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    • 1. 发明申请
    • FLAME RETARDANT COMPOSITIONS IN THE FORM OF FREE-FLOWING POWDERS, THEIR PREPARATION AND THEIR USES
    • 自由流动粉末形式的阻燃组合物,其制备及其用途
    • WO2010075087A1
    • 2010-07-01
    • PCT/US2009/068069
    • 2009-12-15
    • ALBEMARLE CORPORATIONDITTMAR, ThomasHERBIET, Rene, G., E.GIESSELBACH, Monika
    • DITTMAR, ThomasHERBIET, Rene, G., E.GIESSELBACH, Monika
    • C08K9/12C08K9/04C09K21/04
    • C08K9/12C08K9/04C09K21/12
    • Flame retardant compositions in the form of free-flowing powders comprising at least one phosphorus-containing flame retardant absorbed when in the liquid state by (i) a transition alumina, (ii) a boehmite, (iii) a pseudo boehmite, or (iv) a combination of any two or all three of (i), (ii), and (iii), is described. A number of such compositions were found to have greater flowability in the Vibrating Funnel Test than a separate untreated portion of the same untreated transition alumina, boehmite, and/or pseudo boehmite. This was found to be the case even where the untreated flame retardant was a solid at room temperature and thus was heated to about 1000C to convert it into a liquid used in forming an absorbed flame retardant composition of this invention. These compositions can be used in combination with other particulate inorganic flame retardants. The preparation and use of the flame retardants is also described.
    • 形式为自由流动粉末的阻燃剂组合物,其包含至少一种当处于液态时吸收的含磷阻燃剂,所述阻燃剂组合物为(i)过渡氧化铝,(ii)勃姆石,(iii)假勃姆石或(iv )描述了(i),(ii)和(iii)中的任何两个或全部三个的组合。 在振动漏斗试验中发现许多这样的组合物具有比相同的未处理的过渡氧化铝,勃姆石和/或假勃姆石的单独的未处理部分更大的流动性。 即使未处理的阻燃剂在室温下为固体,因此被加热至约100℃,将其转化成用于形成本发明吸收的阻燃剂组合物的液体即可。 这些组合物可以与其它颗粒状无机阻燃剂组合使用。 还描述了阻燃剂的制备和使用。