Patents by Inventor Roelof Balk
Roelof Balk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 12173174Abstract: The present invention relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers M having a polymer content of at least 55 wt. % and a polymodal particle size distribution of the polymer particles of the polymer dispersion. The invention also relates to aqueous polymer dispersions obtained from this process as well as aqueous liquid compositions comprising at least one aqueous polymer dispersion and the use of such aqueous liquid compositions as binder.Type: GrantFiled: July 22, 2019Date of Patent: December 24, 2024Assignee: BASF SEInventors: Bastiaan Lohmeijer, Roelof Balk, Robert Wrazidlo
-
Publication number: 20240336772Abstract: The present invention relates to a process for modifying an aqueous polymer latex of polymer particles that bear carboxyl groups comprising the mixing of the aqueous polymer latex with at least one silane compound of formula (1) at a temperature of at least 60° C.: (RO)3-nR1nSiR2X (1) wherein R is C1-C10-alkyl, C3-C10-cycloalkyl, C6-C10-aryl, C1-C10-alkoxy-C1-C10-alkyl, C2-C10-alkenyl, C1-C4-alkyl-C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl, R is C1-C10-alkyl, C3-C10-cycloalkyl, C6-C10-aryl, C2-C10- alkenyl, C1-C4-alkyl-C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl, R2 is a covalent chemical bond or a C1-C20-alkylene, in which non-adjacent methylene units can be replaced by O-groups, n is 0, 1, 2 or 3, and X is a radical having 3 to 10 carbon atoms and bearing an oxirane group. The present invention also relates to modified aqueous polymer latexes obtainable by such process and to the use of these polymer latexes as binders or co-binders for industrial varnishes.Type: ApplicationFiled: August 3, 2022Publication date: October 10, 2024Inventors: Roelof BALK, Bastiaan LOHMEIJER, Oliver WAGNER, Konrad ROSCHMANN
-
Patent number: 11999810Abstract: The present invention relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers, where the process has a first polymerization step as an aqueous radical emulsion polymerization of a first monomer composition M.a and a subsequent further polymerization step as an aqueous radical emulsion polymerization of a second monomer composition M.b, where the monomers M comprise at least one monomer M0 which is selected from compounds of formula 1, wherein X is Cl, Br or OS(O)2R3, Y is H, Cl, Br, OS(O)2R4, C1-C10-alkyl, or C(?O)OR5, R1 is H or C1-C10-alkyl, R2 is H or C1-C10-alkyl, R3 is C1-C10-alkyl, R4 is C1-C10-alkyl, R5 is C1-C20-alkyl. The invention also relates to an aqueous polymer dispersion obtainable by such a process as well as the use of such dispersions.Type: GrantFiled: July 4, 2019Date of Patent: June 4, 2024Assignees: BASF SE, Universidad del Pais Vasco/ Euskal Herriko UnibertsitateaInventors: Massimo Bandiera, Roelof Balk, Bastiaan Lohmeijer, Maria Jesus Barandiaran
-
Publication number: 20220325125Abstract: The present invention relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers M having a polymer content of at least 55 wt. % and a polymodal particle size distribution of the polymer particles of the polymer dispersion. The invention also relates to aqueous polymer dispersions obtained from this process as well as aqueous liquid compositions comprising at least one aqueous polymer dispersion and the use of such aqueous liquid compositions as binder.Type: ApplicationFiled: July 22, 2019Publication date: October 13, 2022Inventors: Bastiaan LOHMEIJER, Roelof BALK, Robert WRAZIDLO
-
Publication number: 20220235229Abstract: The present invention relates to aqueous polymer latexes of film-forming copolymers obtainable by aqueous emulsion polymerisation of monomers M, which comprise at least 80% by weight, based on the monomers M, of—at least one non-ionic monomer M1, which is selected from C1-C20-alkyl esters of acrylic acid, C5-C20-cycloalkyl esters of acrylic acid, C1-C20-alkyl esters of methacrylic acid, C5-C20-cycloalkyl esters of methacrylic acid and monovinyl aromatic monomers; —one or more monoethylenically unsaturated monomers M2, which are selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms; and where the polymer latex contains an emulsifier combination comprising i.Type: ApplicationFiled: May 7, 2020Publication date: July 28, 2022Inventors: Roelof BALK, Bastiaan LOHMEIJER, Robert WRAZIDLO
-
Patent number: 11155663Abstract: Disclosed herein is a process for preparing an aqueous polymer latex by polymerising a monomer composition M by a radical emulsion polymerisation, where at least 95% of the monomer composition M is metered during a period P to the polymerisation reaction under polymerisation conditions, such that during at least one period P(n) within the period P, the relative amount of monomers M2, which are metered to the polymerisation reaction during the periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction during said period P(n), is at least 1% by weight higher than the relative amount of monomers M2, which are metered to the polymerisation reaction outside of each of said periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction outside of each of said periods P(n).Type: GrantFiled: May 3, 2017Date of Patent: October 26, 2021Assignee: BASF SEInventors: Tanja Rost, Roelof Balk, Immanuel Willerich, Sebastian Enck, Joost Leswin, Wolfgang Gaschler, Martin Robert Scheuble
-
Publication number: 20210269573Abstract: The present invention relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers, where the process has a first polymerization step as an aqueous radical emulsion polymerization of a first monomer composition M.a and a subsequent further polymerization step as an aqueous radical emulsion polymerization of a second monomer composition M.b, where the monomers M comprise at least one monomer M0 which is selected from compounds of formula 1, wherein X is Cl, Br or OS(O)2R3, Y is H, Cl, Br, OS(O)2R4, C1-C10-alkyl, or C(?O)OR5, R1 is H or C1-C10-alkyl, R2 is H or C1-C10-alkyl, R3 is C1-C10-alkyl, R4 is C1-C10-alkyl, R5 is C1-C20-alkyl. The invention also relates to an aqueous polymer dispersion obtainable by such a process as well as the use of such dispersions.Type: ApplicationFiled: July 4, 2019Publication date: September 2, 2021Inventors: Massimo BANDIERA, Roelof BALK, Bastiaan LOHMEIJER, Maria Jesus BARANDIARAN
-
Patent number: 10913811Abstract: The present invention provides very finely divided polymer dispersions obtainable by at least one two-stage emulsion polymerization, wherein 1) an acid-rich first polymer P1 is prepared by a radical polymerization from a 1st composition comprising A) at least one monomer selected from the group of (cyclo)alkyl (meth)acrylates, vinylaromatics having up to 20 carbon atoms, a radically polymerizable compound selected from the group of ethylenically unsaturated nitriles having up to 20 carbon atoms, vinyl esters of carboxylic acids containing up to 20 carbon atoms, vinyl halides having up to 10 carbon atoms, and vinyl ethers of alcohols containing 1 to 10 carbon atoms B) at least one ?,?-ethylenically unsaturated carboxylic acid C) at least one crosslinking monomer with a keto or aldehyde group D) optionally at least one adhesion promoter E) optionally tert-butyl acrylate F) optionally further monomers M in the presence of a chain link transfer agent, 2) the polymer P1 prepared under 1) is admixed with a baseType: GrantFiled: March 14, 2017Date of Patent: February 9, 2021Inventors: Roelof Balk, Bastiaan Lohmeijer, Robert Wrazidlo
-
Patent number: 10597477Abstract: The present invention relates to a polymer dispersion obtainable by at least one two-stage emulsion polymerization, by 1) preparing a polymer A by a radical polymerization from a 1st composition comprising A) at least one monomer, B) at least one anionic copolymerizable emulsifier, 2) admixing the polymer A prepared at 1) with a base, 3) in the presence of the polymer A treated at 2), preparing a polymer B by radical polymerization from a 2nd composition comprising A) at least one monomer, B) at least one anionic copolymerizable emulsifier. The present invention also relates to a process for preparing the polymer dispersion of the invention, to coating materials in the form of an aqueous composition comprising the polymer dispersion of the invention, and to the use of the polymer dispersion of the invention for coating compositions or paints and varnishes.Type: GrantFiled: September 18, 2015Date of Patent: March 24, 2020Assignee: BASF SEInventors: Roelof Balk, Bastiaan Lohmeijer
-
Publication number: 20190144585Abstract: Disclosed herein is a process for preparing an aqueous polymer latex by polymerising a monomer composition M by a radical emulsion polymerisation, where at least 95% of the monomer composition M is metered during a period P to the polymerisation reaction under polymerisation conditions, such that during at least one period P(n) within the period P, the relative amount of monomers M2, which are metered to the polymerisation reaction during the periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction during said period P(n), is at least 1% by weight higher than the relative amount of monomers M2, which are metered to the polymerisation reaction outside of each of said periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction outside of each of said periods P(n).Type: ApplicationFiled: May 3, 2017Publication date: May 16, 2019Applicant: BASF SEInventors: Tanja ROST, Roelof BALK, Immanuel WILLERICH, Sebastian ENCK, Joost LESWIN, Wolfgang GASCHLER, Martin Robert SCHEUBLE
-
Publication number: 20190100613Abstract: The present invention provides very finely divided polymer dispersions obtainable by at least one two-stage emulsion polymerization, wherein 1) an acid-rich first polymer P1 is prepared by a radical polymerization from a 1st composition comprising A) at least one monomer selected from the group of (cyclo)alkyl (meth)acrylates, vinylaromatics having up to 20 carbon atoms, a radically polymerizable compound selected from the group of ethylenically unsaturated nitriles having up to 20 carbon atoms, vinyl esters of carboxylic acids containing up to 20 carbon atoms, vinyl halides having up to 10 carbon atoms, and vinyl ethers of alcohols containing 1 to 10 carbon atoms B) at least one ?,?-ethylenically unsaturated carboxylic acid C) at least one crosslinking monomer with a keto or aldehyde group D) optionally at least one adhesion promoter E) optionally tert-butyl acrylate F) optionally further monomers M in the presence of a chain link transfer agent, 2) the polymer P1 prepared under 1) is admixed with a baseType: ApplicationFiled: March 14, 2017Publication date: April 4, 2019Applicant: BASF SEInventors: Roelof BALK, Bastiaan LOHMEIJER, Robert WRAZIDLO
-
Patent number: 10196463Abstract: The present invention relates to a method for producing an aqueous polymer dispersion by radical-initiated aqueous emulsion polymerization of ethylenically unsaturated monomers, and to polymer dispersions obtainable according to said method. The invention also relates to the use of the said polymer dispersions, in particular for the production of coating products for wood.Type: GrantFiled: November 3, 2015Date of Patent: February 5, 2019Assignee: BASF SEInventors: Roelof Balk, Bastiaan Lohmeijer
-
Publication number: 20180305471Abstract: The present invention relates to a method for producing an aqueous polymer dispersion by radical-initiated aqueous emulsion polymerization of ethylenically unsaturated monomers, and to polymer dispersions obtainable according to said method. The invention also relates to the use of the said polymer dispersions, in particular for the production of coating products for wood.Type: ApplicationFiled: November 3, 2015Publication date: October 25, 2018Applicant: BASF SEInventors: Roelof BALK, Bastiaan LOHMEIJER
-
Publication number: 20170275407Abstract: The present invention relates to a polymer dispersion obtainable by at least one two-stage emulsion polymerization, by 1) preparing a polymer A by a radical polymerization from a 1st composition comprising A) at least one monomer, B) at least one anionic copolymerizable emulsifier, 2) admixing the polymer A prepared at 1) with a base, 3) in the presence of the polymer A treated at 2), preparing a polymer B by radical polymerization from a 2nd composition comprising A) at least one monomer, B) at least one anionic copolymerizable emulsifier. The present invention also relates to a process for preparing the polymer dispersion of the invention, to coating materials in the form of an aqueous composition comprising the polymer dispersion of the invention, and to the use of the polymer dispersion of the invention for coating compositions or paints and varnishes.Type: ApplicationFiled: September 18, 2015Publication date: September 28, 2017Applicant: BASF SEInventors: Roelof BALK, Bastiaan LOHMEIJER
-
Patent number: 9567484Abstract: The present invention relates to aqueous hybrid binders comprising an aqueous polymer dispersion (PD), and also 0.01%-5% by weight of a photoinitiator, and also to aqueous alkyd systems comprising a water-soluble alkyd resin or an aqueous alkyd or polyurethane emulsion or dispersion, and also 0.01%-5% by weight of a photoinitiator, and to the use thereof in coating compositions, more particularly in coating materials.Type: GrantFiled: June 21, 2013Date of Patent: February 14, 2017Assignee: BASF SEInventors: Sebastian Roller, Harm Wiese, Roelof Balk
-
Patent number: 9315660Abstract: The present invention relates to aqueous binder compositions obtainable by emulsion polymerization of (A) at least one C1-C10 alkyl (meth)acrylate, and/or a vinylaromatic compound having up to 20 C atoms, or mixtures thereof (monomers A), (B) and also, if appropriate, further monomers B, and (C) at least one water-soluble alkyd resin having a weight-average molecular weight between 5000 and 40 000 Da, wherein the polymerization of the monomers A and also, if appropriate, B and the alkyds C is carried out in the form of a parallel feed process, and also to their preparation and use in coating materials.Type: GrantFiled: June 12, 2008Date of Patent: April 19, 2016Assignee: BASF SEInventors: Roelof Balk, Sebastian Roller, Rolf Dersch, Uwe Dittrich
-
Patent number: 9169380Abstract: Coating compositions containing an aqueous polymer dispersion having improved resistance toward chemicals. The aqueous polymer dispersion is prepared by polymerizing a first composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization and then, in the presence of a product mixture from the previous polymerization, polymerizing a second composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization. The coating compositions are such that the difference between a glass transition temperature of a polymer prepared from the first polymerization and a glass transition temperature of a polymer prepared from the second polymerization is at least 50° C.Type: GrantFiled: December 11, 2012Date of Patent: October 27, 2015Assignee: BASF SEInventors: Sebastian Roller, Rolf Dersch, Uwe Dittrich, Roelof Balk, Bas Lohmeijer, Ulrich Tromsdorf
-
Patent number: 9150732Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.Type: GrantFiled: December 19, 2013Date of Patent: October 6, 2015Assignee: BASF SEInventors: Roelof Balk, Rolf Dersch, Sebastian Roller, Bernhard Schuler
-
Patent number: 9068087Abstract: The present invention relates to an aqueous binder composition comprising (a) at least one emulsion polymer comprising as monomer units a C1-C8 alkyl (meth)acrylate, a vinylaromatic compound having up to 20 carbon atoms or mixtures thereof, (b) at least one water-soluble alkyd resin having a weight-average molecular weight of between 5000 and 40 000 Da, and (c) at least one alkyd resin having a weight-average molecular weight of more than 100 000 Da in the form of an aqueous emulsion, wherein the solids content of the mixture of (a), (b), and (c) is less than 60% by weight, and also to their use and preparation.Type: GrantFiled: October 5, 2006Date of Patent: June 30, 2015Assignee: BASF AktiengesellschaftInventors: Roelof Balk, Rolf Dersch, Uwe Dittrich
-
Publication number: 20150126639Abstract: The present invention relates to aqueous hybrid binders comprising an aqueous polymer dispersion (PD), and also 0.01%-5% by weight of a photoinitiator, and also to aqueous alkyd systems comprising a water-soluble alkyd resin or an aqueous alkyd or polyurethane emulsion or dispersion, and also 0.01%-5% by weight of a photoinitiator, and to the use thereof in coating compositions, more particularly in coating materials.Type: ApplicationFiled: June 21, 2013Publication date: May 7, 2015Applicant: BASF SEInventors: Sebastian Roller, Harm Wiese, Roelof Balk