	US 12,331,187 B2
	Aqueous resin dispersion and aqueous coating composition containing said resin dispersion
Andreas Arrian Kunze, Muenster (DE); Sibylle Schoeps, Muenster (DE); Rene Hamsen, Muenster (DE); Dirk Benning, Muenster (DE); Hildegund Diekmann, Drensteinfurt (DE); Martin Geuting, Muenster (DE); Silke Przybilla, Muenster (DE); Joerg Ressel, Muenster (DE); Ignacia Rump, Muenster (DE); Dagmar Schemschat, Senden (DE); Hubert Theil, Shanghai (CN); Anna Kondrat, Muenster (DE); Beate Rohkamp, Muenster (DE); Monika Tiggemann, Drensteinfurt (DE); Thorsten Winkler, Muenster (DE); Egbert Nienhaus, Muenster (DE); and Sven Gosheger, Drensteinfurt (DE)
Assigned to BASF COATINGS GMBH, Muenster (DE)
Appl. No. 17/612,707
Filed by BASF Coatings GmbH, Münster (DE)
PCT Filed Apr. 23, 2020, PCT No. PCT/EP2020/061370 § 371(c)(1), (2) Date Nov. 19, 2021, PCT Pub. No. WO2020/233939, PCT Pub. Date Nov. 26, 2020.
Claims priority of application No. 19176217 (EP), filed on May 23, 2019.
Prior Publication US 2022/0220298 A1, Jul. 14, 2022
Int. Cl. C08L 63/00 (2006.01); C08G 59/10 (2006.01); C08G 59/18 (2006.01); C08G 59/24 (2006.01); C08G 59/40 (2006.01); C08G 59/50 (2006.01); C09D 163/00 (2006.01)

CPC C08L 63/00 (2013.01) [C08G 59/10 (2013.01); C08G 59/245 (2013.01); C08G 59/5026 (2013.01); C08G 59/5033 (2013.01); C09D 163/00 (2013.01); C08L 2201/50 (2013.01)]

17 Claims

1. An aqueous resin dispersion (AD) comprising a resin component (R) comprising at least one di- and/or polyfunctional monomeric primary and/or secondary amine (M) and polyfunctional polymeric organic amines having primary and/or secondary amino groups,

wherein the resin component (R) has an NH equivalent of 150 to 400 g/mol and a proportion by weight of the at least one di- and/or polyfunctional monomeric organic amine (M) of 5% to 15% by weight in the aqueous resin dispersion (AD), wherein the at least one di- and/or polyfunctional monomeric organic amine (M) is unreacted in the aqueous resin dispersion (AD);

wherein the polyfunctional polymeric organic amines having primary and secondary amino groups also comprise, in interreacted form,

(i) at least one di- and/or multifunctional organic epoxy compound, wherein the epoxy compounds have an average epoxy equivalent weight of less than 400 g/mol,

(ii) at least one monomeric amine (M), and

(iii) at least one compound X—R wherein X is a functional group reactive toward epoxy groups and R is an organic radical containing polyoxyalkylene units and not containing any further X groups,

and wherein the at least one monomeric amine (M) consists to an extent of at least 65 mol % of amines consisting of amino groups and hydrocarbon units.