Composition for coating

A composition and coating technology, which is applied in the direction of coating, thin material treatment, and devices for coating liquid on the surface, can solve the problems of not considering the properties of the substrate and the requirements of the coating, so as to improve the service life and expand the scope of use Effect
CN102725359AActive Publication Date: 2012-10-10SILICALIA
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SILICALIA
Publication Date
2012-10-10

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Abstract

Provided is a method which consists of the formation of a layer over a stone substrate to increase its hardness, chemical resistance, wear and scratch resistance, comprising applying on the substrate a coating matrix incorporating an organic material and fillers including inorganic nanoparticles and/or microparticles; chemically binding said matrix to the substrate,by a self-assembly process and/or a binding process by covalent bonding, electrostatic bonding, van der Waals bonding or hydrogen bonds; and finally drying said matrix. The mentioned organic material is selected from organosilanes, organophosphates, polycarboxylic compounds, compounds based on triazine heterocycles and said nanoparticles are nanoparticles of oxides, carbides, borides, nitrides of metals or of semimetals.
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Description

technical field

[0001] The present invention relates in a first aspect to a method for coating a stone substrate which in this description is understood as natural marble or comprising calcareous material and / or dolomitic limestone formed by a binder. Agglomerated stone aggregates, this method provides a coating that increases the hardness of the stone substrate, improving chemical resistance, abrasion resistance and scratch resistance. The coating of the present invention improves the stability of the surface against etching by chemicals and reduces staining.

[0002] The process of the present invention allows, at the same time, to increase the longevity of the use of stone substrates such as artificial marble slabs in optimum conditions, and at the same time to significantly expand the range of use of such products (taking into account the resistance shown by the exposed surface to various factors), and Reduce the number of scratched or defective pieces during handling, sh...

Claims

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