Abstract: A high-reactivity polyurethane composition useful in coatings and adhesives, contains the following components A)-D): A) 5 to 98.7 wt %, based on the total mass of the components, of at least one compound containing an uretdione group, and a free NCO content of less than 5 wt %, and an uretdione content of 2 to 25 wt %, based on i) aliphatic and/or (cyclo)aliphatic and/or cycloaliphatic polyisocyanates and ii) compounds containing hydroxyl groups; B) 0.2 to 5 wt %, based on the total mass of the components, of at least one catalyst selected from the group consisting of a substituted carbonate salt having a quaternary ammonium counterion, a substituted carbonate salt having a quaternary phosphonium counterion and mixtures thereof; C) 0.

Abstract: The present invention relates to the use of substituted benzyl alcohols as modifiers in epoxy systems.

Abstract: The invention relates to water-soluble or water-dispersible, hydrophilic polyisocyanates and polyisocyanate mixtures, to a process for preparing them, and to their use as a starting component in the production of polyurethane polymers, more particularly as crosslinkers for water-soluble or water-dispersible film-forming binders, adhesives binders, or sealant binders or binder components with or without groups which are reactive towards isocyanate groups.

Abstract: A reactive composition contains A) an aqueous polyurethane-polyurea dispersion containing an uretdione group and having an internal emulsifier, the emulsifier having at least one ionogenic group which, in the case of an acidic ionogenic group, has a pKa in water of >8 at room temperature or, in the case of a basic ionogenic group, has a pKb of >8 at room temperature, B) at least one diamine and/or polyamine, wherein a ratio of a latent NCO group in the polyurethane-polyurea dispersion A) containing an uretdione group to the amine groups in component B) is from 4:1 to 1:1, and C) optionally, at least one member selected from the group consisting of an auxiliary, an adjuvant and a catalyst.

Abstract: The invention relates to water-soluble or water-dispersible, hydrophilic polyisocyanates and polyisocyanate mixtures, to a process for preparing them, and to their use as a starting component in the production of polyurethane polymers, more particularly as crosslinkers for water-soluble or water-dispersible film-forming binders, adhesives binders, or sealant binders or binder components with or without groups which are reactive towards isocyanate groups.

Abstract: A process for the production of storage-stable epoxy prepregs is provided. In addition, composites produced from the prepregs based on epoxides and acids having groups reactive to free-radical polymerisation is provided.

Abstract: The present invention relates to a composition comprising (A) an isocyanate of formula (I) OCN-A-SiR1R2R3 (I), wherein A is straight-chain, branched, substituted and/or unsubstituted aliphatic hydrocarbyl of 1 to 12 carbon atoms or substituted or unsubstituted cycloaliphatic hydrocarbyl of 4 to 18 carbon atoms, wherein R1 is selected from the group comprising —O—Ralk, wherein R2 and R3 are each independently selected from the group of substituents comprising —Ralk and —O—Ralk, and wherein —Ralk is hydrocarbyl of 1 to 6 carbon atoms, and B) a Bronstedt or Lewis acid or a compound which releases a Bronstedt or Lewis acid at room temperature; and also to a process for producing a stabilized alkoxysilane-containing isocyanate comprising the step of adding a Lewis or Bronstedt acid or a compound which releases a Bronstedt or Lewis acid at room temperature to an alkoxysilane-containing isocyanate.

Abstract: The invention relates to a low-monomer NCO prepolymer composition of the type A-B-A, which is obtained by reacting CH-acidic compounds with diisocyanates, and methods for the production and use thereof.

Abstract: The invention relates to an aqueous composition, comprising A a water-soluble or water-dispersible binder, or a water-soluble or water-dispersible component containing carboxyl groups, and B at least one cyclic hydroxyalkylamide.

Abstract: The invention relates to innovative, water-dispersible, hydrophilic polyisocyanates and polyisocyanate mixtures, to a process for preparing them, to compositions comprising the hydrophilic polyisocyanates of the invention, and to their use as a starting component in the production of polyurethane plastics, more particularly as crosslinkers for water-soluble or water-dispersible film-forming, adhesives or sealant binders or binder components having groups which are reactive towards isocyanate groups.

Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.

Abstract: The invention relates to curable compositions comprising at least one epoxy resin and at least one hardener wherein the hardener is a compound of formula (I) or (II) where R1 and R2 are each independently selected from the group of substituents having the formula —(CH2)x—NH2 and x is in each case independently 0, 1, 2, 3 or 4, to surfaces comprising such compositions, to methods comprising applying a coating material comprising such compositions and to the use of such compositions as surface protection.

Abstract: The invention relates to a composition comprising components which are selected from A) at least one compound containing at least one carbodiimide group, B) at least one compound containing at least one carboxylic anhydride group, C) optionally solvents and D) optionally excipients and additives. The invention also relates to a method for producing, and also using, same.

Abstract: The invention relates to new ?-hydroxyalkylamides, to a method for production of same and to the use of same.

Abstract: The invention relates to novel ?-hydroxyalkylamides, to a method for their production and to the use thereof.

Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.

Abstract: The invention relates to the use of ?-isophorone as solvent.

Abstract: The invention relates to low monomer 1:1 monoadducts of reactive olefinic compounds and diisocyanates, to the production and to the use thereof.

Abstract: The invention relates to high-reactivity polyurethane compositions which contain uretdione groups and cure at low baking temperatures, to a process for the preparation and to their use for producing coating materials, especially surface coatings and adhesives, and also plastics.

Abstract: The present invention relates to the use of oligomeric siloxane components in radiation-curable formulations which in the cured state offer a particular degree of corrosion control for metallic substrates.