▎ 摘　　要

NOVELTY - A silane-graphene corrosion resistance sol comprises 3-4 pts. wt. dodecenyl succinic acid, 160-200 pts. wt. organic solvent, 1-2 pts. wt. aminotrimethylenephosphonic acid, 1-2 pts. wt. ammonium molybdate, 0.8-1 pt. wt. monopotassium phosphate, 40-50 pts. wt. dodecafluoroheptyl propyl trimethoxysilane, 20-26 pts. wt. polyether glycol, 1-3 pts. wt. 2,6-di-tert-butyl p-cresol, 0.4-0.7 pt. wt. zinc naphthenate, and 20-30 pts. wt. graphene oxide, 16-24 pts. wt. aluminum isopropoxide, 1-2 pts. wt. 3-aminopropyltriethoxysilane, and 0.1-0.13 pt. wt. sp-80 (sorbitan monooleate). USE - Silane-graphene sol. ADVANTAGE - The sol has excellent dispersion, excellent corrosion resistance, and forms a uniform and stable coating film on the surface of metal substrate. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the silane-graphene sol, which involves adding 2,6-di-tert-butyl-p-cresol to polyether glycol, heating to 60-70 degrees C for 30-40 minutes while stirring, adding zinc naphthenate, stirring at room temperature to obtain stable alcohol dispersion, adding aluminum isopropoxide to deionized water having weight of 100-110 times of its weight, stirring, adding obtained stable alcohol dispersion, stirring, adding 17-20% ammonia in drops, adjusting pH to 10-12, stirring at room temperature for 2-3 hours, adding dodecenylsuccinic acid, aminotrimethylenephosphonic acid, heating to 80-85 degrees C, heat-preserving for 1-2 hours, dehydrating by distillation, cooling, drying in an oven at 100-110 degrees C for 30-40 minutes to obtain corrosion-resistant sol, adding the obtained sol to thionyl chloride having weight of 15-20 times its weight, continuing stirring at 50-55 degrees C for 15-20 hours, distilling thionyl chloride and drying at room temperature to obtain acyl chloride corrosion-resistant sol, mixing ammonium molybdate, monopotassium phosphate and sp-80 (sorbitan monooleate), adding 75-80% ethanol solution having 300-400 times of its weight, ultrasonically mixing for 2-3 minutes, adding graphene oxide, continuing ultrasonically mixing for 10-20 minutes to obtain graphene oxide corrosion-resistant dispersion, adding 3-aminopropyltriethoxysilane to the obtained graphene oxide dispersion, stirring at 1000-1400 rpm for 3-4 hours, distilling and removing ethanol and water successively, vacuumizing at 50-60 degrees C, drying for 1-2 hours to obtain aminated corrosion-resistant graphene oxide, adding dodecafluoroheptyl propyl trimethoxysilane to the organic solvent and stirring to obtain a silane dispersion, mixing acyl chloride corrosion-resistant sol and aminated corrosion-resistant graphene oxide, adding to the obtained silane dispersion, heating to 50-70 degrees C, stirring at 1800-2000 rpm for 1-2 hours, and cooling to room temperature.