Abstract: An open-pore formed body based on inorganic, partially open-pore light granulates is based on at least one material from the group of alkali silicates, alkali-alkali earth silicates, aluminosilicates, borosilicates, and variants in the three material system CaO—SiO2—Al2O3 in combination with additional metal oxides such as TiO2 FeO3 Mn2O3. It has a bulk density of 0.10 to 0.60 kg/dm3 measured according to DIN EN 1097-3, wherein the light granulate is provided with a hydrophobised surface and is bound with an organic binding agent to form the formed body.

Abstract: A moisture-curing hot-melt-adhesive composition in granulate, tablet or powder form can be produced by a.) fusing the reactive hot-melt-adhesive composition and heating the melt, subject to exclusion of moisture, b.) extruding this melt through one or more dies onto a cooled surface, subject to exclusion of moisture, c.) cooling the granulate, subject to exclusion of moisture, whereby the composition solidifies, d.) removing the cooled hot-melt-adhesive granulate, e.) filling the granulate into moisture-tight packages, subject to exclusion of moisture. These reactive hot-melt adhesives are pourable and free-flowing and therefore can be used with all conventional application machines for hot-melt adhesives.

Abstract: Moldings based on polyurethane binders containing at least one polyisocyanate, at least one polyol or polyamine, at least one carboxylic acid such as a long-chain fatty acid, and, if appropriate, water and/or one or more amines with one or more fillers have high flexibility if the average particle diameter of the fillers is up to 2.5 mm. The fillers preferably contain particles having round, oval or completely irregular structures. The binder composition and the fillers are reacted at a pressure of 1 MPa to 40 MPa (preferably, at temperatures of from about 60 to about 180° C. for from about 1 to 30 min), and then the shaping apparatus is depressurized. The resultant moldings are suitable for the production of sheets or of semifinished products for the coating of furniture, kitchen worktops, floors, walls, stairs, or ceilings.

Abstract: A moisture-curing hot-melt-adhesive composition in granulate, tablet or powder form can be produced by

Abstract: A two-component polyurethane adhesive for adhesively bonding wooden materials based on a polyol component A consisting of

Abstract: The invention is a process for producing a particulate cellulose containing composite and the product of the process. The composite is formed by mixing a cellulose containing material with a polyol and water to form a first mixture. The first mixture is mixed with an equivalent excess of a polyisocyanate to form a second mixture which is reacted under pressure of 1 Kg/cm2 to 100 Kg/cm2 at a temperature of 10° C. to 30° C. for from 5 minutes to 30 minutes to form the composite.

Abstract: The invention relates to a filter in which dust-containing silica sand is held together by a polyurethane binder, the polyurethane binder containing an organotin compound with a molecular weight of more than 600 as catalyst and a mixture of highly dispersed silica and/or bentonites with a thickened aluminosilicate as modifier. The filter is particularly suitable for the production of drinking water from ground water in surface mining regions.

Abstract: A process of bonding a plastic is provided. The process comprises applying to a plastic surface an aqueous dispersion of a hydroxyl-functional polyurethane prepolymer obtained by:(1) reaction of:a polyol component containing a polyester polyol,a compound selected from the group of compounds containing groups capable of salt formation and at least two isocyanate-reactive groups,an isocyanate component in a stoichiometric excess, at least 20% by weight of said component consisting of tetramethyl xylylene diisocyanate, and(2) subsequent dispersion in water and at least partial reaction of the remaining NCO groups with an aminoalcohol and, optionally, subsequent chain extension. The process further comprises drying said applied aqueous dispersion to form a primer and bonding said plastic surface having said primer to a part to be joined thereto. The process is particularly useful for priming plastics such as polyvinyl chloride.

Abstract: A composition useful as a casting resin is provided. The composition comprises a polyol, a polyisocyanate, a catalyst, and a suspension aid, and said catalyst and said suspension aid are present in the casting resin in such concentrations that, within 10 minutes of mixing, it flows downwards a) by at least 15 cm at 25.degree. C. and b) by 3 to 0.3 cm at 130.degree. C. The casting resin is particularly useful as a binder for a granular material in the production of open-cell moldings which are permeable to water.

Abstract: Rubber based adhesives containing liquid stereospecific polybutadiene rubber, one or more hardeners or hardener systems, fillers and optionally primers, which contain one or more chemically irreversibly depolymerized solid rubbers of natural or synthetic origin in quantities of from 1.5 to 5% by weight, based on the sum of the constituents, to a process for the production of these low-viscosity rubber-based adhesives by chemically irreversible depolymerization of one or more solid rubbers of natural or synthetic origin, and to the use of these low-viscosity rubber-based adhesives in the bonding of metal components in automotive manufacturing.

Abstract: The invention relates to a new primer for pretreating glass in readiness for waterproof bonding to other substrates. The primer contains resins, functional silanes, solvents, and organosilazanes and, if desired, polyfunctional isocyanates and other additives. Compared with conventional primers, the resistance of the bond to hydrolysis is significantly improved.

Abstract: The invention relates to a new primer for pretreating glass in readiness for waterproof bonding to other substrates. The primer contains resins, functional silanes, solvents, and organosilazanes and, if desired, polyfunctional isocyanates and other additives. Compared with conventional primers, the resistance of the bond to hydrolysis is significantly improved.

Abstract: An aqueous binder dispersion for use in the production of composite bodies by vulcanizing a vulcanizable rubber composition on a substrate which is stable under vulcanization conditions comprising water and at least one emulsifier and a solids content of from 20% to 50% by weight of a solids composition of,(a) per 1000 parts by weight of a polymer selected from the group consisting of polyvinylidene chloride, vinylidene chloride/alkyl acrylate copolymers, butadiene/acrylonitrile copolymers and mixtures thereof,(b) from 100 to 500 parts by weight of at least one aromatic poly-C-nitroso compound,(c) from 50 to 300 parts by weight of masked polyfunctional isocyanates,(d) from 20 to 100 parts by weight of a water-soluble polymer selected from the group consisting of polyvinyl pyrrolidone and water-soluble copolymers of vinyl pyrrolidone, and(e) from 5 to 500 parts by weight of customary fillers and pigments, adhesion-improving resins based on formaldehyde condensation products, adhesion-improving condensation pro