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US 9,943,487 B2Granted
Polydopamine-coated capsules
AssigneeThe Board of Trustees of the University of Illinois
InventorsScott R. White, Nancy R. Sottos, Sen Kang, Marta B. Baginska
Life of this patent
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Abstract
One aspect of the invention is a polymer material comprising a capsule coated with PDA. In certain embodiments, the capsule encapsulates a functional agent. The encapsulated functional agent may be an indicating agent, healing agent, protecting agent, pharmaceutical drug, food additive, or a combination thereof.
Claims23
A core-shell microcapsule consisting of:
- a) a coating of polydopamine (PDA) on a shell wall of a microcapsule, wherein the microcapsule has enhanced environmental stability, and the shell wall optionally consists of poly(urea formaldehyde) (PUF), poly(urethane) (PU), or a combination thereof;
- and
- b) an optional encapsulated functional liquid;
- wherein the functional liquid optionally consists of a healing material, pharmaceutical drug, food additive, or a combination thereof.
1 more element
Dependencies are inferred from the claim text.