▎ 摘　　要

NOVELTY - A fluorine polyhedral oligomeric silsesquioxane-modified propyl heptyl graphene oxide is prepared by dropping silane coupling agent A in dodecafluoroheptyl propyl polyhedral oligomeric silsesquioxane, adding weak base catalyst A, stirring, reacting, adding graphene oxide, ultrasonically dispersing, reacting with dodecafluoroheptyl-terminated propyl polyhedral oligomeric silsesquioxane, adding weak base catalyst B, stirring, reacting, adding silane coupling agent B, stirring, and reacting. USE - Method for preparing fluorine polyhedral oligomeric silsesquioxane-modified propyl heptyl graphene oxide (claimed). ADVANTAGE - The method is simple. The product has high purity and low cost. DETAILED DESCRIPTION - A fluorine polyhedral oligomeric silsesquioxane-modified propyl heptyl graphene oxide is prepared by dropping silane coupling agent A in dodecafluoroheptyl propyl polyhedral oligomeric silsesquioxane at molar ratio of 1.01-3:1, adding weak base catalyst A, stirring, reacting at 20-80 degrees C for 1-8 hours, adding 0.1-5.0 wt.% graphene oxide, ultrasonically dispersing, reacting with dodecafluoroheptyl-terminated propyl polyhedral oligomeric silsesquioxane, adding weak base catalyst B, stirring, reacting at 20-80 degrees C for 1-9 hours, adding silane coupling agent B, stirring, and reacting at 20-80 degrees C for 6-42 hours.