Flexible transparent ionic gel electrode and preparation method thereof
A kind of ion gel, transparent technology, applied in the field of flexible transparent ion gel electrode and its preparation, can solve the problems such as the adverse effect of the conductivity of the hydrogel material, the adverse effect of the hydrogel material, the binding and binding of the hydrogel, etc.
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[0033] The invention provides a method for preparing a flexible transparent ion gel electrode, comprising: S1) polymerizing an acrylamide monomer and / or a first acrylic monomer in the presence of a crosslinking agent to obtain a network structure polymer; S2) fully immerse the above-mentioned network structure polymer in the solution containing the second acrylic acid monomer to fully swell, and then heat to carry out polymerization reaction to obtain a double network structure polymer; S3) above-mentioned double network structure polymer Fully swollen in the ionic solution, a flexible transparent ion gel electrode is obtained.
[0034] Among them, the present invention has no special limitation on the sources of all raw materials, which can be commercially available. In the present invention, unless otherwise specified, the acrylic monomers refer to acrylic monomers and derivative monomers thereof, including ester-formed monomers.
[0035]Polymerize the first acrylamide mono...
Embodiment 1
[0046] 1.1 Configuration of polymer network pre-polymerization liquid and ionic solution:
[0047] Based on the copolymer of acrylic acid (AA) and [2-(methacryloyloxy)ethyl]dimethyl-(3-sulfonic acid propyl)ammonium hydroxide (TB), the crosslinking agent used For methylene bisacrylamide (BIS), the molecular formulas of the two monomers and the crosslinking agent are as follows figure 1 shown.
[0048] (1) The molar ratio of the two monomers in the configured first polymer prepolymerization liquid is AA / TB=0:1. Take the 300mL aqueous solution system as an example for the pre-polymerization liquid, weigh 176.7g of TB, 0.3g of BIS crosslinking agent and 0.9g of ammonium persulfate initiator, dissolve them in 300ml of water, stir at room temperature to fully dissolve, pass nitrogen to remove oxygen, and place in 4 Store in ℃ environment.
[0049] (2) The molar ratio of the two monomers in the prepared second polymer prepolymerization solution is AA / TB=4:1. Take the 275mL aqueou...
Embodiment 2
[0061] 2.1 The first polymer network pre-polymerization liquid solution (the pre-polymerization liquid prepared by taking 300mL aqueous solution system as an example, weighed 80.4 grams of N,N-diethylacrylamide (DEA), 0.3 grams of BIS crosslinking agent and 0.9 grams Ammonium persulfate initiator, dissolved in 300 ml of water, stirred at room temperature to fully dissolve, nitrogen gas to remove oxygen) and poured into the mold after uniform stirring, in the accelerator N,N,N',N'-tetramethylethylenediamine (225μL ) in the presence of free radical polymerization at 4 ° C to synthesize a transparent gel, and finally remove impurities to obtain the first network structure polymer.
[0062] 2.2 Use the second polymer network pre-polymerization solution for the prepared first polymer network (the molar ratio of the two monomers in the configured pre-polymerization solution is AA / TB=8:2. The pre-polymerization solution is 275mL aqueous solution system as an example, Take by weighing...
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