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US 10,947,418 B2Granted
Cyanoacrylate compositions
AssigneeHenkel IP & Holding GmbH
InventorsRaymond Tully, Rory Barnes, Mark Loane, Robert Lambert, Cecile Ollagnier
Life of this patent
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Abstract
Cyanoacrylate compositions that include, in addition to an allyl-2-cyanoacrylate, a rubber toughening component and a component functionalized with at least two blocked hydroxyl groups are provided.
Claims22
A cyanoacrylate composition, comprising:
- (a) allyl-2-cyanoacrylate,
- (b) a rubber toughening agent comprised of (i) reaction products of the combination of ethylene, methyl acrylate and monomers having carboxylic acid cure sites, (ii) dipolymers of ethylene and methyl acrylate, and combinations of (i) and (ii), and
- (c) a component represented by:
- wherein A is a C4 to C30 aliphatic chain which can optionally comprise heteroatoms selected from the group consisting of O, N and S, and wherein said chain is optionally substituted with one or more acrylate and/or methacrylate functional groups, and/or one or more C1-C10 alkyl groups;
- and wherein R1 and R2 are the same or different and are each optionally selected from the group consisting of H and C1 to C6 alkyl.
2 more elements
Dependencies are inferred from the claim text.