Basf Coatings Gmbh

Matthijs Groenewolt

Manuela Niemeier

Elke Westhoff

Simone Hesener

Andreas Poppe

Wilfried Stübbe

Berthold Austrup

Jörg Müller

Peter Hoffmann

Alexandra Steffens

Jan-Bernd Kues

Guenter Klein

Oliver Hilge

Stefanie Schroeder

Andrea Frank

Katharina Hübner

Katharina Hubner

Aaron Flores-Figueroa

Rainer Klopsch

Günther Michael

Jorg Muller

Georg Wigger

Benedikt Schnier

Sabine Holtschulte

Britta Schnieders

Günter Klein

Pedro Cavaleiro

Björn Feldmann

Andre Brosseit

Elisabeth Wessling

Kristin Michel

Hans-Leo Karminski

Karin Homann

Wilma Nimz

Tilo Kühs

Wilfried Stuebbe

Wilfred Stübbe

Sebastian Frerick

Katharina Huebner

Christian Arens

Silke Hanning

Thomas Kepler

Stefanie Schröder

The present invention provides nonaqueous coating material compositions, multistage coating processes and also the use of the coating material compositions, comprising

Coating material compositions and coatings produced therefrom combining high scratch resistance and good polishability and good optical properties, and use thereof

The present invention relates to a multicoat effect and/or color paint system, a method for producing the multicoat paint system, and also the use thereof. The transparent coating material composition comprises at least one rheological assistant (R) based on fumed silica and comprises a polyisocyanate group-containing component (B) which additionally has at least one structural unit of the formula (I) and/or at least one structural unit of the formula (II).

Multicoat effect and/or color paint system and method for producing it, and its use

The present invention relates to a nonaqueous coating material composition comprising at least one compound (A) having at least two amino groups and at least one oligomeric and/or polymeric compound (B) having at least two alkylidene-1,3-dioxolan-2-one groups. Compound (B) is obtained using at least one monomer (B1) of formula (I) where R-R, A, X, Z, and Y are as set forth in the specification and at least two different comonomers (B2) and (B3) which are each different from the monomer (B1). The present invention further provides the coatings produced from these coating material compositions, and also the use thereof.

Coating material compositions and low-temperature-curable coatings produced therefrom, and use thereof

Disclosed are nonaqueous coating material compositions comprising (A) at least one polyhydroxyl-group-containing compound, (B) at least one polyisocyanate-group-containing compound having free or blocked isocyanate groups, and (D) at least one catalyst for the crosslinking of silane groups, where component (B) comprises at least one structural unit&#x2014;NR&#x2014;(X&#x2014;SiR&#x2033;(OR')3&#x2212;)&#x2003;&#x2003;(I),

Coating material compositions, coatings made therefrom and exhibiting high scratch resistance and good polishability, and use thereof

Disclosed are aqueous coating compositions comprising at least one hydroxyl-containing compound (A), at least one compound (B) having isocyanate groups and also having hydrolyzable silane groups, and at least one catalyst (C) wherein the compound (B) has 10 mol % to less than 90 mol % of at least one structural unit (I)&#x2014;N(X&#x2014;SiR&#x2033;(OR')3-)(X&#x2032;&#x2014;SiR&#x2033;(OR&#x2032;)3-)&#x2003;&#x2003;(I)Where R&#x2032;=hydrogen, alkyl or cycloalkyl, X, X&#x2032;=linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R&#x2033;=alkyl, cycloalkyl, aryl or aralkyl, n=0 to 2, m=0 to 2, m+n=2, and x, y=0 to 2, and more than 10 to 90 mol % of at least one structural unit (II) &#x2014;Z&#x2014;(X&#x2014;SiR&#x2033;x(OR&#x2032;)3-x) (II), where Z=&#x2014;NH&#x2014;, &#x2014;NR&#x2014;, &#x2014;O&#x2014; or &#x2014;S&#x2014;, where R=alkyl, cycloalkyl, aryl or aralkyl, and x, X, R&#x2032; and R&#x2033; have the definition indicated for formula (I).

Aqueous polyurethane coating material and coatings produced therefrom and having high scratch resistance and good chemicals resistance

Described are nonaqueous coating material compositions comprising (A) at least one polyhydroxyl group-containing compound, (B) at least one polyisocyanate group-containing compound having free or blocked isocyanate groups, (D) at least one catalyst (D) based on a zinc-amidine complex which is preparable by reacting one or more zinc(II) biscarboxylates with an amidine of the formula (I) or with a mixture of two or more amidines of the formula (I) and (S) at least one monomeric aromatic optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a &#x3c0;-electron system, wherein the component (B) comprises at least one structural unit &#x2014;NR&#x2014;(X&#x2014;SiR&#x2033;x(OR')3-x) (II), and/or at least one structural unit &#x2014;N(X&#x2014;SiR&#x2033;x(OR&#x2032;)3-x)n(X&#x2032;&#x2014;SiR&#x2033;y(OR&#x2032;)3-y)m (III). Also described are multistage coating methods, and the use of the coating material compositions.

Polyurethane coating material composition, multi-stage coating methods

Coating compositions comprising at least one hydroxyl-containing compound (A), at least one isocyanato-containing compound (B) and at least one urea-group-containing compound (H) different from (B), compound (H) comprising at least one structural unit selected from the group consisting of a structural unit (I) a structural unit (II) a structural unit (III)&#x2014;NR'&#x2033;&#x2014;C(O)&#x2014;N(X&#x2014;SiR&#x2033;(OR&#x2032;))(X&#x2032;&#x2014;SiR&#x2033;(OR&#x2032;)), and combinations of two or more of the foregoing, compound (H) being obtained by reacting an isocyanato-containing compound (H) with amino-containing compounds, wherein in compound (H) more than 90 mol % of the isocyanate groups originally present in (H) have undergone reaction to form the structural units (I), (II), (III), or combinations thereof, where R&#x2032;, R&#x2032;&#x2033;=hydrogen, alkyl, cycloalkyl, aryl or aralkyl; R, R&#x2033;=alkyl, cycloalkyl, aryl or aralkyl; X, X&#x2032;=linear and/or branched alkyl or cycloalkyl radical; x, y, n, m=0 to 2; and m+n=2.

Coating agents having improved runoff tendency

Disclosed are coating compositions including (A) at least one member selected from hydroxyl-containing polyacrylate, polymethacrylate, polyurethane, polyester, polysiloxane, and combinations of two or more of the foregoing, (B) at least one compound having blocked isocyanate groups and having alkoxysilane groups, wherein (i) the hydroxyl groups of component (A) are blocked with at least one acyclic orthoester, (ii) the compound (B) has at least one structural unit (II)&#x2014;N(X&#x2014;SiR&#x2033;(OR))(X'&#x2014;SiR&#x2033;(OR))&#x2003;&#x2003;(II),where R=hydrogen, cycloalkyl radical or alkyl radical, X,X&#x2032;=linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R&#x2033;=alkyl, cycloalkyl, aryl or aralkyl, n, m, x, y=0 to 2, and also m+n=2, and (i) at least 90 mol % of the alkoxysilane groups are ethoxysilane groups. Also disclosed are multistage coating processes, use of the compositions as clearcoat materials and application of the processes for automotive OEM finishing.

Coating agents with good storage stability, and coatings produced therefrom with high scratch resistance and simultaneously good weathering resistance

Compositions comprising (B1) at least one polyisocyanate-group-containing compound (B1) having free or blocked isocyanate groups and a cycloaliphatic polyisocyanate parent structure, and/or a polyisocyanate derived therefrom, and (B2) at least one polyisocyanate-group-containing compound (B2) having free or blocked isocyanate groups and an acyclic, aliphatic polyisocyanate parent structure, and/or a polyisocyanate derived therefrom, where at least one of component (B1) and component (B2) comprise at least one structural unit selected from the group of structural unit (I)&#x2014;NR&#x2014;(X&#x2014;SiR&#x2033;(OR')3-)&#x2003;&#x2003;(I),structural unit (II)&#x2014;N(X&#x2014;SiR&#x2033;(OR&#x2032;)3-)(X&#x2032;&#x2014;SiR&#x2033;(OR&#x2032;)3-)&#x2003;&#x2003;(II),and mixtures of two or more of the foregoing, wherein the compound (B1) is in an amount such that the binder fraction of the compound (B1) is between 5% and 45% by weight, based on the sum of the binder fraction of the compound (B1) and of the compound (B2), and the mixture of components (B1) and (B2) includes structural units (I) and structural units (II).

Coating agent compositions, coatings made therefrom and exhibiting high scratch resistance and good polishability, and use thereof

Disclosed are coating compositions comprising at least one hydroxyl-containing compound (A) and at least one isocyanato-containing compound (B), wherein one or more of the constituents of the coating composition comprise between 2.5 and 97.5 mol %, based on the entirety of structural units (I) and (II), of at least one structural unit of the formula (I)&#x2014;N(X&#x2014;SiR&#x2033;(OR'))(X&#x2032;&#x2014;SiR&#x2033;(OR&#x2032;))&#x2003;&#x2003;(I)and between 2.5 and 97.5 mol %, based on the entirety of structural units (I) and (II), of at least one structural unit of the formula (II)&#x2014;Z&#x2014;(X&#x2014;SiR&#x2033;(OR&#x2032;))&#x2003;&#x2003;(II).

Coating agents having high scratch resistance and weathering stability

Provided is a coating composition comprising

Coating composition having a high solids content and good levelling and also multilayer surface coatings produced therefrom and their use

The present invention relates to a process for the coating of polycarbonate substrates, in particular of transparent polycarbonate substrates, by applying a transparent coating composition encompassing at least one radiation-curing binder resin (A) and/or reactive diluent (C), nanoparticles (B), optionally solvent and at least one light stabilizer (L), to a polycarbonate substrate, wherein the coating composition comprises at least one light stabilizer (L) which comprises, per molecule, an average of at least one ethylenically unsaturated group bonded by way of a urethane group. The present invention also relates to the coating compositions used in said process, and to the coated polycarbonate substrates obtainable via the process, and to their use.

Scratch-resistant-coated polycarbonates with high transparency, process for their production, and their use

The present invention relates to coating compositions comprising The invention provides multistage coating processes using these coating compositions.

Coating compositions and coatings produced from them and featuring high scratch resistance in association with good results in the Erichsen cupping test and good antistonechip properties

Disclosed is a coating composition for coating polycarbonate substrates. The coating composition comprises (A) at least one radiation-curing binder, (B) nanoparticles, and (C) optionally at least one reactive diluent and/or optionally a solvent, and wherein the nanoparticles (B) comprise silicon dioxide nanoparticles , the silicon dioxide nanoparticles have a dof between 80 and 300 nm, and the silicon dioxide nanoparticles have a particle size distribution wherein less than 15% by weight of the particles have a size in the range of less than 80 nm, 75% to 95% by weight of the particles have a size in the range from 80 to 300 nm, 0% to 5% by weight of the particles have a size in the range from more than 300 to 1000 nm, and 0% to 5% by weight of the particles have a size in the range from more than 1000 nm to 10 000 nm.

High-transparency polycarbonates with scratch-resistant coating, process for production thereof and use thereof

The present invention relates to a coating composition comprising

Growing community of inventors

Münster, Germany

Matthijs Groenewolt