Abstract: An aqueous multicomponent system comprising (I) at least one aqueous component comprising dissolved and/or dispersed therein at least one polyurethane-based graft copolymer (P) containing isocyanate-reactive functional groups and preparable by graft copolymerizing at least one polyurethane (P?) selected from the group consisting of hydrophobic or hydrophilic polyurethanes containing on average at least one functional group selected from the group consisting of thiocarbamate groups, thiol groups and sulfide groups with at least one olefinically unsaturated monomer, ?or alternatively (II) at least one liquid organic component comprising at least one water soluble and/or dispersible, polyurethane-based graft copolymer (P) and (III) at least one aqueous component, and (IV) at least one liquid organic component comprising or consisting of at least one polyisocyanate, processes for preparing it, and its use.
Abstract: (Co)polymers preparable by free-radical (co)polymerization of olefinically unsaturated monomers in the presence of at least one thiocarbamate-functional organic compound, processes for preparing (co)polymers by free-radical (co)polymerization of olefinically unsaturated monomers, which involves (co)polymerizing the olefinically unsaturated monomers in the presence of at least one thiocarbamate-functional organic compound, and the use of thiocarbamate-functional organic compounds as regulators in the free-radical (co)polymerization of olefinically unsaturated monomers.
Type:
Grant
Filed:
May 12, 2003
Date of Patent:
December 26, 2006
Assignee:
BASF Coatings AG
Inventors:
Heinz-Peter Rink, Hartmut Kagerer, Hans-Ulrich Moritz
Abstract: A coating material comprising (A) at least one kind of hydrophobic nanoparticles based on silica and (B) at least one kind of hydrophilic nanoparticles based on silica having a BET internal surface area of >300 m2/g; process for preparing it, and its use.
Abstract: A pseudoplastic clearcoat slurry comprising solid and/or highly viscous particles which are dimensionally stable under storage and application conditions and at least one water soluble salt, preferably from 0.1 to 50 mmol per 1 000 g of water, which can be decomposed without residue or virtually without residue; process for preparing it, and its use.
Type:
Grant
Filed:
July 23, 2002
Date of Patent:
December 26, 2006
Assignee:
BASF Coatings AG
Inventors:
Joachim Woltering, Michael Tecklenborg, Günther Ott
Abstract: A color and/or effect powder slurry (A), preparable by mixing a non-(A) color and/or effect powder slurry (B) or a clearcoat powder slurry (B) with at least one tinting paste (C) and correctable subsequently in terms of its shade and/or in terms of its optical effects using at least one tinting paste (C).
Abstract: Polyurethane-modified addition copolymers preparable by free-radically (co)polymerizing an olefinically unsaturated monomer (a) in an aqueous or nonaqueous medium comprising at least one reaction product (A/B) of (A) at least one addition copolymer containing on average per molecule at least 0.
Type:
Grant
Filed:
March 8, 2002
Date of Patent:
December 19, 2006
Assignee:
BASF Coatings AG
Inventors:
Wolfgang Bremser, Thomas Krüger, Wilma Löcken, Stephan Schwarte, Heinz-Peter Rink
Abstract: A binder solution comprising, based on the solution, (A) from 30 to 50% by weight of an alkyl and/or cycloalkyl acetate of 3 to 10 carbon atoms in the alkyl and/or cycloalkyl radical, (B) from 30 to 50% by weight of an alkoxyalkyl, cycloalkoxyalkyl, alkoxycycloalkyl and/or cycloalkoxycycloalkyl acetate of 1 to 6 carbon atoms in the alkoxy and alkyl radical and of 3 to 10 carbon atoms in the cycloalkoxy and cycloalkyl radical, (C) from 10 to 30% by weight of an alkylaromatic compound having at least two alkyl radicals of 1 to 6 carbon atoms in the molecule, (D) from 0.01 to 1% by weight of an alcohol of 1 to 6 carbon atoms in the molecule, (E) from 0.005 to 1% by weight of an additive, and (F) from 0.5 to 5% by weight of an organic solution of a (meth)acrylate copolymer having a solids content, based on the solution (F), of from 50 to 90% by weight, and its use for automotive spot repair.
Type:
Grant
Filed:
September 4, 2001
Date of Patent:
November 21, 2006
Assignee:
BASF Coatings AG
Inventors:
Michael Witte, Jürgen Book, Mirjana Matijevic, Nadja Kaup
Abstract: A pseudoplastic clearcoat slurry comprising solid and/or highly viscous particles which are dimensionally stable under storage and application conditions and which comprise as binders methacrylate copolymers containing in copolymerized form, based on a given methacrylate copolymer, at least 90% by weight of methacrylate comonomers, including (meth)acrylate comonomers having potentially ionic groups; process for preparing it, and its use.
Type:
Grant
Filed:
July 23, 2002
Date of Patent:
November 7, 2006
Assignee:
BASF Coatings AG
Inventors:
Joachim Woltering, Fatmir Raka, Ulrike Röckrath, Ute Schumacher
Abstract: Mixtures curable thermally and with actinic radiation and containing carbamate and/or allophanate groups, comprising (A) at least one of (A1) low molecular mass compounds, oligomers and polymers containing allophanate groups, carbamate groups, and carbamate and allophanate groups, and (A2) low molecular mass compounds, oligomers and polymers containing allophanate groups, carbamate groups, and carbamate and allophanate groups, and additionally allophanate- and/or carbamate-reactive functional groups, ?which are substantially or entirely free from reactive functional groups which contain at least one bond which can be activated with actinic radiation, and (C) at least one constituent containing on average per molecule at least one reactive functional group having at least one bond which can be activated with actinic radiation; with the proviso that if only (A1) is used, the mixtures further comprise (B) at least one of low molecular mass compounds, oligomers and polymers containing allophanate- and/or c
Type:
Grant
Filed:
June 18, 2002
Date of Patent:
October 31, 2006
Assignee:
BASF Coatings AG
Inventors:
Hubert Baumgart, Sandra Hasse, Uwe Meisenburg, Vincent Cook
Abstract: Novel polyurethanes containing sulfide groups which comprise at least one group of the general formula I in the polymer main chain and/or at least one group of the general formula II incorporated at the chain end: —X—A—S—B—Y—??(I) —X—A—S—B—YH??(II) in which the variables have the following definitions: S is the sulfur atom; X and Y independently of one another are oxygen atoms, sulfur atoms or groups —NZ where Z is the hydrogen atom or an alkyl radical of 1 to 10 carbon atoms; and A and B independently of one another are divalent organic radicals; novel polymer mixtures based thereon, and the use of the novel polyurethanes and polymer mixtures and dispersions thereof for the preparation of coating materials, adhesives and sealing compounds.
Type:
Grant
Filed:
October 30, 2001
Date of Patent:
October 31, 2006
Assignee:
BASF Coatings AG
Inventors:
Wilma Löcken, Heinz-Peter Rink, Thomas Krüger, Stefan Schwarte, Hans-Ulrich Moritz, Hartmut Kagerer
Abstract: The invention relates to a powder-slurry that can be hardened by actinic radiation or by thermal means, comprising (I) components containing functional groups (A) which render them hardenable by actinic radiation and components containing complementary functional groups (B) which render them thermally hardenable, in a weight ratio of 50:1 to 1:50 and/or comprising (II) components containing the functional groups (A) and (B) which render them thermally hardenable and hardenable by actinic radiation in a molar ratio of 100:1 to 1:100.
Type:
Grant
Filed:
February 2, 2000
Date of Patent:
October 17, 2006
Assignee:
BASF Coatings AG
Inventors:
Günther Ott, Ulrike Röckrath, Uwe Meisenburg, Hubert Baumgart, Reinhold Schwalm, Erich Beck, Rainer Königer, Wolfgang Paulus, Horst Binger, Rainer Blum
Abstract: A Taylor reactor for conducting material conversions, having an external reactor wall (1) located within which there is a concentrically or eccentrically disposed rotor (2), a reactor floor (3) and a reactor lid (4), which together define the annular reactor volume (5), at least one means (6) for metered addition of reactants, and a means (7) for the discharge of product, wherein during the conversion there is a change in the viscosity ? of the reaction medium and the reactor wall (1) and/or the rotor (2) are or is geometrically designed in such a way that the conditions for Taylor vortex flow are met over essentially the entire reactor length in the reactor volume (5).
Abstract: A mixture and method for preparing a composition curable thermally and with actinic radiation comprising a binder free from carbon-carbon double bonds activatable with actinic radiation, at least one blocked or unblocked polyisocyanate having at least one soft, flexibilizing segment, and at least one unsaturated polyfunctional urethane that is free from isocyanate-reactive functional groups and contains on average per molecule more than four carbon-carbon double bonds activatable with actinic radiation and at least one hardening segment.
Abstract: An aqueous effect coating material, comprising (A) at least one water-soluble, -dilutable and/or -dispersible binder, (B) at least one effect pigment, and (C) at least one silicon compound of the general formula I [(E)nL]Si(R1)(R2)(R3)??(I) in which the index and the variables are defined as follows: n is an integer from 1 to 5; E is a reactive functional group; L is an at least divalent, linking, organic group; R1 is a substituted or unsubstituted cycloalkoxy, alkoxy, aryloxy, cycloalkyl, alkyl or aryl radical; and R2 and R3 independently of one another are substituted or unsubstituted cycloalkoxy, alkoxy or aryloxy radicals or hydroxyl groups; preparation process, and its use.
Abstract: Method for making a solvent-containing coating material comprising 5 to 70% by weight of at least one mixture of substances (A). The mixture of substances is obtained by copolymerizing in at least one hydroxy-group containing reactive diluent a mixture (A1) of olefinically unsaturated monomers that contain a1) 1 to 90% by weight, based on mixture (A1), of at least one cycloaliphatic monomer and a2) 0 to 90% by weight, based on mixture (A1), of at least one hydroxy-group containing monomer. The coating material further contains 5 to 70% by weight of at least one hydroxy-group containing polyaddition resin (polyadduct) (B) with a Mn of 800 to 3,500 and 5 to 70% by weight of at least one cross-linking agent (C) for thermally cross-linking the material. The weight of A, B, and C are based on the solid content of the coating material.
Abstract: Coating materials curable thermally and with actinic radiation, comprising (A) at least one binder containing isocyanate-reactive functional groups and (B) a crosslinking component comprising (i) free and/or blocked isocyanate groups, (ii) reactive functional groups containing at least one bond which can be activated with actinic radiation, (iii) flexibilizing segments which as part of three-dimensional networks lower their glass transition temperature Tg, and (iv) hardening segments which as part of three-dimensional networks raise their glass transition temperature Tg; with the proviso that the crosslinking component (B) comprises or consists of at least one constituent which has the features (i) and (ii); processes for their preparation, and their use.
Abstract: Powder coating materials prepared by (1) mixing at least two liquid components comprising in each case at least one liquid starting product in a static mixer, to give a molecularly disperse and/or finely dispersed liquid mixture, (2) emulsifying the liquid mixture (1) in an aqueous medium in a dispersing unit, to give an aqueous emulsion of liquid particals, (3) cooling the emulsion (2) so that a suspension of dimensionally stable particles is formed, (4) isolating the dimensionally stable particles from the suspension (3) or alternatively (3) isolating the dimensionally stable particles directly from the emulsion (2); and also processes for preparing them and their use as coating materials, adhesives, and sealing compounds or to prepare such compositions.
Type:
Grant
Filed:
May 24, 2002
Date of Patent:
June 20, 2006
Assignee:
BASF Coatings AG
Inventors:
Heinz-Peter Rink, Werner-Alfons Jung, Michael Stang, Heik Wolf
Abstract: A nonaqueous coating material curable thermally or thermally and with actinic radiation, comprising (A) a hydroxyl-containing binder component comprising (A1) at least one hydroxyl-containing polyester and (A2) at least one hydroxyl-containing (meth)acrylate copolymer prepared at least partly in the presence of the polyester (A1) (B) at least one crosslinking component comprising at least one polyisocyanate, and (C) at least one low molecular mass and/or oligomeric, essentially unbranched, hydrophobic polyester having at least two hydroxyl groups in the molecule, an OH number of from 56 to 500 mg KOH/g, an acid number <10 mg KOH/g, and a number-average molecular weight Mn of from 300 to 2000 daltons; process for its preparation, and its use.
Type:
Grant
Filed:
September 7, 2001
Date of Patent:
May 23, 2006
Assignee:
BASF Coatings AG
Inventors:
Bernhard Lettmann, Harald Borgholte, Marion Fischer
Abstract: A pseudoplastic powder clearcoat slurry free from organic solvents and external emulsifiers and comprising particles which are solid and/or of high viscosity and are dimensionally stable under storage and application conditions, where the particles have an average size of from 1.0 to 20 ?m, at least 99% of the particles having a size ?30 ?m, and comprise as binder at least one polyol with an OH number >110 mg KOH/g, containing potentially ionic groups, and where the powder clearcoat slurry has a potentially ionic group content of from 0.05 to 1 meq/g of solids, at a degree of neutralization of not more than 50% contains from 0.005 to 0.1 meq/g of solids of ionic groups produced by neutralization of the potentially ionic groups, and has a viscosity of (i) from 50 to 1 000 mPas at a shear rate of 1 000 s?1, (ii) from 150 to 8 000 mPas at a shear rate of 10 s?1, and (iii) from 180 to 12 000 mPas at a shear rate of 1 s?1.
Type:
Grant
Filed:
November 8, 2001
Date of Patent:
May 9, 2006
Assignee:
BASF Coatings AG
Inventors:
Joachim Woltering, Günther Ott, Fatmir Raka, Heike Florack
Abstract: A multicomponent system curable thermally and with actinic radiation (dual cure), comprising (A) at least one component comprising at least one constituent containing at least one isocyanate-reactive functional group and at least one functional group having at least one bond which can be activated with actinic radiation, and at least one vinylaromatic-allyl alcohol copolymer, and (B) at least one component comprising at least one polyisocyanate, and its use as a coating material, adhesive and sealing compound.