Abstract: A method may include placing a bottom facer on a conveyor, placing a core layer on the bottom facer placing a top facer on the core layer, and pressing the bottom facer, the core layer, and the top facer in a hot press to form a panel, wherein the hot press causes the bottom facer to shrink relative to the top facer, introducing a warp into the panel such that, when installed, the warp compensates for an installation warp and the panel is flat upon installation.

Abstract: The present invention relates to a heat-curable composition comprising at least one epoxy monomer comprising two or three epoxy groups, which is not a hydrolysis-polymerizable silicon compound, at least one epoxy compound bearing at least one silicon atom having at least one hydrolyzable group directly linked to the silicon atom and at least one epoxy group, and at least one epoxy ring-opening catalyst. The composition comprises at least 50% by weight of compounds having at least one epoxy group, relative to the total weight of polymerizable compounds present in the composition and provides upon pre-curing a tack-free coating that can be removed by treatment with a solution of sodium hydroxide, and upon post-curing a coating that cannot be removed by treatment with a solution of sodium hydroxide.

Abstract: An insert may include a base member and a resin layer located on the base member. The base member may include a first surface, a second surface, and a cutting edge. The first surface includes a rake surface region. The second surface may be adjacent to the first surface and includes a flank surface region. The cutting edge may be located in at least a part of a ridge line at which the first surface intersects with the second surface. The resin layer may not be located on the second surface but may be located on the first surface.

Abstract: The present invention relates to a method for producing a laminate having a backing sheet and a decorative paper arranged on the backing sheet, including the steps of: a) providing the backing sheet, b) scattering at least one layer of at least one powdered resin onto at least one side of the backing sheet, the surface of the side of the backing sheet that is to be scattered with the powdered resin being unsmoothed, c) placing at least one decorative paper onto the side of the backing sheet that is provided with the powdered resin, and d) pressing the layered structure including the backing sheet, the powdered resin and the decorative paper. The present invention likewise relates to a laminate that can be produced by this method.

Abstract: A wallboard panel which comprises a paper cover sheet comprising microfibrillated cellulose (MFC). A paper cover sheet comprising MFC. A paper stock composition comprising MFC and methods for making a multi-ply paper cover sheet comprising MFC. Methods for making a wallboard panel comprising a paper cover sheet comprising MFC.

Abstract: The wet friction material of the present invention is obtained by impregnating a friction base material with a bonding resin composition comprising a resol phenolic resin and a maleinized drying oil and curing the resulting material. The maleinized drying oil is obtained by reacting a drying oil such as tung oil or linseed oil with anhydrous maleic acid. The content thereof is preferably 50 to 250 parts by weight, based on 100 parts by weight of the resol phenolic resin. The wet friction material of the present invention has a high static friction coefficient and excellent durability.

Abstract: The disclosure provides a paper laminate comprising a décor paper prepared from a dispersion having improved optical performance without negatively impacting mechanical strength, wherein the dispersion comprises a TiO2 particle slurry comprising a treated TiO2 particle having a surface area of at least about 30 m2/g, and a cationic polymer; wherein the treatment comprises an oxide of silicon, aluminum, phosphorus or mixtures thereof; and the treatment is present in the amount of at least 15% based on the total weight of the treated titanium dioxide particle; paper pulp; and a cationic polymer; wherein the cationic polymer in the slurry and the cationic polymer in the dispersion are compatible; wherein for equal optical performance, the amount of treated TiO2 particle in the dispersion is reduced by about 10% when compared to a dispersion not comprising the treated TiO2 particle of (a).

Abstract: A method of producing a building panel (1), including: providing a core (2), applying a balancing layer (6) having a first moisture content on a first surface (3) of the core (2), the balancing layer (6) comprising a sheet impregnated with a thermosetting binder, applying a surface layer (12) having a second moisture content on a second surface (4) of the core (2), the surface layer (12) comprising a thermosetting binder, adjusting the first moisture content of the balancing layer (6) such that the first moisture content of the balancing layer (6) is higher than the second moisture content of the surface layer (12) prior to curing, and curing the surface layer (12) and the balancing layer (6) by applying heat and pressure. Also, a semi-finished product adapted to be cured for forming a building panel (1).

Abstract: Bio-degradable, high-barrier packaging materials and methods for production are provided. The present high-barrier packaging materials include a substrate having a print side and a back side, a coating having nano pigments on the print side and a metalized film applied to the back side with a binding layer. Preferably, at least one of the metalized film and the binding layer includes polylactic acid. Moreover, the back side preferably also includes a polylactic acid heat seal layer.

Abstract: A multilayer thermal insulation composite for fire protection applications. The composite includes a fibrous insulation layer, at least one inorganic heat absorbing layer disposed on one side of the fibrous insulation layer, and at least one superinsulation layer disposed on at least one side of the composite adjacent the heat absorbing layer or the fibrous insulation layer. The composite may further include a scrim layer comprising a high temperature resistant, flexible, woven or non-woven scrim or scrim and high temperature resistant material disposed around the multilayer thermal insulation composite partially or substantially totally encapsulating the composite. The composite is lightweight and flexible, exhibits reduced heat transfer to the cold-face, with improved thermal insulation capability.

Abstract: The invention, provides a curable, formaldehyde free coating composition comprising a composition comprising a polyacid copolymer crosslinked with a hydroxyl group-containing compound and calcium aluminosilicate powder, panels coated with the coating composition, and a method of coating a panel with the coating composition.

Abstract: A method of preparing a surface-treated cellulosic substrate, the method comprising applying a surface treatment composition to a cellulosic substrate, the composition being prepared by a method comprising the steps of introducing a source of boron, a crosslinking di-aldehyde, and a blocking agent to form a crosslinking composition; introducing the crosslinking solution with starch and optionally pigments and/or optionally polymeric particles to form the composition.

Abstract: The present invention relates to an acoustical tile that includes a core and a surface treatment. The surface treatment comprises a formaldehyde-free latex binder, the binder including at least one formaldehyde-free biocide. The present invention also provides a process of manufacturing an acoustical tile.

Abstract: Resilient flooring materials made from impregnated papers or foils and core materials are provided. As well, the methods for producing such products are provided. In particular, panels, with a layered structure, created by forming an assembly which consists of laminating a heat-activated resin impregnated decorative layer with printed graphics or a wood veneer decorative layer, a core material made up of one or more heat-activated resin-impregnated papers or other materials including linoleum, natural or synthetic rubber, cork, flexible natural fiber composites or other core materials, and a heat-activated resin impregnated paper backing layer. The heat-activated resin also acts to waterproof each of the layers and abrasion particles may be incorporated to improve wear properties. The panels may also be formed into three-dimensional products.

Abstract: The invention provides the art with an adhesive that may advantageously be used in the manufacture of water resistant paperboard products, such as laminated board and corrugated board. The adhesive has the required tack, water resistance and viscosity that allows its use at commercial speeds in a cold corrugating process.

Abstract: A system and method for the continuous production of an aqueous amino formaldehyde resin solution including the steps of (a) preparing a reaction mixture of an amino compound and an aqueous formaldehyde, (b) adding a catalyst to the reaction mixture, (c) condensation reacting the reaction mixture in the presence of the catalyst in a continuous plug flow, wherein in step (a) the amino compound and the formaldehyde are added as a concentrated aqueous solution or as a solid to a total solid content in the reaction mixture of 40-85 wt % (dry weight relative to the total weight of the reaction mixture), and in step (b) the catalyst is continuously added and finely dispersed into the reaction mixture through one or more addition points and optionally adding an amount of amino compound after condensation and/or removing water to reach a higher solid content.

Abstract: Resin compositions (A) and (B) are described: wherein resin composition (A) comprises a naturally occurring component or derivative thereof comprising protein, an aromatic hydroxyl compound-aldehyde resin and an amino resin, wherein the naturally occurring component or derivative thereof is chemically bound to the aromatic hydroxyl compound-aldehyde resin to form an ncPF resin and the naturally occurring component or derivative thereof is optionally chemically bound to the amino resin; wherein resin composition (B) comprises a condensation product of a naturally occurring component or derivative thereof, an aromatic hydroxyl compound-aldehyde resin and at least 20 wt % of urea based on the total mass of the resin composition, wherein at least 50 wt % of the naturally occurring component or derivative thereof is chemically bound directly or indirectly to the aromatic hydroxyl compound-aldehyde resin (ncPF), and wherein the naturally occurring component or derivative thereof comprises protein.

Abstract: A derived timber board with a surface coating applied at least in parts is characterized in that at least one coating of a synthetic resin reinforced with fibers is applied as a surface coating. A method for applying the coating is also described.

Abstract: This invention relates to a process for preparing sized paper and paperboard which incorporates in the paper and paperboard at the size press size a composition comprising one or more “hydrophobic polymers” wherein hydrophobic polymers, the amount of such polymers and the weight ratio of starch to such polymer in the composition are selected such that the paper and paper board exhibits a Cobb Value equal to or less than about 25 and to a sized paper or paperboard web formed by the process.

Abstract: The invention relates to a veneered panel (1) having a supporting panel (2) and a veneer which is joined to at least one surface of the supporting panel (2). An overlay (4) is provided on the side of the veneer (3) facing away from the supporting plate.

Abstract: The invention relates to a paper and panels made therefrom for flooring.

Abstract: A pre-finished, moisture resistant and durable building material is provided. In one embodiment the building material includes a fiber cement substrate having a first side and a second side, at least one resin impregnated paper over at least one of the first and second sides, and a stress-relieving polymeric film between the fiber cement substrate and the at least one resin impregnated paper, the polymer film acting as a stress relaxer between the fiber cement substrate and the at least one resin impregnated paper. In another embodiment, a stress-relieving polymeric coating or film is provided between resin penetrated sheets and a substrate. In another embodiment, a process for bonding the resin penetrated sheets to the substrate is provided.

Abstract: The invention relates to an abrasion-resistant decorative sheet (1), in particular an overlay for the production of a laminate floor or of an abrasion-resistant furniture surface, comprising a paper layer (3) provided on one side with a print layer (2), comprising an impregnation (3a) formed from a first plastic mixture and comprising a layer (4) which is formed from a second plastic mixture and contains particulate abrasion-reducing material. In order to provide such a decorative sheet (1) which meets the high requirements in line with standards with regard to its abrasion resistance and permits a high-quality and clear printed image and has an appealing optical impression or an optical special effect, such as a metallic or nacreous appearance, it is proposed to apply the layer (4) formed from the second plastic mixture and containing particulate abrasion-reducing material to that side of the paper layer (3) which is opposite the print layer (2).

Abstract: This invention relates to a process for preparing sized paper and paperboard which incorporates in the paper and paperboard at the size press size a composition comprising one or more “hydrophobic polymers” wherein hydrophobic polymers, the amount of such polymers and the weight ratio of starch to such polymer in the composition are selected such that the paper and paper board exhibits a Cobb Value equal to or less than about 25 and to a sized paper or paperboard web formed by the process.

Abstract: A multilayered board including a material board having a visible surface coated with at least one paper layer impregnated with resin. The multilayered board includes a material board, at least one paper layer structured to coat the material board, and a resin layer structured to impregnate the at least one paper layer, wherein the resin layer is arranged to face away from the material board and have an average layer thickness of at least 5 ?m.

Abstract: A fire-blocking paper (22, 52) is adapted for incorporation into a fire-barrier film laminate (16, 46) for use in thermal and acoustical insulation systems (10, 40), such as, but not limited to, those used in commercial aircraft. The fire-blocking inorganic fiber paper (22, 52) can be laminated to a flame resistant film (24a, 24b, 54a, 54b). The fire-blocking paper (22, 52) may include inorganic bio-soluble fiber, chopped glass non-respirable fibers, organic reinforcing fibers, organic binder, and inorganic binder or filler; and, optionally or refractory ceramic fibers.

Abstract: An object of the present invention is to provide a photocatalytic powder containing titanium dioxide fine particles containing an anionically active substance, where the electrokinetic potential of the fine particle is from about ?100 to 0 mV in an aqueous environment at pH 5. Another object of the present invention is to provide a photocatalytic slurry containing the powder, and a polymer composition, a coating agent, a photocatalytic functional molded article and a photocatalytic functional structure using the powder.

Abstract: A decorative laminate includes a core layer, a decorative layer and an optional overlay layer. The core layer includes one or more resin impregnated paper sheets. The decorative layer includes a dry paper sheet (i.e., one without any resin impregnation). A plurality of geometric patterns is printed on the decorative paper sheet with photoluminescent material of different colors, where the resulting patterns of different colors are simultaneously visible when exposed to ultraviolet light. The optional overlay layer includes one or more resin impregnated paper sheets. The decorative layer paper sheet is stacked with the core layer and the optional overlay layer, when utilized, and laminated under heat and pressure to form the decorative laminate.

Abstract: The disclosure is directed to a method for reducing the chemical activity and photo activity of titanium dioxide nanoparticles comprising adding an amorphous alumina-stabilizing agent, specifically an anion, such as citric acid, to an aqueous slurry of the titanium dioxide nanoparticles; treating the aqueous slurry with a source of alumina, such as a solution of sodium aluminate, to form alumina-treated titanium dioxide nanoparticles; recovering the alumina-treated inorganic nanoparticles, wherein the nanoparticles have a particle size of about 50 to about 300 nm; and milling the nanoparticles to form nanoparticles having a particle size about 15% smaller than silica-treated inorganic nanoparticles milled under similar conditions. The titanium dioxide nanoparticles described herein are useful in cosmetic, coating and thermoplastic compositions.

Abstract: A method of using a water-based boron-containing suspension as a source of boron additive is disclosed. The method includes adding the suspension into a mixing or reaction zone during the preparation of starch-based adhesives. The suspension includes a boron compound and at least one suspension aid.

Abstract: Molded wood-based decorative articles can be prepared by first laminating a paper sheet to a shaped, wood-based substrate, e.g., natural wood or a man-made board, preferably fiberboard, prior to applying a moldable cellulosic composition over at least one outer surface of the paper overlay. Surprisingly, the moldable cellulosic composition has excellent adherence to the paper overlay, so long as the paper does not have an anti-stick coating, such as a silicone or other lubricious surface treatment. The preferred paper is kraft paper that has no surface coating. After adhering the paper to the shaped, wood-based article, the moldable cellulose-based composition is applied to one or more outer surfaces of the paper overlay in a thickness of preferably in the range of {fraction (1/32)} inch to 1.0 inch and the cellulosic composition then is molded to form a decorative pattern on one or more outer surfaces of the paper overlay.

Abstract: A lamination structure comprises a first layer bonded to a second layer. The first layer is bonded to the second layer by a destruct bond with a starch adhesive. The first layer may be a flat layer or a fluted layer and the second layer may be a flat or fluted layer. At least one surface of the first layer and/or the second layer, which is bonded to the other layer, is the surface of a thermoplastic film. The thermoplastic film is treated or coated in a manner sufficient to permit the surface or surfaces to form the above-mentioned destruct bond, using a starch adhesive. An example of a surface treatment is flame treatment. An example of a coating is an acrylic coating.

Abstract: A process for manufacturing a decorative mainly isometric thermosetting laminate (1) comprising an isometric core (2), a primary surface layer (10) and optionally a secondary surface layer (20). 85 parts by weight of preferably organic particles are mixed with 15-85 parts by weight of a thermosetting resin such as phenol-formaldehyde resin, melamine-formaldehyde resin, urea-formaldehyde resin or mixtures thereof under powerful kneading in an extruder sot hat friction heat forms. The thermosetting resin is hereby bonded to or impregnating the particles. The particles possibly bonded to one another are parted whereby an agglomerate of resin and particles is formed. The particle/resin mixture is then dried to a water content of below 10%. The dried particle/resin mixture is then evenly distributed and continuously or discontinuously compressed in one or more steps under heat and pressure so that the resin finally cures, whereby an isometric core (2) is formed.

Abstract: Sandwich type board, for application in the construction field, of the type comprised of side and counterside, which has the following successive layers, from the center to the outside: a cellulose core impregnated in phenolic resin, a cellulose film impregnated in melamine, a laminated wood panel treated with phenolic resin, a tone package of one to three translucent and/or transparent films of cellulose, each of them impregnated in a resin to be chosen between melamine, melamine-acrylic, phenolic, melamine-phenolic, a multi-layer transparent/translucent acrylic film and a surface finish obtained by means of a demoulding film in the board press process.

Abstract: A method for reducing the migration of aldehyde compounds present in packaging material the interior of a package formed by said packaging material, said method comprising: (a) selecting an initial packaging sheet stock used for forming a package having an interior in which an aldehyde sensitive product can be contained, wherein said initial packaging sheet stock has a first surface that forms the interior wall of said formed package, wherein said initial packaging sheet stock has a second surface that forms the exterior wall of said formed package, and wherein said initial packaging sheet stock contains one or more aldehyde compounds that are capable of migrating from said initial packaging sheet stock to said package interior or exterior; (b) preparing an amine-containing composition comprising an amine that chemically reacts with said aldehyde compounds to form a substantially non-migrating compound; and (c) applying said amine-containing composition onto said first surface of said initial packaging sheet

Abstract: This invention relates generally to a pre-finished, moisture resistant and durable building material that is able to diffuse stress caused by variations in temperature and climate. One preferred embodiment of the building material includes a fiber cement substrate, at least one resin impregnated paper, and a stress-relieving elastomeric film between the fiber cement substrate and the resin impregnated paper, wherein the elastomeric film acts as a stress relaxer between the fiber cement substrate and the one resin impregnated paper.

Abstract: A laminate panel having desired characteristics even though the materials having these desired characteristics are not compatible in at least one aspect is disclosed. One of the substances having the desired characteristics may be adapted to be compatible with the other substance, and the two substances placed adjacent to each other. For example, the laminate panel includes a liquid impermeable layer that substantially prevents the penetration of moisture. The panel also includes a layer of a balancing substance disposed adjacent to the liquid impermeable layer to balance another layer of the laminate panel. The balancing substance is adapted to provide a desired bonding between the liquid impermeable layer and the layer of the balancing substance.

Abstract: A coating composition for forming abrasion-resistant, high clarity coatings is described. It has been found that a macrocrystalline or single crystal mineral abrasive can be added at high levels, about 5 to about 80 percent by weight, to art-recognized film-forming resin compositions for producing coatings exhibiting exceptional abrasion resistance and clarity. Such a coating composition is useful for application to surfaces including wood, vinyl, tile, rubber modified cement, marble, metal, plastic, and laminated surfaces.

Abstract: The present invention is generally directed to base webs that are creped after a bonding material has been applied to at least one side of the web according to a predetermined pattern. According to the present invention, the bonding material contains a creping adhesive mixed with composite particles. The composite particles generally have a median particle size of less than about 5 microns and a particle size distribution of less than about 10 microns.

Abstract: A composition for impregnation of a lignocellulosic material such as wood or wood particles, comprises a high boiling point tar acid or a pitch derived from coal; a solvent for the tar acid or pitch selected from a low carbon alcohol, an aceotrope of a low carbon alcohol and another solvent, and a mixture of a lower carbon alcohol and water; a phenol formaldehyde resole resin; an acid catalyst for the phenol formaldehyde resole resin; and preferably a formaldehyde donor or a precursor thereof. There is also disclosed a method of preparing a finished product from a lignocellulosic material by using the impregnating composition.

Abstract: The present invention related to a recyclable image-recording medium comprising a base layer, an intermediate layer and a water-swelling surface layer; a manufacturing method of the recyclable image-recording medium; and a printed material-removing method that uses such an image-recording medium.

Abstract: A method is provided for forming a durable, smooth-sided, multi-layer integral, composite engineered panel. The method typically is directed to first forming a mat comprising a plurality of layers of lignocellulosic strands or wafers. The plurality of layers of lignocellulosic strands or wafers are bonded together by an adhesive material. Then, at least one layer of smaller particles of lignocellulosic material is formed on the mat. This layer of smaller particles is blended together with an adhesive material thereby joining the layer of smaller particles to at least one outer surface of the mat. Next, at least one sheet of paper is joined to an outer layer of smaller particles of lignocellulosic material. This step takes place during the formation of the multi-layer integral, composite engineered panel. Finally, a substantially smooth outer surface is formed, upon pressing, in at least one surfaces of the multi-layer integral, composite engineered panel.

Abstract: The disclosed invention is a dimensionally stable laminate prepared by layering resin saturable sheets, treating the layered sheets with a polymeric resin, pressing the treated layered sheets together under high pressure and high temperature to form a laminate and then subjecting the newly manufactured laminate to high humidity (greater than 65%) at relatively low temperatures (32°-45° C.) before exposure to ambient conditions.

Abstract: A coating composition for forming abrasion-resistant, high clarity coatings is described. It has been found that a macrocrystalline or single crystal mineral abrasive can be added at high levels, about 5 to about 80 percent by weight, to art-recognized film-forming resin compositions for producing coatings exhibiting exceptional abrasion resistance and clarity. Such a coating composition is useful for application to surfaces including wood, vinyl, tile, rubber modified cement, marble, metal, plastic, and laminated surfaces.

Abstract: Decorative paper with a wear resistant decorative layer is made by limiting the flow of melamine resin through the decorative paper. A partially cured melamine resin impregnated overlay is placed over non-impregnated decorative paper and cured at temperatures of about 230-310° F. (110-155° C.) and pressures of greater than about 300 psi (20 bar) and preferably about 750-1500 psi (51-102 bar) for causing melamine resin to flow from the overlay into the decorative paper and for substantially fully curing the melamine resin. Flow of the melamine resin is limited to about 10-20 and preferably about 12-17 percent by weight of the impregnated overlay. Flow of melamine resin in impregnated decorative paper is limited to about 1-3 and preferably about 1-2 percent by weight of the impregnated decorative paper.

Abstract: Synthetic polymers having hydrogen bonding capability and one or more aliphatic hydrocarbon moieties are capable of providing two distinct properties to paper products, such as tissues, which properties heretofore have been imparted through the use of at least two different molecules. The backbone of these synthetic polymers is based on modified vinyl polymers, such as polyvinyl alcohol, polyacrylamides and polyacrylic acids.

Abstract: A laminated panel having an abrasion resistant surface is provided. The laminated panel includes a web being impregnated with a thermo-set resin, a bottom coat and an abrasion resistant top coat; a substrate; and thermo-fusing a bottom sheet to a second surface of the substrate opposite the first surface. The web is thermo-fused to one surface of the substrate, and the bottom sheet is simultaneously thermo-fused to the opposite surface of the substrate. A process for making an abrasion resistant laminated panel is also provided. The process includes the steps of partially impregnating a paper sheet or web with a thermosetting resin, drying it, coating the top side of the partially impregnated paper sheet or web with an abrasion resistant coat, simultaneously coating the bottom side of the paper sheet or web with a thermosetting resin composition, thermo-fusing the coated paper sheet or web to a first surface of a substrate and a bottom sheet to produce the laminated panel.

Abstract: An abrasive article comprising a backing, a plurality of abrasive particles, a binder which adheres the abrasive particles to the backing, and a peripheral coat including an antiloading component is provided. The antiloading component is of the formula (CnH2n+1)—COO—M, wherein n is greater than 17 and M is selected from Group 1 of the Periodic Table, with the proviso that when M is lithium, n is greater than 21. The antiloading component can be included in a coated abrasive article, such as a lapping or structured abrasive article, and a nonwoven abrasive article.

Abstract: A recording medium has an ink-receiving layer. The layer comprises a hydrophilic resin, and a block copolymer of polyvinyl alcohol and a hydrophobic polymer. The ratio by weight of the hydrophilic resin to the block copolymer is in a range of from 100:1 to 1:1.

Abstract: Modified melamine-formaldehyde resins are made of a condensate of formaldehyde, urea, melamine and modifying agents which contains: (a) a combination of 5 to 25 wt %, with respect to melamine, of dicyanodiamide and 8 to 30 wt %, with respect to melamine, of water-soluble polyalcohol with at least two hydroxyalkyl groups, and/or (b) 1.5 to 20 wt % amines having the formulas (Ia)NR.sub.4 R.sub.5 --R.sub.1 --X (Ia)and/or (Ib),NR.sub.4 R.sub.5 --R.sub.2 --Y--R.sub.3 --X (Ib)in which R.sub.1 and R.sub.3 are the same or different and depending on the meaning of X stand for a linear, branched or cyclic C.sub.1 -C.sub.12 alkyl or alkylene radical and R.sub.2 stands for a linear, branched or cyclic C.sub.1 -C.sub.12 alkylene radical; R.sub.4 and R.sub.5 can be the same or different and can stand for H or for a linear or branched C.sub.1 -C.sub.12 alkyl radical; and X can stand for hydrogen, OH or NR.sub.4 R.sub.5 and Y can stand for --O-- or --NH--. The molar ratio of melamine to formaldehyde ranges from 1:1.