▎ 摘　　要

NOVELTY - A fibrous oxyfluoride graphene composite polyimide powder coating comprises sodium myristate, triethanolamine, polyacrylamide, fluorinated graphite, potassium persulfate, sodium nitrate, potassium permanganate, sebacic acid, phosphorus pentoxide, dicyclohexylcarbodiimide, 4-dimethylaminopyridine, hydroxyethylcellulose, cellulose phosphate, calcium naphthenate, saturated octadecamide, 1,2-dimethylimidazole, dibutyl phthalate, titania, dimethyformamide, anhydrous ethanol, and sulfuric acid. USE - Fibrous oxyfluoride graphene composite polyimide powder coating (claimed). ADVANTAGE - The addition of hydroxyethylcellulose to the graphene composite polyimide powder improves dispersibility between filler and polymers, and toughness of the product. DETAILED DESCRIPTION - The fibrous oxyfluoride graphene composite polyimide powder coating comprises 2-4 pts. wt. sodium myristate, 0.3-1 pt. wt. triethanolamine, 100-110 pts. wt. polyacrylamide, 10-14 pts. wt. fluorinated graphite, 0.1-0.3 pt. wt. potassium persulfate, 1-2 pts. wt. sodium nitrate, 0.1-0.4 pt. wt. potassium permanganate, 4-6 pts. wt. sebacic acid, 0.5-1 pt. wt. phosphorus pentoxide, 0.1-0.2 pt. wt. dicyclohexylcarbodiimide, 0.1-0.2 pt. wt. 4-dimethylaminopyridine, 0.7-2 pts. wt. hydroxyethylcellulose, 3-4 pts. wt. cellulose phosphate, 0.5-1 pt. wt. calcium naphthenate, 0.8-1 pt. wt. saturated octadecamide, 0.6-1 pt. wt. 1,2-dimethylimidazole, 6-8 pts. wt. dibutyl phthalate, 3-4 pts. wt. titania, dimethyformamide, anhydrous ethanol, and sulfuric acid. An INDEPENDENT CLAIM is included for preparation of fibrous oxyfluoride graphene composite polyimide powder coating which involves adding hydroxyethyl cellulose to deionized water at a weight of 10-15 times, raising the temperature by 60-67 degrees C, leaving still for 4-7 minutes, adding triethanolamine to obtain fiber dispersion, adding cellulose phosphate to acetone at a weight of 7-9 times, stirring uniformly, raising the temperature to 70-75 degrees C, adding calcium naphthenate, leaving still for 3-5 minutes, adding fluorinated graphite, and obtained fiber dispersion, ultrasonically processing for 10-15 minutes, filtering, washing the precipitate with deionized water for 2-3 times, heating to 50-60 degrees C, drying for 3-4 hours, cooling to obtain fiber composite fluorinated graphite, mixing the obtained fiber composite fluorinated graphite, potassium persulfate, phosphorus pentoxide, adding to a mixture of 5-7 times by weight of a mixture of 96-98% sulfuric acid solution, feeding to an oil bath at 80-90 degrees C, stirring for 8-9 hours, filtering, washing the residue with water for 3-4 times, heating at 60-65 degrees C for 10-12 hours, mixing with sodium nitrate, adding to the weight 17-20 times 90-95% sulfuric acid solution, feeding into the ice bath, adding potassium permanganate, stirring for 4-5 hours, heating to 35-40 degrees C, heat-preserving for 1-2 hours, adding 10-15 times the weight of the mixed system of distilled water, raising the temperature to 90-95 degrees C, heat-preserving for 10-20 minutes, leaving still for 10-15 hours, centrifuging, washing the precipitate with water for 2-3 times, freeze-drying for 40-50 hours to obtain deoxidized graphite dispersion, adding 1,2-dimethylimidazole to 10-13 times of the absolute ethanol, stirring, raising the temperature to 50-60 degrees C, adding sodium myristate, leaving still for 4-10 minutes, adding titania, ultrasonically processing for 3-5 minutes, filtering, washing the residue with water for 2-3 times, drying at room temperature to obtain modified titanium pigment, mixing 4-dimethylaminopyridine and dicyclohexylcarbodiimide, adding to dimethylformamide of 23-40 times by weight of the mixture, stirring to obtain catalytic dispersion, adding deoxidized graphite dispersion in an ice water bath, dripping the catalyst dispersion, stirring for 2-3 hours, raising the temperature to 60-64 degrees C, adding saturated octadecamide, stirring, centrifuging, washing the residue with absolute ethanol, dimethylformamide, and deionized water to obtain grafted graphene, mixing grafted graphene with remaining raw materials, stirring uniformly, feeding into an extruder, melt-extruding, cooling, grinding into fine powder and sieving.