COMPOSITION FOR FORMING POLYURETHANE FOAM, POLYURETHANE FOAM, AND THERMAL INSULATING MATERIAL

• Main Authors: HOSHIBA, Jiro, ASHIHARA, Masayuki, KASHIWAMOTO, Yuudai
• Format: Patent
• Language: English; French
• Published: 21.04.2022
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

Provided is a composition for forming a polyurethane foam having excellent surface quality of a formed article, in particular, a polyurethane foam having excellent smoothness. The invention is a composition for forming a polyurethane foam, in which the composition comprises a hydrofluoroolefin as a foaming agent; and the composition comprises 0.2 to 6 parts by mass of at least one compound represented by Formula 1 relative to 100 parts by mass of the composition: RO(CH2CH2O)nR (Formula 1) where R is a C1 to C3 linear or branched alkyl, and n is an integer of 1 or more. L'invention concerne une composition pour la formation d'une mousse de polyuréthane ayant une excellente qualité de surface d'un article formé, en particulier, une mousse de polyuréthane ayant un excellent lissé. L'invention concerne une composition pour la formation d'une mousse de polyuréthane, dans laquelle la composition comprend une hydrofluorooléfine en tant qu'agent moussant; et la composition comprend de 0,2 à 6 parties en masse d'au moins un composé représenté par la formule 1 par rapport à 100 parties en masse de la composition: RO(CH2CH2O)nR (Formule 1) dans laquelle R est un alkyle linéaire ou ramifié en C1 à C3, et n est un nombre entier supérieur ou égal à 1.