Preparation method and application method of sponge based on polypyrrole coated melamine resin
A technology of melamine resin and polypyrrole, which is applied in the field of solar thermal water evaporation materials, can solve the problems of increased production cost, pollution, unfavorable graphene aerogel application and the like, and achieves the effects of low cost, simple process and simple process
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[0025] A method for preparing a multifunctional sponge based on polypyrrole-coated melamine resin according to an embodiment of the present invention includes the following steps:
[0026] Step 10) adding pyrrole and deionized water into the container, and stirring at room temperature for 5-10 minutes to obtain an aqueous solution of pyrrole; the molar concentration of the aqueous solution of pyrrole is 0.1-0.2mol / L;
[0027] Step 20) Add ammonium persulfate and water into the container, and stir at room temperature for 5-10 minutes to obtain an ammonium persulfate aqueous solution; the molar concentration of the ammonium persulfate aqueous solution is 0.1-0.2mol / L;
[0028] Step 30) mixing 1.1-1.3 mol / L hydrochloric acid solution, the pyrrole aqueous solution prepared in step 10), and the ammonium persulfate aqueous solution prepared in step 20), and adding water to form a mixed solution;
[0029] Step 40) Immerse the melamine resin sponge in the mixed liquid prepared in step...
Embodiment 1
[0043] A preparation method based on polypyrrole-coated melamine resin multifunctional sponge, comprising the steps:
[0044] Step 10) adding pyrrole and deionized water into the container, vigorously at room temperature for 5 minutes, to obtain a 0.1mol / L pyrrole aqueous solution;
[0045] Step 20) Add ammonium persulfate and water into the container, and stir at room temperature for 5 minutes to obtain a 0.1mol / L ammonium persulfate aqueous solution;
[0046] Step 30) Mix 50ml of 1.2mol / L hydrochloric acid solution, 50ml of pyrrole aqueous solution prepared in step 10), and 50ml of ammonium persulfate aqueous solution prepared in step 20), and add water to form a mixed solution with a volume of 1000ml;
[0047] Step 40) Immerse the melamine resin sponge in the mixed solution prepared in step 30), so that pyrrole is polymerized in situ on the surface of the sponge, take it out, wash it with water for 3 times, and dry it in an oven at 70°C for 12 hours to obtain a polypyrrole-...
Embodiment 2
[0050] A preparation method based on polypyrrole-coated melamine resin multifunctional sponge, comprising the steps:
[0051] Step 10) adding pyrrole and deionized water into the container, stirring at room temperature for 10 min to obtain a 0.15mol / L pyrrole aqueous solution;
[0052] Step 20) Add ammonium persulfate and water into the container, and stir at room temperature for 10 min to obtain a 0.15mol / L ammonium persulfate aqueous solution;
[0053] Step 30) Mix 50ml of 1.1mol / L hydrochloric acid solution, 50ml of pyrrole aqueous solution prepared in step 10), and 50ml of ammonium persulfate aqueous solution prepared in step 20), and add water to form a mixed solution with a volume of 1000ml;
[0054] Step 40) Immerse the melamine resin sponge in the mixed solution prepared in step 30), so that the pyrrole is in-situ polymerized on the surface of the sponge, take it out, wash it twice with water and dry it in an oven at 80°C for 10 hours to obtain a polypyrrole-coated den...
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