▎ 摘　　要

NOVELTY - Temperature-sensitive graphene/high molecular composite material, obtained by (i) preparing single- or multi-layer graphite oxide, (ii) reacting the obtained graphite oxide with thionyl chloride, Quadrol (RTM: Cross-linking agent) and 2-bromoisobutyryl bromide, filtering and drying to obtain graphite oxide, (iii) placing the obtained graphite oxide in dimethylsulfoxide solution of N-isopropylamide, catalyst, anti-activator and ligand, reacting, centrifugating, drying to obtain graphite oxide/high molecular composite material and (iv) reducing the obtained material, is claimed. USE - The composite material is used in areas of sensor and controlled drug release. ADVANTAGE - The method: is carried out easily in simple conditions; and does not cause any harm to the environment. DETAILED DESCRIPTION - Temperature-sensitive graphene/high molecular composite material, obtained by (i) preparing single-layer or multi-layer graphite oxide by chemical oxidation, (ii) reacting the graphite oxide obtained in step (i) with thionyl chloride at 60-70 degrees C for 12-24 hours, reacting the obtained product with Quadrol (RTM: Cross-linking agent) at 100-120 degrees C for 36-48 hours and reacting the obtained product with 2-bromoisobutyryl bromide at 0-20 degrees C for 36-48 hours, filtering, washing and drying to obtain graphite oxide whose surface has initiator, where the amount ratio of graphite oxide, thionyl chloride, Quadrol (RTM: Cross-linking agent) to 2-bromoisobutyryl bromide is 5 g:200-300 ml:100-150 ml:4-6 g, (iii) placing the obtained graphite oxide whose surface has initiator in the 80-100 ml of mixed dimethylsulfoxide solution of N-isopropylamide, catalyst, anti-activator and ligand, stirring and reacting for 0.5-12 hours at 40-60 degrees C with the protection of nitrogen or inert gas, centrifugating, washing, vacuum drying to obtain graphite oxide/high molecular composite material, where amount ratio of graphite oxide whose surface has initiator, catalyst, anti-activator, ligand to N-isopropylamide is 0.1 g:2-6 mg:0.5-1.5 mg:0.15-0.45 mmol:0.1-0.5 g and (iv) reducing the obtained graphite oxide/high molecular composite material by chemical reducer, is claimed. An INDEPENDENT CLAIM is also included for preparing the temperature-sensitive graphene/high molecular composite material, comprising the above mentioned method.