Abstract: Membrane-ready fibrous faced gypsum panels, methods, and apparatus are provided. The panels include a first fibrous mat having a first surface and a second surface, a second fibrous mat having a first surface and a second surface, a gypsum core in contact with the second surfaces of the first and second fibrous mats, and a material coating that covers the first surface of the first fibrous mat and forms a substantially smooth outer surface.

Abstract: Kits and assemblies for causing, enhancing, and/or expediting consumption of an article by at least one biodegradative living organism are disclosed. The kits and assemblies include at least one additional living organism that enhances and/or expedites consumption of the article by the at least one biodegradative living organism. Methods of producing and using same are also provided.

Abstract: A cementitious product with strengthened composite structure is provided. Energy-efficient methods for manufacturing such products are provided as well and include dewatering a partially-set cementitious product by applying vacuum, and also creating a concentration gradient across the product thickness. Systems for manufacturing such products are provided as well.

Abstract: A packaging material includes an antimicrobial agent adhered to a substrate. The antimicrobial agent can include copper, and the packaging material can include cellulose. The substrate can be paperboard, and the copper can be a copper salt, such as copper sulfate. The packaging material may be provided by causing adherence between the substrate and the antimicrobial agent, such as by coating the substrate with the antimicrobial agent. Then, the packaging material may be cut into sheets. The sheets may be formed into cartons or other suitable packages.

Abstract: The present invention provides a composition, a gypsum board and their preparation method and the use of ascorbic acid as an anti-sagging additive in a gypsum board. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises hemi-hydrate gypsum, water and a compound comprising group and no carboxylate groups. The set gypsum prepared from the said composition shows better anti-sagging or deformation resisting property. The gypsum board of the present invention is hardly distorted and has stronger stability even in the condition of high humidity, thus improve the quality of the gypsum board to meet the demands of the customer.

Abstract: A surface treatment composition includes a solution having a pH within a range of above 4 to 8 that includes metal cations produced in situ from a metal-containing substance having a Ksp no greater than 1×10?6 in a reaction with an acid having a pKa in a range of ?3.0 to +3.5. The composition further includes an agent mixed with the solution that is either a surface sizing agent or a coating agent used on a paper substrate. A print media includes the composition applied to a paper substrate. Preparation of the composition includes reacting the metal-containing substance with the acid, adjusting the pH to above 4 to 8, and mixing the metal cation-containing solution with either the surface sizing or coating agents.

Abstract: The formulation for making plasterboard with paper cover sheets comprises finely divided gypsum, a minor amount by weight of starch and, as crosslinking agent for the starch, a tri-functional reactive s-triazine having substituents at positions 2, 4 and 6 of the triazine ring which are reactive with the starch. A preferred crosslinking agent is 2,4,6-trichloro-s-triazine, which is preferably partially reacted with the starch before further reaction with the paper cover sheets for the plaster board.

Abstract: A barrier coating composition may include an alcohol-based binder and an inorganic particulate. The barrier coating composition may be used in various ways, including in paper products including the barrier composition, methods of preparing the paper products, articles, particularly food grade packaging formed from the paper products, and packaged products, particularly packaged foodstuffs including the packaging.

Abstract: A composition is provided, which comprises a water-soluble salt of a divalent metal; a complexing agent having an affinity for the divalent metal; and an optical brightening agent. Methods of using the composition, and recording sheets which include the composition, are also disclosed.

Abstract: Formed building materials comprising a sequestered CO2 are provided. The building materials of the invention include a composition comprising a carbonate/bicarbonate component. Additional aspects of the invention include methods of making and using the formed building materials.

Abstract: A gypsum panel that incorporates a plant fiber other than paper is disclosed. The plant fiber material may be in the form of a facing material adhered to at least one side of the gypsum panel or in the form of loose fibers integrated with the gypsum panel as a matrix or both. Further, the plant fiber may be combined with conventional gypsum panel additives, is fully recyclable and environmentally sustainable. The present invention further relates to a method of making such a gypsum panel.

Abstract: Low embodied energy wallboards and methods for forming same are disclosed. A wallboard can include at least one industrial material in an amorphous phase and at least one alkali-activating agent. The amorphous phase industrial material can be slag, fly ash, silica fume, and/or lime kiln dust. The alkali-activating agent can be calcium oxide, magnesium oxide, potassium hydroxide, sodium hydroxide, calcium hydroxide, calcium carbonate, potassium carbonate, sodium carbonate, sodium sesquicarbonate, sodium silicate, calcium silicate, magnesium silicate and/or calcium aluminate. Additional wallboard components can include water, a foam filler, paper, industrial material in a crystalline phase, and/or polyethylene fibers, polypropylene fibers, and/or other synthetic fibers.

Abstract: Disclosed is an emulsion of an internal paper size and a biocidal emulsifying agent, such as a cationic non-starchy quaternary ammonium compounds, that is introduced into a paper-making furnish to produce an anti-microbial paper. The antimicrobial paper is useful as facing for gypsum panels. A method of making the paper includes emulsifying the internal size with a biocide before introducing the size to the paper furnish. A method of making a microbial growth resistant gypsum panel that incorporates the antimicrobial paper is also disclosed.

Abstract: This invention is directed to an recording sheet having improved image dry time for use in printing comprising a substrate having in contact with at least one surface thereof one or more water soluble divalent metal salts, preferably admixed with one or more starches, to process of forming such recording sheet, to a method of generating one or more image(s) on said recording sheet in an printing process and to a recording sheet having one or more images on a surface thereof.

Abstract: The present invention relates to a fire-retardant material and products produced therefrom. More specifically, one embodiment of the present invention relates to a fire-retardant coating that shields underlying substrates from thermal insult, and a method for making such fire-retardant composition, as well as the products resulting therefrom. The invented coating and products are especially applicable to cellulose and gypsum based building materials including but not limited to fiberboards, wallboards, roofing materials, particleboards, ceiling tiles, floor tiles, soundproofing boards and hardboards.

Abstract: The present invention concerns a transparent or semi-transparent coating prepared from coating mixture containing conventional coating components mixed with a coating slurry containing dispersed inorganic nano-particles in a content of 1-70 w-% of the slurry. Further, the invention concerns a manufacturing process of such a coating, as well as a manufacturing process of said coating slurry.

Abstract: A thermo-insulating packaging material including a paper-based substrate layer, a paper-based top layer and a thermal-insulating composition positioned between the paper-based substrate layer and the paper-based top layer, the thermal-insulating composition including a filler, an organic binder and a plasticizer.

Abstract: Mold- and moisture-resistant gypsum boards and methods for making them are disclosed, the method comprising applying a slurry that forms a gypsum core to an upper or a lower facing sheet impregnated with a thermoset resin (e.g., a phenol-formaldehyde resin) in an amount effective to (i) allow water vapor passage through the facing sheet when the thermoset resin is in its uncured state and (ii) provide mold and moisture resistance to the facing sheet when the thermoset resin is in its cured state and heating sufficiently to cure said resin and dry said gypsum core, thereby yielding said gypsum board.

Abstract: Disclosed is a method for inhibiting the growth of mold on building materials by application onto and/or incorporation into the building material of a mold-inhibiting composition comprising dehydroacetic acid or a salt thereof and, optionally, an additional fungicidal agent such as a quaternary ammonium compound. A preferred application of the method is the inhibition of mold growth on plasterboard (drywall).

Abstract: A gypsum plasterboard with a covering paper forming the outside of the plasterboard and a coating slip deposited on the covering paper. The coating slip has plastic pigments as whitening agent.

Abstract: The present invention is directed towards a paper-based composite packaging structure comprising a paper layer and a filler layer which may be laminated or otherwise adhered to the paper layer. In certain embodiments, the filler layer comprises a polymer or bio-based polymer. An optional barrier layer may be deposited on to one side of the paper layer or filler layer as desired to provide functional barrier characteristics. The composite paper-based film structure(s) may comprise additional layers such as one or more optional primer layers, adhesive layers, ink layers, and/or sealant layers that can be incorporated into the composite film structure as desired to enable the required functional characteristics of the composite film structure described herein. The paper-based composite packaging structure is substantially compostable and/or recyclable as both the paper and the bio-based polymer filler layers will break down under composting conditions and/or meet standardized recyclability requirements.

Abstract: A multi-layer paper-based packaging material is provided that has adequate barrier properties. At least one surface of the paper is smoothed and then a barrier layer is applied. The paper can also include optional primer and heat-seal layers.

Abstract: A thermal, non-silver halide-containing image receiver element includes a support and an aqueous-coated image receiving layer. This receiving layer comprises a water-dispersible polymer having a polyurea or polyurethane backbone and up to 25 weight % of the water-dispersible polymer comprising polysiloxane side chains that are covalently attached to the backbone, each of the side chains having a molecular weight of at least 500. Aqueous dispersions of polyester ionomers and crosslinking agents can also be present.

Abstract: Provided is a flame-retardant member having flexibility and a high degree of flame retardancy. A flame-retardant polymer member of the present invention is a flame-retardant polymer member having a polymer layer (B) and a flame-retardant layer (A) on at least one surface of the polymer layer (B), in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer (X).

Abstract: Composite panels may be prepared using a moisture resistance additive having a formulation that includes a triglyceride having a saponification value of at least 150 and an iodine value of at least 35. The additive may be used in the form of a water emulsion. The water emulsion may be prepared by dispersing the components of the additive formulation under conditions sufficient to at least partially saponify the triglyceride. The moisture resistance additive can impart resistance to moisture absorption and thickness swelling to composite panels prepared therewith.

Abstract: Wallboards, as well as other building materials, are produced by methods which use significantly reduced embodied energy, generating far less greenhouse gases when compared with the energy used to fabricate gypsum wallboard. A novel cementitious core, consisting in one embodiment of post-industrial waste such as slag and combined with pH modifiers, provides a controlled exothermic reaction to create a gypsum-wallboard-like core which can be wrapped in a selected material such as recycled paper and manufactured on a conveyor system to appear, weigh and handle similar to gypsum wallboard, but without the large amounts of energy required to make gypsum wallboard. The manufacturing process results in lower greenhouse gas emissions than the processes used to make gypsum wallboard.

Abstract: Embodiments of the present disclosure include paper coating compositions, coated paper and/or paperboard, and methods of forming coated paper and/or paperboard with the paper coating compositions. The embodiments of the paper coating compositions contain high levels of hollow polymeric pigment relative to other pigments used in the paper coating composition (e.g., inorganic pigments). The paper coating compositions can provide the coated paper and/or paperboard with a wide variety of desirable features (e.g., high gloss, good smoothness, improved stiffness), while minimizing compaction (i.e., permanent deformation) of the underlying base paper.

Abstract: A building board with coating includes at least one end face (7) covered by two superposed layers (10, 12) of a sheet material, and a layer (11) of filler material is applied between the sheet layers (10, 12).

Abstract: The invention relates to aminoplast or phenoplast resins comprising the reaction product of the following compounds: a substituted or unsubstituted amine derivative or a substituted or unsubstituted phenol derivative; at least one glyoxal monoacetal; and glyoxylic acid, and also the compositions containing them and their uses as adhesives or binders.

Abstract: The subject invention relates to compositions and methods for the preparation of stucco slurry compositions. The compositions and methods involve replacing typically used starches with modified high amylose starches that can be used in the normal wallboard manufacturing process. The compositions and methods provide wallboards having increased core strength and increased paper-to-core bond integrity compared to standard wallboards made from slurries with reduced water levels.

Abstract: A mold resistant gypsum panel having improved mold- and fungal-resistance to the gypsum panel facing paper is provided. Mold-resistant gypsum panels include a gypsum core formed from a gypsum slurry that has voids as a result of foaming of the gypsum slurry. A first paper is located on one side of the gypsum core and a second paper opposes the first paper. A first paper comprises at least one liner ply and at least one filler ply. A second paper also comprises at least one liner play and at least one filler ply. The first and second papers may be substantially the same. At least one of the first paper and the second paper also includes a biocide having 75% retention of the biocide. Also included in at least one of the first and second paper are a retention aid and a sizing agent.

Abstract: Formed building materials comprising a sequestered CO2 are provided. The building materials of the invention include a composition comprising a carbonate/bicarbonate component. Additional aspects of the invention include methods of making and using the formed building materials.

Abstract: The formulation for making plasterboard with paper cover sheets comprises finely divided gypsum, a minor amount by weight of starch and, as crosslinking agent for the starch, a tri-functional reactive s-triazine having substituents at positions 2, 4 and 6 of the triazine ring which are reactive with the starch. A preferred crosslinking agent is 2,4,6-trichloro-s-triazine, which is preferably partially reacted with the starch before further reaction with the paper cover sheets for the plaster board.

Abstract: The barrier properties of a water soluble gas barrier material are improved if the material is blended with a nanoparticle calcium carbonate having a size of from 10 to 250 nanometers. The barrier material is on a substrate to provide a substrate with gas barrier properties. A layer of heat sealable material may be applied to the exposed surface of the barrier material. A method for making the barrier coated substrate is disclosed.

Abstract: Composite panels may be prepared using a moisture resistance additive having a formulation that includes a triglyceride having a saponification value of at least 150 and an iodine value of at least 35. The additive may be used in the form of a water emulsion. The water emulsion may be prepared by dispersing the components of the additive formulation under conditions sufficient to at least partially saponify the triglyceride. The moisture resistance additive can impart resistance to moisture absorption and thickness swelling to composite panels prepared therewith.

Abstract: A decorative board in the present invention includes: a core layer constituted by a prepreg impregnated with a slurry containing (a) an organic resin component including a phenol-formaldehyde resin and an amino-formaldehyde resin, (b) one or more selected from a group consisting of carbonate, silica, talc and fly ash, and (c) a metal hydroxide; and a decorative layer.

Abstract: This invention relates to a composition comprising a solvent-based fluoropolymer and its use as a coating additive, and a coating composition comprising the fluoropolymer. The coating composition comprising the solvent-based fluoropolymer provides desirable properties including uniform spreading, and cleanability and increased contact angle to a coated substrate. There is further provided a method of treating a substrate using the coating composition.

Abstract: A chemical indicator composition comprising a bismuth (III) compound selected from the group consisting of bismuth (III) oxide and a bismuth (III) compound comprising at least one organic group which includes 2 to 20 carbon atoms; elemental sulfur; and a compound which makes the composition alkaline when exposed to water vapor at an elevated temperature; a chemical indicator composition comprising a bismuth (III) compound; elemental sulfur; a compound which makes the composition alkaline when exposed to water vapor at an elevated temperature; and at least one acid other than any acid present in the bismuth (III) compound; a chemical indicator comprising a substrate and the composition coated on at least a portion of a major surface of the substrate; methods of making the chemical indicator; and methods of using the chemical indicator are disclosed.

Abstract: A novel gypsum board having improved antimicrobial and antibacterial properties is disclosed. The board comprises a gypsum core, front and back paper facings, and a polymeric antimicrobial or antibacterial compound effective at inhibiting fungal growth. Preferred polymeric antimicrobial and antibacterial compounds include polyDADMAC, polyTMMC, and quaternized polyvinyl pyridine derivatives. The novel gypsum board further comprises a non-polymeric antimicrobial or antibacterial compound. Preferred non-polymeric antimicrobial or antibacteral compounds include cetyl pyridinium chloride and sodium pyrithione. The polymeric antimicrobial or antibacterial compound can be present in the gypsum core and/or on one or both of the paper facings.

Abstract: Coating for an offset paper comprising a catalyst for fixing polymerisable or crosslinkable constituents of the offset ink. The chemical drying time can be substantially reduced if such a catalyst system is added to the coating, wherein preferentially such a catalyst is a transition metal complex/salt, like Mn (2-ethylhexanoate, bpy).

Abstract: A system for fire protection of a structural element, which system comprising one or more fire protection boards attached to the said structural element, and one or more hard plates attached to an outer surface of the fire protection boards by means of a non-combustable adhesive, said hard plates having a harder surface than the fire protection board. A method for protecting a structural element is also disclosed.

Abstract: The invention relates to a laminate comprising two plastic films and in between a metal or metaloxide layer and a crystalline triazine layer, the laminate having a lamination strength of about 2 N/inch or more as measured in a 90 degree tensile testing at 30 mm/min. The invention further relates to a composite layer, comprising a metal or metal oxide, and a triazine layer comprising a triazine compound suitable for said laminate. The invention further relates to a process for the preparation of a composite layer, comprising the step of applying a triazine layer on a substrate with a metal or metal oxide layer by vapour deposition of the triazine compound, wherein the process comprises (a) applying to the metal or metal oxide layer a compound other than a triazine compound, (b) vapour depositing the triazine compound on the metal or metal oxide layer while the compound is at least in part in a liquid state.

Abstract: Disclosed is a retrofit insulation system and method of installing same for use in existing structures. Included is a multi-layer insulative construction material, comprising at least one layer of drywall having a front side intended to face the interior of a room and a back side which will be adhered to a second layer of material. Generally an adhesive layer selected from the group consisting of spray on adhesive, roll-on adhesive, brush-on adhesive, dipping adhesive, and any combination thereof is used to fasten a second layer of at least one layer of insulation material. This yields an insulative construction material that is capable of being installed over an existing wall to increase the insulative value of the wall.

Abstract: This invention relates to a gypsum board coating comprising cardboard with a water-repellent treatment, containing a treatment agent which prevents the growth of micro-organisms. This invention also relates to a gypsum board comprising such a coating and a method for producing the cardboard-coated gypsum board.

Abstract: This invention relates to the use, in a foamy aqueous suspension of calcium sulfate hemihydrate, as an agent having the dual function of being a dispersing agent and an anti-defoaming agent, of a comb polymer made up of (meth)acrylic acid, a monomer which is an alcoxy- or hydroxy-polyalkylene glycol, and an ester of (meth)acrylic acid. It also relates to the aqueous suspensions thereby formed, and the plasterboard manufactured from 2 sheets of paper containing a body resulting from the drying of said suspensions.

Abstract: The present invention relates to a coating composition for paper and cardboard comprising at least one white pigment, at least one polymeric ligand and at least one synthetic or natural co-ligand, and a mixture of optical whiteners.

Abstract: Wallboard and facing paper that provides increased mold resistance at lower biocide loadings. The biocide is: (a) an n-alkyl isothiazolinone such as octylisothiazolinone (OIT), a monohalo and dihalo substituted n-alkylisothiazolinone such as chloromethylisothiazolinone (CMIT) or dichlorooctylisothiazolinone (DCOIT), 3-iodo-2-propynyl-butylcarbamate (IPBC), chlorothalonil, methylene-bis-thiocyanate, or mixtures of two or more thereof; or (b) carbendazim and a second biocide selected from 3-iodo-2-propynyl-butylcarbamate (IPBC), diiodomethyltolylsulfone (DIMTS), sodium pyrithione, octylisothiazolinone (OIT), dichlorooctylisothiazolinone (DCOIT), and chlorothalonil.

Abstract: An anticorrosion composition is manufactured which contains a water-soluble inorganic acid salt (a) containing at least one of copper and tin, an alkaline component (b), and a binder (c), the equivalent ratio of the water-soluble inorganic acid salt (a) and the alkaline component (b) being 2:0.25 to 2:2. This anticorrosion composition is applied to a fiberboard to manufacture an anticorrosion fiberboard which can absorb reducing sulfur compounds produced from the fiberboard or already present in the atmosphere.

Abstract: An object of the present invention is to provide a support for image recording material, which can record high quality images without causing blister, unevenness of recording and unevenness of fixation; various image recording materials using the support for image recording material; and an image recording method. Therefore, the present invention provides a support for image recording material, comprising a base paper and at least one polyolefin resin layer formed on both surfaces of the base paper, wherein a front surface polyolefin resin layer at the side of the polyolefin resin layer, on which an image recording layer is formed, is composed of two or more layers, and an average density of an outermost front surface polyolefin resin layer, which is located farthest from the base paper, is less than that of at least any front surface polyolefin resin layers other than the outermost front surface polyolefin resin layer.

Abstract: Provided herein are coating compositions for paper comprising aluminum phosphate, aluminum metaphosphate, aluminum orthophosphate and/or aluminum polyphosphate pigments. Methods of making and using the compositions are described.