公开(公告)号：US10689468B2

公开(公告)日：2020-06-23

申请号：US15532355

申请日：2015-11-20

申请人： BASF Coatings GmbH

发明人： Andreas Poppe ,  Norbert Loew ,  Cathrin Corten ,  Britta Schnieders ,  Wei Qiu Hu

IPC分类号： C08F220/14 ,  C09D143/04 ,  C09D133/06 ,  B05D7/00 ,  C09D5/00 ,  C09D133/12 ,  C09D167/02

摘要： The present invention relates to a copolymer (A) having a glass transition temperature Tg of at least −30° C. obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent and in the presence of at least one initiator, where the mixture of monomers (a) to be polymerized comprises (a1) 10 to 60 mol % of at least one monomer of the formula (I) below where R1=C1 to C4 alkoxy, R2=C1 to C4 alkyl, and m=0 to 2, and (a2) 40 to 90 mol % of at least one olefinically unsaturated monomer selected from the group consisting of monomers of the formulae H2C═CH2—(C═O)—O—Rx, H2C═CH(CH3)—(C═O)—O—Rx, and H2C═CH2—O—(C═O)—Rx, where Rx is an alkyl radical having 1 to 20 carbon atoms, and where the sum total of the molar fractions of the monomers (a1) and (a2), based on the total molar amount of monomers (a) used, is at least 90 mol %, and where the copolymerization is carried out at a temperature from 60 to 200° C. and at a pressure of at least 2 bar.

公开(公告)号：US20190085116A1

公开(公告)日：2019-03-21

申请号：US16081293

申请日：2017-02-23

申请人： BASF Coatings GmbH

发明人： Cathrin Corten ,  Dirk Eierhoff ,  Britta Schnieders ,  Nicole Freitag ,  Heinz-Ulrich Grumpe ,  Mechthild Vienenkoetter ,  Ralf Nickolaus

IPC分类号： C08G18/42 ,  C08G18/66 ,  C08G18/76 ,  B05D7/00 ,  B05D7/14

摘要： Described herein are aqueous dispersions including multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.

公开(公告)号：US10988567B2

公开(公告)日：2021-04-27

申请号：US16081293

申请日：2017-02-23

申请人： BASF Coatings GmbH

发明人： Cathrin Corten ,  Dirk Eierhoff ,  Britta Schnieders ,  Nicole Freitag ,  Heinz-Ulrich Grumpe ,  Mechthild Vienenkoetter ,  Ralf Nickolaus

IPC分类号： C08G18/42 ,  C08G18/66 ,  C08G18/76 ,  B05D7/00 ,  B05D7/14 ,  C09D175/04 ,  C08G18/12 ,  C08G18/32

摘要： The present invention relates to aqueous dispersions comprising multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.

公开(公告)号：US10920100B2

公开(公告)日：2021-02-16

申请号：US15779168

申请日：2016-06-03

申请人： BASF COATINGS GMBH

发明人： Cathrin Corten ,  Dirk Eierhoff ,  Patrick Wilm ,  Britta Schnieders ,  Nicole Freitag ,  Heinz-Ulrich Grumpe ,  Joerg Schwarz

IPC分类号： C09D153/00 ,  B05D7/14 ,  B05D7/00 ,  C09D5/00 ,  C25D13/04 ,  C25D13/22

摘要： Provided herein is a method for producing a multicoat paint system on a metallic substrate by producing a basecoat or a plurality of directly successive basecoats directly on a metallic substrate coated with a cured electrocoat system, producing a clearcoat directly on the one or the topmost of the plurality of basecoats, and subsequently jointly curing the one or the plurality of basecoats and the clearcoat, wherein at least one basecoat material used for producing the basecoats includes at least one aqueous dispersion which includes a polymer whose preparation includes successive radical emulsion polymerization of three mixtures of olefinically unsaturated monomers.

公开(公告)号：US10544250B2

公开(公告)日：2020-01-28

申请号：US15532248

申请日：2015-11-20

申请人： BASF Coatings GmbH

发明人： Andreas Poppe ,  Norbert Loew ,  Cathrin Corten ,  Britta Schnieders ,  Wei Qiu Hu

IPC分类号： C08F230/08 ,  C08F220/14 ,  C09D133/06 ,  C09D143/04 ,  C08F220/06 ,  C08F220/18 ,  C08L33/06 ,  C08L67/02 ,  C08L75/04

摘要： The present invention relates to a solventborne, pigmented coating composition, which comprises, based on the total amount of the coating composition, 0.02 to 0.75 wt % of at least one copolymer (A), where the copolymer (A) is obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent and the copolymer (A) possesses a glass transition temperature Tg of at least −30° C.

公开(公告)号：US20200010721A1

公开(公告)日：2020-01-09

申请号：US16319096

申请日：2017-07-20

申请人： BASF Coatings GMBH

发明人： Cathrin Corten ,  Dirk Eierhoff ,  Britta Schnieders ,  Nicole Freitag ,  Josef Rademacher ,  Michael Grabbe

IPC分类号： C09D175/14 ,  C08F2/22 ,  C08F2/00 ,  C08F212/08 ,  C08F220/06 ,  C08F220/14 ,  C08F257/02 ,  C08G18/08 ,  C08G18/12 ,  C08G18/28 ,  C08G18/32 ,  C08G18/42 ,  C08G18/48 ,  C08G18/67 ,  C08G18/75 ,  C08K5/05 ,  C08K3/013 ,  C09D7/43

摘要： Provided herein is a mixer system for producing refinish compositions, more particularly for the sector of automotive finishing, including at least mutually different components (1), (2), and (3), namely component (1) as base varnish, component (2) as tinting base, and component (3) as rheology module, with at least one of components (1) to (3) including at least one aqueous dispersion including at least one polymer prepared by multistage emulsion polymerization, and at least one of components (1) to (3) including at least one aliphatic monoalcohol having 5 carbon atoms and/or at least one aliphatic monoalcohol having 6 carbon atoms. Further provided herein is an aqueous refinish composition that is produced by the mixing of components (1) to (3), and a method for producing aqueous refinish compositions. Further provided herein is a use of the mixer system for producing aqueous refinish compositions for automotive refinishing.

公开(公告)号：US10465088B2

公开(公告)日：2019-11-05

申请号：US15528269

申请日：2015-11-20

申请人： BASF Coatings GmbH

发明人： Andreas Poppe ,  Norbert Loew ,  Cathrin Corten ,  Britta Schnieders ,  Wei Qiu Hu

IPC分类号： C09D133/08 ,  C08F220/14 ,  C09D133/06 ,  C09D143/04 ,  C09D7/61 ,  B05D7/00 ,  C09D133/12 ,  C09D167/02 ,  C08F220/12

摘要： The present invention relates to a solventborne, pigmented coating composition having a solids fraction of at least 35%, which comprises, based on the total amount of the coating composition, 0.1 to 1.5 wt % of at least one copolymer (A), where the copolymer (A) is obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent, the mixture of monomers (a) to be polymerized consists of (a1) 10 to 60 mol % of at least one monomer of the formula (I) below where R1═C1 to C4 alkoxy, R2═C1 to C4 alkyl, and m=0 to 2, and also (a2) 40 to 90 mol % of at least one further olefinically unsaturated monomer, and the copolymer (A) possesses a glass transition temperature Tg of at least −30° C. The present invention also relates to a method for producing a multicoat paint system using the coating composition, and to the multicoat paint systems themselves.

公开(公告)号：US09777188B2

公开(公告)日：2017-10-03

申请号：US14766553

申请日：2014-02-07

申请人： BASF Coatings GmbH

发明人： Audrée Andersen ,  Markus Saedler ,  Fatmir Raka ,  Nicole Freitag ,  Britta Schnieders ,  Alexandra Steffens ,  Cathrin Corten ,  Frederik Fölling

IPC分类号： B32B27/06 ,  C09D167/02 ,  C09D5/02 ,  C09D7/12 ,  B05D7/00 ,  B05D3/02 ,  C08L75/04

CPC分类号： C09D167/02 ,  B05D3/0272 ,  B05D7/532 ,  B05D7/534 ,  C08L75/04 ,  C09D5/02 ,  C09D7/63

摘要： Pigmented aqueous basecoat material comprises at least one alpha, omega-hydroxy-functionalized oligoester having an OH number of 25 to 95 mg KOH/g, a theoretical carbon-carbon double bond content of 0.5 to 2.5 mmol/g, a number-average molecular weight of 2500 to 6000 g/mol and a weight-average molecular weight of 15 000 to 30 000 g/mol, the alpha, omega-hydroxy-functionalized oligoester further comprising at least one partially or completely salified acid group, and the sum of the weight percentage fractions of all the alpha, omega-hydroxy-functionalized oligoesters being 0.5 to 10 wt %, based on the total solids fraction of the pigmented aqueous basecoat material. Also provided are a multicoat paint system, a method of producing a multicoat paint system, and use of the above-identified alpha, omega-hydroxy-functionalized oligoester in pigmented aqueous basecoat materials for the purpose of improving adhesion.

公开(公告)号：US10907069B2

公开(公告)日：2021-02-02

申请号：US16319096

申请日：2017-07-20

申请人： BASF Coatings GMBH

发明人： Cathrin Corten ,  Dirk Eierhoff ,  Britta Schnieders ,  Nicole Freitag ,  Josef Rademacher ,  Michael Grabbe

IPC分类号： C09D175/14 ,  C09D7/43 ,  C08K3/013 ,  C08F2/00 ,  C08F2/22 ,  C08F212/08 ,  C08F220/06 ,  C08F220/14 ,  C08F257/02 ,  C08G18/08 ,  C08G18/12 ,  C08G18/28 ,  C08G18/32 ,  C08G18/42 ,  C08G18/48 ,  C08G18/67 ,  C08G18/75 ,  C08K5/05 ,  C08F220/18

摘要： Provided herein is a mixer system for producing refinish compositions, more particularly for the sector of automotive finishing, including at least mutually different components (1), (2), and (3), namely component (1) as base varnish, component (2) as tinting base, and component (3) as rheology module, with at least one of components (1) to (3) including at least one aqueous dispersion including at least one polymer prepared by multistage emulsion polymerization, and at least one of components (1) to (3) including at least one aliphatic monoalcohol having 5 carbon atoms and/or at least one aliphatic monoalcohol having 6 carbon atoms. Further provided herein is an aqueous refinish composition that is produced by the mixing of components (1) to (3), and a method for producing aqueous refinish compositions. Further provided herein is a use of the mixer system for producing aqueous refinish compositions for automotive refinishing.

公开(公告)号：US10577505B2

公开(公告)日：2020-03-03

申请号：US15545019

申请日：2016-01-08

申请人： BASF Coatings GmbH

发明人： Cathrin Corten ,  Dirk Eierhoff ,  Britta Schnieders ,  Nicole Freitag ,  Heinz-Ulrich Grumpe ,  Elisabeth Wessling ,  Joerg Schwarz ,  Mechthild Vienenkoetter ,  Patrick Wilm

IPC分类号： C08F2/48 ,  C08F2/46 ,  C09D5/02 ,  C09D7/40 ,  B05D3/02 ,  B05D7/00 ,  C09D133/08

摘要： The invention relates to aqueous dispersions comprising multistage-prepared polymers, and also to coating material compositions comprising them, preparable by multistage polymerization of olefinically unsaturated monomers, using an emulsifier and a water-soluble initiator, under conditions of starved feed polymerization, and using particular monomer mixtures in the individual stages.The invention also relates to a pigmented aqueous basecoat material comprising the aqueous dispersion of the invention, to the use of the aqueous dispersion of the invention in aqueous basecoat materials for improving adhesion, to a process for producing a multicoat paint system on a substrate, and to a multicoat paint system produced in accordance with the stated process.