Crystalline porous polymer/epoxy resin composite material suitable for pyrethroid pesticide removal
A technology of porous polymer and epoxy resin, which is applied in epoxy resin coating, water/sewage treatment, adsorption water/sewage treatment, etc. It can solve the problems that the research of removal has not been reported yet, and achieve high aromaticity and highly effective Sequenced pore structure, the effect of large specific surface area
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Embodiment 1
[0019] (1) Add 0.45mmol tris(4-aminophenyl)amine and 0.68mmol benzo[1,2-b:3,4-b':5,6-b'] trithiophene-2,5,8- Trialdehyde was mixed evenly, transferred to a pressure-resistant glass tube, and then injected with 0.5 mL of dioxane, 0.5 mL of mesitylene and 750 μL of acetic acid (6M) in sequence. Freeze the mixture in liquid nitrogen for 10 min, evacuate for 10 min, and backfill with nitrogen, repeating 3 times. Finally, the glass tube was sealed under vacuum and reacted at 120°C for 3 days. After the reaction, the solid product was washed with DMF and THF six times in sequence. After drying at 100°C for 12 hours, a brown-black solid powder was finally obtained.
[0020] (2) Disperse 30 mg of the above-mentioned black powder in 10 mL of bisphenol A epoxy resin in toluene solution, vortex for 10 minutes, until uniformly mixed. Then brush on the inner wall of a 20mL glass beaker and dry at 100°C for 4 hours.
[0021] The method of using it for the removal of pyrethroids in water...
Embodiment 2
[0024] (1) Add 0.45mmol tris(4-aminophenyl)amine and 0.68mmol benzo[1,2-b:3,4-b':5,6-b'] trithiophene-2,5,8- Mix the trialdehyde evenly, transfer it to a pressure-resistant glass tube, and then inject 3 mL of dioxane, 3 mL of mesitylene and 210 μL of acetic acid (6M) in sequence. The mixture was frozen in liquid nitrogen for 20 minutes, evacuated for 30 minutes, and backfilled with nitrogen, and repeated 3 times. Finally, the glass tube was sealed under vacuum and reacted at 140°C for 3 days. After the reaction, the solid product was washed with DMF and THF six times in sequence. After drying at 120°C for 8 hours, a brown-black solid powder was finally obtained.
[0025] (2) Disperse 20 mg of the above black powder in 10 mL of bisphenol A epoxy resin in xylene solution, vortex for 5 minutes, and mix evenly. It was then hang-coated onto a circular disc of porous alumina with a diameter of 5 cm and a thickness of 0.5 cm. Dry at 100°C for 8 hours. A filter membrane that can ...
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