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US 12,655,582 B2Granted
Hygromorphic composite material
AssigneeNanyang Technological University
InventorsNam-Joon Cho, Ze Zhao, Subra Suresh
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Abstract
Disclosed herein is a hygromorphic composite material comprising a moisture-active pollen paper substrate formed from a plurality of pollen microgel particles, and at least one moisture-inactive layer applied onto the top and/or bottom surface of the moisture-active pollen paper substrate with a pattern that causes the hygromorphic composite material to change its shape in a pre-determined manner due to a change in relative humidity of its ambient environment. Also disclosed herein is a method of forming the hygromorphic composite material.
Claims15
A hygromorphic composite material, comprising:
- a moisture-active pollen paper substrate having a top and a bottom surface, where the pollen paper substrate is formed from a plurality of pollen microgel particles;
- and
- at least one moisture-inactive layer applied onto the top and/or bottom surface of the moisture-active pollen paper substrate, where the at least one moisture-inactive layer is formed from a toner and/or an ink, wherein
- the at least one moisture-inactive layer is formed with a pattern that causes the hygromorphic composite material to change its shape in a pre-determined manner due to a change in relative humidity of its ambient environment.
1 more element
Dependencies are inferred from the claim text.