▎ 摘　　要

NOVELTY - Method for preparing energetic thermoplastic elastomer composite, involves preparing 3-mercaptopropyltriethoxysilane modified graphene oxide/polyglycidyl azide energetic thermoplastic elastomer composite, (a) preparing 3-mercaptopropyltriethoxysilane modified graphene oxide, (b) adding sulfhydryl functionalized graphene oxide to tetrahydrofuran, ultrasonically dispersing at 20-35 degrees C for 1-2 hours, (c) adding polyglycidyl azide-based energetic thermoplastic elastomer to tetrahydrofuran, uniformly stirring at 20-35 degrees C for 1-2 hours, and completely dissolving polyglycidyl azide-based energetic thermoplastic elastomer to obtain mixed solution of polyglycidyl azide-based energetic thermoplastic elastomer and tetrahydrofuran, and (d) pouring obtained sulfhydryl functionalized graphene oxide dispersion to mixed solution of polyglycidyl azide-based energetic thermoplastic elastomer and tetrahydrofuran, uniformly stirring, leaving still and drying. USE - Method for preparing energetic thermoplastic elastomer composite. ADVANTAGE - The method improves the thermal stability of elastomer composite, delays the thermal decomposition temperature to 0.5-3.7 degrees C, reduces the glass transition temperature of original composite, reduces the temperature by 0.6-3.8 degrees C, and is easy and economical. DETAILED DESCRIPTION - Method for preparing energetic thermoplastic elastomer composite, involves preparing 3-mercaptopropyltriethoxysilane modified graphene oxide/polyglycidyl azide energetic thermoplastic elastomer composite, (a) preparing 3-mercaptopropyltriethoxysilane modified graphene oxide, (b) adding sulfhydryl functionalized graphene oxide to tetrahydrofuran, ultrasonically dispersing at 20-35 degrees C for 1-2 hours, where the dosage ratio of graphene oxide and tetrahydrofuran is (10-60) mg:(20-150) g to obtain sulfhydryl functionalized graphene oxide dispersion liquid, (c) adding polyglycidyl azide-based energetic thermoplastic elastomer to tetrahydrofuran, uniformly stirring at 20-35 degrees C for 1-2 hours, where the dosage ratio of polyglycidyl azide-based energetic thermoplastic elastomer and tetrahydrofuran is (4-6) g:(100-200) g, and completely dissolving polyglycidyl azide-based energetic thermoplastic elastomer to obtain mixed solution of polyglycidyl azide-based energetic thermoplastic elastomer and tetrahydrofuran, and (d) pouring obtained sulfhydryl functionalized graphene oxide dispersion to mixed solution of polyglycidyl azide-based energetic thermoplastic elastomer and tetrahydrofuran, uniformly stirring at 20-40 degrees C for 0.5-1 hours, leaving still at room temperature for 1-2 weeks, and drying at 30-40 degrees C for 2-4 hours to obtain composite.