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US 12,595,595 B2Granted
Photochromic liquid crystal electrospun coaxial polymer fibers
AssigneeThe Government of the United States of America, as represented by the Secretary of the Navy
InventorsJeffrey G. Lundin, Matthew D. Thum, Riccardo Casalini, Daniel Ratchford
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Abstract
A fiber having a polymer sheath and a core. The core has a liquid crystal and a compound capable of photoisomerization, such as that shown below. A method of: providing a first solution of a polymer, providing a second solution of a liquid crystal and compound capable of photoisomerization, and electrospinning the first solution and the second solution to form the fiber.
Claims18
A fiber comprising:
- a sheath comprising a polymer;
- and
- a core comprising:
- a liquid crystal;
- and
- a compound capable of photoisomerization;
- wherein the core is in liquid form.
4 more elements
A method comprising:
- providing a first solution comprising a polymer;
- providing a second solution comprising a liquid crystal and compound capable of photoisomerization;
- and
- electrospinning the first solution and the second solution to form a fiber comprising:
- a sheath comprising the polymer;
- and
- a core comprising:
- the liquid crystal;
- and
- the compound;
- wherein the core is in liquid form.
8 more elements
A compound having the formula:
Dependencies are inferred from the claim text.