Strong durable low cost composite materials made from...

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component

Reexamination Certificate

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C428S311110, C428S311510, C428S317900, C428S292100, C428S295100, C527S103000, C527S301000, C524S534000, C521S109100, C521S084100

Reexamination Certificate

active

06863971

ABSTRACT:
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 organic solvent, isocyanate component unsaturated resin and optionally additional additives. 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 virgin or scrap obtained from industrial or domestic waste, and is selected from thermoplastic or thermosetting polymers.

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