Abstract: A process for preparing a macromonomer by cationic ring-opening polymerization of at least one hydroxyoxetane with a terminally ethylenically unsaturated starter molecule free of allyl groups in a molar ratio (hydroxyoxetane(s):starter molecule) of (100:1) to (1:1) in the presence of at least one suitable catalyst; macromononomers obtainable therefrom and use thereof.
Type:
Grant
Filed:
May 3, 2010
Date of Patent:
November 11, 2014
Assignee:
BYK-Chemie GmbH
Inventors:
Albert Frank, Wojciech Jaunky, Jörg Issberner
Abstract: The invention relates to compositions comprising two structured linear copolymers selected from the group consisting of block copolymers and gradient copolymers, these copolymers being prepared by different controlled polymerization techniques and the difference in the polydispersities of these copolymers, ?(Mw/Mn), being ?0.25. The invention further relates to the production of such blends and to their use as wetting agents and dispersants.
Abstract: The invention relates to a method for producing metal nanoparticles, wherein metal ions are reduced by means of at least one reducing agent in the presence of at least one polymer stabilizer and are converted into metal nanoparticles. The invention further relates to metal nanoparticles obtained in this way and to the use thereof.
Type:
Grant
Filed:
November 20, 2009
Date of Patent:
October 28, 2014
Assignee:
BYK-Chemie GmbH
Inventors:
Ulrich Nolte, Michael Berkei, Thomas Sawilowski
Abstract: The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications.
Type:
Application
Filed:
November 15, 2012
Publication date:
October 23, 2014
Applicant:
BYK-Chemie GMBH
Inventors:
Wolfgang Pritschins, Jürgen Omeis, Stefan Mössmer, Andrea Esser, Monika Roch
Abstract: The invention relates to a method for continuous production of reaction products by addition reactions based on a Michael reaction, wherein at least one compound (B) having at least one nucleophilic functional group is added to at least one compound (A) having at least one activated alkene or activated alkyne carbon-carbon multiple bond, wherein the reaction takes place in a reaction mixing pump.
Type:
Application
Filed:
August 23, 2012
Publication date:
October 9, 2014
Applicant:
BYK-Chemie GmbH
Inventors:
Jörg Issberner, René Nagelsdiek, Frank Tlauka, Bemd Göbelt, Tom Beckmann
Abstract: The present invention relates to the use of modified polysiloxanes in thermally curing coating material compositions and molding materials, and to thermally curing coating material compositions and molding materials comprising modified polysiloxanes. The present invention also relates to coatings on a substrate, and to moldings which have been produced with such a coating material composition or molding material.
Type:
Application
Filed:
November 14, 2012
Publication date:
October 2, 2014
Applicant:
BYK-Chemie GmbH
Inventors:
Marc Hans, Wojciech Jaunky, Petra Della Valentina, Jüergen Hartmann, Verena Wintermeyer
Abstract: An object having a coating produced using an adhesion promoter, wherein the adhesion promoter comprises at least one, optionally oligomeric, addition product having no terminal C?C double bonds and having hydrolyzable silane groups.
Type:
Application
Filed:
April 14, 2014
Publication date:
August 7, 2014
Applicant:
BYK-CHEMIE GMBH
Inventors:
René NAGELSDIEK, Bernd Gobelt, Jürgen Omeis, Andreas Freytag, Dorothée Greefrath
Abstract: The invention relates to addition compounds and their salts, characterized in that the addition compounds are obtainable by reacting (a) one or more polyisocyanates having at least two isocyanate groups per molecule with (b) one or more compounds of the formula Y—(XH)n and (c) one or more compounds from the group consisting of (c1) compounds M-Q, (c2) a blocking agent for isocyanate groups, and (c3) optionally compounds of the general formula Z-Q. The invention further relates to the preparation of the addition compounds and to their use as dispersants, wetting agents and dispersion stabilizers, and also to solids coated with the addition compounds.
Type:
Grant
Filed:
January 9, 2009
Date of Patent:
August 5, 2014
Assignee:
BYK-Chemie GmbH
Inventors:
Wolfgang Pritschins, Karlheinz Haubennestel, Hans-Josef Teuwsen
Abstract: A method of promoting the adhesion between a coating based on at least one polymer and a substrate surface that can be made of different materials in which an adhesion promoter comprising at least one, optionally oligomeric, addition product having no terminal C?C double bonds and has hydrolyzable silane groups and other functional groups is included in the coating composition, included in a preliminary coating applied to the substrate surface prior to the actual coating, is applied between the coating and substrate surface, or any combination thereof.
Type:
Grant
Filed:
February 13, 2012
Date of Patent:
July 15, 2014
Assignee:
BYK-Chemie GmbH
Inventors:
René Nagelsdiek, Bernd Gobelt, Jürgen Omeis, Andreas Freytag, Dorothée Greefrath
Abstract: The present invention relates to a method for producing an additive composition which in particular contains specific urea urethanes. The additive composition is extremely suitable as a wetting agent and dispersant.
Type:
Application
Filed:
May 5, 2012
Publication date:
July 10, 2014
Applicant:
BYK-CHEMIE GMBH
Inventors:
Bernd Göbelt, René Nagelsdiek, Jürgen Omeis, Frederik Piestert, Wolfgang Pritschins, Natasa Meznaric, Daniela Schröder, Werner Tiegs
Abstract: The invention relates to a method for continuously producing silanes and/or organopolysiloxanes by hydrosilylation, in which at least one compound (A) containing at least one carbon-carbon multiple bond is reacted with at least one compound (B) comprising at least one Si—H functionality, wherein the reaction is carried out in a reaction mixing pump.
Type:
Grant
Filed:
February 18, 2011
Date of Patent:
July 1, 2014
Assignee:
BYK-Chemie GmbH
Inventors:
Jörg Issberner, Frank Tlauka, Tom Beckmann, Alfred Bubat
Abstract: Fibre-matrix material curable thermally by radical polymerization, comprising (A) a polymeric matrix curable thermally by radical polymerization, (B) at least one kind of reinforcing fibres and (C) at least one particulate initiator of the radical polymerization, having an average particle size of 5 nm to 500 ?m, as measured by static light scattering, and selected from the group consisting of benzpinacol and substituted benzpinacols; processes for producing it, and its use for producing fibre-reinforced thermoset mouldings.
Type:
Application
Filed:
April 23, 2012
Publication date:
May 29, 2014
Applicants:
BYK-CHEMIE GmbH, Elantas GmbH
Inventors:
Joerg Hinnerwisch, Gerard Hubertus Louis Reestman, Peter Walter Stannek, Michael Alfred Koska, Klaus-W. Lienert
Abstract: Reaction products of polyepoxides with amines followed by reaction with polyalkyleneoxide modified and/or polyester-modified and/or polyether-polyester-modified isocyanates give comblike aminic polymers, and their salts. The compounds are useful as wetting and dispersing agents for organic and inorganic pigments, and as fillers for aqueous and solvent-borne systems.
Type:
Grant
Filed:
January 31, 2008
Date of Patent:
February 18, 2014
Assignee:
BYK-Chemie GmbH
Inventors:
Ulrich Orth, Jürgen Omeis, Heribert Holtkamp, Matthias Pickavé
Abstract: A process for preparing a randomly branched copolymer, by reacting the components (a) 10-98.9 mol % of at least one acrylic ester of a straight-chain, branched or cyclic C1-C22-alkyl monoalcohol, (b) 0.
Type:
Grant
Filed:
July 17, 2010
Date of Patent:
February 4, 2014
Assignee:
BYK-Chemie GmbH
Inventors:
Albert Frank, René Nagelsdiek, Jürgen Omeis, Bernd Göbelt, Wojciech Jaunky
Abstract: The present invention relates to the use of polyhydroxyalkanoates as additives in coating compositions and also to coating compositions comprising polyhydroxylalkanoates as matting agents. The present invention further relates to coatings produced with the coating composition of the invention, comprising polyhydroxyalkanoates, on a substrate.
Type:
Application
Filed:
January 12, 2012
Publication date:
January 23, 2014
Applicant:
BYK-CHEMIE GMBH
Inventors:
Marc Hans, Wojciech Jaunky, Albert Frank, Petra Lenz, Hendrik Luttikhedde
Abstract: The invention concerns a composition comprising as component (A): 10% to 97% by weight, based on the total weight of the composition, of one or more monocarboxylic esters of the general formula R1—CO—OR2, in which R1 is a saturated or unsaturated, branched or straight-chain, aliphatic group having 11 to 23 carbon atoms and R2 is a branched or straight-chain aliphatic group, a cycloaliphatic group or aromatic group having 1 to 13 carbon atoms, and the sum of the carbon atoms of the groups R1 and R2 is not more than 30, the monocarboxylic ester or esters possessing a boiling point of more than 250° C. under a standard pressure of 101.3 kPa, and as component (B): 3% to 90% by weight, based on the total weight of the composition, of one or more dispersants, the composition possessing a viscosity at 25° C. of less than 5000 mPas. The invention further concerns the use of the composition as a dispersion medium, millbases obtained from the composition, and the use of the millbases.
Type:
Grant
Filed:
September 1, 2009
Date of Patent:
December 24, 2013
Assignee:
BYK-Chemie GmbH
Inventors:
Martin Fischer, Wolfgang Pritschins, Frank Vennhoff, Lucia Spikker-Heilen, Andrea Esser
Abstract: The invention relates to a composite formulation comprising a specific mediator additive component (A) of relatively high molecular weight, a filler component (B) and a binder component (C). The composite formulation can be cured to a composite which is especially suitable for the production of moldings.
Type:
Application
Filed:
August 3, 2011
Publication date:
October 31, 2013
Applicant:
BYK-CHEMIE GMBH
Inventors:
Rene Nagelsdiek, Bernd Goebelt, Baerbel Gertzen, Joerg Boemer, Juregen Omeis, Stephan Remme, Christian Biecker
Abstract: The invention relates to surface-modified particles, more particularly inorganic-based particles having reactive surfaces, more particularly surfaces containing silane-reactive and/or siloxane-reactive groups, preferably hydroxyl-containing surfaces and/or particles comprising or consisting of metal and/or semi-metal oxides and/or hydroxides, preferably nanoparticles, which on their surface have a polysiloxane-based modifier having more particularly been reacted on their surface with a polysiloxane-based modifier, preferably with the formation of chemical bonds, more particularly covalent bonds, and also to a method of producing these surface-modified particles.
Type:
Grant
Filed:
July 16, 2007
Date of Patent:
September 10, 2013
Assignee:
Byk-Chemie GmbH
Inventors:
Ulrich Nolte, Alfred Bubat, Karlheinz Haubennestel, Thomas Sawitowski
Abstract: The invention relates to the use of copolymers which as well as other monomers contain in copolymerized form 10% to 90% by weight of monomers containing heterocyclic basic groups, and which do not contain vinylpyrrolidone as a monomer component, as additives in paints for improving the adhesion of the solid paint film to a substrate. The invention also relates to cured and uncured polymer compositions comprising copolymers which as well as other monomers contain in copolymerized form 10% to 90% by weight of monomers containing heterocyclic basic groups, and which do not contain vinylpyrrolidone as a monomer component, as adhesion improver additions.
Type:
Grant
Filed:
May 4, 2007
Date of Patent:
August 20, 2013
Assignee:
BYK-Chemie GmbH
Inventors:
Karlheinz Haubennestel, Stefan Mossmer, Thomas Launag, Albert Frank
Abstract: A polymer obtainable by free-radical polymerization of one or more oxetane-based macromonomers and optionally one or more further, free-radically polymerizable comonomers, the oxetane-based macromonomer(s) being obtainable by cationic ring-opening polymerization of at least one hydroxyoxetane with a terminally ethylenically unsaturated starter molecule free of allyl groups in a molar ratio (hydroxyoxetane(s):starter molecule) of (100:1) to (1:1) in the presence of at least one suitable catalyst. Processes for preparing the polymer and the use thereof as an additive in coating compositions and plastics.
Type:
Grant
Filed:
May 3, 2010
Date of Patent:
August 6, 2013
Assignee:
BYK-Chemie GmbH
Inventors:
Wojciech Jaunky, Albert Frank, Alfred Bubat, Jürgen Omeis, Petra Della Valentina, Bernd Göbelt