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AssigneeL'Urederra Fundacion para el Desarrollo Technologico y Social
InventorsClaudio Fernandez Acevedo, Luis Martínez De Morentín Osaba, Edurne Osés Arteta, Germán Medina Herrera, Maria Antonia Fernández Fernández
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Method for the recycling of polyvinyl butyral based on the obtaining of recycled polyvinyl butyral (PVB) from laminated glass which is then shattered and the polyvinyl butyral (PVB) is separated. The sheet obtained is cut into pieces, then proceeding to a surface cleaning process eliminating the dirt and foreign matter, which comprises: a first polyvinyl butyral (PVB) purification stage by way of a chemical treatment by means of a reagent; a subsequent final chemical treatment stage supplementary to the first stage by means of a reagent, the purification treatment being carried out on the polyvinyl butyral (PVB) in solid state and obtaining totally purified polyvinyl butyral read to be used again in the manufacture of laminated glass.
Method for the recycling of polyvinyl butyral, which method is based on the obtaining of recycled polyvinyl butyral (PVB) from laminated glass, which is shattered and the polyvinyl butyral (PVB) is separated, the resulting sheet is cut into pieces and a surface cleaning process is then carried out to eliminate dirt and foreign matter, characterized in that it comprises the following stages:
Dependencies are inferred from the claim text.