Abstract: A magnetic recording medium having a thin magnetic metal film formed on a non-magnetic base is disclosed. A thin film of a copolymer having vinylidene chloride and acrylonitrile as repeating units is formed on either the thin magnetic metal film or the surface of the base opposite the thin magnetic metal film or both. The resulting magnetic recording medium has improved running properties, wear resistance and electro-to-magnetic conversion characteristics.

Abstract: Increased elasticity of a laminate is obtained by adding 5-20% by weight of a blocked polyetherurethane component from a reaction product of polyethylene glycol, polypropylene glycol and p-nonylphenol with toluene-2,4-diisocyanate having the following composition:______________________________________ polyethylene glycol 15-20% by weight polypropylene glycol 50-60% by weight toluene-2,4-diisocyanate 8-12% by weight nonylphenol 10-15% by weight ______________________________________in the manufacture of a fire resistant laminate based on a cellulose-containing substrate material and an impregnating varnish made up of a phenol-resol with additives of plasticizers and flame retardants. A copper-laminated hard paper made of this phenolic resin laminate is distinguished by reduced punching resistance and stripping resistance.

Abstract: A magnetic recording medium having a magnetic layer formed on a nonmagnetic base is disclosed. The magnetic layer comprises ferromagnetic particles having a specific surface area of 30 m.sup.2 /g or more. The particles are dispersed in a binder which comprises a thermoplastic polyurethane resin or polyurethane prepolymer and nitrocellulose having an average degree of polymerization of about 50 to 300 and a degree of nitration of 10.7 to 13.0.

Abstract: A conductive coating structure useful in dielectric recording media and other uses comprises nitrocellulose. In one embodiment, conductive pigments are added to the nitrocellulose thus increasing the opacity of the substrate, and providing a surface suitable for handwritten annotations.

Abstract: A structural sandwich laminate constituted by thin skins, such as aluminum or fiber-reinforced plastic sheets bonded to the faces of a core formed by an array of wood strips having a periodic wave formation. The wavy strips in the array are out of phase with each other and are bonded together at their contiguous troughs and peaks to define an open-celled expanded wood structure whereby the laminate, though light-weight, has high strength.

Abstract: The invention relates to a packing material in the form of a web intended for aseptic packages. The packing material is a laminate with the side of the packing material web which is intended to form the inside of the packages consisting of a thermoplastic layer, preferably polyethylene. This polyethylene layer has a sterile surface and is covered in turn by a thin plastic film which completely covers the polyethylene layer and maintains its sterility. On the conversion of the packing material to packages, the thin plastic film is separated from the surface-sterile polyethylene layer, whereupon the remaining packing material is formed to a tube which is filled with sterile contents so as to form closed packing units.

Abstract: This invention relates to construction panels comprising metal-thermoplastic-metal laminates and a process for preparing same, said laminates possessing in combination critical service properties of low coefficient of linear thermal expansion, low inelastic ratio, and excellent flexural stiffness.

Abstract: The invention relates to a composite panel comprising at least one metal foil combined, by hot pressing, with at least one polyolefine sheet in which the polyolefine sheet is produced from a mixture of 10 to 90% by weight of cellulose fibres and from 90 to 10% by weight of a polyolefine modified by polar monomer units derived from at least one monomer selected from the group consisting of the unsaturated carboxylic acids, the corresponding anhydrides and their derivatives. The presence of cellulose fibres in the polyolefine improves the adhesion between the components of the composite panel.

Abstract: A double coating for the protection of a silver surface article is disclosed. A protective varnish coating, enclosing an inner varnish layer on the silver surface, intimately adheres to and is removable from said inner varnish layer.

Abstract: A thermal recording paper having formed on a paper support a color generating layer containing a color former and a color developer that contacts the color former to generate a color, wherein the back side of the paper is treated with an inorganic salt, an anionic high molecular weight electrolyte, an electroconductive metallic compound, alumina sol, or silica sol, and has a surface electrical resistivity of not more than 5.times.10.sup.11 ohms at 25.degree. C. and 40% RH.

Abstract: An improved disposable foil cooking sheet which is manufactured as a triputite laminate. The laminate comprises a generally flat foraminous impermeable foil upper layer, a central core of dry bibulous material and a generally flat imperforate lower layer. Several disposable foil cooking sheets may be connected in seriation and rolled into a roll.

Abstract: A laminated film which comprises (A) an organic polymer film, (B) a thin metal layer having a thickness of 30 to 500 A laminated on at least one surface of said organic polymer film, and (C) a transparent thin layer containing metal compounds and having a thickness of 0.02 to 0.3.mu. laminated on said thin metal layer (B). At least 60 wt. % of said transparent thin layer (C) comprises zirconium (Zr), silicon (Si) and oxygen, at least 60 molar % of metal elements in the above transparent thin layer (C) comprises zirconium (Zr) and silicon (Si) and molar ratio Zr/Si is in the range of 80/20 to 20/80.

Abstract: The present invention relates to improved liner constructions, and accordingly provides a cable sleeve liner capable in use of being wrapped around a cable splice and preferably having sufficient rigidity to provide an inner support for a heat-recoverable sleeve to be shrunk thereover, the liner comprising a laminate having at least one layer of fibrous sheet material and a metal layer which is substantially impermeable to moisture vapor and has one of its major surfaces facing away from all fibrous sheet layers which may be present. Preferably the fibrous layer(s) is or are arranged between the metal layer and a microperforated first layer of flexible polymeric film material which is permeable to gases or vapors generated within the laminate during recovery of the sleeve.

Abstract: Compositions and sheet materials for inhibiting the corrosion of metals, particularly aluminum and ferrous metals, and alloys thereof. The compositions comprise as their essential active ingredient an alkali metal salt of an unsaturated organic acid, especially a potassium salt of an acrylic acid such as sorbic acid. The compositions, when embodied in, or carried on, various sheet materials, provide protection for metal surfaces both in direct contact with the sheet materials as well as for those areas of the metal surfaces not in direct contact with the sheet materials.

Abstract: A sliding window with a frame provided with a glazing adapted to be mounted in a wall of masonry, wood, or the like. The frame is composed of frame profiles joined at the corners and contains glass panes inserted therein. The glass panes are guided in grooves of the frame profiles and are horizontally displaceable. The frame profile members are constructed of an extrudable synthetic resinous material, with the profile members having a U-shaped cross sectional configuration made up of two projections fashioned as hollow chambers. An undercut mounting groove is arranged between the two projections and a web, connecting the projections, is formed of two juxtaposed hollow chambers. One of the juxtaposed hollow chambers facing a weather side of the window is provided with perforations for draining the mounting groove, with a second of the juxtaposed hollow chambers containing, if desired, an inserted reinforcing profile.

Abstract: The present invention relates to indirectly metallized labels for containers, such as bottles, coated with a lacquer that has been applied before metallizing, comprising 2 to 10 weight % (calculated on the amount of resin of said lacquer) of additives, which do not attack the metal of said labels and which are soluble in an aqueous caustic soda solution, containing 1.5 weight % of caustic soda, having a temperature of 80.degree. C.

Abstract: An electrical laminate comprising layers of an unsaturated polyester resin-impregnated fibrous cellulosic substrate is disclosed. The substrate is preimpregnated with a mixture and/or a condensate of an aminoplast with a higher fatty derivative having at least one functional group capable of condensation with the methylol group of aminoplast. The laminate exhibits improved moisture resistance and punchability.

Abstract: Most processes for the generation of metal oxide or metal sulfide films involved oxidation of existing metal layers or direct vapor deposition of the oxide or sulfide layer. These processes do not provide efficient control of film integrity, optical properties, and bonding. The use of a metal vapor deposition process in which a controlled amount of oxygen or sulfur containing gas or vapor is introduced into the metal vapor stream or portions enables formation of metal oxide or metal sulfide films with excellent control over the film properties.

Abstract: Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, characterized in that the adhesive comprises at least one modified polyolefin selected from carboxyl group-containing polyolefins and metal compound-incorporated carboxyl group-containing polyolefins.

Abstract: A process for forming a metallic paint film comprising(a) coating on a substrate surface a metallic paint containing as a vehicle component a modified vinyl-type copolymer obtained by copolymerizing 5-75 weight % of cellulose acetate butyrate with 95-25 weight % of a monomeric component consisting of one or more vinyl-type monomers,(b) if necessary, coating a thermosetting resin-type clear topcoating while said coated metallic paint film is in the unhardened state and(c) then baking the paint film.

Abstract: In a foodstuff container of the type comprising a cylindrical body of a laminated sheet and lids closing the opposite ends of the cylindrical body, the laminated sheet is made up of two outer layers made of a thermoplastic resin consisting essentially of a synthetic resin having a melting point higher than 115.degree. C., a paper layer and an aluminum foil. The opposite side edges of the laminated sheet are covered by tape shaped aluminum foils with both surfaces coated with a thermoplastic resin similar to that of the laminated sheet, and one ends of both of the tape shaped aluminum foils are bent back to face the inner surface of the container. The tape shaped aluminum foils and the opposite side edges of the laminated sheet are welded together to form the cylindrical body.

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 pigment-coated paperboard is provided which comprises a paperboard substrate on which there are coextruded a top film of polyethylene terephthalate and an intermediate layer of an acrylic ester copolymer containing from about 1/2 to about 15% pigment particles. Such coated paperboard is particularly suitable for use in containers for food, for book covers, expansion envelopes, business folders and the like. When the pigment is aluminum powder, trays made from the coated paperboard are suitable for use as disposable roller print trays.

Abstract: A structural sandwich laminate formed of thin facings, such as aluminum or fiberglass sheets, bonded to a core panel. The core panel is formed of end-grain balsa wood having an array of holes punched therein, the holes having their centers on the apexes of a diamond, thereby making possible a high concentration of holes with an adequate separation therebetween to define a reticulated balsa core of high strength and exceptionally light weight.

Abstract: A metallized label for containers, coated with a lacquer comprising a resin and 2 to 10 weight % (calculated on the amount of resin in said lacquer) of additives selected from the group consisting of sucrose, mannitol and urea, which do not attack the metal of said label and which are soluble in aqueous caustic soda solution, containing 1.5 weight % of the caustic soda having a temperature of 80.degree. C.

Abstract: The present invention provides a unique solution of the difficult problem in the prior art that no efficient peelable release paper is available for temporarily protecting the sticky surface of the adhesive sheet material, e.g. adhesive tapes, adhesive labels, stickers and the like, from inadvertent sticking to an undesired surface when the sticking agent on the adhesive sheet is a silicone-based one. The inventive adhesive sheet material with temporarily protecting covering sheet is formed by use of a sheet of a hydrophilic material such as cellophane impregnated with water in a water content of at least 10% by weight as the temporarily protecting covering sheet. The thus hydrated protecting covering sheet is peelable with a relatively small peeling force without affecting the sticking power of the sticky surface of the adhesive sheet material.

Abstract: This invention is directed to processable cellulose esters having excellent adhesion to metal substrates and weatherability. These commercially useful cellulose ester compositions can be molded, extruded over metal foils, shaped and otherwise processed in a thermoplastic condition at elevated temperatures to provide products having improved ultraviolet light stability or weatherability and good color stability.

Abstract: A process for forming a metallic paint film comprising(a) coating on a substrate surface a metallic paint containing as a vehicle component a modified vinyl-type copolymer obtained by copolymerizing 5-75 weight % of cellulose acetate butyrate with 95-25 weight % of a monomeric component consisting of one or more vinyl-type monomers,(b) if necessary, coating a thermosetting resin-type clear topcoating while said coated metallic paint film is in the unhardened state and(c) then baking the paint film.

Abstract: The present invention provides room temperature curable epoxy coating compositions prepared by reacting (1) a saturated epoxy resin, (2) a curing amount of a polyamide and (3) a cellulose acetate butyrate in the presence of an organic solvent.

Abstract: The present invention relates to a magnetic recording medium having on a non-magnetic support a magnetic layer comprising a ferromagnetic fine powder in a binder, in which a colloidal silica having a diameter of 7 to 50 m.mu. and methyl groups on the surface thereof is added in a proportion of 2 to 20 parts by weight to 100 parts by weight of the ferromagnetic fine powder during dispersion of the coating composition of the ferromagnetic fine powder.

Abstract: The inclusion of metal particles finely and essentially statistically distributed in an insulating-material body which can be coated with a metal without use of an electric current is described wherein a solution of a reducible metal compound of a metal of Group VIII or Ib is employed. The solution can be added to a resin impregnating solution for the insulating material or to the adhesive of one or more adhesive layers in the insulating material. The solution of metal preferably contains a small amount of ammonium chloride.

Abstract: This invention relates to insulating laminates which consists with several sheets of reinforcements (1) inpregnated with curable resin and layers (2) of cured resin located between each reinforcement. Metal clad laminates is also disclosed which is consisting with reinforcement (1), layers (2) of cured resin and metal foil (5) to be placed on the laminates. Each reinforcements (1) are substantially isolated by the resin layers (2).

Abstract: A laminate having excellent flameproofing and low-smoke development is disclosed. The laminate comprises an urethane modified polyisocyanurate foam as a core material and an aluminum foil or sheet as a surface material piled on at least one surface of the foam through a self-adhesion of the foam and passes Grade 2 incombustibility according to Japanese Industrial Standard (JIS) A-1321 combustion test.

Abstract: A method of metallizing materials by coating a substrate material with a hydrophilic composite material; electrolessly metal plating the hydrophilic composite material with a metal to render the surface conductive; followed by electroplating a metal onto the conductive surface. The method can, for example, be utilized to produce metallized foams, embossing plates for reproduction of grains and textures, and decorative coatings for substrate materials.

Abstract: The present invention provides a heat-sensitive recording sheet which is composed of a support and a heat-sensitive layer formed on said support, said heat-sensitive layer consisting essentially of a color-developable substance and an organic acid substance capable of making said color-developable substance develop a color when heated and containing at least one member selected from the group consisting of condensate of higher fatty acid amide and formaldehyde and condensate of higher fatty acid and ethylene diamine and at least one member selected from the group consisting of vegetable waxes and mineral waxes.

Abstract: A magnetic recording medium excellent in adhesiveness and surface property is produced by a process comprising treating the surface of a plastic substrate by glow discharge, then subjecting the substrate to a surface activating treatment and forming a magnetic metallic plating layer on the surface of the substrate by an electroless plating method.

Abstract: A major surface of a polymeric film such as untreated polypropylene is coated with a release agent which has the capacity to effect a weak, releasable bond with the surface of the polymeric film and a stron, non-releasable bond with the surface of metal, e.g., aluminum, which has been freshly vapor deposited; precipitating a thin, coherent stratum of the desired metal upon the coated surface of the polymeric film by vapor deposition; whereupon are applied simultaneously(1) a layer of a standard laminating adhesive to the stratum of the metal, which is then bonded thereby to the non-metallic substrate by standard laminating techniques; a composite structure having the following configuration is produced as a result: polymeric film/release agent coating/vapor deposited metal stratum/laminating adhesive layer/non-metallic substrate and(2) a coating of the release agent to the free major surface of the polymeric film; from which composite structure the polymeric film is then stripped.

Abstract: An insulating structure or matrix with polygonal cells is formed with flexible partition sheets, each sheet being a laminate including a layer of paper and a layer of metallic foil, the optically reflecting surfaces of adjacent sheets facing in the same direction. Segments of adjacent sheets are joined by adhesive seams and cooperate to define polygonal spaces in a honeycomb-like structure upon expansion of the matrix structure. The matrix is bounded by flanges at its outer surfaces, parallel with the matrix in contracted configuration, for securement of the insulating structure in place upon installation. An alternative embodiment has optically reflective layers at both sides of a paper layer.

Abstract: A method for resurfacing a bowling alley to fill dents and overlie the original wood surface with an oil barrier layer over which is adhesively affixed a high pressure laminate material layer with an external surface having the appearance of the original surface of the alley.

Abstract: Granular detergent compositions comprising an air sensitive material are packaged in a pouch which comprises a reclosable spout structure, the pouch being formed by heat sealing a laminate comprising an outside layer of a high melting point material, an aluminum foil layer, a paper layer, and an inner layer of a low melting material capable of acting as a glue.

Abstract: A thermoplastic resin, a leafing grade aluminum paste, and a solvent are mixed to form a metallic printing ink which is useful for metallizing a wide range of paper stocks by selected conventional printing processes, such as rotogravure printing. The metallic ink can be applied at four pounds per ream (6.5 g/m.sup.2) of dry coating to form a satisfactory moisture barrier, but the ink is similar to paint in that a glossy aluminum finish is produced by leafing of the aluminum particles when the coated paper is heated, as by passing the paper over a heated roll.

Abstract: A process for the metallization of a substrate and the product formed thereby. An extremely thin (substantially less than the wavelength of light) coat of metallic particles is deposited on a transfer agent. A thin coat of varnish is applied to either the substrate or the transfer agent, the substrate and the transfer agent are laminated together and the varnish is cured. The metallic particles will become absorbed within the varnish and the substrate and transfer agent are then separated. The substrate is provided with a highly polished specular metallic finish.

Abstract: A multilayer, metal/organic polymer composite exhibiting high specular reflectivity even after substantial elongation is provided by metallizing a layer of thermoplastic organic polymer such as polystyrene or polycarbonate film with a normally solid soft metal such as indium or an alloy of tin and cadmium. Subsequently the multilayer composite or at least a portion thereof can be stretched or elongated by more than 10 percent in both the longitudinal and traverse directions without losing its initial specular reflectivity. Articles fabricated of the multilayer composite may be structurally reinforced by casting an elastomeric or rigid foam polymer such as polyurethane into a cavity defined by the composite. The multilayer composites are useful in the manufacture of reflective and decorative parts for automobiles and other vehicles of transportation, as well as high barrier packages for foods and electroconductive elements.

Abstract: A chipboard having bonded thereto a sheet metal lamination is disclosed. The sheet metal stretches and contracts in response to dimensional changes in the chipboard without becoming detached therefrom, thereby improving and preserving the strength and integrity of the chipboard. Also disclosed is a method of manufacturing thin laminated chipboard wherein a thermoplastic material, securely connected or bonded to a sheet of non-thermoplastic material, is laminated to the chipboard by contacting the thermoplastic film against the chipboard while applying heat and pressure against the non-thermoplastic material.

Abstract: An insulation material comprised of multiple layers of treated newspaper spaced in relation to one another for use as side wall or ceiling insulation bats and wall board in older homes.

Abstract: In the use of certain metal salts of the hemi-perester of maleic acid as catalysts for the polymerization and curing of ethylenically unsaturated monomers and of methyl methacrylate-containing syrups the addition of an activator such as sodium bisulfite provides a substantial reduction in the curing time. The process is relatively insensitive to the amount of filler used. The salts of maleic hemi-peresters, in combination with the activators, are also useful for polymerizing ethylenically unsaturated monomers.

Abstract: To insulate piping against passage of heat, cold and sound, there are used inter alia preformed insulating sleeves, wrapped glass or rock wool material etc. A continuous sheet-like, flexible covering material in the form of a semi-finished product is used for wrapping round the insulation, said product consisting of a multilayer laminate containing at least two layer groups, the first group forms the outer part of the sheet material when rolled up, and contains a supporting layer consisting of a kraft paper or the like with minor extensibility, and is covered on its outwardly facing surface with a polyethylene layer and similarly on its inner surface with a polyethylene or glue layer while the second group, that forms the inner part of the material when rolled up, contains a layer consisting of a highly extensible paper or the like, which is given a contracting tendency due to its striving to return to its original shape, by being given a high tensional load during manufacture.

Abstract: In the use of certain meal salts of the hemi-perester of maleic acid as catalysts for the polymerization and curing of ethylenically unsaturated monomers and of methyl methacrylate-containing syrups the addition of an activator such as sodium bisulfite provides a substantial reduction in the curing time. The process is relatively insensitive to the amount of filler used. The salts of maleic hemi-peresters, in combination with the activators, are also useful for polymerizing ethylenically unsaturated monomers.

Abstract: A tool or work table for mounting tools such as sabre saws and routers and having a laminated work surface and a universal mounting plate for the saws and routers.

Abstract: A primer composition comprises an oil-free saturated polyester resin, an aminoplast curing agent for the polyester, and a thermoplastic acrylic polymer. The primer is used as a bond coat to adhere an acrylic polymer dispersion topcoat to a metal base.