Foamed article and method for preparing the same

• Main Authors: ZHU, Beiyuan, HAGEMANN, Michael Gerhard, VOGEL, Dominik, YE, Chenyu, WELZ-BIERMANN, Urs, SALWICZEK, Kathrin
• Format: Patent
• Language: English; French
• Published: 19.05.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The present disclosure relates to a foamed article and a method for preparing the same. The foamed article is prepared by a process comprising, providing a polyether block amide and a thermoplastic polyurethane; compounding the polyether block amide and the thermoplastic polyurethane and forming a blend; shaping the blend and forming a preform; and foaming the preform and obtaining the foamed article. La présente invention concerne un article en mousse et son procédé de préparation. L'article en mousse est préparé selon un procédé comprenant l'utilisation d'un amide séquencé de polyéther et d'un polyuréthane thermoplastique ; le mélange de l'amide séquencé de polyéther et du polyuréthane thermoplastique et la formation d'un mélange ; la mise en forme du mélange et la formation d'une préforme ; et le moussage de la préforme et l'obtention de l'article en mousse.