Top Coat Composition
AssigneeAxalta Coating Systems IP Co., LLC
InventorsCarmen Flosbach, Stephen Istivan, Zoha al-Badri
Life of this patent
Estimating the term…
Abstract
Waterborne top coat compositions, processes for preparing such compositions, and methods for forming top coats on substrates are provided. In an embodiment, a waterborne top coat composition includes water, pigment(s) and resin solids. The resin solids comprise about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids comprising about 1 to about 40 wt. % of an acrylic/(meth)acryl copolymer hybrid binder, and about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %.
Claims16
A waterborne top coat composition comprising:
- water;
- pigment(s);
- and
- resin solids;
- wherein the resin solids comprise from about 60 to 100 wt. % of binder solids and from 0 to about 40 wt. % of crosslinker solids;
- wherein the binder solids comprise from about 1 to about 40 wt. % of an acrylic/(meth)acryl copolymer hybrid binder, and from about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %.
A method for forming a top coat on a substrate, the method comprising:
- spray-applying a waterborne top coat composition on the substrate to form a top coat layer, wherein the waterborne top coat composition comprises water, pigment(s) and resin solids, the resin solids comprising about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids comprising about 1 to about 40 wt. % of a acrylic/(meth)acryl copolymer hybrid binder, and about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %;
- and
- curing the top coat layer to form a cured top coat.
Dependencies are inferred from the claim text.