US 12,084,561 B2
Curable fluoropolymer compositions comprising bis phthalonitrile-containing compound and cured articles therefrom
Michael H. Mitchell, Edina, MN (US); Benjamin J. Anderson, Eden Prairie, MN (US); Gregg D. Dahlke, St. Paul, MN (US); and Tatsuo Fukushi, Woodbury, MN (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Appl. No. 17/296,564
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Dec. 4, 2019, PCT No. PCT/IB2019/060435
§ 371(c)(1), (2) Date May 25, 2021,
PCT Pub. No. WO2020/121125, PCT Pub. Date Jun. 18, 2020.
Claims priority of provisional application 62/779,583, filed on Dec. 14, 2018.
Prior Publication US 2022/0025154 A1, Jan. 27, 2022
Int. Cl. C08K 5/315 (2006.01); C08F 214/18 (2006.01); C08F 214/22 (2006.01); C08F 214/28 (2006.01); C08J 5/18 (2006.01); C09K 3/10 (2006.01)
CPC C08K 5/315 (2013.01) [C08F 214/184 (2013.01); C08F 214/22 (2013.01); C08F 214/28 (2013.01); C08J 5/18 (2013.01); C09K 3/1009 (2013.01); C08F 2800/20 (2013.01); C08J 2327/16 (2013.01); C08J 2327/20 (2013.01); C09K 2200/0637 (2013.01)] 16 Claims
 
1. A curable composition comprising (a) a partially fluorinated polymer, wherein the backbone of the partially fluorinated polymer comprises carbon-carbon double bonds or is capable of forming carbon-carbon double bond, and (b) a compound of Formula I

OG Complex Work Unit Chemistry
wherein X1 and X2 are independently selected from O or S, and L is

OG Complex Work Unit Chemistry
wherein R is selected from the group consisting of —S—, —O—, —C(CF3)2—, —C(CH3)2—, —CH2—, —SO2—, —C(═O)—, or —C(CH3)2—C6H4—C(CH3)2—; each R″ is independently selected from a methyl, methoxy, ethyl, and ethoxy group; and each R″ is independently selected from a methyl, methoxy, ethyl, or ethoxy group.