the present invention concerns treated fibrous porous material having a defined nanostructure comprising reactive sites thereon , wherein said fibrous porous material is treated with a low viscosity organic solution comprising cca1 . the treated fibrous porous material is further mixed with a resin to form a composite . the composite may be formed by various methods of mixing and molding . the invention is further directed to various composites made therefrom . the fibrous porous material is selected from the group comprising cellulose , lignin , synthetic ceramics , porous metal nanopowders , kaolin , bio fibers and porous powders of biological origin or their mixtures . the resin may be any polymer obtained from industrial or domestic waste , and is selected from the group comprising polyethylene and copolymers thereof , polypropylene and copolymers thereof , polystyrene and copolymers thereof , polycarbonate , silicones and copolymers thereof , polybutylene or polyethyleneterphthalate , polyurethane , epoxy , unsaturated polyesters , vinyl esters and ethers , acrylic resins and copolymers thereof , polyamides , phenolics , amino resins , alkyds , polyimides , polyethers , polyvinyl chloride and copolymers thereof , nylon or mixtures thereof .