▎ 摘　　要

NOVELTY - Preparing 12-hydroxystearic acid structure modified graphene oxide material comprises (a) modifying graphene oxide with aminosilane via silane hydrolysis reaction including adding graphene oxide powder to first medium solvent and distilled water, dispersing, adding aminosilane dissolved in first medium solvent in drop wise manner while stirring, heating, reacting, separating reaction product, cleaning and drying to obtain aminosilane-modified graphene oxide, (b) performing amino amidation reaction on aminosilane-modified graphene oxide obtained in step (a) including adding 12-hydroxystearic acid structure derivative to second medium solvent to disperse, heating, adding aminosilane-modified graphene oxide to second medium solvent, adding catalyst, adding to mixed solution of 12-hydroxystearic acid structure derivative to react, separating reaction product and washing and drying (or) preparing activated slurry by adding modified graphene oxide to solvent or resin, insulating and cooling. USE - The method is useful for preparing 12-hydroxystearic acid structure modified graphene oxide material. ADVANTAGE - The method: has high dispersibility and can be uniformly dispersed in a variety of solvents and resin systems; enhances the compatibility of graphene oxide sheets with organic resins or media; and reduces separation of organic and inorganic separations in the system. DETAILED DESCRIPTION - Preparing 12-hydroxystearic acid structure modified graphene oxide material comprises (a) modifying graphene oxide with aminosilane via silane hydrolysis reaction including adding 0.1-1 wt.% graphene oxide powder to 54.9-76 wt.% first medium solvent and 0-11 wt.% distilled water, uniformly dispersing, adding 1-3 wt.% aminosilane dissolved in 20-33 wt.% first medium solvent in a drop wise manner while stirring at a speed of 100-10000 revolutions/minute, heating to 30-100 degrees C, reacting for 5-100 hours under medium-speed stirring, separating reaction product, cleaning and drying to obtain aminosilane-modified graphene oxide, (b) performing amino amidation reaction on aminosilane-modified graphene oxide obtained in step (a) including adding 0.5-0.8 wt.% 12-hydroxystearic acid structure derivative to 79.7-92 wt.% second medium solvent to disperse, heating to 80-110 degrees C to completely dissolve, adding 0.05-0.08 wt.% aminosilane-modified graphene oxide obtained in step (a) to 7.45-19.1 wt.% second medium solvent, adding 0-0.32 wt.% catalyst, uniformly dispersing, adding in a drop wise manner to mixed solution of the 12-hydroxystearic acid structure derivative to react for 24-72 hours, separating reaction product and washing and drying (or) preparing activated slurry by adding modified graphene oxide to the solvent or resin, dispersing at high speed, insulating at 40-55 degrees C for 30-60 minutes and cooling to room temperature under medium-low speed stirring.