US 12,252,624 B2
Polymer composition for thin coatings
Hong Ding, Warrensville Heights, OH (US); Weilin Tang, Warrensville Heights, OH (US); Dehui Han, Warrensville Heights, OH (US); and Mahshid Niknahad, Warrensville Heights, OH (US)
Assigned to SWIMC LLC, Cleveland, OH (US)
Appl. No. 17/595,593
Filed by SWIMC LLC, Cleveland, OH (US)
PCT Filed Jun. 5, 2020, PCT No. PCT/US2020/036287
§ 371(c)(1), (2) Date Nov. 19, 2021,
PCT Pub. No. WO2020/247727, PCT Pub. Date Dec. 10, 2020.
Prior Publication US 2022/0228025 A1, Jul. 21, 2022
Int. Cl. C09D 167/00 (2006.01); C08G 18/42 (2006.01); C08G 18/64 (2006.01); C09D 175/02 (2006.01); C09D 175/06 (2006.01)
CPC C09D 175/06 (2013.01) [C08G 18/4202 (2013.01); C08G 18/4208 (2013.01); C08G 18/4236 (2013.01); C08G 18/4277 (2013.01); C08G 18/6415 (2013.01)] 16 Claims
 
1. A polymer composition for coatings, the polymer composition comprising a polyester component with one or more polyester polyols having a hydroxyl value of about 50 to about 300 mg KOH/g and a polyurea component having a polyester-polyol grafted polyurea with a hydroxyl value of about 20 to about 100 mg KOH/g.