US 12,103,997 B2
Two-part cyanoacrylate curable adhesive system
Jayesh P Shah, Pune (IN); Sangita Singh, Pin (IN); Nishant Tale, Pune (IN); and Krunal Trivedi, Vapi (IN)
Assigned to Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed by Henkel AG & Co. KGaA, Düsseldorf (DE)
Filed on Jan. 26, 2021, as Appl. No. 17/158,989.
Application 17/158,989 is a continuation of application No. PCT/EP2019/071572, filed on Aug. 12, 2019.
Claims priority of application No. 201821030359 (IN), filed on Aug. 13, 2018.
Prior Publication US 2021/0171686 A1, Jun. 10, 2021
Int. Cl. C08F 222/32 (2006.01); C08F 220/14 (2006.01); C08F 220/18 (2006.01); C08G 59/24 (2006.01); C08G 59/68 (2006.01); C08K 3/32 (2006.01); C08K 3/38 (2006.01); C08K 5/1565 (2006.01); C08L 25/10 (2006.01); C08L 55/02 (2006.01); C09J 4/06 (2006.01)
CPC C08F 222/322 (2020.02) [C08F 220/14 (2013.01); C08F 220/1804 (2020.02); C08G 59/245 (2013.01); C08G 59/68 (2013.01); C08K 3/32 (2013.01); C08K 3/38 (2013.01); C08K 5/1565 (2013.01); C08L 25/10 (2013.01); C08L 55/02 (2013.01); C09J 4/06 (2013.01); C08G 2170/00 (2013.01); C08K 2003/329 (2013.01); C08K 2201/005 (2013.01); C08L 2207/53 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A two-part curable composition comprising:
a. a first part comprising a cyanoacrylate component, and a cationic curing catalyst;
b. a second part comprising a cationic curable component, an initiator component, and a cyclic carbonate;
wherein the two-part composition further comprises core-shell rubber particles having an average particle size of from about 50 μm to about 300 μm;
wherein when mixed together, the cationic curing catalyst initiates cure of the cationic curable component.