Abstract: A method of reducing the formaldehyde emission of a mineral fiber product bonded with a urea-modified phenol-formaldehyde resol resin-type binder comprises adding dextrose to the binder composition during and/or after preparation of the binder composition but before curing of the binder composition applied to the mineral fibers.

Abstract: Described is an aqueous binder composition for mineral fibers which comprises a component (i) in the form of one or more carbohydrates and a component (ii) in the form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid, salts thereof.

Abstract: The invention relates to an aqueous binder composition for mineral fibers comprising a component (i) in the form of one or more compounds selected from —compounds of the formula, and any salts thereof. In which R1 corresponds to H, alkyl, monohydroxyalkyl, dihydroxyalkyl, polyhydroxyalkyl, alkylene, alkoxy, amine; —compounds of the formula, and any salts thereof. In which R2 corresponds to H, alkyl, monohydroxyalkyl, dihydroxyalkyl, polyhydroxyalkyl, alkylene, alkoxy, amine; a component (ii) in the form of one or more compounds selected from the group of ammonia, amines or any salts thereof; a component (iii) in the form of one or more carbohydrates.

Abstract: The present invention is directed to a method for producing oxidized lignins.

Abstract: An acoustical ceiling panel is provided having a core with a front face and a back face composed of air laid mineral fibers and an aqueous binder. The aqueous binder includes a first component in the form of one or more carbohydrates, and a second component in the form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid, and any salts thereof, ammonia and hypophosphorous acid. A formaldehyde-free first fleece having a thickness is secured to the front face of the core by powdered adhesive and a formaldehyde-free second fleece having a thickness is secured to the back face of the core by the aqueous binder, with the thickness of the first fleece being greater than the thickness of the second fleece. Paint is applied to the first fleece. The acoustical ceiling panel has formaldehyde emissions of below 8 ?g/m2/h of formaldehyde, preferably below 5 ?g/m2/h, most preferably below 3 ?g/m2/h, in accordance with ISO 16000 for testing aldehyde emissions.

Abstract: The invention relates to an aqueous binder composition for mineral fibers comprising a component (i) in the form of one or more compounds selected from—compounds of the formula, and any salts thereof. In which R1 corresponds to H, alkyl, monohydroxyalkyl, dihydroxyalkyl, polyhydroxyalkyl, alkylene, alkoxy, amine; —compounds of the formula, and any salts thereof. In which R2 corresponds to H, alkyl, monohydroxyalkyl, dihydroxyalkyl, polyhydroxyalkyl, alkylene, alkoxy, amine; a component (ii) in the form of one or more compounds selected from the group of ammonia, amines or any salts thereof; a component (iii) in the form of one or more carbohydrates.

Abstract: The invention provides a method of growing plants in a mineral wool growth substrate, the method comprising: providing at least one mineral wool growth substrate comprising man-made vitreous fibers bonded with a cured binder composition, and positioning one or more seeds or plants for growth in the growth substrate, and allowing growth of the one or more plants, wherein the binder composition prior to curing comprises: a) a sugar component, and b) a reaction product of a polycarboxylic acid component and an alkanolamine component, wherein the binder composition prior to curing contains at least 42% by weight of the sugar component based on the total weight (dry matter) of the binder components.

Abstract: Described is an aqueous binder composition for mineral fibers which comprises a component (i) in the form of one or more carbohydrates and a component (ii) in the form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid, salts thereof.

Abstract: Described is an aqueous binder composition for mineral fibers comprising a component (i) in the form of one or more compounds selected from compounds of the formulae set forth in the claims, and any salts thereof; a component (ii) in the form of one or more compounds selected from the group of ammonia, amines or any salts thereof; a component (iii) in the form of one or more carbohydrates; a component (iv) in the form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid or any salt thereof.

Abstract: An aqueous binder composition comprises: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) a soy protein product; and, optionally, one or more of the following binder components; (3) a sugar component; (4) urea. The binder composition is particularly suitable as a binder for mineral fibres or as an adhesive for particle board and other composites.

Abstract: An aqueous binder composition for mineral fibres comprises: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) a sugar component; and (3) urea, the proportion of components (1), (2) and (3) being within the range of 10 to 80 wt. % of (1), 15 to 80 wt. % of (2), and 5 to 60 wt. % of (3), based on the solids content of components (1), (2) and (3) as measured after heat treatment for 1 hour at 200° C.

Abstract: A method of reducing the formaldehyde emission of a mineral fibre product bonded with a urea-modified phenol-formaldehyde resol resin-type binder comprises the step of adding dextrose to the binder composition during and/or after preparation of the binder composition but before curing of the binder composition applied to the mineral fibres.

Abstract: A bonded mineral fibre product exhibiting high fire resistance in accordance with Class A1 of Standard EN 13501-1 as well as improved punking resistance comprises man-made vitreous fibres (MMVF)) bound by a cured binder composition, the non-cured binder composition comprising (a) a sugar component, and either (b) a polycarboxylic acid component and an alkanolamine, or (c) a reaction product of a polycarboxylic acid component and an alkanolamine, or (d) a combination of (b) and (c), the amount of sugar component (a) being within the range of 42 to 72 percent by weight, based on the total weight (dry matter) of the binder components.

Abstract: An aqueous binder composition for mineral fibres comprises: a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one carboxylic anhydride in proportions such that the ratio of equivalents of amine groups plus hydroxy groups (NH+OH), excluding urea, to equivalents of carboxy groups (COOH) in the binder component is within the range of from about 0.6 to about 1.5 and, optionally, treating the reaction product with a base; and urea in an amount of from about 1 to about 25 wt %, based on solids of the binder composition; the alkanolamine, carboxylic anhydride and urea reactants being employed in proportions such that the ratio of total equivalents of amine groups plus hydroxy groups (NH+OH), including urea, to equivalents of carboxy groups (COOH) in the binder composition is between and includes the following lower limit x and upper limit y: Formulae (I) and (II). x ? ? ( min ) = ( NH + OH ) COOH = 0.04 × wt . % ? ? Urea + 0.

Abstract: An aqueous binder composition for mineral fibers comprises: —a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one carboxylic anhydride and, optionally, treating the reaction product with a base; and —at least one hydrolytic stability-improving agent selected from monoalkanolamines; allylamines; peroxy compounds; epoxy compounds; compounds having at least one long-chain aliphatic moiety and at least one functional group; and SBR latices.

Abstract: Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin, which resin is subsequently reacted with a separate carboxylic acid group containing polymer.

Abstract: A formaldehyde-free aqueous binder composition comprises a binder component (A) obtainable by reacting at least one alkanolamine with at least one carboxylic anhydride and, optionally, treating the reaction product with a base; and a binder component (B) which comprises at least one carbohydrate. The binder composition is particularly useful for bonding mineral fiber products.

Abstract: Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin, which resin is subsequently reacted with a separate carboxylic acid group containing polymer.

Abstract: Process for providing a binder for mineral fibers, comprising the steps of: mixing together under reactive conditions an amine and an anhydride whereby water is added thereto, once substantially all the anhydride is dissolved and/or reacted in the amine.

Abstract: Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin, which resin is subsequently reacted with a separate carboxylic acid group containing polymer.