압출된 폴리스티렌 폼을 위한 발포제 및 압출된 폴리스티렌 폼 및 발포 방법

• Main Authors: HULSE RYAN, GIMENO JOSEP, MAHMOOD SYED HASSAN
• Format: Patent
• Language: Korean
• Published: 03.07.2024
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; 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; WORKING-UP

본 발명은 압출된 폴리스티렌 폼을 형성하기 방법, 폼 및 발포제를 제공하며, 발포제는 (i) 1224yd(Z), 1233zd(E), 1336mzz(Z) 및 이들의 조합으로 이루어진 군으로부터 선택되는, 약 40 중량% 내지 약 70 중량%의 하나 이상의 3개 또는 4개의 탄소 원자를 갖는 HFO 및/또는 3개 또는 4개의 탄소 원자를 갖는 HFCO; 및 (ii) 약 30 중량% 내지 약 60 중량%의 아이소부탄, 메틸 포르메이트 및 이들의 조합을 포함한다. Methods, foams and blowing agents for forming for forming extruded polystyrene foam wherein the blowing agent comprises (i) from about 40% by weight to about 70% by weight of one or more HFOs three or four carbon atoms and/or an HFCOs having three or four carbon atoms being selected from the group consisting of 1224yd(Z), 1233zd(E), 1336mzz(Z) and combinations of these; and (ii) from about 30% to about 60% by weight of isobutane, methyl formate and combinations of these.