Non-fogging transparent polyurethane coating, process for its preparation and glass provided with this coating

• Main Author: KRUGER, ALBERT A
• Format: Patent
• Language: English; French; German
• Published: 24.08.1988
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; MINERAL OR SLAG WOOL; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

L'invention concerne une couche transparente en polyuréthane résistant à l'embuage. La couche selon l'invention comporte greffés radiochimiquement à sa surface, des monomères et/ou des oligomères de l'acide acrylique ou de sels de cet acide. La couche est utilisée en tant que couche de revêtement dans les vitrages feuilletés. The layer comprises, grafted radiochemically on its surface, acrylic acid monomers and/or oligomers and salts of this acid. The layer is employed as a coating layer in laminated glazing.