 66 or 46, to 100 parts by weight of a copolyamide resin having a melting point of 105° C. to 150° C. The polyamide resin contains a lower molar ratio of terminal carboxyl groups than terminal amino groups.

Abstract: The invention discloses a method of using crosslinkable polymer powders for producing ballistic-resistant fiber materials, which comprises consolidating the textile sheet materials by means of pulverulent crosslinkable copolymers which are based on ethylenically unsaturated monomers and have a glass transition temperature Tg or a melting point of ≧40° C. and a melt viscosity of ≧2000 mPas.

Abstract: A filler material for the exterior surface of a high voltage coil having Roebeled strands is described. The filler material comprises an epoxy resin impregnated felt which is wrapped in a low resistance conductive tape. The conductive tape reduces potential gradients across the filler material, thereby reducing the occurrence of unwanted electrical discharges in the filler voids.

Abstract: Polyolefin wire insulation in hydrocarbon grease filled telecommunications cable which is subsequently exposed in an outdoor interconnection box is especially vulnerable to the adverse conditions of heat, oxygen and moisture. The combination of one or more primary phenolic antioxidants selected from N,N′-hexane-1,6-diylbis-(3-(3,5-di-tert-butyl-4-hydroxyphenylpropionamide)), tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate and tris(2-(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyloxy)ethyl)isocyanurate together with one or more alkylhydroxyphenylalkanoyl hydrazine metal deactivators is very effective towards providing oxidative stability for polyolefin wire insulation under these conditions.

Abstract: In one embodiment, the present invention relates to a substrate for an electrical device including a coating, wherein the coating comprises an oxygen plasma resistant polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal oxide precursor. In another embodiment, the present invention relates to a component for an electrical device comprising an oxygen plasma resistant polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal oxide precursor. In yet another embodiment, the present invention relates to a microelectronic device comprising an oxygen plasma resistant polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal oxide precursor.

Abstract: An enameling lacquer comprises a base first polymer and a copolymer which is compatible with said first polymer and which contains polymeric chains selected from polysiloxanes, fluorated chains and alkane chains. The lacquer is of particular application to an enameled wire comprising at least one layer of an enamel obtained by reticulation of the lacquer.

Abstract: Disclosed is an electrical insulating laminated paper prepared by a process which comprises the steps of melt-extruding a polyolefin resin as a binder onto one or two sheets of a kraft insulating paper by means of a extruder to obtain a laminated paper, and calendering or supercalendering the laminated paper so that the total thickness thereof is from 30 to 200 &mgr;m and the proportion of a polymer comprising the polyolefin resin is from 40 to 90%. The laminated paper is excellent in dielectric properties, dielectric strength, and mechanical properties such as adhesive strength.

Abstract: A composition comprising polyethylene and, for each 100 parts by weight of polyethylene, about 0.1 to about 3 parts by weight of the reaction product of (i) an aliphatic diacid anhydride or a polymer or copolymer thereof wherein the anhydride has 4 to 20 carbon atoms; and (ii) a polymer selected from the group consisting of a polycaprolactone, a polyalkylene glycol, a monoalkyl ether of a polyalkylene glycol, and a mixture of two or more of said polymers, the weight ratio of component (ii) to component (i) being in the range of about 0.05:1 to about 1:1.

Abstract: The present invention relates to an electroactivated material comprising fibers and a binder and additionally having an electrocatalytic agent in the form of particles comprising a precious metal oxide or in the form of particles comprising a support and a coating based on such an oxide. The electroactivated material can be used especially as cathode component of an electrolysis cell and in particular of a cell for the electrolysis of aqueous sodium chloride solutions. The present invention also relates to a composite material comprising the said material and to processes for the preparation of each of the two materials.

Abstract: Flame-resistant resin composition is prepared for use as a coating material and applied to electrical cables. The resin composition is not cross-linked, and contains no halogen. It is highly formable, flexible, heat-resistant and oil proof. The flame-resistant flexible resin composition includes 100 parts by weight of polymeric material including about 50 to 90 parts by weight of thermoplastic elastomer copolymer including polyolefin and rubber, about 5 to 25 parts by weight of a second copolymer including ethylene and vinyl-based compound containing at least one carbonyl group, and up to about 25 parts by weight of polyolefin having a crystallinity of at least about 55%, and about 30 to 200 parts by weight of at least one metal hydroxide a surface of which has not been treated with stearic acid.

Abstract: Concrete strengthening members, particularly prestressing tendons such as strands of steel wire, are provided with a strongly adherent plastic coating which may be substantially impermeable for improved corrosion resistance, and/or which may have embedded therein abrasive or grit-form particles to provide improved bond with the concrete, and particularly to provide controllable bond transfer in prestressing tendons of the pre-tensioned type. The plastic coating preferably is applied electrostatically in powder form, and fusion bonded by heat. The abrasive can be applied by spraying during a viscous state of the heated resin, and can be varied as to size and spacing density so as to control the surface condition and the bonding effect. Fusion and curing heat may come from preheating of the member before application of the resin powder, which preferably is a heat curable, thermosetting epoxy. Coating thickness and grit application are readily variable to meet particular requirements.

Abstract: A plastic film distinguished in corona resistant characteristic having a low cost without a low mechanical strength, which plastic film is particularly suitable for making insulated wires, coils, and electric motors capable of fully responding to demands for providing electric trains with higher running speeds and higher acceleration and deceleration. In accordance with one embodiment, the film includes a base layer and at least one thermally conductive layer having a minimum thermal conductivity of 2 W/m·K, preferably 6 W/m·K, more preferably 15 W/m·K laminated horizontally on at least one surface of the base layer. In accordance with another embodiment, the film has a minimum volume electrical resistivity of 1014 &OHgr;·cm, preferably 1015 &OHgr;·cm, and includes a base layer and at least one low-electrical-resistance layer having a maximum superficial electrical resistance of 1013 &OHgr;·cm, preferably 1012 &OHgr;·CM.

Abstract: A wire for a wire saw apparatus for slicing a material includes an element wire, a binder coated on an outside circumferential surface of the element wire, and abrasive grains dispersed in the binder. The element wire is a high tensile strength metal wire, the binder is a material such as an organic or inorganic material other than a metal, and the abrasive grains are held on a surface of the element wire by the binder. The element wire is also made by either a natural quartz glass or a high purity synthesis quartz glass.

Abstract: A flame-retardant, wear-resistant resin composition includes a polymer composition and at least one metal hydroxide. The polymer composition consists of (a) at least one propylene-ethylene block copolymer, and (b) at least one polyolefin-rubber elastomer including polyolefin as a hard segment and rubber as a soft segment. The resin composition consists of 10 to 80% by weight of the component (a), and 20 to 90% by weight of the component (b). The metal hydroxide is present in the resin composition in an amount in the range of 30 to 300 parts by weight per 100 parts by weight of the polymer composition. A good balance of properties can be obtained.

Abstract: A pulsed voltage surges resistant enamelled wire comprises a metal conductive wire and at least one shield layer outside the wire, the at least one shield layer is provided by a coating composition comprising (a) a synthetic resin, (b) an organic solvent and (c) &agr;-form Al2O3 particles and &ggr;-form Al2O3 particles.

Abstract: A composition comprising: (a) polyethylene; (b) as a first antioxidant, a thiobisphenol; (c) as a second antioxidant, a compound containing 3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate in the molecule; (d) as a third antioxidant, distearyl thiodipropionate; and (e) an organic peroxide, with the proviso that each antioxidant is present in an amount of about 0.01 to the about 0.2 part by weight and the organic peroxide is present in an amount of about 0.5 to about 3 parts by weight, all per 100 parts by weight of polyethylene.

Abstract: A composition comprising: (a) polyethylene; (b) as a first scorch inhibitor, a substituted hydroquinone or 4,4′-thiobis(2-t-butyl-5-methyl phenol); (c) as a second scorch inhibitor, distearyl disulfide; and (d) an organic peroxide.

Abstract: Overhead high power transmission cable comprising a plurality of wires comprising polycrystalline &agr;-Al2O3 fibers within a matrix of substantially pure elemental aluminum, or an alloy elemental aluminum and up to about 2% copper.

Abstract: A composition comprising: (a) a low density homopolymer of ethylene prepared by a high pressure process; (b) a scorch inhibitor selected from the group consisting of a substituted hydroquinone; 4,4′-thiobis(2-methyl-6-t-butylphenol); 2,2′-thiobis(6-t-butyl-4-methylphenol); and 4,4′-thiobis(2-t-butyl-5-methylphenol) in an amount of about 0.02 to about 0.07 part by weight of scorch inhibitor per 100 parts by weight of homopolymer; (c) a cure booster; and (d) an organic peroxide.

Abstract: A composite metallic wire includes: an inner layer having a cross-sectional shape of a rough circle; and a metal outer layer having a cross-sectional shape of a rough ring; wherein the composite metallic wire has a diameter of 15 &mgr;m or less and an electric resistance of 300 &OHgr;/m or less. A composite type magnetic head using as a coil wire a composite wire comprising: (1) a composite metallic wire comprising: an inner layer having a cross-sectional shape of a rough circle; and a metal outer layer having a cross-sectional shape of a rough ring; wherein the composite metallic wire has a diameter of 15 &mgr;m or less and an electric resistance of 300 &OHgr;/m or less, and (2) an insulating coat provided in the outer periphery of the outer layer.

Abstract: The process of the invention to make miniaturized multipolar cables includes the steps of combining together a plurality of individually insulated conductors, inserting a filling in a pasty state and containing mineral fillers into the gaps existing between the conductors, partly hardening the filling and disposing the other cable components, in particular the sheath, around the conductors-filling assembly, and letting the filling become completely hard within the produced cable.

Abstract: An insulated wire is provided with excellent heat stability and strippability. The wire is coated by a resin composition obtained by mixing 10 parts by weight or less of calcium-zinc stabilizer, 2 to 10 parts by weight of hydrotalcite and 0.1 to 1 part by weight of stearic acid to 100 parts by weight of vinyl chloride resin. This wire is most effective when the size thereof is 0.3 to 2 mm.sup.2 and the thickness of its insulation coating is 0.2 to 0.5 mm.

Abstract: Disclosed is a process for manufacturing a conductive fiber-PVC composite which exhibits less than 10.sup.12 hms/sq. resistivity. The process entails incorporating into rigid PVC under heat and shear, a composite of parallel, conductive long fibers embedded in a PVC-dispersible matrix. The process is conducted under the same melt process conditions encountered in the compound processing of rigid PVC, and the long conductive fibers are incorporated a long fiber composite of substantially parallel fibers embedded in a PVC dispersible matrix. The pellets comprise from about 20% to 80% by weight of conductive fiber and 80% to 20% PVC-dispersible thermoplastic.

Abstract: Ethylene polymers having a) a Polydispersity Index of about 2 to about 4; b) a melt index, MI, and Relaxation Spectrum Index, RSI, such that (RSI)(MI.sup.0.6) is about 2.5 to about 6.5; c) a Crystallizable Chain Length Distribution Index, L.sub.w /L.sub.n, of about 1.0 to about 9; and d) a density, .rho., and a percent haze when fabricated into films such that the percent haze is less than 370.rho.-330, are provided. These ethylene polymers advantageously combine superior clarity and toughness with low extractables and enhanced processing ease.

Abstract: In one embodiment, the present invention relates to a substrate for an electrical device including a coating, wherein the coating comprises an oxygen plasma resistant polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal oxide precursor. In another embodiment, the present invention relates to a component for an electrical device comprising an oxygen plasma resistant polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal oxide precursor. In yet another embodiment, the present invention relates to a microelectronic device comprising an oxygen plasma resistant polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal oxide precursor.

Abstract: Steel reinforcing cords (36) having four or more filaments (38, 40, 42 and 44) in two groups, one twisted and the other untwisted with a filament tensile strength TS equal to K.sub.1 -K.sub.2 D where K.sub.1 =4080N/mm.sup.2, and D is a filament diameter in mm to form cords with a break load equal to N(720.40D.sup.2 -352.6D.sup.3 ; CE is the cord efficiency, D is the filament diameter in millimeters and N is the number of filaments.

Abstract: A welding wire capable of improving wettability between weld metal and wire surface, thereby providing excellent drawability and weldability in resistance welding of wires is provided. A wire is dipped in an aqueous solution of a sulfide of alkali metal or ammonium sulfide to generate iron sulfide (FeS.sub.2 or FeS) on the surface, whereby the wettability of weld metal to wire surface is improved in the resistance welding of the resulting wires. The S in the iron sulfide is preferably present in an amount of 0.1-20 atomic % as measured by X-ray photoelectron spectroscopy. At least one sulfide of S with an element of Mn, Ti, Cu, Cr, Ni, Al or Zn can be used instead of or in addition to the iron sulfide.

Abstract: A communications cable is provided having at least one elongate electrical conductor surrounded by a layer of insulating material, said layer comprising a foamed fluorinated polymer formed using a liquid or solid blowing agent having a vaporization temperature at ambient temperature of between about 140.degree. F. and about 700.degree. F. The elongate electrical conductors can be provided as at least one pair of twisted wires, each wire thereof surrounded by a layer of insulating material comprising the foamed fluorinated polymer. The communications cable includes insulated wires which possess a layer of foamed fluorinated polymer insulating material having uniform thickness and electrical properties along the length of the wire. In addition, the fluorinated polymer can be applied on the conductor in a relatively thin layer which minimizes the amount of fluorinated polymer material used to insulate the individual conductors.

Abstract: A high temperature resistant colored enamel wire comprises a metal conductive wire and at least one colored coating layer outside the wire, the at least one colored coating layer is provided by a coating composition comprising (a) a synthetic resin, (b) an organic solvent and (c) an inorganic pigment. In addition to having good appearance and uniform color, the high temperature resistant colored enamel wire can provide the temperature resistance and insulation properties meeting the requirements of the art.

Abstract: An article of manufacture comprising (i) a plurality of electrical conductors, each surrounded by one or more layers of a composition comprising (a) one or more polyolefins and, bonded thereto or blended therewith, (b) a linear or cyclic organopolysiloxane containing one or more functionalized hindered amine moieties; and (ii) hydrocarbon cable filler grease within the interstices between said surrounded conductors.

Abstract: A fully imidized cresylic acid soluble polymer comprising 4,4'- oxydiphthalic anhydride (ODPA), 3,4,3',4',-biphenyltetracarboxylic dianhydride (BPDA), 3,4'-oxydianiline (ODA), and 4,4'-oxydianiline (DAPE) that can be used as a coating material such as a wire coated enamel. The polyimide has relatively low viscosity and high percent solids by substituting some of the 3,4'oxydianiline with 4,4'oxydianiline. Substitution with the 4,4'oxydianiline can be accomplished up to 25% on the molar basis without losing the fully imidized, cresol solubility characteristics.

Abstract: Method for the preparation of a polymeric mixture for cable insulators and coatings and sheaths for optic fiber cables; polymeric mixture thus produced and the cables containing it.The method is characterized in that one completely mixes, up to the obtainment of a homogeneous composition, (i) from 50 to 80 parts (w/w) of a first thermoplastic polymer which is amorphous, highly resistant to flames and combustion, and consists of an aromatic polyester of isophthalic and terephthalic acid with bisphenol A, and (ii) from 20 to 50 parts (w/w) of at least a second thermoplastic polymer consisting of an elastomeric polyether-ester block copolymer, having a Shore D hardness greater than 50 and a Vicat softening point greater than 170.degree. C., for a mixing time less than 10 minutes.

Abstract: A composition comprising:(a) polyolefin;(b) as a scorch inhibitor, 4,4'-thiobis(2-methyl-6-t-butyl phenol); 2,2'-thiobis(6-t-butyl-4-methylphenol); or mixtures thereof;(c) hydroquinone; a substituted hydroquinone; or mixtures thereof in an amount sufficient to control color formation; and(d) an organic peroxide.

Abstract: A holographic textile fiber that selectively absorbs and reflects different wavelengths of light. A plurality of holographic textile fibers in combination forming a holographic textile fabric. The plurality of textile fibers characterized as including a central core including one of a light transmitting material, a light absorbing material, a light reflecting material, or a polymer dispersed liquid crystal (PDLC) material. The holographic textile fibers further including a plurality of layers of an optical media. Each of the plurality of layers having differing indices of refraction thereby forming a multi-layer interference coating overcoating the central core. The plurality of layers of optical media characterized as selectively reflecting particular wavelengths of light while transmitting differing wavelengths of light, thereby generating a plurality of interference patterns that form a holographic optical image as a result of an incident light.

Abstract: A surface-treated metal component for reinforcing structures for manufactured products made of vulcanized elastomeric material, in which the said component is coated with a layer of metal alloy and in which the said alloy is an alloy ZnMoX in which X is a metal chosen from the group comprising cobalt, iron and nickel.

Abstract: The disclosure relates to silica and/or silicate containing coatings upon particles, fibers, powders, among other substrates. The solubility of the coating can be modified by being treated with a metal chloride.

Abstract: The present invention provides a super-elastic, lightweight bail wire in combination with a bail assembly for use in connection with spinning-type fishing reels. In one preferred aspect, the bail wire has a modulus of elasticity (E) and a moment of inertia (I) whose product (E.times.I) is equal to or less than 45 lbs.-in..sup.2. In another preferred aspect, the bail wire has a weight per unit length equal to or less than 1.0.times.10.sup.-3 lbs./in. Both aspects of the invention are achieved in an austenitic nickel-titanium alloy bail wire.

Abstract: The invention relates to a metal fiber agglomerate comprising fibers with an equivalent diameter of between 1 .mu.m and 30 .mu.m and with a length of between 1 mm and 20 mm, with the feature that the core of the agglomerate contains at least one bundle of fibers oriented substantially parallel to one another, while the casing consists of a network of randomly oriented fibers. The invention also relates to a process for the manufacture of these metal fiber agglomerates, characterized by a succession of steps in which the agglomerate is subjected to a continuous tumbling movement.

Abstract: A molded article having a photocatalytic function, a desired shape, a large contact area, and being sufficiently irradiated with ultraviolet rays, even at an inner surface thereof. Unit particles such as glass beads, or filaments such as fibers, are bonded to one another into the desired shape. Subsequently, a photocatalytic functional layer is formed on a surface of each particle or fiber. Particles of a spontaneous emission ultraviolet radiating material or light storage-type ultraviolet radiating material may be mixed in the molded article.

Abstract: A charge roller has a steel shaft and conductive outer cylindrical body which is formed by curing with heat a blend comprised of epichlorohydrin rubber, mineral-oil-free zinc oxide dispersion, stearic acid as a lubricant, accelerators and a sulfur donor. The roller has a long useful life and does not express oil while inactive.

Abstract: A composite metallic wire includes: an inner layer having a cross-sectional shape of a rough circle; and a metal outer layer having a cross-sectional shape of a rough ring; wherein the composite metallic wire has a diameter of 15 .mu.m or less and an electric resistance of 300 .OMEGA./m or less. A composite type magnetic head using as a coil wire a composite wire comprising: (1) a composite metallic wire comprising: an inner layer having a cross-sectional shape of a rough circle; and a metal outer layer having a cross-sectional shape of a rough ring; wherein the composite metallic wire has a diameter of 15 .mu.m or less and an electric resistance of 300 .OMEGA./m or less, and (2) an insulating coat provided in the outer periphery of the outer layer.

Abstract: A corrosion inhibiting composition containing a carrier of an oily or waxy type together with active components including at least one corrosion-inhibitor of the azole-type and a co-corrosion-inhibitor, together with optional water repellants or certain alcohols alone or in admixture. The compositions are suitable for protecting from corrosion steel wire or steel cord composed of several steel filaments.

Abstract: A filler rod for occupying space in a stranded optical fiber communications cable having at least one buffer tube containing at least one optical fiber is disclosed. The filler rod comprises an elongated rod extruded from a polypropylene homopolymer, a polypropylene-polyethylene copolymer (i-PP) resin material, or preferably, from a polypropylene-polyethylene copolymer having a nucleating agent disbursed therein. The resin material is foamed during extrusion so as to have a plurality of void spaces therein and a relative density which is less than 1 relative to the unfoamed resin material. As compared to rods made from high density polyethylene, the i-PP filler rods show a greater foaming efficiency, more efficient use of material, an improved combination of mechanical properties and density, reduced post-extrusion shrinkage and a substantial reduction in the sticking of the filler rods to the outer jacket that is experienced with high density polyethylene filler rods.

Abstract: Polyamide coating compositions that demonstrate strength and toughness, flame and corrosion resistance and resistance to hydrolysis and thermal degradation at coating thicknesses of less than or equal to 0.25 mm or 0.15 mm are provided. Such coating compositions are extremely useful for coating wires or cables that are housed in automotive electrical harnesses.

Abstract: A pulsed voltage surge resistant magnet wire comprising a conductor, a continuous and concentric and flexible uniform coat of base insulation material superimposed on the conductor. An essentially continuous and concentric and uniform pulsed voltage surge shield overlaying the coat of base insulation material. The shield has therein an effective amount of a particulate material. The shield is superimposed on the coat of base insulation material, and has a continuous and concentric and flexible and uniform top coat of insulation material superimposed thereon.