Hydrochromic polydiacetylene polymer patch and method of manufacturing the same
AssigneeIndustry-University Cooperation Foundation Hanyang University
InventorsJong-Man Kim, Min-Jeong Seo, Dong-Hoon Park
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Abstract
A hydrochromic polydiacetylene polymer patch and a method of manufacturing the same are provided. The hydrochromic polymer patch comprises a polymer matrix; and polydiacetylene present in the polymer matrix. The polydiacetylene has an ionic functional group in the repeating unit thereof. The ionic functional group is R−M+ or R+X−. R− is a carboxylate anion, M+ is an alkali metal cation, and R+ is a quaternary ammonium group, and X− is F−, Cl−, Br−, I−, PF6−, BF4−, bis(trifluoromethane)sulfonimide (Tf2N−), trifluoromethanesulfonate (TfO−), SCN−, or CH3COO−.
Claims15
A hydrochromic polymer patch, comprising:
- a polymer matrix including matrix polymer;
- and
- polydiacetylene having a repeat unit of Formula 5 below present in the polymer matrix:
- wherein a is an integer of 1 to 20, b is an integer of 1 to 20, L1 is
- E, E1 and E2 are each independently O or S, c is an integer of 0 to 2,
- L2 is a C1 to C10 alkylene or C5 to C12 arylene,
- d is an integer of 0 to 1,
- IG is R+X− as an ionic functional group, X− is F−, Cl−, Br−, I−, PF6−, BF4−, bis(trifluoromethane)sulfonimnide (Tf2N−), trifluoromethanesulfonate (TfO−), SCN−, or CH3COO−, and R+ is heterocyclic quaternary ammonium of Formula 2a below:
- wherein * represents a bond,
- ring B is a 5-membered or 6-membered heterocyclic compound which is saturated or unsaturated having 1 to 3 atoms of N and 0 to 1 atom of O as heteromembers, and
- R1 is a C1 to C16 cyanoalkyl.
A method of manufacturing a hydrochromic polymer patch, the method comprising:
- a step of mixing a diacetylene monomer solution comprising diacetylene monomers of Formula 1 below contained in a first solvent with a polymer solution comprising a polymer contained in a second solvent;
- a step of molding the mixture into a film;
- a step of forming a polymer patch that comprises a matrix of the polymer and diacetylene monomers self-assembled and arranged inside the matrix, by drying the film;
- and
- a step of photopolymerizing the diacetylene monomers by irradiating the polymer patch with ultraviolet rays or gamma rays to form polydiacetylene:
- [Formula 1]
- wherein a is an integer of 1 to 20, b is an integer of 1 to 20, L1 is
- E, E1, and E2 are each independently O or S, e is an integer of 0 to 2,
- L2 is a C1 to C10 alkylene or C5 to C12 arylene,
- d is an integer of 0 to 1,
- IG is R+X− as an ionic functional group, X− is F−, Cl−, Br−, I−, PF6−, BF4−, bis(trifluoromethane)sulfonimide (Tf2N−), trifluoromethanesulfonate (TfO−), SCN−, or CH3COO−, and R+ is heterocyclic quaternary ammonium of Formula 2a below:
- wherein * represents a bond,
- ring B is a 5-membered or 6-membered heterocyclic compound which is saturated or unsaturated having 1 to 3 atoms of N and 0 to 1 atom of O as heteromembers, and
- R1 is a C1 to C6 cyanoalkyl.
Dependencies are inferred from the claim text.