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US 9,814,778 B2Granted
Ionically crosslinked polyelectrolytes as underwater adhesives as controlled release vehicles
AssigneeThe University of Toledo
InventorsYakov Lapitsky, Yan Huang
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Abstract
Underwater adhesive materials, methods of making the same, and methods of using the same are described.
Claims15
A composition comprising:
- a non-polysaccharide polymer having two or more amine groups;
- and
- a multivalent phosphate crosslinker;
- the composition comprising an ionically crosslinked network that forms a gel-like coacervate at a pH in the range of from about 4 to about 10;
- wherein the non-polysaccharide polymer having two or more amine groups is poly(allylamine hydrochloride) (PAH) and the multivalent phosphate crosslinker is selected from the group consisting of pyrophosphate (PPi) and tripolyphosphate (TPP).
2 more elements
Dependencies are inferred from the claim text.