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US 2026/0193498 A1Published application
Method of underwater bonding
AssigneeHenkel AG & Co. KGaA
InventorsEmer Ward, Susan Reilly, Frances Murphy, Patricia Hedderman, Michael Jordan
Life of this patent
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Abstract
A method of bonding substrates that are underwater comprising applying, underwater, a cyanoacrylate composition to at least one substrate and allowing the composition to cure underwater.
Claims23
A method of bonding substrates that are underwater comprising:
- (a) applying, underwater, a cyanoacrylate composition to at least one substrate, wherein the cyanoacrylate composition comprises:
- i. a first part comprising a cyanoacrylate component and a peroxide catalyst;
- and
- ii. a second part comprising a free radical curable component and a transition metal,
- wherein when mixed together the peroxide catalyst initiates cure of the free radical curable component and the transition metal initiates cure of the cyanoacrylate component,
- (b) allowing the composition to cure underwater.
3 more elements
An assembly comprising two underwater substrates that are bonded together by a cyanoacrylate composition comprising:
- i. a first part comprising a cyanoacrylate component and t-butyl perbenzoate as a peroxide catalyst present in an amount from about 0.01% to about 10%, by weight of the cyanoacrylate component;
- and
- ii. a second part comprising a free radical curable component and a transition metal,
- wherein the cyanoacrylate component comprises H2C═C(CN)—COOR, wherein R is selected from alkyl, alkoxyalkyl, cycloalkyl, alkenyl, aralkyl, aryl, allyl and haloalkyl groups, and wherein when mixed together the peroxide catalyst initiates cure of the free radical curable component and the transition metal initiates cure of the cyanoacrylate component.
1 more element
Dependencies are inferred from the claim text.