▎ 摘　　要

NOVELTY - Wave absorber structure comprises a graphene material. The microwave absorbing body structure comprises metal plate (11). The microwave absorbing coating layer (12) is coated on the metallic flat plate and a light absorption layer is disposed on the wave absorbing coating layer. The surface of the lightweight foam layer (13) is periodically provided with a copper wire array. The surface of the copper wire (14) is coated with graphene composite absorbing fiber. USE - Wave absorber structure. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing microwave absorbing body structure, which involves: (A) preparing a microwave absorbing coating with the screen diameter of 50 mu m; (B) placing the structure in 0.5M sodium hydroxide for 30 min to remove the surface impurity; (C) washing the obtained product is washed with water; (D) adding 20g hollow glass micro spheres, 12g sodium hydroxide, 25ml iron pentacarbonyl, 400ml ethanolamine and 30 ml hydrazine hydrate (85%) in a stainless steel reaction kettle; (E) keeping the temperature at 160 degrees C for 10-15 hours; (F) cooling the obtained mixture at room temperature to obtain black precipitate; (G) cleaning and drying the shell; (H) drying to obtain the coreshell structure of hollow glass bead/iron oxide composite material; (I) coating isocyanate on the metal plate; (J) forming a microwave absorbing coating; (K) preparing the graphene composite microwave absorbing fiber; (L) adding 0.3-3 wt.% concentrated oxidized graphene liquid crystal, 4 wt.% iron nanowire and iron(II,III) oxide nano particle; (M) taking oxide graphene/iron nanowire /iron(II,III) oxide particle spinning liquid sol; (N) stirring the obtained mixture with the rotation speed of 100-1000rpm; (O) solidifying the obtained product; (P) extruding the tube through a diameter in extrusion speed of 1 to 100ml/h at 5-80 degrees C for 1-100 seconds; (Q) washing and drying to obtain the graphene oxide composite microwave absorbing fiber; (R) reducing graphene oxide composite microwave absorbing fiber by adding reducing agent; (S) carrying out washing or thermal reduction to obtain graphene composite microwave absorbing fiber; (T) preparing microwave absorbing body structure the graphene composite absorbing fiber covered on the surface of the copper wire; and (U) setting copper line section array size, so as to form the microwave absorbing body structure. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a wave absorber structure. Metal plate (11) Microwave absorbing coating layer (12) Lightweight foam layer (13) Copper wire (14)