Ionic spherical polyelectrolyte brush with micro-nano carbon sphere as inner core and preparation method thereof
A technology of polyelectrolyte brush and ionic polymer, which is applied in the field of ionic spherical polyelectrolyte brush and its preparation, can solve the problems that have not existed yet, and achieve the effects of low cost, simple preparation process and controllable test plan
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Embodiment 1
[0030] 1) Dissolve 2.8g of 4,4'-azobis(4-cyanovaleric acid) (ACVA) in 30mL of anhydrous dichloromethane, in ice-water bath, N 2 Stir under protection until dissolved. Dissolve 8.4g of phosphorus pentachloride in 30mL of anhydrous dichloromethane and place it in a constant pressure funnel, drop it into the above-mentioned ACVA in dichloromethane solution, continue in ice-water bath, N 2 Reaction under protection for 24h hours. The obtained golden yellow solution was treated by suction filtration, rotary evaporation, n-hexane extraction, etc. to obtain white powder 4,4'-azobis(4-cyanovaleryl chloride) (ACVC), which was dissolved in 20mL toluene , prepared into a toluene solution of ACVC with a concentration of 0.1mol / L;
[0031] 2) Mix 0.2g micro-nano carbon spheres with a particle size of 100nm and 3mL triethylamine evenly, and 2 Under the condition of protection and 18°C, the toluene solution of ACVC prepared in step 1) was added dropwise, and stirred for 12 hours. After t...
Embodiment 2
[0034] 1) Dissolve 2.8g of 4,4'-azobis(4-cyanovaleric acid) (ACVA) in 40mL of anhydrous dichloromethane, in ice-water bath, N 2 Stir under protection until dissolved. Dissolve 12.5g of phosphorus pentachloride in 40mL of anhydrous dichloromethane and place it in a constant pressure funnel, drop it into the above-mentioned ACVA in dichloromethane solution, continue to cool in an ice-water bath, N 2 Stir under protection for 48 hours. The obtained golden yellow solution was treated by suction filtration, rotary evaporation, n-hexane extraction, etc., to obtain 4,4'-azobis(4-cyanovaleryl chloride) (ACVC) in the form of white powder, which was dissolved in 20mL di In toluene, be prepared into the xylene solution of the ACVC that concentration is 0.7mol / L;
[0035] 2) Mix 0.4g micro-nano carbon spheres with a particle size of 400nm and 3mL triethylamine evenly, and 2 Under the condition of protection and 20°C, the xylene solution of ACVC prepared in step 1) was added dropwise, a...
Embodiment 3
[0038] 1) Dissolve 2.8g of 4,4'-azobis(4-cyanovaleric acid) (ACVA) in 50mL of anhydrous dichloromethane, in ice-water bath, N 2 Stir under protection until dissolved. Dissolve 16.7g of phosphorus pentachloride in 50mL of anhydrous dichloromethane and place it in a constant pressure funnel, drop it into the above-mentioned ACVA in dichloromethane solution, continue in ice-water bath, N 2 React under protection for 72 hours. After the obtained golden yellow solution was treated with suction filtration, rotary evaporation, and n-hexane extraction, the white powder 4,4'-azobis(4-cyanovaleryl chloride) (ACVC) was obtained, which was dissolved in 20 mL of acetonitrile Solution, prepared into concentration is the ACVC acetonitrile solution of 0.4mol / L;
[0039] 2) Mix 0.4g micro-nano carbon spheres with a particle size of 250nm and 3mL triethylamine evenly, and 2 Under the condition of protection and 24°C, the acetonitrile solution of ACVC prepared in step 1) was added dropwise, and...
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