FIELD: chemistry.
SUBSTANCE: invention relates to construction materials. reinforced natural or conglomerate stone plate-like element includes a substrate of natural or conglomerate stone material; a multilayered coating providing protection of said substrate from chemical and wearing mechanical agents acting on the element; wherein said multilayered coating comprises at least three layers formed from one or multiple film-forming compositions, including an upper layer having scratch resistant nanoparticles embedded in a resin selected from polyester-, melamine-, phenolic, acrylic- and epoxy-resins or any combination thereof, providing scratch protection; a cushioning intermediate layer made of epoxy and/or acrylic resin, providing impact resistance; and a lower layer adjacent to said substrate, including Al2O3 or silicon carbide particles, plus an acrylic polymer, to provide abrasion resistance. The invention is developed in subclaims.
EFFECT: high wear and chemical resistance of natural or conglomerate stone plate-like elements.
15 cl, 1 dwg
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