▎ 摘　　要

NOVELTY - Graphene-doped radiation-proof coating comprises 40-70 pts. wt. base resin, 0.1-0.5 pts. wt. graphene, 0.1-0.5 pts. wt. octa(aminophenyl) polysilsesquioxane, 1-5 pts. wt. ferric oxide nano particles, 1-5 pts. wt. aluminum oxide nano powder, 5.0-10 pts. wt. calcium carbonate, 0.5-1 pts. wt. defoamer, 0.5-1 pts. wt. dispersant, 0.5-3.0 pts. wt. film forming auxiliary agent and 10-30 pts. wt. solvent. USE - Graphene-doped radiation-proof coating. ADVANTAGE - The graphene-doped radiation-proof coating is safe and prepared in simple manner. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) method for preparing octa(aminophenyl) polysilsesquioxane, which involves dispersing 5-10grams octaphenyl polysilsesquioxane in 30-60milliliter nitric acid solution in an ice water bath and stirring for 30minutes; continuing reaction for 15-30 hours, filtered and washed 3-5 times to obtain yellow precipitate; placing 5-10 grams of yellow precipitate and 0.5-2grams of palladium-carbon catalyst in a round-bottomed flask; adding 10-20milliliter tetrahydrofuran and 10-20milliliter triethylamine under argon atmosphere; heating the reaction solution to 60 degrees C, adding 4-10milliliter formic acid and reacting for 5-10hours; filtering and washing with ethyl acetate and water 3-5 times to obtain octa(aminophenyl) polysilsesquioxane light yellow solid; (2) method for preparing ferric oxide nano particles, which involves reacting 7.7 milliliter 25% ammonia water, 2.5milliliter of oleic acid for 1hour at 60 degrees C; raising reaction temperature to 80 degrees C; adding 1milliliter of ammonia water, 2.5milliliter oleic acid and ferric oxide nano particles with 5-10nanometer size; aging at 70 degrees C for 1hour; washing ferric oxide nano particles modified by oleic acid with anhydrous ethanol three times and dried in vacuum for use; and (3) method for preparing graphene-doped radiation-proof coating which involves mixing graphene, ferric oxide nano-particles, aluminum oxide nano-particles and calcium carbonate in solvent to form component A;adding antifoaming agent, dispersant and film forming auxiliary agent into base resin to form component B; mixing component A and component B to form graphene-doped radiation-proof coating.