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    • 3. 发明公开
    • Method for producing extruded polystyrene resin heat-insulating foam board
    • 维多利亚·福斯特
    • EP2639260A1
    • 2013-09-18
    • EP13158154.8
    • 2013-03-07
    • JSP CORPORATION
    • Okuda, AkiraIshikawa, TatsuyukiKogure, Naochika
    • C08J9/12C08J9/14C08L25/06C08L25/14
    • C08J9/122C08J9/149C08J2201/03C08J2203/10C08J2203/14C08J2203/162C08J2203/202C08J2205/052C08J2325/06
    • A method for producing an extruded heat-insulating foam board having a thickness of 10 to 150 mm, an apparent density of 20 to 50 kg/m 3 and a closed cell content of at least 80% by extrusion foaming of a foamable resin melt containing a base resin composed primarily of a polystyrene resin, a physical blowing agent and a flame retardant, wherein 3 to 50 mol% of a hydrofluoroolefin, 30 to 70 mol% of a saturated hydrocarbon having 3 to 5 carbon atoms, and 5 to 50 mol% of water and/or carbon dioxide (where the sum of the contents of the hydrofluoroolefin, saturated hydrocarbon having 3 to 5 carbon atoms, water and / or carbon dioxide is 100 mol%) are used as the physical blowing agent. The extruded polystyrene resin heat-insulating foam board is produced with good extrusion foamability and moldability and has a high expansion ratio, a large thickness, excellent long-term heat-insulating properties and flame retardancy, and good appearance.
    • 一种发泡性树脂熔体的挤出发泡法,其制造厚度为10〜150mm,表观密度为20〜50kg / m 3,闭孔含量为80%以上的挤压绝热泡沫板的制造方法, 主要由聚苯乙烯树脂,物理发泡剂和阻燃剂组成的基础树脂,其中3至50摩尔%的氢氟烯烃,30至70摩尔%的具有3至5个碳原子的饱和烃和5至50摩尔 使用水和/或二氧化碳(其中氢氟烯烃,碳原子数为3〜5的饱和烃,水和/或二氧化碳的含量之和为100摩尔%)的总和为物理发泡剂。 挤出聚苯乙烯树脂绝热泡沫板制造具有良好的挤出发泡性和成型性,并且具有高膨胀率,大厚度,优异的长期绝热性和阻燃性,以及良好的外观。