US 12,234,310 B2
Blood-compatible fluorine-based polymer and thin film comprising same
Eun Ho Sohn, Daejeon (KR); Dong Je Han, Daejeon (KR); Hyeon Jun Heo, Daejeon (KR); Jeong Kim, Daejeon (KR); In Joon Park, Daejeon (KR); Jong Wook Ha, Daejeon (KR); Soo Bok Lee, Daejeon (KR); Hong Suk Kang, Daejeon (KR); Sang Goo Lee, Daejeon (KR); and Shin Hong Yook, Daejeon (KR)
Assigned to KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOG, Daejeon (KR)
Filed by KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, Daejeon (KR)
Filed on Jun. 18, 2021, as Appl. No. 17/351,924.
Application 17/351,924 is a continuation in part of application No. PCT/KR2019/017415, filed on Dec. 10, 2019.
Claims priority of application No. 10-2018-0166493 (KR), filed on Dec. 20, 2018.
Prior Publication US 2021/0395424 A1, Dec. 23, 2021
Int. Cl. C08F 259/08 (2006.01); A61L 31/10 (2006.01); C08J 5/18 (2006.01); C08L 27/24 (2006.01); C09D 127/24 (2006.01)
CPC C08F 259/08 (2013.01) [A61L 31/10 (2013.01); C08J 5/18 (2013.01); C08L 27/24 (2013.01); C09D 127/24 (2013.01); C08J 2327/24 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A blood-compatible polymer which is grafted copolymer of vinylidene fluoride (VDF) and chorotrifluoroethylene (CTFE) grafted only with monomer of fluorine-based methacrylate, wherein the fluorine-based methacrylate is represented by the below formula A:

OG Complex Work Unit Chemistry
wherein k is an integer of 0 to 6,
and wherein the blood-compatible polymer is represented by Formula 1 below:

OG Complex Work Unit Chemistry
in Formula 1 above, x is a mole fraction and is a real number satisfying 0<x<1, y is a mole fraction and is a real number satisfying 0<y<1, z is a mole fraction and is a real number satisfying 0<z<1, wherein x+y+z=1, n is an integer of 5 to 200, and k is an integer of 0 to 6.