Patent ID: 11866604
Assignee: THE SHERWIN-WILLIAMS COMPANY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 5:
6. A method for preparing a coating composition, comprising:
blending a waterborne urethane alkyd resin and a crosslinking acrylic latex resin;
solids of said waterborne urethane alkyd resin and solids of said crosslinking acrylic latex resin being present in a mass ratio ranging from 20:80 to 80:20 with respect to one another;
urethane groups in said alkyd resin comprising a residue of isophorone diisocyanate;
said acrylic latex resin comprising residues of styrene and diacetone acrylamide and including an adipic dihydrazide crosslinker;
said composition further comprising titanium dioxide; and
including providing in said coating composition one or more glycols in an amount of at least 5 g/L, the coating composition having a VOC content of less than 50 g/ L.