A kind of naphthoxazine-based polymer and naphthoxazine-based porous carbon fiber and preparation method thereof
A technology of naphthoxazine-based and naphthoxazine-based acrylates is applied in the fields of naphthoxazine-based polymers and naphthoxazine-based porous carbon fibers and their preparation fields, and can solve the problem that thermoplastic phenolic resins are not easily cured, and thermosetting phenolic resins are difficult to cure. The problems of poor spinnability of resin and uneven pore size can achieve the effect of improving electrochemical performance, improving high curing temperature and uniform pore size distribution.
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Embodiment 11
[0051] Under the condition of passing through the inert gas argon, 22.9g of naphthoxazine containing alcoholic hydroxyl group, 229ml of toluene and 10.1g of triethylamine were successively added to a 500ml four-necked flask with a condensing device and a stirring device, and the solution was completely dissolved. (stirring speed is 300r / min, stirring time is 20min) to obtain a mixed solution; after diluting 9.05g of acryloyl chloride with 9ml of toluene, slowly add it dropwise (dropping speed: 1 drop / second) to the mixing solution at 0°C In the solution, stir while adding dropwise and react for 6 hours (stirring speed is 300r / min), obtain the reaction product; The reaction product is extracted and washed with 5wt%NaOH solution until the water layer is colorless and transparent, then washed with distilled water to neutral , dried with anhydrous sodium sulfate, filtered to obtain an organic layer, and then the solvent was removed by rotary distillation to obtain a yellow liquid (...
Embodiment 12
[0054] Add the above 22.9g alcoholic hydroxyl-containing naphthoxazine, 115ml toluene and 10.1g triethylamine into a 500ml four-necked flask with a condensing device stirring device, stir and dissolve (the stirring speed is 400r / min, and the stirring time is 30min ), to obtain a mixed solution; after diluting 10.45g methacryloyl chloride with 5.23ml toluene, under ice bath (0°C), slowly add it dropwise (the drop rate is 1 drop / 3 seconds) into the mixed solution, while dropping Stirring and reacting for 24 hours to obtain the reaction product (stirring speed is 400r / min); the reaction product was extracted and washed with 5wt% NaOH solution until the water layer was colorless and transparent, washed with distilled water until neutral, and dried with anhydrous sodium sulfate , filtered to obtain an organic layer, and then the solvent was removed by rotary distillation to obtain a yellow liquid (ie, naphthoxazinyl acrylate).
[0055] At room temperature and under the condition of...
Embodiment 13
[0057] Under the condition of feeding inert gas nitrogen, 22.9g of alcoholic hydroxyl-containing naphthoxazine, 70ml of chloroform and 20g of triethylamine are added successively in a 500ml four-necked flask with a condensing device and a stirring device, and the dissolution is complete (stirring) The speed is 600r / min, the stirring time is 10min) to obtain a mixed solution; after diluting 10.45g of methacryloyl chloride with 5.23ml of toluene, slowly add it dropwise to the mixed solution at 5°C, the dropping speed is every 5 Drop 1 drop per second (that is, 1 drop / 5 seconds), and stir the reaction for 24 hours while adding dropwise (stirring speed is 600r / min). After the reaction is complete, directly extract and wash with 5wt% sodium bicarbonate solution until the water layer is colorless and transparent, then wash with distilled water until neutral, dry with anhydrous sodium sulfate, filter, and obtain the organic layer by rotary distillation to remove the solvent toluene. ...
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