US 11,746,262 B2
Phthalonitrile adhesive formulations and related methods
Ashley M. Dustin, Los Angeles, CA (US); Andrew P. Nowak, Los Angeles, CA (US); Gregory P. Nowak, Swansea, IL (US); Kevin J. Drummey, Los Angeles, CA (US); and Michael Ventuleth, Camarillo, CA (US)
Assigned to The Boeing Company, Chicago, IL (US)
Filed by The Boeing Company, Chicago, IL (US)
Filed on Apr. 30, 2020, as Appl. No. 16/863,052.
Prior Publication US 2021/0340413 A1, Nov. 4, 2021
Int. Cl. C09J 11/06 (2006.01); C09J 179/02 (2006.01); C08K 5/315 (2006.01); C08K 3/013 (2018.01); C08G 73/02 (2006.01); C08K 5/00 (2006.01)
CPC C09J 11/06 (2013.01) [C08G 73/024 (2013.01); C08K 5/315 (2013.01); C09J 179/02 (2013.01); C08K 3/013 (2018.01); C08K 5/0025 (2013.01)] 28 Claims
 
1. An adhesive formulation comprising:
(a) a phthalonitrile additive selected from a group consisting of 1,2-dicyanobenzene; a derivative of 1,2-dicyanobenzene; and combinations thereof;
(b) a bisphthalonitrile compound; and
(c) a curing agent,
wherein the phthalonitrile additive does not comprise an ether functional group and does not comprise a thioether functional group.