▎ 摘　　要

NOVELTY - A three-dimensional printing modified glass material comprises 1.1-3.5 wt.% nanobentonite, 1.1-3.5 wt.% nanomagnesite, 3-18 wt.% graphene, 5-20 wt.% N,N-dimethyl amide, 1.2-3.5 wt.% polymethyl acrylate, 0.1-0.5 wt.% isopropanol, 0-1.1 wt.% chromium oxide, 0-1.5 w.% titanium dioxide, 0-1.3 wt.% zinc oxide, 0-1.5 wt.% lithium oxide, 0.1-2.3 wt.% propylene glycol n-butyl ether, and balance boron glass powder. USE - Three-dimensional printing modified glass material. ADVANTAGE - The glass material exhibits high performance and has low production cost. The method is simple and has high processing efficiency. It also has low processing operation and energy consumption, and effectively improves wear resistance of surface of glass. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a modified glass material preparation method which comprises adding nanobentonite, nanomagnesite, and graphite into N,N-dimethyl amide at 50-80 degrees C, and ultrasonic stirring for 2-10 hours to obtain mixed solution; uniformly mixing silicon powder, polymethyl acrylate, isopropyl alcohol, chromium oxide, titanium dioxide, zinc oxide, lithium oxide, propylene glycol monobutyl ether and boron glass powder in mixing device, adding resulting mixture into the mixed solution, and ultrasonic stirring for 30-120 minutes; heating mixture to 150-300 degrees C within 15-30 minutes, ultrasonic stirring molten mixture, insulating and cooling, finally cooling and crushing mixture to obtain the glass substrate; and washing glass substrate, drying to obtain desired glass material. DESCRIPTION OF DRAWING(S) - The drawing is a schematic diagram illustrating a preparation method of three-dimensional printing modified glass material (Drawing includes non-English language text).