▎ 摘　　要

NOVELTY - The utility model model claims a device for roller coating wave-absorbing material, comprising a driving component, a roller shaft, a plate-shaped base material, base material fixing component, a coating part is arranged outside the part of the roller shaft or all of the outer surface surface of the roller shaft; the driving component and the roller shaft are connected in non-rigid manner; the plate-shaped base material horizontally paved, fixed on the base material part, surface contact roller shaft and the plate-shaped base material The drive member drives the roller shaft to move in a direction parallel to the roll-to-roll coating surface The device utility model especially suitable for containing granular and/or sheet material of polypyrrole/ferrite, graphene/ferrite wave-absorbing coating preparation preparation method is simple, easy to control, batch, low cost, the preparation-absorbing coating is compact, controllable thickness, high consistency, good absorbing effect, has strong corrosion resistance and has wide application prospect.