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US 12,180,350 B2Granted
Strain-accommodating materials comprising photonic crystals
AssigneeEmory University
InventorsKhalid Salaita, Yixiao Dong
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Abstract
This disclosure relates to non-naturally occurring light reflecting or color changing materials comprising a segmented array of flexible polymers, wherein the segmented array of flexible polymers comprise photonic crystal lattices embedded therein, wherein the segmented array of flexible polymers are themselves embedded within an elastic supporting polymer that maintains a near constant size during chromatic shifting of the photonic crystal lattices.
Claims9
A non-naturally occurring material comprising,
- a segmented array of flexible polymers,
- wherein the segmented array of flexible polymers comprise photonic crystal lattices embedded therein providing a layer of photonic crystals, the flexible polymers comprise a copolymer of poly (N-isopropylacrylamide) and polyethylene glycol diacrylate;
- and
- wherein the segmented array of flexible polymers are embedded within an elastic supporting polymer that maintains a near constant size during chromatic shifting of the photonic crystal lattices, the elastic supporting polymer comprises tetra-polyethylene glycol hydrogel and nanoclay.
1 more element
Dependencies are inferred from the claim text.