US 12,421,413 B2
Aqueous coating composition
Yasuyuki Kataoka, Kanagawa (JP); Tatsuya Kai, Kanagawa (JP); and Yukako Kanda, Kanagawa (JP)
Assigned to KANSAI PAINT CO., LTD., Hyogo (JP)
Appl. No. 17/921,294
Filed by KANSAI PAINT CO., LTD., Hyogo (JP)
PCT Filed Jun. 7, 2021, PCT No. PCT/JP2021/021646
§ 371(c)(1), (2) Date Oct. 25, 2022,
PCT Pub. No. WO2021/251352, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 2020-099469 (JP), filed on Jun. 8, 2020.
Prior Publication US 2023/0167327 A1, Jun. 1, 2023
Int. Cl. C09D 123/12 (2006.01); B65D 65/42 (2006.01); C09D 5/08 (2006.01); C09D 7/20 (2018.01); C09D 7/63 (2018.01); C09D 123/08 (2006.01)
CPC C09D 123/12 (2013.01) [B65D 65/42 (2013.01); C09D 5/08 (2013.01); C09D 7/20 (2018.01); C09D 7/63 (2018.01); C09D 123/0869 (2013.01)] 8 Claims
 
1. An aqueous coating composition comprising a polyolefin resin aqueous dispersion (A) containing a polypropylene (A1), a crosslinking agent (B) having a functional group that reacts with a carboxyl group, an amino silane (C), and an organic solvent (D) having water solubility in a range of 0.01 to 5.0 g/100 g and a boiling point in a range of 120 to 250° C.,
wherein a content of the organic solvent (D) is in a range of 0.2 to 6.0 mass % with respect to a total solid content of the polyolefin resin aqueous dispersion (A).