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    • 10. 发明申请
    • INFRARED ATTENUATED POLYMERIC FOAM INSULATION WITH FLAME RETARDANT PERFORMANCE
    • 具有阻燃性能的红外衰减聚合物泡沫绝缘
    • US20120074347A1
    • 2012-03-29
    • US13318365
    • 2010-06-01
    • John Gordon-Duffy
    • John Gordon-Duffy
    • E04B1/78C08J9/35
    • C08J9/0019C08J9/0023C08J9/0066C08J9/127C08J2201/03C08J2203/06C08J2203/12C08J2203/14C08J2325/04
    • Prepare a polymer foam by extrusion foaming a foamable thermoplastic polymer composition using a blowing agent containing 3 to 5 weight-percent (wt %) carbon dioxide, up to 5 wt % alcohol having 2-3 carbons, up to 0.7 wt % water and up to 2.5 weight-percent iso-butane; wherein the blowing agent comprises at least 0.1 wt % of water and/or alcohol having 2-3 carbons; two to five wt % infrared attenuating agent selected from petcokes and 100-700 nanometers size carbon black; 2.5 to 3.5 wt % brominated flame retardant; and at least 0.1 wt % of epoxy stabilizer wherein the resulting polymeric foam is characterized by having a density in a range of 30 to 37 kilograms per cubic meter, a unimodal cell size distribution, an average cell size of 0.15 to 0.4 millimeters, a thermal conductivity in a range of 28 to 35 milliwatts per meter*Kelvin and that passes the German B2 fire test.
    • 通过使用含有3至5重量百分比(wt%)二氧化碳,至多5重量%的具有2-3个碳原子的醇,至多0.7重量%的水及以上的发泡剂将发泡性热塑性聚合物组合物挤出发泡来制备聚合物泡沫体 至2.5重量%的异丁烷; 其中所述发泡剂包含至少0.1重量%的具有2-3个碳原子的水和/或醇; 二至五重量%的红外衰减剂,选自petcoke和100-700纳米尺寸的炭黑; 2.5〜3.5wt%溴化阻燃剂; 和至少0.1重量%的环氧稳定剂,其中所得聚合物泡沫的特征在于密度在30至37千克/立方米的范围内,单峰电池尺寸分布,平均电池尺寸为0.15至0.4毫米,热 电导率在28至35毫瓦每米*开尔文,并通过德国B2火测试。