Abstract: A multilayer wall covering includes: (a) a support layer formed by an organic polymer foam having an open porosity of between 0.50 and 0.995, or by a viscose fiber nonwoven having a mass per unit area of between 150 g/m2 and 500 g/m2, (b) a surface layer formed by a glass textile, having a static air flow resistance, measured according to the standard ISO 9053, of between 105 N·s·m-4 and 106 N·s·m-4, (c) at the interface between the support layer (a) and the surface layer (b), a discontinuous adhesive layer having a mass per unit area of between 17 and 60 g/m2. There is also provided a process including the use of such a covering for improving both the acoustic and the thermal comfort of a room, and two processes for manufacturing such a covering.

Abstract: A composite tack film is provided. The composite tack film includes a) a first polymer layer including a thermally conductive polymer having a melting temperature of less than about 100° C.; b) a second polymer layer adjacent the first polymer layer, the second polymer layer including a visco-elastic, thermally conductive polymer having a melting temperature of less than about 110° C.; and c) a third polymer layer adjacent the second polymer layer, the third polymer layer including a thermally insulative polymer having a melting temperature of less than about 100° C. Further included is a method of reinforcing pavement with the aforementioned composite tack film.

Abstract: The present invention provides a method making glass fiber fabric reinforcements, cement boards, and glass fiber coatings for such reinforcements. The glass fiber fabric reinforcement includes a glass fabric containing multiple yarns containing glass filaments and a polymeric coating disposed onto the multiple yarns to form a coated glass fabric. The polymeric coating comprises a polyolefin based copolymer composition whereby the glass fabric has a Gurley Stiffness measurement of about 100-3000 mg and an ASTM D 638 (2% Secant) modulus of compression of about 1-100 MPa. The reinforcement is sufficiently drapable and lacking in shape memory so as to be curved around the edge of a cement board during the manufacture of same.

Abstract: Methods of making a reinforcement mesh, and an architectural molding reinforced by the mesh. The mesh is adhered by an adhesive to the architectural molding. In the mesh, weft yarns bend relative to warp yarns to conform to and against a curved profile of the architectural molding, and the warp yarns are unbent and adhered against the molding.

Abstract: The invention relates to a device delivering filaments of molten material, especially glass, by Joule heating using a power supply, comprising side plates, a bottom plate provided with nozzles for the flow of the molten material and optionally an upper screen, is characterized in that at least one of these parts capable of being in contact with the molten material is formed by: a solid part made of iron-based alloy having a melting point above 1450° C. that forms a substrate, a metal tie layer formed on at least one portion of the surface of the substrate, a ceramic layer covering the metal tie layer, the metal layer and the ceramic layer forming a diffusion barrier to the components of the alloy that forms the substrate, and a protective coating layer made of platinum or platinum alloy, deposited directly on the ceramic layer.

Abstract: A reinforcing tape for imbedding in a joint compound, has reinforcing yarns defining openings for passage of the joint compound, wherein; the openings are bounded by the yarns; the yarns are provided with one or more coatings adding tensile strength and resistance to pull out of the yarns from the joint compound.

Abstract: A reinforcement mesh, an architectural moulding reinforced by the mesh, and methods of making the architectural moulding and the mesh. The mesh is adhered by an adhesive to the architectural moulding. In the mesh, weft yarns bend relative to warp yarns to conform to and against a curved profile of the architectural moulding, and the warp yarns are unbent and adhered against the moulding.

Abstract: The invention pertains to a drywall tape having a nonwoven fabric and a reinforcing scrim, wherein the nonwoven fabric has chopped glass fibers laid flat in the nonwoven fabric, the fibers being substantially straight, random laid and bonded to one another to resist forces exerted in random directions, and the reinforcement scrim has elongated reinforcing strands of low profile thickness joined against a side of the nonwoven fabric, such that the scrim and the nonwoven fabric reinforce each other, and reinforce a joint compound in which the drywall tape is imbedded.

Abstract: Methods and a reinforcement fabric are disclosed for making a reinforced smooth cementitious board having a cement skin adjacent to an outer face, by depositing a reinforcement fabric and a layer of hydraulic cementitious material, one on the other, wherein the reinforcement fabric comprises an open mesh united with a thin, porous nonwoven web.

Abstract: A multilayer sound-absorbing covering includes (a) a support layer made of an organic polymer foam having an open porosity between 0.50 and 0.995, (b) a surface layer formed by a glass textile, having a static air flow resistance, measured according to the standard ISO 9053, between 105 N.s.m-4 and 106 N.s.m-4, (c) at the interface between the support layer (a) and the surface layer (b), a discontinuous adhesive layer having a surface density between 17 and 60 g/m2. There is also provided a process for manufacturing such a covering and the use of such a covering for improving the acoustic comfort of a room or of a building.

Abstract: A reinforcing drywall tape and a method of making the same, the tape having a greige combined with a laid scrim constructed in situ on the greige and bonded to the greige by a resin coating, and a pressure sensitive adhesive fully covering an inward facing surface of the greige wherein the greige is adapted for adherence to drywall sections.

Abstract: A glass mat includes an assembly of glass fibers, a binder composition and an asphaltic coating. The binder composition includes an organic resin and an adhesion promoter. The glass mat has an at least 2% increase in tear strength as measured using the methods specified in ASTM D3462, compared to an asphaltic coated glass mat having a binder composition without the adhesion promoter. Further provided is an asphalt roofing product including the glass mat and a method of increasing tear strength in an asphalt roofing product.

Abstract: The present invention concerns an aqueous binder for a fiber mat, in particular mineral fibers, which comprises, in parts by weight: 20 to 95 parts of at least one lignosulfonic acid salt; 5 to 80 parts of at least one oligosaccharide; and 5 to 20 parts of a curing catalyst selected from compounds containing phosphorus and sulfates per 100 parts of lignosulfonic acid salt and of oligosaccharide. It also concerns the products resulting from treatment of the fibers, especially mineral fibers, with said binder.

Abstract: The present invention concerns an aqueous binder for a fiber mat, in particular mineral fibers, which comprises, in parts by weight: 50 to 95 parts of at least one lignosulfonic acid salt; 5 to 50 parts of at least one thermosetting resin selected from phenolic resins and urea-formaldehyde resins; and 5 to 20 parts of a curing catalyst selected from compounds containing phosphorus and sulfates per 100 parts of lignosulfonic acid salt and of thermosetting resin. It also concerns the products resulting from treatment of the fibers, especially mineral fibers, with said binder.

Abstract: The present invention relates to a glass strand provided with a coating based on a polymer chosen from vinyl acetate/vinyl chloride copolymers, polyvinyl chloride and polyvinylidene chloride and which comprises a silane of formula Si(R1)(R2)(R3)(R4) in which: R1, R2 and R3, which are identical or different, represent a C1-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group, a C6-C10 aryl group, a hydroxyl group, a C1-C6 alkoxy group, a C6-C10 aryloxy group, a C1-C6 acyloxy group or a C2-C7 alkylcarbonyl group, at least two of the R1, R2 and R3 groups representing a hydroxyl group or an alkoxy group, and R4 represents a group including at least one epoxy functional group, an optionally substituted aryl group, a halogen atom or a group carrying at least one halogen atom, in particular a fluorine atom, a group including at least one aldehyde functional group, a group carrying at least one functional group including a sulfur or phosphorus atom, or an acryloyloxy or methacryloyloxy group, said group carry

Abstract: The present invention concerns a binder for a mat of fibers, especially mineral fibers, which comprises: at least one monosaccharide and/or at least one polysaccharide; at least one polycarboxylic organic acid with a molar mass of 1000 or less; and at least one vinyl acetate homopolymer or copolymer. It also concerns the products resulting from treatment of the fibers, especially mineral, with said binder.

Abstract: The present invention concerns an aqueous flame retardant composition for mineral fiber-based mats, in particular glass or rock fibers, which comprises: at least one thermoplastic or thermoset resin, and at least one organic flame retarding agent chosen from: a) alkyl ketene dimers (AKDs) of formula (I) below: in which R1 and R2, which may be identical or different, represent a C4-C18, preferably C12-C16, alkyl radical; and b) alkenyl succinic anhydrides (ASAs) of formula (II) below: in which R3 and R4, which may be identical or different, represent an alkyl radical, the total number of carbon atoms in these radicals varying from 10 to 18, preferably from 12 to 14. It also concerns mats treated with said aqueous flame retardant composition.

Abstract: The invention relates to a structure based on glass fiber coated with a resin composition designed to reinforce bonded abrasive articles, the resin composition including the following constituents in the proportions indicated, expressed in percentage by weight of solid matter: 75 to 98% of a mixture of at least one novolac having a glass transition temperature lower than or equal to 60° C. and at least one novolac having a glass transition temperature above 60° C., 0.5 to 10% of at least one wax, 0 to 3.5% of at least one plasticizing agent.

Abstract: The present invention concerns an aqueous flame retardant composition for mineral fiber-based mats, in particular glass or rock fibers, which comprises: at least one thermoplastic or thermoset resin; magnesium hydroxide, Mg(OH)2, and aluminum hydroxide, AlOOH, as flame retarding agents; and optionally, carbon black. It also concerns mats treated with said flame retardant composition.

Abstract: The invention relates to glass strands especially for the production of composites having an organic and/or inorganic matrix, the composition of which strands comprises the following constituents in the limits defined below, expressed as percentages by weight: SiO2 50-65% Al2O3 12-23% SiO2 + Al2O3 ??>79% CaO ?1-10% MgO ?6-12% Li2O ?1-3%, preferably 1-2% BaO + SrO ?0-3% B2O3 ?0-3% TiO2 ?0-3% Na2O + K2O ??<2% F2 ?0-1% Fe2O3 ??<1%. These strands are made of a glass offering an excellent compromise between its mechanical properties, represented by the specific Young's modulus, and its melting and fiberizing conditions.