SELF-HEALING POLYURETHANES

• Main Authors: GONDRA ZUBIETA, JOSEBA KOLDO, BILBAO SOLAGUREN, MARIA PILAR, MARCOS FERNÁNDEZ, ÁNGEL ANTONIO, SEOANE RIVERO, RUBÉN
• Format: Patent
• Language: English; French; Spanish
• Published: 14.05.2015
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; HETEROCYCLIC COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

The invention relates to coumarins of formula (I), to polyols and polyurethanes comprising said coumarin, and to the method for producing said polyurethanes, the use thereof in the preparation of coating films, and the method thereof for healing a damaged surface of said polyurethane. La presente invención se relaciona con cumarinas de fórmula (I), polioles y poliuretanos que comprenden dicha cumarina, así como el procedimiento de obtención de dichos poliuretanos, su uso en la preparación de películas de recubrimiento y su procedimiento de reparación de una superficie dañada de dicho poliuretano. La présente invention concerne des coumarines de formule (I), des polyols et des polyuréthanes comprenant une telle coumarine, ainsi que le procédé d'obtention desdits polyuréthanes, leur utilisation pour la préparation de pellicules de recouvrement et le procédé de réparation d'une surface endommagée d'un tel polyuréthane.