▎ 摘 要
NOVELTY - White floating bead modified polytetrafluoroethylene material comprises white floating bead, polytetrafluoroethylene, carbon fiber, steel fiber, fluorine resin glue powder, graphene oxide, oyster powder, silicon dioxide, silane coupling agent KH550, acetone, ethanol (95%), acetic acid, polyisocyanate JQ-1, dimethylformamide (DMF), 4- dimethylamino pyridine (DMAP), dicyclohexylcarbodiimide (DCC) and water. USE - Used as white floating bead modified polytetrafluoroethylene material. ADVANTAGE - The material has flame-resistant and thermal insulation properties. DETAILED DESCRIPTION - White floating bead modified polytetrafluoroethylene material comprises 20-25 pts. wt. white floating bead, 80-90 pts. wt. polytetrafluoroethylene, 10-15 pts. wt. carbon fiber, 5-10 pts. wt. steel fiber, 5-10 pts. wt. fluorine resin glue powder, 1-3 pts. wt. graphene oxide, 1-5 pts. wt. oyster powder, 5-10 pts. wt. silicon dioxide, 16-20 pts. wt. silane coupling agent KH550, 20-25 pts. wt. acetone, 30-40 pts. wt. ethanol (95%), acetic acid, 5-10 pts. wt. polyisocyanate JQ-1, 15-20 pts. wt. dimethylformamide (DMF), 10-15 pts. wt. 4- dimethylamino pyridine (DMAP), 15-20 pts. wt. dicyclohexylcarbodiimide (DCC), 90-100 pts. wt. water, where the median length of the carbon fiber is 75-150 mu m, the median length of the steel fiber is 50-150 mu m, and the granularity of the fluorine resin glue powder is 80-200 meshes. An INDEPENDENT CLAIM is also included for preparing white floating bead modified polytetrafluoroethylene material comprising (a) adding carbon fiber into 20-25 pts. wt. ethanol solvent (95%), ultrasonically dispersing to uniformity, regulating pH at 4-5 by adding adding acetic acid, adding 10-13 pts. wt. silane couple agent KH550, stirring for 8-15 hours, washing using deionized water, and vacuum drying, (b) adding remaining ethanol solvent (95%), oxidizing graphene oxide into graphite peroxide by using glow discharge circuit plasma technology, (c) taking the graphene peroxide obtained in the step (b), adding dimethylformamide (DMF), ultrasonically stirring for 2-3 hours, adding 4-dimethylamino pyridine (DMAP), dicyclohexyl carbodiimide (DCC) and carbon fiber obtained in the step (a), reacting at room temperature for 18-36 hours, washing using deionized water, and vacuum drying to obtain graphene oxide grafted carbon fiber, (d) taking capsule powder of polyisocyanate JQ-1, mechanically stirring to uniformity, drying and adding steel fiber, white floating bead, oyster powder, continuing mechanical stirring for 1-3 hours, washing with water, and drying, (e) taking graphene oxide grafted carbon fiber obtained in the step (c), and mixture obtained in step (d) and 70-75 pts. wt. polytetrafluoroethylene, uniformly mixing in high speed mixer, cold pressing under air atmosphere, and sintering at 360- 390 degrees C to obtain plate-type sample having a diameter of 150-250 mm and a thickness of 3-4 mm, (f) taking plate-type sample obtained in the step (e), dipping in soaking solution for 4-8 minutes, taking out and drying in a baking box at 80-100 degrees C, placing into a muffle furnace and sintering at 120-200 degrees C for 10-30 minutes, where the soaking liquid is prepared by taking silicon dioxide and grinding, adding remaining amount of polytetrafluoroethylene and remaining amount of silane coupling agent KH550, ultrasonically dispersing in water to uniformity.