▎ 摘　　要

NOVELTY - Preparing grafted graphene and anthraquinone compound on plastic surface comprises e.g. hydrophilically modifying the surface of the plastic by using plasma, strong oxidant, ozone, gamma -ray, electron beam or ion beam, adding 5-10 pts. wt. aminosilane coupling agent to 100 pts. wt. of a 95:5 by volume aqueous alcohol solution, stirring for half an hour, adding the hydrophilic plastic on the surface, heating to 50-70 degrees , carrying out the reaction for 1-3 hours, filtering, filtering the solid, washing with anhydrous ethanol three times and drying, where the volume ratio of the aqueous alcohol solution to the plastic is 1:0.2-0.5, adding 1 pts. wt. modified Hummers method graphene oxide to 100-1000 pts. wt. tetrahydrofuran, ultrasonically dispersing, adding 5-50 pts. wt. amino-modified plastic, stirring the reaction for 0.5-2 hours, filtering, washing the filtration of the solid for three times with absolute ethanol, and drying. USE - The graphene and anthraquinone compound is useful for in the field of sewage treatment (claimed). ADVANTAGE - The plastic: accelerates the biodegradation of azo dyes, and nitrates etc, and can repeatedly uses reaches more than 10 times. DETAILED DESCRIPTION - Preparing grafted graphene and anthraquinone compound on plastic surface comprises (i) hydrophilically modifying the surface of the plastic by using plasma, strong oxidant, ozone, gamma -ray, electron beam or ion beam, (ii) adding 5-10 pts. wt. aminosilane coupling agent to 100 pts. wt. of a 95:5 by volume aqueous alcohol solution, stirring for half an hour, adding the hydrophilic plastic on the surface, heating to 50-70 degrees , carrying out the reaction for 1-3 hours, filtering, filtering the solid, washing with anhydrous ethanol three times and drying, where the volume ratio of the aqueous alcohol solution to the plastic is 1:0.2-0.5, (iii) adding 1 pts. wt. modified Hummers method graphene oxide to 100-1000 pts. wt. tetrahydrofuran, ultrasonically dispersing, adding 5-50 pts. wt. amino-modified plastic, stirring the reaction for 0.5-2 hours, filtering, washing the filtration of the solid for three times with absolute ethanol, and drying, and (iv) dissolving the sulfonyl chloride group-containing hydrazine compound in tetrahydrofuran, configuring the solution to be 0.01-0.5 g/ml, and placing in an ice water bath at 0-5 degrees C, adding step (iii) product to obtain a plastic and an acid binding agent for surface-grafting graphene oxide, stirring for 0.5-5 hours, raising the temperature to 20-30 degrees C, continuing the reaction for 0.5-2 hours, adding a reducing agent, raising the temperature to micro reflux, continuing the reaction for for 5-10 hours, filtering, filtering the solid, washing three times with deionized water and absolute ethanol and drying. An INDEPENDENT CLAIM is also included for plastic of the surface grafted graphene and bismuth compound.