▎ 摘　　要

NOVELTY - An intelligent material comprises a fabric layer and a flexible intelligent layer set on the fabric layer. The flexible intelligent layer comprises 20-40 pts. wt. polyvinyl alcohol, 5-10 pts. wt. emulsifying paraffin, 3-8 pts. wt. sodium borate, 2-4 pts. wt. oxalic acid and 2-5 pts. wt. graphene oxide. USE - Intelligent material. ADVANTAGE - The intelligent material has high strength, good softness, improved heat storage stability, improved phase change heat storage performance and improved capacitance sensing sensitivity, and is capable of promoting migration of ion and promoting diffusion of flexible intelligent coating liquid in the fabric. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the intelligent material, which involves: (A) weighing polyvinyl alcohol, emulsifying paraffin, sodium borate, oxalic acid, graphene oxide, 1-4 pts. wt. polyethylene glycol-1500, 3-5 pts. wt. ethylene-isoprene-vinyl acetate copolymer, 1-3 pts. wt. silicon-antimony-tellurium composite of formula: Si2SbmTen (I), where m is more than 1 and less than 3, and n is more than 2 and less than 6, 3-5 pts. wt. thyllium-strontium-manganese composite oxide of formula: Tm4-x-ySrxMnyO6 (II), where x is 0.8-1.6, and y is 0.3-0.5, 0.2-0.4 pt. wt. styryl phenyl ketone, 1-3 pts. wt. tetrabutylammonium iodide, and 0.1-0.4 pt. wt. vinyl tris( beta -methoxyethoxy)silane; (B) performing modification of graphene oxide by dissolving graphene oxide in alcohol-water mixed solution; (C) ultrasonically dispersing for 1-3 hours; (D) adding vinyl tri(methoxyethoxy)silane; (E) stirring and reacting for 2-4 hours under the condition of 70-90 degrees C; (F) filtering; (G) washing for 3-5 times; (H) drying for 24-48 hours at 50-60 times; (I) obtaining the modified graphene oxide; (J) preparing flexible intelligent coating liquid by adding polyvinyl alcohol in stirring container, controlling temperature to 70-75 degrees C; (K) gradually adding emulsified paraffin; (L) stirring uniformly to obtain uniform first mixed solution; (M) raising temperature of first mixed solution to 80-85 degrees C; (N) adding oxalic acid, styryl phenyl ketone and tetrabutyl ammonium iodide; (O) stirring and reacting for 0.5-1 hour to obtain second mixed solution; (P) adding sodium borate, polyethylene glycol-1500 and ethylene-isoprene-vinyl acetate copolymer to second mixed solution; (Q) stirring and reacting for 0.5-2 hours to obtain third mixed solution; (R) adding modified graphene oxide, composite (I) and composite (II) to third mixed solution; (S) stirring uniformly; (T) obtaining durable intelligent coating liquid; and (U) preparing smart material by uniformly coating the flexible intelligent coating liquid on surface of fabric.