Abstract: The use of a composition which is liquid under standard conditions (20° C., 1 bar) as a coating material, wherein the composition comprises a) an unsaturated polyester resin composed of ?-olefinically unsaturated polycarboxylic acids, polyols, and optionally further compounds, b) compounds with vinyl ether groups (vinyl ethers for short), and c) optionally ?-olefinically unsaturated polycarboxylic acids or their monoesters or diesters, where the sum of the double bonds of the ?-olefinically unsaturated polycarboxylic acids from a) and optionally of the compounds c) to the double bonds of the vinyl ethers b) is in a molar ratio of 1.3:1 to 0.8:1.

Abstract: The use of a composition which is liquid under standard conditions (20° C., 1 bar) as a coating material, wherein the composition comprises a) an unsaturated polyester resin composed of ?-olefinically unsaturated polycarboxylic acids, polyols, and optionally further compounds, b) compounds with vinyl ether groups (vinyl ethers for short), and c) optionally ?-olefinically unsaturated polycarboxylic acids or their monoesters or diesters, where the sum of the double bonds of the ?-olefinically unsaturated polycarboxylic acids from a) and optionally of the compounds c) to the double bonds of the vinyl ethers b) is in a molar ratio of 1.3:1 to 0.8:1.

Abstract: A thermosetting transparent coating material, its preparation and use. The coating includes (meth)acrylate (co)polymer having a number-average molecular weight of from 1,000 to 6,000 daltons, a glass transition temperature of ?15 to +70° C., and a hydroxyl number of from 80 to 200 mg KOH/g; polyester having a number-average molecular weight of from 800 to 6,000 daltons, a hydroxyl number of from 80 to 200 mg KOH/g and an acid number of from 1 to 50 mg KOH/g, comprising, based on the polyester, from 30 to 70% by weight of cycloaliphatic structural units; a blocked polyisocyanate in which the blocked polyisocyanate groups are attached to flexibilizing structural units which, as part of a three-dimensional network, lower its glass transition temperature; and blocked polyisocyanate in which the blocked polyisocyanate groups are attached to hardening structural units which, as part of a three-dimensional network, raise its glass transition temperature.

Abstract: A thermosetting transparent coating material, its preparation and use. The coating includes (meth)acrylate (co)polymer having a number-average molecular weight of from 1,000 to 6,000 daltons, a glass transition temperature of ?15 to +70° C., and a hydroxyl number of from 80 to 200 mg KOH/g; polyester having a number-average molecular weight of from 800 to 6,000 daltons, a hydroxyl number of from 80 to 200 mg KOH/g and an acid number of from 1 to 50 mg KOH/g, comprising, based on the polyester, from 30 to 70% by weight of cycloaliphatic structural units; a blocked polyisocyanate in which the blocked polyisocyanate groups are attached to flexibilizing structural units which, as part of a three-dimensional network, lower its glass transition temperature; and blocked polyisocyanate in which the blocked polyisocyanate groups are attached to hardening structural units which, as part of a three-dimensional network, raise its glass transition temperature.

Abstract: An aqueous coating material comprising A) at least one polyester that is water-soluble or water-dispersible, B) at least one polyurethane acrylate that is water-soluble or water-dispersible, C) at least one amino resin that is itself water-soluble or water-dispersible or is water-soluble or water-dispersible in the presence of the polyester and the polyurethane acrylate, D) at least one of a color pigment, an effect pigment, a color and effect pigment, and a filler, and E) optionally at least one polyisocyanate. Also, processes for preparing and using the aqueous coating material.

Abstract: A rheological aid comprising at least one urea derivative preparable by reacting

Abstract: The invention provides a composition for producing surface coatings combining improved hardness, scratch resistance and acid resistance with good reflow behavior, a process for preparing such a surface coating, and for the use of polyisocyanatoisocyanurates having a functionality of more than 3.5 and a viscosity at 23° C. of more than 3500 to produce surface coatings.

Abstract: A pseudoplastic powder clearcoat slurry which is free from organic solvents and external emulsifiers and comprises solid spherical particles with an average size of from 0.8 to 20 &mgr;m and a maximum size of 30 &mgr;m, at least one ionic thickener and at least one nonionic associative thickener, the powder clearcoat slurry having an ion-forming group content of from 0.05 to 1 meq/g, a neutralizing agent content of from 0.05 to 1 meq/g, and a viscosity of (i) from 50 to 1 500 mPas at a shear rate of 1 000 s−1, (ii) from 150 to 8 000 mPas at a shear rate of 10 s−1, and (iii) from 180 to 12 000 mPas at a shear rate of 1 s−1.

Abstract: A powder coating slurry, especially a powder clearcoat slurry, comprising at least one hydroxyl-containing binder A, at least one polyisocyanate crosslinking agent B, and water, where 1) the hydroxyl-containing binders A and the polyisocyanates B have been homogenized such that not less than 30, preferably not less than 60 and in particular not less than 90% by weight of the polyisocyanate B are present in solution or dispersion in the particles comprising the binders A, and 2) the particles of the crosslinking agent B which may still be present in the aqueous phase, and the particles comprising the binders A and the crosslinking agents B, have been stabilized, by way of the isocyanate groups present on their surface, by means of a deactivator added to the aqueous phase.

Abstract: A reactive polyurethane with a number average molecular weight Mn of 800 to 14,000 daltons, a branching degree of 0.0 to 3.0 Mol/kg and an isocyanate functionality of 2.0 to 6.0. The reactive polyurethane is produced by reacting polyester and/or polyether, which both have at least two functional groups that are reactive with isocyanate and which have a molecular weight of 400 to 2,500 daltons and a branching degree of 0 to 3.5 Mol/kg; with at least one polyol with a molecular weight of 62 to 400 daltons and a functionality of 2 to 4; polyamines and/or alkanolamines; compounds with at least one functional group capable of producing anions and at least one functional group that is reactive with isocyanates; polyisocyanates and/or polyisocyanate adducts; blocking agents for the isocyanate groups and neutralizer. Also, a polyurethane dispersion containing the reactive polyurethanes.

Abstract: A coating composition comprising A) at least one hydroxyl-containing polyacrylate containing in copolymerized form at least one polysiloxane macromonomer as binder and B) at least one tris(alkoxycarbonylamino)triazine as crosslinking agent, and its use to produce multicoat clearcoats and multicoat topcoats.

Abstract: The invention relates to nonaqueous coatings containing a polyacrylate resin and a urea group-containing thixotropic agent and having improved surface properties. The polyacrylate resin is prepared by polymerizing (a) from 16 to 51% by weight of a hydroxyl group-containing ester of acrylic acid or methacrylic acid or of a mixture of such monomers; (b)from 32 to 84% by weight of an aliphatic or cycloaliphatic ester of acrylic acid or methacrylic acid which is different from (a) and has at least 4 carbon atoms in the alcohol radical or of a mixture of such monomers; (c) from 0 to 2% by weight of an ethylenically unsaturated carboxylic acid or of a mixture of ethylenically unsaturated carboxylic acids, and (d)from 0 to 30% by weight of an ethylenically unsaturated monomer which is different from (a), (b) and (c) or of a mixture of such monomers.

Abstract: Aqueous solutions or dispersions of binders for preparing aqueous coating materials are produced, including as an aqueous component water of reaction which is obtained during the condensation of alcohols with carboxylic acids.

Abstract: Aqueous solutions or dispersions of binders for preparing aqueous coating materials are produced, including as an aqueous component water of reaction which is obtained during the condensation of alcohols with carboxylic acids.

Abstract: The present invention relates to coating materials with hydroxyl-containing polymers and di- and/or polyisocyanates, at least some of whose isocyanate groups are blocked with a mixture of from 30 to 85% by weight of one or more dialkyl malonates in which at least one of the ester radicals is an aliphatic, cycloaliphatic and/or araliphatic secondary alkyl radical having at least 3 carbon atoms and 70 to 15% by weight of at least one other dialkyl malonate. Preparation and the blocked polyisocyanates and coating materials and use of the coating materials is also provided.

Abstract: A process for preparing binders for one-component paint systems has the following steps: (I) preparation of a polyurethane-alkyd resin component (A) composed of a mixture (a) of (a1) an unsaturated C.sub.6 -C.sub.30 fatty acid with at least two non-conjugated double bonds, and (a2) an unsaturated C.sub.6 -C.sub.

Abstract: The present invention relates to a water-dilutable polyester comprisinga) at least 25 mol-% of cycloaliphatic structural units, preferably from 30 to 50 mol-%,b) up to 20 mol-% of aromatic structural units, preferably from 10 to 15 mol-%,c) at least 30 mol-%, preferably from 35 to 50 mol-%, of aliphatic diols having a number of carbon atoms .gtoreq.4, andd) at least 20 mol-%, preferably from 25 to 40 mol-%, of polyols containing branched aliphatic chains.

Abstract: A process for coating or printing substrates with a coating or printing composition comprises applying a polymerizable material containing liquid-crystalline, polymerizable monomers which carryat least two polymerizable groups for coating andat least one polymerizable group for printing,to the substrate, and subsequently carrying out the polymerization, where the coating composition or the printing composition comprisesa.sub.1) a chiral liquid-crystalline monomer andb) a polymeric binder and/or monomeric compounds which can be converted into the polymeric binder by polymerization, or, in the case of emulsion coatings and printing inks, a dispersion auxiliary d),or the coating composition or the printing composition comprisesa.sub.

Abstract: The invention relates to nonaqueous paints which comprise(A) a hydroxyl group-containing synthetic resin or a mixture of hydroxyl group-containing synthetic resins(B) an amino resin or a mixture of amino resins(C) a blocked polyisocyanate or a mixture of blocked polyisocyanates, and(D) a pigment or a mixture of pigments, and are characterized in that component (C) contains both isocyanate groups blocked with a blocking agent (I) and isocyanate groups blocked with a blocking agent (II), in which contextthe blocking agent (I) is a dialkyl malonate or a mixture of dialkyl malonates,the blocking agent (II) is a blocking agent which is different from (I) and contains active methylene groups, or is an oxime, or is a mixture of these blocking agents, andthe ratio of equivalents between the isocyanate groups blocked with (I) and the isocyanate groups blocked with (II) is between 1.0:1.0 and 9.0:1.0.

Abstract: The invention relates to basecoats for the production of paint systems of the basecoat-clearcoat type, which comprise a water-thinnable polyacrylate resin obtainable by polymerizing in a first stage in an organic solvent ethylenically unsaturated monomers free from carboxyl groups and, after at least 80% by weight of these monomers have reacted, polymerizing in a second stage monomers containing carboxyl groups and neutralizing the polyacrylate resin obtained in this way.