Basf Coatings Gmbh

Basf Coatings Ag

Elke Westhoff

Andreas Poppe

Manuela Niemeier

Peter Hoffmann

Benedikt Schnier

Wilfried Stübbe

Matthijs Groenewolt

Simone Hesener

Winfried Stübbe

Bernadette Möller

Bernadette Moeller

Peter Mayenfels

Beate Gebauer

Ramanathan Ravichandran

Wolfgang Bremser

Farouk Abi-Karam

Günter Klein

Bing Hsieh

Guenter Klein

Markus Saedler

Lea Fedeler

Robert D Coughlin

Dunja Mikolajetz

Andreas Dopp

Wilfried Stuebbe

Dunja Köppen

Jens-Dieter Fischer

Henan Li

Bernadette Moller

The present disclosure relates to two-component coating material compositions including a paint base component A and a curing component B. The paint base component A includes one or more polyols A1 selected from the group of polyols containing ester groups and which possess a hydroxyl number of 300 to 500 mg KOH/g and have a hydroxyl group functionality of greater than 2. The curing component B includes one or more polyisocyanates B1 having on average 2.4 to 5 NCO groups. The two-component coating material composition possesses a solids content of at least 96 wt %, and the molar ratio of the NCO groups in the curing component B to the acidic hydrogen atoms in the paint base component A is from 1:1.15 to 1:0.95. The disclosure further relates to a method for coating fiber-reinforced plastics and to a method for producing coated fiber-reinforced plastics, and to coating fiber-reinforced plastics.

Two-component coating compositions for coating fiber-reinforced plastics materials

Disclosed herein is a thermally curable mixture, comprising at least one phosphonic diester (A), at least one diphosphonic diester (A), or at least one phosphonic diester and at least one diphosphonic diester (A); and at least one compound (B) which can be reacted by transesterification, transamidation, self-condensation of N-hydroxyalkylamino groups, self-condensation of N-alkoxyalkylamino groups, transacctalization of N-alkoxyalkylamino groups, acctalization of N-hydroxyalkylamino groups, or a combination thereof. Also disclosed is a process for making the thermally curable mixture, and a cured material comprising the product of thermally curing the mixture.

Use of phosphonic acid diesters and diphosphonic acid diesters and thermally curable mixtures containing phosphonic acid diesters and diphosphonic acid diesters

Described are coating material compositions comprising an isocyanate group-containing component, a hydroxyl group-containing component, and a zinc (1-methylimidazole)bis(2-ethylhexanoate) complex. Also described is the use of a zinc (1-methylimidazole)bis(2-ethylhexanoate) complex as a catalyst system for the urethane reaction in coating material compositions.

Zinc (1-methylimidazole)bis(2-ethylhexanoate) complex catalyzed coating material composition

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

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

The present invention relates to coating material compositions comprising at least one polyhydroxyl group-containing compound (A), at least one polyisocyanate group-containing compound (B) having free and/or blocked isocyanate groups, and at least one catalyst (D) based on a zinc-amidine complex which is preparable by reaction of 1.0 moles of at least one zinc(II) biscarboxylate with 2.0 moles of at least one amidine 

Polyurethane coating agent composition, multistage coating method using said coating agent compositions, and use of the coating agent compositions as clear coating or pigmented coating material, and use of the coating method for automotive repair painting and/or for coating plastics substrates and/or of commercial vehicles

The present invention relates to coating material compositions comprising at least one polyhydroxyl group-containing compound (A), at least one polyisocyanate group-containing compound (B) having free and/or blocked isocyanate groups, and at least one catalyst (D) based on a zinc-amidine complex which is prepared by reaction of 1.0 moles of at least one zinc(II) biscarboxylate with less than 2.0 moles of at least one amidine where R=hydrogen and R, R, R, and Rare each identical or different radicals, Rand Rbeing hydrogen or an alkyl radical or an aryl radical, and Rand Rbeing an alkyl radical or an aryl radical.

Polyurethane coating material composition, multistage coating methods using these coating material compositions, and also the use of the coating material composition as clearcoat material and pigmented coating material, and application of the coating method for automotive refinish and/or for the coating of plastics substrates and/or of utility vehicles

The invention relates to coating material compositions comprising an isocyanate group-containing component, a hydroxyl group-containing component, a zinc-imidazole-carboxylate complex and a monomeric aromatic carboxylic acid, and also to the use of a zinc-imidazole-carboxylate complex in the presence of a monomeric aromatic carboxylic acid as a catalyst system for the urethane reaction in coating material compositions.

Zinc-imidazole-carboxylate-complex-catalysed coating agent composition

Disclosed are coating material compositions comprising at least one polyhydroxyl group-containing compound (A), at least one polyisocyanate group-containing compound (B) having free and/or blocked isocyanate groups, at least one catalyst (D) based on a zinc-amidine complex which comprises the reaction product of 1.0 moles of at least one zinc(II) biscarboxylate with more than 2.0 moles of at least one amidine where R=hydrogen and R, R, R, and Rare each identical or different radicals, Rand Rbeing hydrogen or an alkyl radical or an aryl radical, and Rand Rbeing an alkyl radical or an aryl radical, and at least one monomeric aromatic, optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a &#x3c0;-electron system.

Disclosed is a moisture-curing coating composition based on aprotic solvents comprising a binder with a polyacrylate or polymethacrylate obtained using monomer (I) and a phosphorous- and nitrogen-containing catalyst. Also disclosed is a method of producing a multicoat finish using these coating compositions and also to the use of this method to coat interior or exterior bodywork components or to coat components for shipbuilding and aircraft construction or to coat components for household and electrical appliances or to coat plastics moldings or films.

Moisture-curing coating compositions comprising aprotic solvents and binders having alkoxysilane groups and method of forming a multicoat finish therewith

The invention relates to the use of partly silanized compounds based on polyisocyanate as crosslinking agents with heightened refractive index in curable coating compositions, more particularly in clearcoat materials for automotive finishing. The invention likewise relates to a coating composition which comprises these compounds as crosslinking agents, and to the use of the coating composition to produce a coating.

Use of partially silanized polyisocyanate-based compounds as crosslinking-agents in coating compositions, and coating compositions comprising the compounds

Disclosed are coating compositions comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having isocyanate groups, and (c) at least one catalyst (D) for the crosslinking of silane groups, said catalyst (D) comprising phosphorus. It is an aspect of the disclosed coating compositions that (i) one or more constituents of the coating composition contain hydrolyzable silane groups and (ii) the coating composition can be finally cured to a coating which has statistically distributed regions of an Si&#x2014;O&#x2014;Si network.

Hydrolysates and/or condensates of epoxy- and silane-functional oligomers and polymers, prepared by hydrolyzing and/or condensing at least one oligomer and/or polymer (A) containing at least one epoxide group (a1) and at least one hydrolyzable silane group (a2); and also (meth)acrylate copolymers (A) containing lateral and/or terminal epoxide groups (a1) and lateral and/or terminal hydrolyzable silane groups (a2), in a molar ratio (a1): (a2) of from 15:1 to 1: 1.5, processes for preparing them, and their use.

Oligomers and polymers containing hydrolysates and/or condensates of epoxide groups and silane groups, method for their production and use thereof

Disclosed herein is a silane-functional mixture, comprising at least one phosphonic diester (A), at least one diphosphonic diester (A), or at least one phosphonic diester and one diphosphonic diester (A), and at least one compound (B) comprising at least two condensable silane groups.

Use of phosphonic acid diesters and diphosphonic acid diesters and silane group containing, curable mixtures containing phosphonic acid diesters and diphosphonic acid diesters

Silanes of the formula:[(ZRSi&#x2014;R&#x2014;)R&#x2014;Y&#x2014;C(X)&#x2014;Y&#x2014;]G[&#x2014;Y&#x2014;(X)C&#x2014;Y&#x2014;R]&#x2003;&#x2003;(I),in which m+n=3; m=1, 2 or 3; n=0, 1 or 2; o=0 or 1, and q=1 if o=0; p=1, 2, 3 or 4; q=0 or 1, and p=1 if q=0; r, s=1, 2 or 3; and

Growing community of inventors

Steinfurt, Germany

Elke Westhoff