Abstract: A formaldehyde-free aqueous binder comprising A) a free-radically polymerized polymer containing from 5 to 100% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl groups can form an anhydride group, and B) an alkanolamine having at least two hydroxyl groups, is useful as binder for renewable raw materials in the form of fibers or chips to produce shaped articles.

Abstract: Heat-curable aqueous compositions which comprise a carboxyl-containing polymer component and optionally a hydroxyalkylated amine are used as binders for shaped articles.

Abstract: Thermally curable aqueous compositions comprising a low-acid and an acid-rich polymer component and also a hydroxyalkylated amine are used as binders for shaped articles.

Abstract: The use of a formaldehyde-free aqueous binder comprisingA) a polymer obtained by free-radical polymerization comprising 5-100% by weight of an ethylenically unsaturated acid anhydride or of an ethylenically unsaturated dicarboxylic acid whose carboxyl groups may form an anhydride group, andB) an alkanolamine having at least two hydroxyl groupsas a coating composition for shaped articles.

Abstract: The invention relates to a pulverulent polymer composition comprisinga) a particulate mineral carrier of high specific surface area andb) a polymer dispersion applied to the carrier, andto a process for preparing this pulverulent polymer composition, to its use for preparing building materials, and to polymer-modified building materials, such as bitumen, dry mortars, powder adhesives, pulverulent coating formulations and filling compounds, all of which comprise such polymer compositions.

Abstract: Thermally curable mixtures of hydroxyalkylated polyamines and polycarboxylic acids are formaldehyde-free and particularly useful as binders for shaped articles.

Abstract: A method for forming shaped products by mixing a formaldehyde-free aqueous binder comprising A) a free-radically polymerized polymer containing from 5 to 100% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl group can form an anhydride group, and B) an alkanolamine having at least two hydroxyl groups, with fibers or chips to form a shaped article, wherein said binder has a property of drying at 50.degree. C. in 72 hours to a film from 0.3 to 1 mm in thickness and, following a subsequent 15 minute cure at 130.degree. C. in air, has a gel content of above 50% by weight, wherein the binder includes less than 0.1% by weight, based on A)+B), of a phosphorus-containing reaction accelerant with fibers or chips.

Abstract: Cationically stabilized aqueous styrene/(meth)acrylate copolymer emulsions whose dispersed copolymer has a static glass transition temperature of from 40 to 110.degree. C. and which contain, as a dispersant, a mixture of at least one organic monoamine of .gtoreq.8 carbon atoms and an acid addition salt thereof are used as binders for moldings based on finely divided materials having a negative surface charge.

Abstract: At least one compound ##STR1## is added to mineral building materials modified with polymers in order to increase their adhesive power on foams based on polystyrene.

Abstract: Aqueous dispersions of polymers which have a high glass transition temperature and a low average molecular weight and contain a specific amount of methacrylic acid as polymerized units are suitable, in liquid or dried form, as additives for improving the flow behavior of cement-containing mineral building materials having binding properties.

Abstract: This invention deals with porous, substantially foam-free composite material of grainy solid material particles of a certain grain size, which is solidified with a binder mixture of isocyanate-group-containing prepolymers, water, and possibly auxiliaries, and the manufacture and application of such products.