Basf Aktiengesellschaft

Baf Aktiengesellschaft

Basf Se Corporation

Thomas Jaworek

Reinhold Schwalm

Gerhard Wagenblast

Volker Schliephake

Harald Keller

Heinz Friedrich Sutoris

J&uuml;rgen Schr&ouml;der

Thomas Daniel

Wolfgang Reich

Wolfgang Paulus

Matthias Weismantel

Rüdiger Funk

Erich Beck

Ulrich Riegel

Jürgen Schröder

Rainer K&ouml;niger

Andreas Popp

Martin Weber

Horst Binder

Frank Dietsche

Klaus Menzel

Helmut Steininger

Matthias Lokai

Rainer Koeniger

J&uuml;rgen Decker

Stefan Wickel

Rainer Rahm

Klaus Joachim M&uuml;ller-Engel

Reiner Kranwetvogel

Frank V&ouml;llinger

Lothar Wolf

Gabriele Hartmann

Rainer Königer

A multicoat system on a substrate, comprising at least one radiation-curable coating system (F) and at least one elastic intercoat (D) which is located between substrate and radiation-curable coating system (F) and has a glass transition temperature (T) of &#x2212;20&#xb0; C. or less.

Radiation-curable paint systems having a lower layer with low-temperature elasticity

A curable aqueous polymer dispersion is prepared by:

Method for producing a curable aqueous polymer dispersion

The present invention relates to novel (meth)acrylic esters of polyalkoxylated trimethylolpropane of the formula where EO is O&#x2014;CH2-CH2-

(Meth)acrylic esters of polyalkoxylated trimethylolpropane

Unsaturated acids are esterified with polyalcohols. The resulting reaction mixtures have utility.

Method for the production of esters of polyalcohols

The present invention relates to novel (meth)acrylic esters of polyalkoxylated trimethylolpropane of the formula 

Method for producing scratch resistant, weatherproof coatings

Method for producing scratch-resistant coatings

An inhibitor mixture containing, as components, a) at least one nitroxyl radical (derivative), b) at least one phenol (derivative) and c) at least one chemical compound which contains at least one phosphorus atom which has the oxidation state &plus;3 is preferably used for stabilizing compounds capable of free radical polymerization.

Inhibitor composition for stabilizing substances capable of free radical polymerization

In a process for stabilizing chemical compounds having at least one ethylenically unsaturated bond to undesired free radical polymerization, a nitroxyl radical and a chemical compound containing phosphorus in chemically bonded form are added to the unsaturated compound present as pure substance or as a component of a mixture.

Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization

Aqueous dispersions of mixtures of (a) polyurethanes having hydrophilic groups which result in water dispersibility of the polyurethane and (b) radiation-curable (meth)acrylate prepolymers which are dilutable in at least 5% by weight of water, such as hydroxyl-containing polyether acrylates, are suitable, owing to their penetration behavior and their high solids absorption in paper, for use as radiation-curable coating or impregnating materials for paper substrates.

Aqueous dispersion of a mixture of a polyurethane with a radiation-curable (meth)acrylate prepolymer

An article having a metallic surface treated with polymeric complexing agent is described. Particularly suitable polymeric complexing agents are phosphonoalkylated polyethyleneimines and/or carboxyalkylated polyethyleneimines and/or vinylimidazole polymers. As a rule, the treated metallic surface forms the total inner surface or a part of the inner surface of a process apparatus or of a container. The surface is protected by the treatment, in particular from the adhesion of polymer.

Apparatus having a metallic surface protected from undesired deposition of polymer

Compounds having alcoholic hydroxyl groups are esterified with acrylic or methacrylic acid in the presence of copper(II) salts or mixtures thereof as polymerization inhibitors and in the presence of a hydrocarbon as a water-entraining agent with removal of the water of reaction at from 90 to 150&deg; C. After the esterification, the copper salt is precipitated as copper sulfide and is separated off from the ester. The light-color (meth)acrylates resulting in the high yields are particularly suitable for coatings containing colored pigment on substrates such as wood, paper, mineral building materials, plastics or metal.

Preparation of (meth)acrylates

Weathering-stable, radiation-curable polyurethanes

Growing community of inventors

Kallstadt, Germany

Thomas Jaworek