公开(公告)号：US20250084253A1

公开(公告)日：2025-03-13

申请号：US18830223

申请日：2024-09-10

Applicant: AXALTA COATING SYSTEMS IP CO., LLC

Inventor： Petra Stoffel ,  Shih-Wa Wang ,  Michael S. Wolfe ,  Matthias Baltrusch

IPC: C09D5/00 ,  C09D5/02 ,  C09D7/44 ,  C09D7/61 ,  C09D7/65 ,  C09D125/14

Abstract: A method of preparing a multi-layer coated article is disclosed. The method utilizes a high transfer efficiency applicator comprising a plurality of nozzles configured to apply a stream or droplets of a coating composition. The method includes providing a substrate bearing a partially-dehydrated aqueous coating layer, preparing a compatible coating composition, and applying the compatible coating composition to the substrate. The compatible coating composition is prepared by providing a test layer of the partially-dehydrated aqueous coating layer, applying a plurality of candidate cosolvents to the test layer, identifying at least one compatible cosolvent, and formulating the compatible coating composition as a waterborne fluid suitable for overspray-free application.

公开(公告)号：US20240299974A1

公开(公告)日：2024-09-12

申请号：US18601911

申请日：2024-03-11

Applicant: AXALTA COATING SYSTEMS IP CO., LLC

Inventor： Shih-Wa Wang ,  Petra Stoffel ,  Michael S. Wolfe ,  Matthias Baltrusch ,  Michael R. Koerner

IPC: B05D1/02 ,  B05D7/00 ,  C09D7/43

CPC classification number: B05D1/02 ,  B05D7/532 ,  C09D7/43 ,  B05D2401/20

Abstract: A method of preparing a coated article is disclosed. The method includes providing a substrate bearing a partially-dehydrated aqueous coating layer. The method further includes providing a coating composition to a high transfer efficiency applicator, the high transfer efficiency applicator comprising a plurality of nozzles each being configured to apply a stream of the coating composition to a substrate substantially without atomization. The coating composition is a waterborne fluid that exhibits a near-Newtonian viscosity profile, and comprises a binder, a crosslinker, and a thickener. The method further includes applying the coating composition to the substrate with the high transfer efficiency applicator via disposing a plurality of lines of the coating composition onto the partially-dehydrated aqueous coating layer of the substrate via the plurality of nozzles, thereby forming an overspray free coating layer thereon.

公开(公告)号：US20220332134A1

公开(公告)日：2022-10-20

申请号：US17658847

申请日：2022-04-12

Applicant: AXALTA COATING SYSTEMS IP CO., LLC

Inventor： Michael S. Wolfe ,  Cameron Stevens ,  James Neal ,  Petra Stoffel ,  Matthias Baltrusch

IPC: B41M5/00 ,  C09D11/324 ,  C09D11/54 ,  C09D11/104

Abstract: A method includes applying a coating composition to a substrate through a high transfer efficiency applicator to form the coating layer on the substrate wherein a loss of volatiles is less than about 0.5 weight, and wherein the coating composition comprises: A. a resin comprising an acrylic, a polyester, or combinations thereof; B. a melamine cross-linker; C. an optional pigment; D. an organic solvent; and E. at least one polyurea crystal sag control agent that is the reaction product of an amine and an isocyanate, that has a melting point of from about 50° C. to about 150° C., and that is present in an amount of from about 0.1 to about 4 weight percent based on a total weight of the coating composition; and wherein the coating composition has a wet film thickness of at least about 30 microns measured at about 45 degrees without visible sag.