A waterborne protective coating system is disclosed that comprises at least one binder, water, and a dispersion of 2D material/graphitic nanoplatelets.

A water-resistant composition 20 includes a graphene material 22 forming a matrix with a resin 23. The matrix can include reinforcing fibres such as glass fibres. The composition can include the graphene material 22, a polyester resin 23 and glass fibre reinforcement. Multiple forms of the composite can be provided in layers, such as a barrier layer containing the graphene material 22 in a resin 23 and a second layer containing reinforcing material. A cosmetic coloured gel coat can be applied to the composition and a clear gel coat applied over the cosmetic coating. The graphene material can include graphene platelets 22 dispersed within the resin. The graphene material can provide up to 5% by weight (% wt) of the composite, preferably up to 2% wt of the composite, more preferably between 1% wt and 2.5% wt of the composite and yet more preferably 2% wt of the composite. The composition can be applied to a boat hull, a pipe, a swimming pool, a spa or a tank, or a surface subject to prolonged contact with or submersion in water.

A water-resistant composition 20 includes a graphene material 22 forming a matrix with a resin 23. The matrix can include reinforcing fibres such as glass fibres. The composition can include the graphene material 22, a polyester resin 23 and glass fibre reinforcement. Multiple forms of the composite can be provided in layers, such as a barrier layer containing the graphene material 22 in a resin 23 and a second layer containing reinforcing material. A cosmetic coloured gel coat can be applied to the composition and a clear gel coat applied over the cosmetic coating. The graphene material can include graphene platelets 22 dispersed within the resin. The graphene material can provide up to 5% by weight (% wt) of the composite, preferably up to 2% wt of the composite, more preferably between 1% wt and 2.5% wt of the composite and yet more preferably 2% wt of the composite. The composition can be applied to a boat hull, a pipe, a swimming pool, a spa or a tank, or a surface subject to prolonged contact with or submersion in water.

The invention pertains to the use of porous, chemically interconnected, isotropic carbon-nanofibre-comprising carbon networks for electromagnetic interference shielding (EMI). The invention also relates to a A composite assembly comprising a thermoplastic, elastomeric and/or thermoset polymer matrix and at least 15 wt%, preferably at least 20 wt%, more preferably 20 - 80 wt% of porous, chemically interconnected, crystalline carbon-nanofibres comprising carbon networks based on the total assembly weight.

The invention pertains to the use of porous, chemically interconnected, isotropic carbon-nanofibre-comprising carbon networks for electromagnetic interference shielding (EMI). The invention also relates to a A composite assembly comprising a thermoplastic, elastomeric and/or thermoset polymer matrix and at least 15 wt%, preferably at least 20 wt%, more preferably 20 - 80 wt% of porous, chemically interconnected, crystalline carbon-nanofibres comprising carbon networks based on the total assembly weight.

A method for fabricating carbon nanoparticle polymer matrix composites includes the steps of: providing a nanoparticle mixture that includes carbon nanoparticles (CNPs), mixing the nanoparticle mixture and a plastic substrate into a homogenous (CNP)/polymer mixture having an interconnected network of carbon nanoparticles (CNPs); and irradiating the (CNP)/polymer mixture with electromagnetic radiation controlled to form a polymer composite and uniformly consolidate and/or interfacially bond the carbon nanoparticles (CNPs) into the polymer matrix.

By using CNF excellent in dispersibility, conductivity, and crystallinity, a conductive polymer material having high conductivity even with a low CNF content and a shaped article thereof and a conductive polymer material with a less CNF content for same conductivity and a shaped article thereof are provided. A conductive polymer material with high conductivity is produced by using carbon nanofiber with a median diameter D50 value from 0.1 to 8 μm, powder resistivity of 0.03 Ωcm or less measured under a load of 9.8 MPa, and D/G from 0.5 to 1.3.

By using CNF excellent in dispersibility, conductivity, and crystallinity, a conductive polymer material having high conductivity even with a low CNF content and a shaped article thereof and a conductive polymer material with a less CNF content for same conductivity and a shaped article thereof are provided. A conductive polymer material with high conductivity is produced by using carbon nanofiber with a median diameter D50 value from 0.1 to 8 μm, powder resistivity of 0.03 Ωcm or less measured under a load of 9.8 MPa, and D/G from 0.5 to 1.3.

Disclosed herein is an electrically conductive adhesive composition, which including milled carbon fibers dispersed in a thermosetting resin and a curative agent. Also, disclosed herein are articles comprising at least two components adhesively bonded by the electrically conductive adhesive composition and methods of making such adhesives and articles.

Disclosed herein is an electrically conductive adhesive composition, which including milled carbon fibers dispersed in a thermosetting resin and a curative agent. Also, disclosed herein are articles comprising at least two components adhesively bonded by the electrically conductive adhesive composition and methods of making such adhesives and articles.