Abstract: The invention relates to a method for producing oxidized lignins.

Abstract: The invention relates to a method of preparing a mineral melt in a cupola furnace that uses at least one plasma torch to provide heat energy to the furnace. The plasma torch uses nitrogen, carbon monoxide, carbon dioxide, or a mixture thereof as the carrier gas. The invention also relates to a cupola furnace for the preparation of the mineral melt, and the use of a plasma torch in a cupola furnace to reduce the amount of NOx and/or hydrogen in the furnace off-gas.

Abstract: The invention is directed to a mineral fibre product, comprising mineral fibres in contact with a binder resulting from the curing of an aqueous binder composition free of phenol and formaldehyde.

Abstract: A thermally insulated pipe system includes a pipe with an outer diameter and a thermally insulating pipe section mounted on it. The pipe section has two longitudinal parts with longitudinal openings forming an aperture for the pipe. The parts face each other in a symmetry plane, with two webs in each opening that extend substantially to the symmetry plane and are arranged at an angle between 45° and 90°, forming a first groove between the webs and second grooves between each web and the surface of the opening.

Abstract: The invention relates to a method of making an acoustic product and a novel acoustic product, wherein the acoustic product is made by adhering a facing to a first major surface of an acoustic insulation element by the use of an adhesive and curing the adhesive. The adhesive is an aqueous adhesive composition which is free of phenol and formaldehyde and comprises: a component (i) in form of one or more lignosulfonate lignins having a carboxylic acid group content of 0.03 to 2.0 mmol/g, such as 0.03 to 1.4 mmol/g, such as 0.075 to 2.0 mmol/g, such as 0.075 to 1.4 mmol/g, based on the dry weight of the lignosulfonate lignins, a component (ii) in form of one or more cross-linkers.

Abstract: The invention relates to a method of making an insulation product and a novel insulation product, wherein the insulation product is made by adhering a facing to at least one major surface of a batt of man-made vitreous fibres in a matrix comprising a binder by the use of an adhesive and curing the adhesive. The adhesive is an aqueous composition which is free of phenol and formaldehyde and comprises: a component (i) in form of one or more lignosulfonate lignins having a carboxylic acid group content of 0.03 to 2.0 mmol/g, such as 0.03 to 1.4 mmol/g, such as 0.075 to 2.0 mmol/g, such as 0.075 to 1.4 mmol/g, based on the dry weight of the lignosulfonate lignins, a component (ii) in form of one or more cross-linkers.

Abstract: A sports field can comprise: (i) a lower base layer; (ii) an upper grass and/or artificial grass layer, and (iii) a shock pad layer, positioned between the base layer and the grass or artificial grass layer. The shock pad layer can comprise at least one shock pad comprising a coherent plate having upper and lower major surfaces, and the coherent plate can comprise at least one coherent layer comprising man-made vitreous fibres (MMVF) bonded with a cured aqueous binder composition. The aqueous binder composition prior to curing can comprise a component (i) in form of one or more oxidized lignins; a component (ii) in form of one or more cross-linkers; and a component (iii) in form of one or more plasticizers.

Abstract: The present invention relates to a process for preparing a mineral melt in a cupola furnace that comprises a plasma torch that heats mineral material and waste or recycled mineral material to form the melt, wherein the waste or recycled mineral 5 material is introduced into the furnace through a waste inlet located in the side wall of the furnace hot zone.

Abstract: The present invention relates to a storm water management system comprising a first conduit, a storage device, a first well and a valve, wherein the storage device comprises a coherent man-made vitreous fibre module (MMVF module), wherein the MMVF module comprises an upper passage and a lower passage, wherein the upper passage is in fluid communication with the first conduit, and wherein the lower passage is connected to the first well by the valve.

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: A rotor for a fiberising apparatus includes a rotor housing and a first and second bearing assembly, wherein each bearing assembly includes at least two ball bearings, each seated in a respective bearing seat. A substantially horizontal shaft rotatably is mounted between the first bearing assembly and the second bearing assembly. The apparatus includes a plurality of resilient dampers arranged in an annular ring, wherein each resilient damper is releasably connected at a first end to the bearing seat and is releasably connected at a second end to the inner wall of the rotor housing.

Abstract: The disclosure relates to a roofing system for a flat roof or a flat inclined roof of a building with a thermal and/or acoustic insulation, consisting of a structural support, a deck, optionally a vapour control layer, a waterproof membrane and at least one insulation element being a bonded mineral fibre product made of mineral fibres, preferably stone wool fibres, and a cured aqueous binder, whereby the cured aqueous binder prior to curing comprises a component (i) in form of one or more oxidized lignins, a component (ii) in form of one or more cross-linkers, a component (iii) in form of one or more plasticizers, and whereby the insulation element has a bulk density between 70 kg/m3 and 250 kg/m3.

Abstract: The invention relates to a process for manufacturing mineral fibre panels. The invention relates in particular to a process of manufacturing mineral fibre panels having high strength despite reduced binder content, thereby providing improved fire safety.

Abstract: The invention relates to an aqueous binder composition for mineral fibers comprising at least one hydrocolloid.

Abstract: A rotor for a fiberising apparatus includes a rotor housing; a first and second bearing assembly, wherein each bearing assembly has at least two ball bearings, each seated in a respective bearing seat; a substantially horizontal shaft rotatably mounted between the first bearing assembly and the second bearing assembly; and a plurality of resilient dampers arranged in an annular ring, wherein each resilient damper is releasably connected at a first end to the bearing seat and is releasably connected at a second end to the inner wall of the rotor housing.

Abstract: The invention relates to a method of fabricating an insulation element (2) as an insulation box, cap or cover for a valve, a flange or a fitting insulation within a piping system of a technical building equipment. Said method comprising the steps of forming a block of insulating material to be provided with a cavity having a contour of the valve, the flange or the fitting insulation and an outer contour, whereby the block is divided into at least two parts, preferably two halves (3) of the insulation box, cap or cover, and forming a complementary insulating covering (6) having an inner contour according to the outer contour of the block.

Abstract: An apparatus for manufacturing an insulating pipe section includes a rotatable longitudinal mandrel configured for receiving and winding uncured mineral wool around the mandrel to manufacture an insulating pipe section, a belt, preferably an endless belt, at least two longitudinal jaws engaging the belt, wherein the jaws are configured for surrounding the mandrel with the belt, and a mandrel controlling element configured for actively controlling a transverse movement of the mandrel.

Abstract: An anticorrosive composition comprising (a) one or more alkali metal silicate components of the formula Me2O·xSiO2, wherein x has a value of from 0.5 to 4.0, (b) one or more alkali metal phosphate components of the formula Me2O:nP2O5, wherein n has a value of from 0.33 to 1 and/or hydrates thereof, (c) one or more carboxylic acids having 6-22 carbon atoms and/or salts thereof: and the use of the composition for imparting anticorrosive properties to a material such as a mineral wool product.

Abstract: A lamella fixing system includes: at least one supporting profile; at least one lamella comprising a groove; and at least one connector clip for interconnecting the lamella and the supporting profile, wherein the connector clip is made of a steel sheet includes a planar, longitudinal part, at least one rearward folded part for attachment to the supporting profile, and at least one forward folded part for attachment to the lamella groove. The supporting profile is provided with a depression or an opening, such as a slit, in a front flange, and the connector clip is provided with at least one further rearward folded part configured to engage with the depression or opening, such as a slit, of the supporting profile.