| abstract |
The invention mainly relates to the technical field of building material processing, and discloses a preparation method of a light heat-insulating flame-retardant exterior wall decorative plate, which comprises the following steps: modifying kaolin, modifying waste ceramic tiles, modifying polytetrafluoroethylene, mixing for the first time, mixing for the second time, mixing for the third time, and extruding and molding; the preparation method of the light heat-insulating flame-retardant exterior wall decorative plate provided by the invention is simple, the raw materials are wide, the obtained exterior wall decorative plate is high in strength and light in weight, has higher flame-retardant and heat-insulating effects, and can save energy and ensure the safety of residents. |