US 12,276,912 B2
UV- and heat-curable ladder-like polysilsesquioxane copolymer, insulation composition containing same and method for forming microcircuit pattern using same
Seung Sang Hwang, Seoul (KR); Soon Man Hong, Seoul (KR); Kyung Youl Baek, Seoul (KR); Chong Min Koo, Seoul (KR); Albert Lee, Seoul (KR); Seon Joon Kim, Seoul (KR); and You Mee Choi, Seoul (KR)
Assigned to Korea Institute of Science and Technology, Seoul (KR)
Filed by KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul (KR)
Filed on Jul. 23, 2021, as Appl. No. 17/384,200.
Claims priority of application No. 10-2021-0058994 (KR), filed on May 7, 2021.
Prior Publication US 2022/0372231 A1, Nov. 24, 2022
Int. Cl. G03F 7/075 (2006.01); C08G 77/04 (2006.01); C08G 77/18 (2006.01); C08G 77/20 (2006.01); C08G 77/28 (2006.01); H01B 3/30 (2006.01)
CPC G03F 7/0758 (2013.01) [C08G 77/045 (2013.01); C08G 77/18 (2013.01); C08G 77/28 (2013.01); H01B 3/307 (2013.01)] 12 Claims
 
1. A ladder-like polysilsesquioxane copolymer having a thiol group and an ene group protected with a silyl group, which is represented by Chemical Formula 1:

OG Complex Work Unit Chemistry
wherein
R1 is selected from an aromatic mercapto group protected with a silyl group and an aliphatic mercapto group protected with a silyl group,
R2 is selected from a substituted or unsubstituted C1-20 alkenyl group, a substituted or unsubstituted C1-20 alkynyl group, a substituted or unsubstituted C6-30 arene group, a substituted or unsubstituted C6-30 aryl group and a substituted or unsubstituted C2-15 heteroaryl group, and
each of n, m, o and p is independently an integer from 1 to 10,000.