▎ 摘　　要

NOVELTY - This utility model claims wind driven generator blade, comprising a blade substrate is orderly provided with inner composite layer and an outer composite layer from inside to outside on the blade substrate layer, the composite layer and the outer composite layer in between. are provided with epoxy resin adhesive layers between the composite layer and the blade substrate layer; the composite layer is composed of the combination unit layer group from above are stacked by moulding to outer, each group of combination unit layer comprising first polypropylene resin film layer, graphene ramie fibre layer and the second stack moulded by polypropylene resin film layer in turn from inside to outside; the outer composite layer is 10-20 layers of graphene glass fibre epoxy resin layer. outer composite layer capable of protecting the inner layer material corrosion and aging. the composite layer is multi-layer first polypropylene resin film layer, graphene ramie fibre layer and the second polypropylene resin film layer. not only can satisfy the processing performance, and it can effectively reduce production cost, high yield of ramie fibre, degradable and pollution-free.