Fecha de publicación:
11/08/2022
Fuente: WIPO "hemp"
A composite material, including a closed cell polyurethane matrix portion exhibiting at least some properties associated with wood and a particulate portion homogeneously distributed and suspended in the matrix portion. The particulate portion is selected from the group consisting of fiberglass, hemp fiber, textile fibers, cotton fibers, textile strips, poly(azanediyl-1,4-phenyleneazanediylterephthaloyl) fiber, graphene, graphite, carbon nanotubes, alumina, silica, Portland cement, aluminum powder, steel powder, iron powder, iron filings, copper powder, tungsten carbide, boron nitride, diamond, amorphous carbon, and combinations thereof. The composite material has a compressive strength between 2000 MPa and 10000 Mpa, a tensile strength between 800 MPa and 10000 Mpa, a shear strength between 1000 MPa and 8000 Mpa, and a density between 0.15 g/cc and 1.2 g/cc.