▎ 摘　　要

NOVELTY - A printing environmentally-friendly material comprises banana straw, kaolin, polylactic acid, potassium tripolyphosphate, graphene, fatty alcohol polyoxyethylene ether ammonium sulfate, triethanolamine soap, component (c1) and component (c2). The component (c1) comprises 3.5 pts. wt. glycidyl methacrylate, 6.2 pts. wt. modified polyacrylate, 4 pts. wt. di(2-ethylhexyl)phthalate, 4 pts. wt. antioxidant 1076, 6.3 pts. wt. polyaluminum chloride, 5 pts. wt. ACR-type foam regulator and 5.6 pts. wt. KH-550 (RTM: 3-aminopropyltriethoxysilane). USE - Printing environmentally-friendly material (claimed). ADVANTAGE - The printing environmentally-friendly material has excellent tensile strength. DETAILED DESCRIPTION - A printing environmentally-friendly material comprises 156 pts. wt. banana straw, 36 pts. wt. kaolin, 78 pts. wt. polylactic acid, 35 pts. wt. potassium tripolyphosphate, 2 pts. wt. graphene, 10 pts. wt. fatty alcohol polyoxyethylene ether ammonium sulfate, 0.8 pt. wt. triethanolamine soap, 8.7 pts. wt. component (c1) and 6.2 pts. wt. component (c2). The component (c1) comprises 3.5 pts. wt. glycidyl methacrylate, 6.2 pts. wt. modified polyacrylate, 4 pts. wt. di(2-ethylhexyl)phthalate, 4 pts. wt. antioxidant 1076, 6.3 pts. wt. polyaluminum chloride, 5 pts. wt. ACR-type foam regulator, 4 pts. wt. aerosol generating agent and 5.6 pts. wt. KH-550 (RTM: 3-aminopropyltriethoxysilane). The component (c2) includes 182 pts. wt. tapioca starch, 22 pts. wt. dimethyl phosphite, 10 pts. wt. N-ethyl-5-methyl-2-(1-methylethyl)cyclohexanecarboxamide, 10 pts. wt. epibromohydrin, 4.2 pts. wt. carbamide, 3 pts. wt. potassium hydroxide, 0.9 pt. wt. titanium aluminum composite coupling agent, 0.3 pt. wt. azobisisobutyric acid(ethylene glycol acrylate), 0.5 pt. wt. vanadium pentoxide, 0.6 pt. wt. stearic acid, 0.7 pt. wt. polydimethylsiloxane, 1.2 pts. wt. dibutyl phthalate, 1 pt. wt. methyl methacrylate-butadiene-styrene terpolymer, 0.8 pt. wt. modified rosin resin, 0.7 pt. wt. boric acid and 0.4 pt. wt. ammonium dihydrogen phosphate. The printing environmentally-friendly material is prepared by selecting, crushing banana straw and sieving crushed material to 300 mesh, to obtain powder, drying powder at 105 degrees C for 2.2 hours and controlling water content to 0.7% to obtain banana stalk powder, taking kaolin with pH of 9.6 and water content of 2.4%, crushing and sieving mixture to 300 mesh to obtain kaolin powder, modifying kaolin powder with fatty alcohol polyoxyethylene ether sulfate to obtain modified kaolin, treating graphene at magnetic field strength of 6800 GS, ultrasonic power of 600 W, 55 degrees C and 300 rpm for 16 minutes to obtain treated graphene, adding triethanolamine soap to treated graphene, activating mixture at 76 degrees C and 150 rpm for 0.8 hour to obtain activated graphene powder, adding modified kaolin to banana stalk powder, adding activated graphene energy powder, polylactic acid, potassium tripolyphosphate and component (c1), heating mixture at 225 degrees C, stirring mixture at 300 rpm for 2.8 hours, cooling mixture to room temperature to form three-dimensional printed primary material, crushing three-dimensional printed primary material at -115 degrees C, adding component (c2), mixing mixture, adding mixed mixture to screw extruder, extruding mixture at 205 degrees C and 115 rpm. The component (c1) is prepared by mixing aerosol generating agent, KH-550 (RTM: 3-aminopropyltriethoxysilane), glycidyl methacrylate, modified polyacrylate and antioxidant 1076, heating mixture at 132 degrees C and 200 rpm, reacting mixture for 69 minutes to obtain material (m1), adding ACR-type foam regulator to material (m1), adding polyaluminum chloride, mixing and heating mixture at 160 degrees C and 400 rpm and reacting mixture for 145 minutes to obtain material (m2), mixing material (m2) with di(2-ethylhexyl)phthalate and cooling mixture to 125 degrees C, reacting mixture at 300 rpm for 65 minutes. The component (c2) with concentration of 28 degrees Be is prepared by adding dimethyl phosphite with concentration of 7.8% to tapioca starch with pH value of 3.7, adding N-ethyl-5-methyl-2-(1-methylethyl)cyclohexanecarboxamide, aluminum titanium composite coupling agent and vanadium pentoxide, stirring mixture at 59 degrees C and 80 rpm, crosslinking and grafting mixture for 3.8 hours to obtain slurry (b), adding potassium hydroxide to slurry (b), adjusting pH to 9.6, adding epichlorohydrin, carbodiimide, azobisisobutyric acid(ethylene glycol)acrylate, dibutyl phthalate, methyl methacrylate-butadiene-styrene terpolymer, modified rosin resin, boric acid and ammonium dihydrogen phosphate, stirring mixture at 60 degrees C and 120 rpm, crosslinking mixture for 1.3 hours to obtain slurry (c), adding stearic acid to slurry (c), adjusting pH to 8.8, heating mixture at 77 degrees C, gelatinizing mixture at 30 degrees C for 50 minutes, adding polydimethylsiloxane and stirring mixture at 130 rpm for 9 minutes.