Reinforced natural or conglomerated stone plate-like element and multilayered protective coating thereof

摘要

Reinforced natural or conglomerate stone plate-like element and multilayered protective coating that includes a substrate of natural or conglomerated stone material and a multi-layered coating providing protection of the substrate against chemical and wearing mechanical agents acting on the element. The multi-layered coating includes three single or multiple film forming composition layers.

主权项

1. Reinforced natural or conglomerate stone plate shaped element comprising:
a) a substrate of natural or conglomerate stone material; and b) a multi-layered coating providing protection to said substrate against chemical and wearing mechanical agents acting on the element; wherein said multi-layered coating comprises at least three single or multiple film forming composition layers including:
an upper layer including scratch resistant nano particles embedded in a resin selected from the group consisting of polyester-, melamine-, phenolic-, acrylic-, epoxy-resins and a combination thereof, wherein the upper layer provides scratch protection;a cushioning intermediate layer made of epoxy and/or acrylic resin, wherein the cushioning intermediate layer provides impact resistance; anda lower layer adjacent said substrate including Al2O3 or silicon carbide particles plus an acrylic polymer, wherein the lower layer provides abrasion resistance.