Flexible porous boron affinity copolymer adsorbent as well as preparation method and application thereof
A technology of copolymers and adsorbents, which is applied in the field of preparation of flexible porous boron affinity copolymer adsorbents, can solve problems such as volume and shape instability, limited applications, flexible porous polymer network structure is easy to disintegrate or collapse, and achieve The effects of excellent chemical properties, simplified adsorption and desorption operations, and excellent mass transfer kinetics
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[0037] Example 1:
[0038] Preparation (1) CDPs of
[0039] Adding 310mg terephthaloyl diisocyanate and 1gβ-CD to 10mL of dry N, N- dimethylformamide, and then the reaction was continued with stirring under nitrogen at 120 ℃ 20h. The resulting precipitate product was filtered and washed 3 times with DMF. The final product was further purified by Soxhlet extraction using CDPs-20, then transferred to a vacuum oven dried overnight under vacuum at 80 ℃, obtained CDPs-20;
[0040] (2) Synthesis of polymer-adamantyl bromide (Abib) of
[0041]First, 2.2 g of 6-bromoic acid dissolved in anhydrous methylene chloride under room temperature, followed by 25 ml of thionyl chloride to the above solution in 30 minutes. The above solution was stirred under nitrogen gas for 20 hours, eventually removing excess thionyl chloride under rotary evaporation conditions, and finally obtained an intermediate product ABIB.
[0042] (3) Synthesis of boric acid grafted bromide diamond polymer (abib-ba)
[004...
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[0050] Example 2:
[0051] (1) Preparation of CDPS
[0052] 320 mg of benzoisocyanate and 1.1 g of beta-Cd were added to a solution of 20 ml of anhydrous anhydrous N, N-dimethylformamide, and then the reaction system was continuously stirred at 120 ° C under nitrogen protection for 20 h. The precipitated product obtained was filtered and washed 3 times with DMF. The final product was extracted by Supo to extract CDPS-20, subsequently transferred to a vacuum oven overnight overnight at 80 ° C, resulting in CDPS-20;
[0053] (2) Synthesis of brominated diamond polymer (ABIB)
[0054] First, 2.22 g 6-bromoic acid dissolved into 10 ml of anhydrous methylene chloride under room temperature, followed by dripping to the above solution in 30 ml of thionyl chloride. The above solution was stirred under nitrogen gas for 20 hours, eventually removing excess thionyl chloride under rotary evaporation conditions, and finally obtained an intermediate product ABIB.
[0055] (3) Synthesis of boric...
Example Embodiment
[0059] Example 3:
[0060] (1) Preparation of CDPS
[0061] 330 mg of benzoisocyanate and 1.2 g of beta-Cd were added to a solution of 30 ml of anhydrous anhydrous N, N-dimethylformamide, and then the reaction system was continuously stirred at 120 ° C under nitrogen gas treatment for 20 h. The precipitated product obtained was filtered and washed 3 times with DMF. The final product was extracted by Supo to extract CDPS-20, subsequently transferred to a vacuum oven overnight overnight at 80 ° C, resulting in CDPS-20;
[0062] (2) Synthesis of brominated diamond polymer (ABIB)
[0063] First, 2.24 g of 6-bromoic acid dissolved in 11 ml of anhydrous methylene chloride, followed by a drop of 35 ml of thionyl chloride to the above solution in 30 minutes. The above solution was stirred under nitrogen gas for 20 hours, eventually removing excess thionyl chloride under rotary evaporation conditions, and finally obtained an intermediate product ABIB.
[0064] (3) Synthesis of boric acid g...
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