Composition for treating glass-ceramic or glass to improve mechanical strength through curing of surface defects, treatment methods

Solicitante: EUROKERA S N C
N. de solicitud: EP20050776412
N. de publicación: EP1763493

The invention concerns a composition for treating the surface of glass-ceramic in particular plate form, flat or hollow glass, or in the form of fibers, suitable for application in thin layer on said glass-ceramic. It comprises, in aqueous medium, the following constituents (A) and (B): at least one compound comprising at least one function f(A); and (B) at least one compound comprising at least on function f(B) capable of reacting with the function(s) f(A) of constituent (A) inside the thin layer applied on the glass-ceramic or the glass so as to transform the latter through polycondensation and/or polymerization into a solid layer, at least one of the compounds comprised in the definition of (A) and (B) containing at least one R-O- function bound to a silicon atom, R representing an alkyl radical, and at least part of the compounds at least one R-O- function bound to a silicon atom that may be in hydrolyzed form resulting from prehydrolysis or spontaneous hydrolysis occurring upon contact of the compound(s) with the aqueous medium.

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