▎ 摘　　要

NOVELTY - A titanium-based polymer alloy copolymer comprises 400-500 pts. wt. soluble imide resin, 100-300 pts. wt. hydroxyl organic titanium polymer, 50-200 pts. wt. N-methylpyrrolidone and 100-300 pts. wt. dimethylacetamide. The soluble imide resin is polyimide resin, polyamide-imide resin, and/or bismaleimide resin. USE - The titanium-based polymer alloy copolymer is used for preparing titanium-based polymer alloy heat exchanger coating (claimed). DETAILED DESCRIPTION - A titanium-based polymer alloy copolymer comprises 400-500 pts. wt. soluble imide resin, 100-300 pts. wt. hydroxyl organic titanium polymer, 50-200 pts. wt. N-methylpyrrolidone and 100-300 pts. wt. dimethylacetamide. The soluble imide resin is polyimide resin, polyamide-imide resin, and/or bismaleimide resin. The hydroxyl organic titanium polymer is of formula (I). INDEPENDENT CLAIMS are included for: (1) preparation of the alloy copolymer comprising taking imide resin, N-methyl pyrrolidone, and dimethyl acetamide, mixing, stirring, heating until the imide resin is completely dissolved, adding hydroxyl organic titanium polymer, raising temperature to 100-140 degrees C, and reacting for 2-4 hours at constant temperature; (2) titanium-based polymer alloy heat exchanger aqueous coating comprising 10-15 pts. wt. titanium-based polymer alloy copolymer, 5-10 pts. wt. aqueous phenyl silicone resin, 5-10 pts. wt. water-soluble phenolic resin, 10-15 pts. wt. aqueous epoxy emulsion, 2-5 pts. wt. tetrahydrofuran, 5-10 pts. wt. aqueous graphene dispersion slurry with solid content of 5-10%, 20-25 pts. wt. antirust pigment, 10-20 pts. wt. co-curing agent, and 2.5-5 pts. wt. coating auxiliary agent; and (3) titanium-based polymer alloy heat exchanger oil coating comprising 15-20 pts. wt. titanium-based polymer alloy copolymer, 5-10 pts. wt. epoxy resin, 5-8 wt.% to 8 parts of phenoxy resin, 3-5 pts. wt. elastomer polyester resin, 5-8 pts. wt. liquid fluorine-silicone rubber, 10-20 pts. wt. co-curing agent, 5-10 pts. wt. oily graphene dispersion slurry with solid content of 5-10%, 2-5 pts. wt. propylene glycol methyl ether acetate, 2-5 pts. wt. diacetone alcohol, 2-5 pts. wt. methyl isobutyl ketone, 20-25 pts. wt. antirust pigment, 5-15 pts. wt. pigment filler, and 2-5 pts. wt. coating auxiliary agent.