Expandable Styrene Polymers With Halogen-Free Flame Retardancy
    10.
    发明申请
    Expandable Styrene Polymers With Halogen-Free Flame Retardancy 审中-公开
    可扩展的苯乙烯聚合物与无卤阻燃

    公开(公告)号:US20080096988A1

    公开(公告)日:2008-04-24

    申请号:US11720563

    申请日:2005-12-01

    IPC分类号: C08J9/16 C08J9/228

    摘要: Expandable styrene polymer granules with halogen-free flame retardancy, comprising a) from 5 to 50% by weight of a filler selected from pulverulent inorganic substances such as talc, chalk, kaolin, aluminum hydroxide, aluminum nitrite, aluminum silicate, barium sulfate, calcium carbonate, titanium dioxide, calcium sulfate, silica, quartz flour, aerosil, alumina or wollastonite, and b) from 2 to 40% by weight of expandable graphite having a mean particle size in the range from 10 to 1000 μm, c) from 0 to 20% by weight of red phosphorus or an organic or inorganic phosphate, phosphite or phosphonate, d) from 0 to 10% by weight of carbon black or graphite, and processes for their preparation and use for preparing self-extinguishing polystyrene particle foams.

    摘要翻译: 含有无卤阻燃性的可发性苯乙烯聚合物颗粒,其包含a)5至50重量%的填料,其选自粉末状无机物质如滑石粉,白垩,高岭土,氢氧化铝,亚硝酸铝,硅酸铝,硫酸钡,钙 碳酸盐,二氧化钛,硫酸钙,二氧化硅,石英粉,气溶胶,氧化铝或硅灰石,和b)2〜40重量%的平均粒径在10〜1000μm的可膨胀石墨,c)0 至20重量%的红磷或有机或无机磷酸盐,亚磷酸盐或膦酸盐,d)0至10重量%的炭黑或石墨,以及其制备和用于制备自熄性聚苯乙烯颗粒泡沫体的方法。