US 12,134,665 B2
Preparing method for polymer, composition for radical polymerization and control agent for radical polymerization
Takumi Takayama, Okayama (JP); Kazuhiko Maekawa, Okayama (JP); Tomoya Hosoki, Ibaraki (JP); and Chi-How Peng, Hsinchu (TW)
Assigned to NATIONAL TSING HUA UNIVERSITY, Hsinchu (TW)
Filed by National Tsing Hua University, Hsinchu (TW)
Filed on Mar. 25, 2022, as Appl. No. 17/704,106.
Claims priority of application No. 2021-063656 (JP), filed on Apr. 2, 2021.
Prior Publication US 2022/0325013 A1, Oct. 13, 2022
Int. Cl. C08F 16/06 (2006.01); C08F 2/38 (2006.01); C08F 293/00 (2006.01)
CPC C08F 16/06 (2013.01) [C08F 2/38 (2013.01); C08F 293/005 (2013.01); C08F 2438/02 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A composition for controlled radical polymerization comprises organic compound (A) having formula (III) and radical initiator (B) existing in a mole ratio (B/A) ranged from 0.5 to 25, the structure of formula (III) is shown as

OG Complex Work Unit Chemistry
wherein the formula of organic compound (A) does not contain halogen atoms, sulfur atoms, or metals.