C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 41/63 (2006.01) C04B 41/71 (2006.01)
Patent
CA 2648352
In the manufacture of articles, in particular slabs, of conglomerate stone material provided with a protective and/or decorative surface coating consisting of a synthetic resin, the surfaces of the article to be coated are subjected to a treatment in order to increase their surface tension to a value greater than that of the coating material to be applied subsequently. This treatment consists preferably of a Corona discharge. Particular advantages are obtained using a fluoropolymer, specifically a fluorinated polyurethane resin, as the synthetic resin of the surface coating.
L'invention concerne la fabrication d'articles, notamment de plaques, en matériau à base de pierre conglomérée munis d'un revêtement de surface protecteur et/ou décoratif consistant en une résine synthétique, les surfaces de l'article à enduire étant soumises à un traitement afin d'accroître leur tension de surface à une valeur supérieure à celle du matériau de revêtement appliqué par la suite. Ce traitement consiste de préférence en une décharge Corona. Des avantages particuliers sont obtenus en utilisant un fluoropolymère, notamment une résine de polyuréthanne fluorée, en tant que résine synthétique du revêtement de surface.
Marks & Clerk
Toncelli Luca
LandOfFree
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