US 11,814,482 B2
Triazine ring-containing polymer, and thermoplastic article and optical part including same
Eigo Miyazaki, Hwaseong-si (KR); Masashi Tsuji, Hwaseong-si (KR); Tomoyuki Kikuchi, Hwaseong-si (KR); and Yukika Yamada, Yokohama (JP)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Dec. 3, 2020, as Appl. No. 17/110,823.
Claims priority of application No. 2019-218975 (JP), filed on Dec. 3, 2019.
Prior Publication US 2021/0163682 A1, Jun. 3, 2021
Int. Cl. C08G 73/06 (2006.01); G02B 1/04 (2006.01)
CPC C08G 73/0644 (2013.01) [G02B 1/04 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A triazine ring-containing polymer having a repeating unit that comprises:
a structural unit derived from a triazine dithiol compound,
the triazine ring-containing polymer comprising terminal SH groups and a portion of terminal groups that are capped with a hydrocarbon group, and
wherein a number of the SH groups in the triazine ring-containing polymer is less than about 1×1018 per gram of the polymer, and the polymer has a yellowness index of less than 3.