▎ 摘　　要

NOVELTY - Graphene-based foaming lightweight flame-resistant insulating decorative board comprises e.g. matrix foamed lightweight refractory layer, thermal insulation material layer and decorative surface. The decorative surface coating on matrix foaming light refractory heat preservation material layer surface, sintering, molding, bonding together, where substrate foaming lightweight refractory insulating material layer comprises e.g. graphene, inorganic high temperature resistant fiber, non-metal mine tailing, expanded vermiculite, expanded perlite, zirconium oxide and high-temperature latent solvent. USE - Used as graphene-based foaming lightweight flame-resistant insulating decorative board. ADVANTAGE - The board: has uniform disperse materials; has light weight, high-strength, flame-resistant, flame-retardant, waterproof, impervious, and anti aging properties and excellent mechanical properties; saves energy; and is environmentally friendly. DETAILED DESCRIPTION - Graphene-based foaming lightweight flame-resistant insulating decorative board comprises matrix foamed lightweight refractory layer, thermal insulation material layer and decorative surface. The decorative surface coating on the matrix foaming light refractory heat preservation material layer surface, sintering forming bonded together, where the substrate foaming lightweight refractory insulating material layer comprises 3-10 wt.% graphene, 5-30 wt.% inorganic high temperature resistant fiber, 5-25 wt.% non-metal mine tailing, 5-20 wt.% expanded vermiculite, 6-25 wt.% expanded perlite, 1-10 wt.% zirconium oxide, 0.05-10 wt.% high-temperature latent solvent, 0.05-10 wt.% water-repellent agent, 1-16 wt.% inorganic high temperature resistant adhesive and 1-10 wt.% flame retardant, the decorating surface layer comprises 2 -15 wt.% graphene, 25-80 wt.% feldspar, 5-15 wt.% quartz, 0.05-10 wt.% alumina, 5-15 wt.% wollastonite, 0.05-14 wt.% calcium carbonate and 1-10 wt.% colorant. An INDEPENDENT CLAIM is also included for preparing the decorative board comprising (i) grinding all the raw material separately for 10 hours in ball mill or vertical mill with fineness of 250 mesh, (ii) uniformly mixing graphite, non-metal mine tailing tailings, expanded perlite, vermiculite, high temperature fluxing agent and zirconium oxide, placing into refrigerating chamber, freezing for 120-180 minutes at -34 degrees C to -17 degrees C, then placing in a plasma processing apparatus under plasma discharge frequency of 5-8 MHz, pressure of 25-40 Pa and the nitrogen gas flow rate of 25-35 ml/second for 25-40 seconds, placing into ball mill or vertical mill, adding inorganic high temperature resistant fiber, mixing and homogenizing for 10-300 minutes, drying, placing into rotary kiln, high temperature sintering at 1000 degrees C, cooling to obtain graphene foaming light refractory insulating particles with diameter of 1-6 cm, uniformly mixing the graphene foam lightweight flame-resistant insulating particles, water repellent agent, inorganic high temperature resistant adhesive under 30 MPa pressure of the press molding to obtain matrix foaming light refractory heat preservation material layer, (iii) mixing and grinding raw material of the decorative layer for 3-20 hours by ball mill or vertical mill with the fineness of 325 meshes, placing into high speed rotating mixer for homogenizing for 10-150 minutes, enters pulp storing pool to obtain decorative slurry, (iv) uniformly spraying the matrix foaming light refractory heat preservation material layer decorative slurry, placing matrix light refractory heat preservation material layer on a thickness of 2 mm surface of all the material into drier and dry forming to obtain crude product, and (v) placing the crude product into kiln or tunnel kiln, high temperature sintering at 900-1200 degrees C for 30-300 minutes and cooling, grinding, polishing, cutting and molding to obtain the finished product.