Basf Coatings Gmbh

Université Blaise Pascal Clermont II

Jan-Bernd Kues

Matthijs Groenewolt

Horst Hintze-Brüning

Günther Michael

Susanne Piontek

Jens-Henning Noatschk

Sven Olle Krabbenborg

Frank Bergmann

Wilfried Schipper

Joerg Exner

Birgit Kleine-Bley

Robert Von Der Aa

Michael Lorenz

Joerg Duennewald

Stefanie Schroeder

Eva-Kathrin Schillinger

Dirk Riediger

Alberto Garcia Martin

Pedro Cavaleiro

Kristof Wapner

Andre Brosseit

Sebastian Sinnwell

Hans-Leo Karminski

Thomas Stimpfling

Karin Homann

Fabrice Leroux

Joerg Lenz

Jan Gebers

Stefanie Schröder

The present disclosure relates to a method for transferring an embossed structure to at least a part of a surface of a coating (B2), using a composite (F1B1) composed of a substrate (F1) and of an at least partially embossed and at least partially cured coating (B1), where the coating (B2) and the coating (B1) of the composite (F1B1) have embossed structures which are mirror images of one another. Also described herein is a composite (B2B1F1). Further described herein is a use of this composite for producing an at least partially embossed coating (B2) in the form of a free film or a composite (B2KF2) composed of a substrate (F2), at least one adhesive (K), and the coating (B2).

Method for transferring an embossed structure to the surface of a coating

Described herein is a coating composition including a polymer containing hydroxy groups, such as a water soluble polyvinyl alcohol, and further including a tetraalkoxysilane and modified silica nanoparticles having a positively charged surface, where the coating composition shows advantageous properties such as low refractive index, good transparency and low haze.

Optical coating having a low refractive index

Described herein are a method for transferring an embossed structure, which includes at least the steps (-i) and (-i) or (-ii) and (-ii), where steps (-i) and (-i) or (-ii) and (-ii) are carried out using an embossing tool (P) including at least one embossing die (p), where the embossing die (p) of the embossing tool (P) is pretreated, before the implementation of step (-i) or before the implementation of step (-ii), with at least one organic solvent and/or at least one reactive diluent, and also a method of using a corresponding pretreated embossing tool (P) including at least one embossing die (p) for the purpose of transferring an embossed structure in such a way.

Method for applying embossed structures to coating media while pre-treating the embossing tool used therefor

The present disclosure relates to a method for transferring an embossed structure to a surface of a coating composition (B2a), which includes the steps (1-i) and (2-i) or (1-ii) and (2-ii) and also the steps (3) and optionally (4), where the steps (1-i) and (2-i) or (1-ii) and (2-ii) are performed using a composite (F1B1) which is employed as an embossing die (p2) of an embossing tool (P2) and which is composed of a substrate (F1) and of an at least partially embossed and at least partially cured coating (B1), and the coating composition (B1a) used for producing (B1) of the composite (F1B1) is a radiation-curable coating composition of defined constitution. Also described herein is a composite (F1B1).

Method for transferring an embossed structure to the surface of a coating means and compound structure usable as an embossing die

The present invention relates to an aqueous two-component basecoat material (b) comprising (b.1) a base component comprising (1) at least one polyurethane resin having a hydroxyl number of 15 to 100 mg KOH/g and an acid number of 10 to 50 mg KOH/g, (2) at least one aqueous dispersion comprising water and a polyurethane resin fraction consisting of at least one polyurethane resin, the polyurethane resin fraction having a gel fraction of at least 50%, having its glass transition at a temperature of less than &#x2212;20&#xb0; C. and having its melting transition at a temperature of less than 100&#xb0; C., (3) at least one color and/or effect pigment, at least one pigment (3) being used in the form of at least one pigment paste comprising at least one polyurethane resin (1) as pasting resin, and (b.2) a curing component comprising (4) at least one hydrophilically modified polyisocyanate (4) having an isocyanate content of 8% to 18%.

Aqueous basecoat material for producing a coating

A method for producing a multicoat coating (M) on a substrate (S) that includes:(!) producing a basecoat (B) on the substrate by applying an aqueous basecoat material (b) to the substrate (S), the basecoat material being a two-component coating composition, and (II) producing a clearcoat (K) directly on the basecoat (B) by applying an aqueous clearcoat material (k) directly to the basecoat (B), the clearcoat material being a two-component coating composition.

Method for producing a multicoat coating

The present invention relates to a method for producing an anticorrosion coating, wherein  The present invention relates, furthermore, to coated metallic substrates coated by the method of the invention. The present invention relates not least to the use of the anticorrosion primer for use in the method of the invention for improving the corrosion resistance of metallic substrates.

Method for producing an anticorrosion coating

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

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

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Muenster, Germany

Jan-Bernd Kues