Bayer Aktiengesellschaft

Horst Clemens

Joachim Probst

Harald Blum

Joachim Wolff

Christoph Irle

Michael Ehlers

Wolfgang Fischer

Hans-Josef Laas

Jurgen Meixner

Helmut-Martin Meier

Wolfgang Kremer

J&uuml;rgen Meixner

Armin Sickert

Erhard L&uuml;hmann

The invention relates to aqueous reactive 2-component binder combinations for aqueous reactive filler compositions, processes for the preparation of aqueous reactive filler compositions based on aqueous reactive 2-component binder combinations and the use of such filler compositions.

Aqueous reactive putty (I)

The invention relates to an aqueous 2-component polyurethane (PU) coating composition comprising a vinyl polymer polyol dispersion, having a hydroxyl number between 10 and 264 mg KOH/g solid resin, an acid value (calculated from the sum of neutralized and non-neutralized acid groups) between 0 and 55 mg KOH/g solid resin, a number-average molecular weight M of at least 5000 g/mol and a weight average molecular weight M of at least 30,000 g/mol, a glass transition temperature of at least 20&deg; C. and an average particle diameter of no greater than 300 nm, which is prepared in the presence of 0.1 to 10.0 wt. %, relative to the sum of the solids contents of polymer polyol and polyisocyanate, of a non-ionic polyether surfactant and a polyisocyanate having a viscosity at 23&deg; C. of no more than 12,000 mPa*s and either a non-hydrophilic or a non-ionically or anionically hydrophilic character, whereby the equivalent ratio of isocyanate groups of component b) to hydroxyl groups of component a) is 0.2:1 to 5:1; a process for the preparation of such aqueous 2-component coating compositions, and their use as 2-component PU paints for painting any type of substrate.

Aqueous 2-component PU systems

Aqueous reactive putties (II)

The present invention relates to novel tertiary amines derived from bisphenoles, diepoxides and aromatic secondary amines, to a process for their preparation and to their use as hardening accelerators for ethylenically unsaturated cold hardenable acrylic and polyester resins.

Tertiary amines, a process for their preparation and their use as

A coating is obtained on a substrate by applying to the substrate a composition containing as a binder an unsaturated polyester and hardening the coating by infra-red radiation, wherein the binder is a monomer-free olefinically unsaturated polyester resin having a viscosity of 2,000 to 5,000 mPa.s at 23.degree. C. and consists essentially of the esterification reaction product of:

Process for the production of coatings based on unsaturated polyester

Growing community of inventors

Krefeld, Germany

Horst Clemens