US 12,168,737 B2
Matting agent including polymer particles, matting polymer composition including matting agent, and method of producing polymer particles
Doo Han Ha, Yeosu-si (KR); Soo Wan Kim, Daejeon (KR); and Sung Wook Ha, Yeosu-si (KR)
Assigned to HANNANOTECH CO., LTD., Daejeon (KR)
Filed by HANNANOTECH CO., LTD., Daejeon (KR)
Filed on Aug. 30, 2022, as Appl. No. 17/823,437.
Claims priority of application No. 10-2021-0116569 (KR), filed on Sep. 1, 2021.
Prior Publication US 2023/0073124 A1, Mar. 9, 2023
Int. Cl. C09D 7/42 (2018.01); C08F 224/00 (2006.01); C08F 279/04 (2006.01); C08F 283/10 (2006.01); C09D 155/02 (2006.01); C08F 2/18 (2006.01); C08F 222/20 (2006.01); C09D 7/40 (2018.01)
CPC C09D 7/42 (2018.01) [C08F 224/00 (2013.01); C08F 279/04 (2013.01); C08F 283/105 (2013.01); C09D 155/02 (2013.01); C08F 2/18 (2013.01); C08F 222/20 (2013.01); C08F 222/205 (2020.02); C08F 283/10 (2013.01); C09D 7/69 (2018.01)] 9 Claims
 
1. A matting agent comprising polymer particles,
wherein the polymer particles are produced using a polymerizable composition including an aromatic vinyl compound, an unsaturated nitrile compound, and an alicyclic epoxy compound, and
an average particle size of the polymer particles is 1 to 5,000 μm,
wherein the polymer particles include divalent-SO3-.