	US 12,030,971 B2
	Two-part cyanoacrylate curable adhesive system
Aine Mooney, Dublin (IE); Jayesh P. Shah, Plaistow, NH (US); and Dipak Tathe, Pune (IN)
Assigned to Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed by Henkel IP & Holding GmbH, Düsseldorf (DE); and Henkel AG & Co. KGaA, Düsseldorf (DE)
Filed on Jan. 25, 2021, as Appl. No. 17/156,888.
Application 17/156,888 is a continuation of application No. PCT/EP2019/071569, filed on Aug. 12, 2019.
Claims priority of application No. 201821030360 (IN), filed on Aug. 13, 2018.
Prior Publication US 2021/0147597 A1, May 20, 2021
Int. Cl. C08L 33/14 (2006.01); C08F 222/32 (2006.01); C08L 63/00 (2006.01); C09J 4/00 (2006.01); C09J 133/14 (2006.01); C09J 11/08 (2006.01); C09J 163/00 (2006.01)

CPC C08F 222/322 (2020.02) [C09J 4/00 (2013.01); C09J 133/14 (2013.01)]

23 Claims

1. A two-part curable composition comprising:

a. a first part comprising a cyanoacrylate component, a cationic catalyst, and a plurality of polyolefin fibres having an average length of from about 400 μm to about 1000 μm and an average diameter of more than about 5 μm and less than about 25 μm, which are present in an amount of from about 0.5 wt % to about 3.5 wt % based on the total weight of the first part of the composition;

b. a second part comprising a cationic curable component, and an initiator component;

wherein when mixed together the cationic catalyst initiates cure of the cationic curable component.