Abstract: A process is provided for the production of pulped cellulose material, preferably wood fibers, in particular up to a fiber length of 20 mm, with a high proportion of thermocurable resin, the process being suitable, in particular, for the production of fiber-containing moldings. In this process, the thermocurable resin, in aqueous, preferably alkaline solution, is added to a mixture of fiber particles and steam, and the steam is removed from the resin-coated fiber particles in a drier. The steam is removed from the mixture of steam and fiber particles after addition of the resin, and the fiber particles are subsequently dried in a drying stage to a moisture content of less than 12% by weight, in particular 3 to 10% by weight.

Abstract: The growth of algae and algae-like microorganisms on wood surfaces normally in contact with an aqueous system's water may be controlled by applying to the wood a solution of a certain biocidal agent and then flooding the wood with sufficient water to exceed the solubility limit of such agent in the solvent used.

Abstract: Wrap around article (10) for wood preservative treatment of wood poles, posts and the like, including an outside backing sheet (12) which has an inwardly and downwardly folded mounting flap (18) at the upper end thereof. A single or series of generally flat pockets or bags (30) on the inside of which is an absorbant pad (40). Wood preservative solution is added to the bag (30) and held in the pad (40) and the bag is sealed. The bags are attached to the flap (18). When the wrap around article (10) is to be applied, the inside faces of the bags are cut away exposing the pads soaked with the wood preservative. Upon installation the pads (40) contact substantially all of the circumference of the pole and the wood preservative penetrates the pole wood. In another form the pad material (40') is wrapped around the treatment zone, the pad saturated with wood preservative solution and then the backing (12') is secured over the pad.

Abstract: A thermosetting resin decorative laminated sheet faced with a resin-impregnated sheet layer obtained by impregnating a sheetlike material with a resin composition containing an amino resin (I) produced by the reaction of formaldehyde with an amino compound (A) having as an essential component thereof at least one carboguanamine (a) selected from the group consisting of cyclohexanecarboguanamine and norbornanecarboguanamine and curing the resultant impregnated sheetlike material excels in flexibility, crack resistance, light resistance, and chemical resistance. A decorative overlaid plywood enjoying similarly desirable properties is obtained by integrating the aforementioned sheet layer with a substrate.

Abstract: Wood preservatives which are based on a zinc compound and an aliphatic carboxylic acid and additionally contain a polyamine and processes for preserving wood with these preservatives.

Abstract: A process of producing modified wood by impregnating dried wood with a mixed solution composed of phthalic anhydride as a polybasic acid anhydride and epichlorohydrin as an epoxy compound at a mol ratio of 1:1 to 1:30 by dipping the wood in the mixed solution, withdrawing the impregnated wood from the mixed solution, and heating the wood to a temperature of from 60.degree. C. to 180.degree. C. to simultaneously adding phthalic anhydride and epichlorohydrin to the hydroxyl groups of the wood. By the process of this invention, excellent dimensional stability and weather resistance can be imparted to the wood while retaining the properties specific to the wood.

Abstract: Disclosed is a process for making emery boards comprising the steps of providing a substrate selected from the group consisting of wood, cardboard and plastic sheets having first and second surfaces; adhesively applying abrasive paper on at least one surface of said substrate; forming on said abrasive surface a uniform film comprising a lubricant and a humectant selected from the groups consisting of lubricant and humectant polyethylene glycols by applying a film of a solution comprising said lubricant and humectant on said surface and drying said surface, said film being sufficiently thin so as not to impart a greasy feeling to the touch on said emery board nor interfere with the abrasive action of said board; and cutting out emery boards from said surface in the desired shape.

Abstract: A wood-preservative package or bandage is disclosed which comprises: a first flexible sheet; a wood-preservative material having a grease-like consistency arranged in a layer upon said first flexible sheet; a perforated flexible sheet overlying said preservative material and secured to the marginal edge of said first flexible sheet, the perforations in said perforated flexible sheet being of sufficient number and dimension to permit said wood-preservative material to pass through said perforations; and another flexible sheet overlying and secured to said perforated flexible sheet. This wood-preservative package is particularly suitable for treating poles used for supporting telephone lines, power transmission lines and the like that have been held in stock for extended periods of time and for the ground-line treatment of such poles.

Abstract: A wood preservative contains a water-soluble, alkaline copper(II) complex and a water-soluble thiocyanate or iodide and may contain a reducing agent.

Abstract: A liquid injection machine for injecting wood preservative liquid onto railroad ties by injecting liquid through the unused spike hole or holes in a tie plate used to secure a railroad tie to a cross tie. The machine is supported movably on the railroad rails and includes an injection apparatus that can be manually controlled by an operator which allows the operator to inject a liquid through the unused spike holes in a railroad rail tie plate so that the liquid wood preservative will be injected into contact with the surface of the railroad tie beneath the tie plate. The injection apparatus is manually controlled for alignment of an injection nozzle with the unused spike hole and for vertical movement into sealing contact with the unused spike hole so that the wood preservative liquid can be injected under substantial pressure.

Abstract: The present invention relates to structures exhibiting unique appearances resulting from the presence of crinkled chip materials. A reflective and/or nacreous platelet or flake material is intermixed with a plasticizer and a general purpose resin, and the mixture is formed into a reflective sheet. The reflective sheet is pulverized to provide a chip material which is then used alone or in combination with other chips to form a mottle comprising a vinyl chloride resin and a plasticizer. Upon consolidating the mottle into a decorative surface, the nacreous and/or reflective chips are found to surprisingly exhibit an enhanced crinkled appearance, thereby exhibiting unique aesthetic properties.

Abstract: A catholuminescent material consisting essentially of particles of copper-activated zinc sulfide cathodoluminescent phosphor having at least a partial coating of a mixture of a blue pigment of cobalt aluminate and a red pigment of iron oxide wherein the weight ratio of said blue pigment to said red pigment is from about 3.5:1 to about 4.5:1 and the weight percent of said pigments are from about 0.2% to about 2% by weight of catholuminescent phosphor. A process for producing said pigmented phosphor comprises forming the appropriate aqueous slurries by proper pH control and then by the addition of collodial silica, the pigment is coated onto the phosphor particles.

Abstract: A novel stable, homogeneous aqueous solution for application to wood surfaces is provided herein. The aqueous solution consists essentially of creosote, a conventional inorganic wood preservative component, ammonia and an oil. The oil and the creosote are present in specified proportions in the aqueous solution. When the solution is applied to wood, and the wood dried, a creosote-treated wood surface which may be painted is provided.

Abstract: A decorative panel and process for producing the same are provided. The panel includes a wood base substrate to which an ink imprinted decorative paper is adhered. An isocyanate solution is applied to the decorative paper and is allowed to penetrate into the paper to fortify the inks and paper. The partially completed panel then is subjected to drying to remove the solvent used to transport the isocyanate into the paper. A top coat of a photo-curable material then is applied to the panel, and the panel is subjected to appropriate radiation for curing the top coat.

Abstract: Non-blooming fire retardant compositions are disclosed comprising an ammonium phosphate-containing fire retardant and an effective amount of boric acid or an alkali metal borate. The ammonium phosphate-containing fire retardant preferably comprises the reaction mixture of aqueous phosphoric acid and an alkylene oxide. Preferably, the boric acid or alkali metal borate is present in an amount of from about 2.5% to about 12% by weight of solids in the phosphate-containing fire retardant. Such compositions are less susceptible to exudation of the fire retardant from treated wood panels during drying of the panels at elevated temperatures, and are particularly suitable for use in continuous treatment processes.

Abstract: A conductive pretreatment solution is disclosed which renders dried wood electrostatically coatable through several coatings while minimizing contamination of the topcoat. The pretreatment solution comprises a volatile liquid carrier selected from water and organic solvents, the carrier having dissolved therein, per 100 parts by volume of total solution, (1) from 0.2 to 3 parts by volume of an organic quaternary ammonium compound having a molecular weight below about 1000, (2) from 0.2 to 10 parts by volume of a low volatile liquid polyol having a molecular weight below about 400, and (3) from 0.1 to 3 parts by weight of an inorganic ionizable salt having a capacity to absorb moisture, especially chlorides of a cation selected from the group consisting of ammonium, magnesium and calcium.

Abstract: The invention is concerned with novel dithioketal derivatives of 1-(2-aryl-2-oxoethyl)-1H-imidazoles and sulfones and sulfoxides derived therefrom, said compounds being useful as antimicrobial agents.

Abstract: There is disclosed a method of coating combustible material such as wood, plywood, shingles and the like with a flameproofing composition. The method employs a flame coating composition which is a mixture of a thermoplastic, ambient-temperature, film former such as a polyvinyl acrylic acetate latex, and alumina trihydrate and glass fibers. The ambient temperature film former is a conventional latex used for coating compositions and should have the property of softening at or below the dehydration temperature of alumina trihydrate (about 280 degrees F.) and be capable of forming a stable foam at such temperatures. The alumina, which comprises the major portion of the coating composition, dehydrates when subjected to flame temperatures and the water vapor released from the alumina forms a stable foam.

Abstract: A wet-felted mat of wood fibers is acetylated by coating the mat with a quantity of acetic anhydride ranging from 5 to 70% by volume of the mat and heating the mat at a temperature of from 150.degree. to 300.degree. F. while confining substantially all of the acetic anhydride within the mat for about 20 to 120 minutes. The acetylated mat is pressed into hardboard which may be bent into a variety of loops, spirals, helices, and other curvilinear shapes to make articles of furniture, protective packaging products and the like.

Abstract: A fire retarding composition is disclosed which is made from a reaction mixture of aqueous phosphoric acid and an alkylene oxide, wherein the weight ratio of oxide to acid reactants is within the range of about 0.01:1 to about 0.25:1. The composition produces improved fire retardancy when used to treat cellulosic material.

Abstract: This invention relates to new and improved chlorinated phenol water soluble wood treating compositions and methods for preservation of wood or products made from wood. In the general practice of this invention, wooden objects are treated with water soluble wood treating and preserving solutions consisting of blends of from 0.1% to about 50% by weight of a chlorophenol selected from a group consisting of pentachlorophenol and tetrachlorophenol and mixtures thereof, from about 1% to about 97% by weight aliphatic alcohols having from 1 to 6 carbon atoms and mixtures thereof, from about 0.2% to about 35% of a fatty acid amine oxide or a mixture of fatty acid amine oxides and other amines, and from about 1% to about 97% by weight water.

Abstract: A chemical mixture containing 40% by weight of sugar in water, approximately 0.4% by weight of a shading agent such as strontium nitrate and approximately 0.06% by weight of a stabilizing agent such as potassium chromate is applied to the surface of hard rock maple or print grade maple veneer. When the surface of the wood is subjected to heat in the range of 100.degree. F. to 900.degree. F. and pressure in the range of 5 psi to 2000 psi the color of wood is charged substantially to approach the reddish color of cherry. The degree of color is varied by adjusting the temperature or amount of shading agent. When an embossing step is to be performed on the wood, the chemical coloring mixture is applied to the surface of the wood and the two steps (embossing and staining) are carried out simultaneously.

Abstract: Synergistic fire retardants for wood and other cellulosic materials which are substantially non-hygroscopic and which do not require high curing temperatures in the material treated are formed of the partial reaction product of dicyandiamide, phosphoric acid, boric acid and water wherein the combined weight ratio of dicyandiamide and phosphoric acid to boric acid is from about 60 to about 40 to from about 90 to about 10.

Abstract: Disclosed is a method of preparing modified wood, comprising the successive steps of impregnating a wood in two stages, using phenolic alcohols at the first stage and fire retardants at the second stage, drying it, and heat treating to obtain the end product, with the heat treatment performed, in one of the embodiments, in a hydrophilic heat transfer fluid.

Abstract: A method of treating a surface, e.g. carpet, gramophone record, to reduce the static charging thereon which comprises applying a novel antistatic composition comprising a fluorinated anionic surfactant which is an amine salt of an acid containing a fluorinated organic radical and an antistatic agent which is an ionic salt of an amine, preferably in alcoholic solution.

Abstract: This disclosure relates to a method of increasing the water-repellant properties of a material by treating the surface of the material with a water-repellant agent of the formula ##STR1## wherein R is C.sub.12 -C.sub.22 alkyl.

Abstract: Impregnated wood containing a polymer which is produced in the wood from the polymerization of a monomer and/or prepolymer having aliphatic multiple bonds and crosslinked organopolysiloxanes.The polymer impregnated wood is prepared by impregnating the wood with a mixture containing a monomer and/or prepolymer containing aliphatic multiple bonds which is capable of free radical polymerization and a crosslinkable organopolysiloxane and thereafter the monomer and/or prepolymer is polymerized and the organopolysiloxane is crosslinked in the wood.

Abstract: This building component includes a peripheral sidewall and upper and lower walls forming a casing; a core of shredded waste material and an exterior plastic skin covering the casing. The method of making the component includes the steps of filling a peripheral form with shredded waste material, closing the form at the upper and lower ends incorporating it into the component by applying a reinforced plastic binder over the closed form. A modified component has a rectangular casing formed from structural members and is provided with a braced interior core.

Abstract: A process for the treatment of wood is disclosed in which water-borne wood treatment materials, such as CCA salts, are forced into the wood under pressure and the water-borne wood treatment materials are held within the wood under pressure until they are deposited as by precipitation or chemical affixation. The precipitation or chemical affixation step is conducted at elevated temperatures. The elevated temperatures may be established by heating the wood treatment materials while they are in contact with the wood, by draining the wood treatment materials from external contact with the wood, while maintaining a sufficient pressure to prevent kickback and heating the wood as by steaming or by submerging the wood in a heated aqueous bath. If a heated aqueous bath is used it may advantageously contain additional wood treatment materials such as wood-softening agents, antichecking agents, filmformers, coloring agents, dimensional stabilizers, flame-retardants, antistatic agents and the like.

Abstract: Fungicidal compositions comprising at least one organometallic compound of aluminum and/or boron, at least one divalent metal and at least one carboxylic acid group. The compositions are useful in preserving timber.

Abstract: An improved method for the preservation of hardwood by treatment thereof with a preservation solution is disclosed. The wood is treated with a preservative solution which is not readily fixed and is then kept in an undried condition for a period of time sufficient to allow the preservative solution to penetrate the wood and diffuse through the cell walls of the wood without fixation thereof. The wood is then dried so as to fix the preservative. Enhanced periods of preservation effectiveness are thus obtained.

Abstract: This invention concerns non-porous, polymeric articles having active properties, and methods for producing such articles. Plastic, rubber, or other natural and synthetic polymeric articles are provided with active chemical and/or physical properties, such as, antibacterial, antifungal, pesticidal, insecticidal, animal repellent, odorous, antistatic, electrically conductive or other properties or combinations of properties, by applying to a surface of the article selected activating agents which are capable of migrating or moving throughout the body of the article to impart an effective level of activity throughout the article and/or on a surface other than the one to which the activating agents have been applied.

Abstract: An anti-blooming flame retarder consisting essentially of a water-soluble flame retardant agent and a water-soluble polymer, which is particularly suited for use in treating improved woods such as fiber-boards and plywoods. The improved woods are treated with the anti-blooming flame retarder and heat-treated.

Abstract: Prepolymerized resins are applied to wooden articles to coat them and impart a tough and abrasive resistant surface which protects the articles from deterioration and delamination due to shock, impact and abrasive forces. The resins are applied by contacting the articles with a prepolymerized resin which has been dissolved in a readily vaporizable solvent to form a resin solution, coating the article with the resin solution, vaporizing the solvent from the resin coating and drying the resin coating. The coated articles find particular utility in high shock and impact uses such as hockey stick blades.

Abstract: The present invention relates to a method for manufacturing an insulating element, floor element, etc., consisting of bark pieces joined together by a glue material. The bark pieces, which have a piece size of preferably 8-30 mm.sup.3, are coated with a thin layer of the glue material and, after moulding and during pressing to desired element dimension, are heated and fixed by high-frequency energy fed into the element.

Abstract: Reconsolidated wood product and process and apparatus for forming the product, the product being formed from webs of splintered natural wood broken down by crushing or like processes, the webs being consolidated by compression and bonded with an adhesive.

Abstract: This specification describes a method for making a cellulosic material fire-resistant. The material is well dried and then impregnated with an aqueous solution containing phosphoric acid and ammonium sulphate and/or ammonium phosphate. The solution may also contain borax, trisodiumphosphate, ammonia, sodium carbonate, and sodium chloride. The method is particularly suited for treating sawdust in the manufacturing of chipboards. After impregnating the dry sawdust with the solution under stirring the material is dried once more and glue is applied whereupon chipboards are formed from the composite material.

Abstract: A process for inhibiting the staining of film-forming finishes applied to a tannin-containing wood substrate comprises applying to the wood substrate, prior to or concurrently with the surface film, an aqueous formulation containing a stain-inhibiting amount of magnesium hydroxide having a high surface area, thereby forming a leach-resistant magnesium hydroxide-tannin complex.

Abstract: A process for treating wood consisting of boiling the wood in a solution containing alkylamine and then transferring the boiled wood to an autoclave where an alkylamine permeating solution is forced into the wood under the conditions of pressure and heat. The wood is then dehydrated under reduced pressure and is then air dried.

Abstract: A cellulosic substrate is coated by applying a polyurethane adhesive thereto, drying the adhesive, coating the adhesive with an ultraviolet curable solid polyacrylate resin and then curing the composite structure with ultraviolet rays.

Abstract: A weatherable coating composition, especially for imparting abrasion resistance to thermoplastic substrates, comprising about 30-50 parts by weight of a colloidal silica and about 50 to 70 parts by weight of a mixture of (i) dialkyldialkoxysilane and (ii) alkyl trialkoxysilane wherein the weight ratio of (i) to (ii) is about 1:19 to about 1:4. A method of applying the coating composition to a substrate and coated articles are also disclosed.

Abstract: Triorganotin compounds of hydroxydiazenium oxides having a good fungicidal action, fungicides containing these compounds, and processes for their manufacture by reacting a triorganotin halide with a sodium or potassium salt of an N'-hydroxydiazenium oxide or with the N'-hydroxydiazenium oxide in the presence of an acid binder.

Abstract: An effective amount of a vinylbenzyltrialkyl ammonium salt, prepared from a vinylbenzyl halide and a tertiary amine, is polymerized with various other monomers to afford stable latex polymers which have the latex stabilizing surfactant incorporated into the polymer backbone. The use of a vinylbenzyltrialkyl ammonium salt lessens or avoids the usual problems associated with the conventional anionic, nonionic or cationic emulsifiers employed in aqueous polymerizations, that is, the latex stabilizing surfactant incorporated into the polymer backbone is the sole emulsifier. The copolymers prepared with the quaternary ammonium compounds are useful as sizing agents, as extender/binders for cationic water repellents; in addition, the polymers are depositable on pulp without requiring any deposition aids or defoamers.

Abstract: Paper, cotton cloth, wood, fiberboard, and other cellulosic products are first treated with an organic base and then treated with a halosilane. This results in the formation of an amine/silane complex within the cellulose fibers as well as on the surface of the cellulosic product. This treatment imparts oil and water repellency, adhesive properties, and dimensional stability to cellulosic products.

Abstract: The application discloses a mixture of high molecular weight hard resins, such as polymethyl methacrylate, cellulose acetate butyrate and cellulose nitrate with low molecular weight benzoic acid terminated polyesters having a glass transition temperature in the range of -30.degree. C. to 40.degree. C. and a molecular weight in the range of 500 to 1500. The hard polyesters of this invention are obtained by the use of small diols and hard dibasic acids in addition to termination of the chain by the hardening component benzoic acid. Saturated linear dicarboxylic acids are used for less than half of the acid monomer content, on a molar basis, since these are softening components. The polyesters are used to lower the melting point and improve the flow of the high molecular weight polymers without excessively plasticizing these high molecular weight polymers to the point where they are noticeably softened at use temperatures.

Abstract: Stable cellulosic products containing releasable flavorant are described. These products are produced by impregnating a dry cellulosic substrate with an essentially anhydrous ammonia solution of a volatile flavorant and then subjecting the impregnated substrate to conditions of temperature and pressure sufficient to effect evaporation of essentially all of the impregnated solvent.

Abstract: To simulate the appearance of weathered wood, newer wood is treated with a compound that includes the combination of a first part of an oil-type carrier, a second part of rotten stone and a third part of wax. A surface of the wood is first subjected to a blackening procedure as by burning or dipping in a suitable stain. The surface is then treated with the compound. Thereafter, highlights are developed in the surface by scraping and/or buffing. A somewhat less-aged look also is obtained by suitably staining rough-sawed lumber.

Abstract: A technique is provided for employing an aqueous solution to treat a cellulosic or other substrate with a water-insoluble preservative such as a polychlorophenol and the like. The treatment solution is formed of water, a soluble polychlorophenate, and a suitable acid-former which, after a predetermined delay interval sufficient to allow adequate treatment with the polychlorophenate, progressively effects in in situ precipitation of the insoluble polychlorophenol on the substrate to be protected. The extent of the delay interval, as well as the extent of the precipitation time, may be regulated as a function of temperature, the excess alkalinity of the treatment solution, and the particular acid-former employed.

Abstract: A herbicidal and fungicidal composition which comprises as an active ingredient a pyridyltriazinone compound of the formula: ##STR1## wherein R is a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxycarbonylmethyl group whose alkoxy has 1 to 3 carbon atoms or a phenyl group.

Abstract: This invention relates to a method of impregnating wood with boric acid or boron oxide. In particular it relates to a method of introducing boric acid into wood products by application thereto of boric acid esters of alcohols and thereafter hydrolyzing the esters to deposit boric acid within the wood product.