Abstract: A waferboard having at least one surface rendered water resistant and stabilized against wafer loss is disclosed. In the past heavy paper overlays have been used on panel surfaces. However, these paper overlays are specially treated non-porous paper and generally have to be specially applied by the addition of a glue. The waferboard of the present invention is formed of wood wafers bonded together in a hot press with adhesive resin and wax, and having a layer of porous paper bonded in the hot press to at least one surface of the waferboard. In one embodiment, the contours of the wood wafers on the surface of the waferboard are transmitted through the layer of porous paper.

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: A composite film comprising a polypropylene basis film being laminated at least on one surface with a layer combination of a heat sealable layer with an additive combination, an adhesion promotion layer, a gas-barrier layer, and an adhesion promotion layer and optionally a further heat sealable layer.

Abstract: A thin insulating sheet comprises an associated mica sheet containing 1 to 9 wt. % of a polymer fibril which is melt-bonded to a polymer film or a porous polymer sheet.

Abstract: A thin insulating sheet comprises an associated mica sheet containing 1 to 9 wt. % of a polymer fibril which is melt-bonded to a polymer film or a porous polymer sheet and impregnated with a resin in a prepreg form.

Abstract: In a laminated multilayer structure composed of (A) a layer of a graft-modified ethylene resin grafted with an unsaturated carboxylic acid or a functional derivative thereof and (B) an oxygen- or nitrogen-containing polar resin layer or a metal layer in contact with the layer (A); the improvement wherein (1) the layer (A) consists of (i) 1 to 100% by weight of said graft-modified ethylene resin derived from an ethylene polymer which contains 0 to 15 mole % of at least one alpha-olefin having 3 to 30 carbon atoms as a comonomer and has an MI.sub.2 /[.eta.].sup.-8.77 ratio in absolute value of not less than 15 and a density of 0.88 to 0.98 g/cm.sup.3, and (ii) 99 to 0% by weight of an unmodified ethylene polymer containing 0 to 50 mole % of at least one alpha-olefin having 3 to 30 carbon atoms as a comonomer and having an MI.sub.2 /[.eta.].sup.-8.77 ratio in absolute value of not less than 15 and a density of 0.86 to 0.96 g/cm.sup.

Abstract: A plastic article in which a semi-cured or cured product of a curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of said cyanate esters, coprepolymers of said cyanate esters and an amine and mixtures thereof, (b) at least one diene-type rubber and optionally (c) at least one compound selected from the group consisting of polyfunctional maleimides, prepolymers of the maleimides or coprepolymers of the maleimides and an amine is formed on a plastic substrate is disclosed.

Abstract: A substrate of either metal or plastic which is coated with a crater resistant enamel coating composition is used for the exterior of trucks and automobiles; the binder of the coating composition is a blend of(A) an acrylic polymer having hydroxy groups and contains about 0.1-10% by weight of a polymerized perfluoro carbon constituent of the formula ##STR1## where R is H or CH.sub.3, R.sup.1 is alkyl, R.sup.2 is perfluoro alkyl and n is 0 or 1 and(B) an aminoplast crosslinking agent such as an alkylated melamine formaldehyde resin;The composition is applied and baked by conventional techniques, to form a finish on the substrate that has an excellent appearance.

Abstract: For use in a stringed apparatus, such as a tennis racket, a synthetic string having a cross-sectional diameter between about 0.025 and about 0.08 inch and comprising a plurality of fused, entwined filaments which are composed of a polyamide, such as nylon, impregnated with from about 0.05 to about 2.0 weight percent graphite particles having cross-sectional diameters ranging from about 0.1 to about 2.0 microns. To make the string, polyamide is heated to a temperature between about 300.degree. and 550.degree. F., preferably between about 450.degree. and 500.degree. F., mixed with graphite particles present at a concentration sufficient to promote cross-linkage of the polyamide substantially in the absence of cleavage, filtered, nozzle extruded into filaments, cooled, prestressed, and then fused into a string. A string having a cross-sectional diameter between about 0.05 and 0.06 inch exhibits a tensile strength greater than about 60,000 psi, modulus of elasticity less than about 0.3.times.10.sup.

Abstract: In a plastic coated with metal evaporated film comprising a primary coated layer, a golden evaporated film layer and a last coated layer constituted on the surface of a plastic substratum in the order from the bottom, golden evaporated film layer is made the of Cu - Al - Sn alloy or Cu - Zn - Sn alloy mainly composed of Cu and applicable to trim of automobiles, living apparatus and effects as decorative members.

Abstract: A coextruded thermoplastic sheet, with high peel strength and suitable for thermoforming into a container, the sheet including a layer of acrylonitrile-methyl acrylate copolymer to act as a gas barrier and provide rigidity, thermoformability and printability, a structural layer of polyolefin to provide a moisture barrier and chemical resistance, and an intermediate tie layer of a radial butadiene/styrene teleblock copolymer to provide a strong bond between the acrylonitrile-methyl acrylate copolymer and polyolefin notwithstanding the differences in tendencies to shrink between the two materials.

Abstract: Disclosed is a low-temperature shrinkage multilayered film incorporating a gas barrier layer formed of a vinylidene chloride type resin. This film exhibits low-temperature shrinkage properties (shrinkage and shrink tension), low-temperature toughness, seal strength properties (seal resistance to oil, seal resistance to heat and drop-bag seal strength at low-temperatures), gas barrier property, transparency after heating, resistance to layer delamination, airtightness in clipped state and gloss invariably at high levels.

Abstract: A method of protecting submerged articles from fouling by applying a surface pellicle of a coating substance containing an anti-fouling amount of an organo metallic composition comprising a main chain consisting of a chlorinated polymer of a conjugated diene monomer such, for example, as a chlorinated polybutadiene of high 1, 2 units content, and at least one grafted chain formed at least partly of recurrent units having a pendant organotin group or tin salt function.

Abstract: A method for the treatment of wood by a wood preserving agent in a liquid or paste-like form, to be positioned (inserted) in a recess in the wood, which recess is subsequently sealed off.The wood preserving agent contains a water-expelling agent, a water-repellent agent and a biocide.

Abstract: A flexible film laminate and retortable pouch therefrom comprising a first layer of heat-sealable polyolefin film; a first adhesive layer contacting said polyolefin film, said first adhesive being a maleic acid anhydride adduct of an ethylene-propylene copolymer; a second adhesive layer contacting said first adhesive layer, said second adhesive being a combination of a styrene-butadiene block copolymer and a random terpolymer, said second adhesive also contacting; a second layer of a polyacrylonitrile homopolymer film; said laminate having been subjected to ultra violet radiation through said second layer to an extent resulting in a greater bond strength between layers than in the absence of said radiation.

Abstract: Substrate of glass or other mineral material covered with a coating of SnO.sub.2 whose electrical conductivity, transparency in the visible spectrum and thermal reflectivity are very high.This coating is obtained by the technique of vapor phase chemical deposition (CVD), by reacting a volatile tin compound with water vapor in the presence of hydrogen, on the heated substrate surface. The reaction mixture may also include HF.The coated substrate is suitable for electrically heated glazing.

Abstract: A laminated packaging material suitable for use in packaging products in pouch form, comprises (A) as an outer surface, a substrate of paper or film which may be printed and/or primed; (B) an adhesive layer, (C) a metallic foil, preferably aluminum, (D) an optional primer, (E) a barrier coextruded layer comprised of two or three-layer combinations of ethylene-methyl acrylate copolymer and polyester, and (F) an optional polyolefin film layer. Pouches prepared from this packaging material provide a chemical barrier between the foil and the product contained therein and are especially useful where the foil needs to be protected from the product.

Abstract: A four composition acrylate particle optimizes four sequence formulations: (1) beginning with a cross-linked elastomer core upon which (2) a successive layer of a principal quantity of cross-linked elastomer, which includes a graft-linking component, is polymerized, which in turn is (3) protectively encapsulated by a successively polymerized shell, which also includes a graft-linking component, and in turn is coated by (4) a final transition coating. The particle is chemically bonded into a unit and provides a radially graduated transition between the significantly different properties of the principal elastomer in the particle and the transition coating which is adapted in composition to a matrix system with which the particles may be blended.

Abstract: An absorbent body for collecting blood, faeces and urine contains a water-soluble copper salt which impedes bacterial growth, prevents the breaking-down of urea into ammonia and complex-binds ammonia so as to prevent the occurrence of unpleasant odor. Preferably copper acetate is used, in which even the acetate ion has germicidal effect.

Abstract: A humidity sensor as well as a humidity detection circuit are disclosed, the former employing a humidity sensitive material the electric resistance of which varies in response to the variance of humidity in an atmosphere and the latter employing such humidity sensitive material. The humidity sensor comprises a base plate made of alumina or the like with a humidity sensitive material formed on the base plate so as to form a film of a high molecular polymer unit which contains a reactive cationic monomer unit, is capable of detecting humidity over a wide range, shows little variance in nature in a high humidity atmosphere of organic gas, and has a long life. The humidity detection circuit comprises an oscillation circuit, a pair of electrodes which are connected by means of the humidity snesor and to one of which is supplied the output of the oscillation circuit as an input, and an amplifier circuit which is connected to the other one of the pair of electrodes.