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    • 6. 发明授权
    • Thermoplastic compositions improved fire performance containing alkenyl
aromataic polymers
    • 热塑性组合物改进了包含链烯基芳族聚合物的耐火性能
    • US5369157A
    • 1994-11-29
    • US173100
    • 1993-12-27
    • Rene Wirth
    • Rene Wirth
    • C08K5/05C08K5/00C08K5/053C08K5/17C08K5/3492C08K5/49C08K5/521C08L25/02C08L25/04C08L69/00C08L71/12C08K5/3477
    • C08K5/3492C08K5/053C08K5/521
    • Thermoplastic compositions containing, per 100 parts by weight of a thermoplastic material containing at least one alkenyl aromatic hydrocarbon polymer or copolymer and, if required, at least one other thermoplastic of elastomeric resin:(a) from 5 to 30 parts by weight of melamine and melamine isocyanurate,(b) from 2 to 10 parts by weight of at least one polyol containing at least 4 hydroxyl functions per molecule, and(c) from 0 to 14 parts by weight of at least one organic ester of phosphoric acid.A process for their preparation consists of mixing the various constituents at a temperature higher than the softening point of the alkenyl aromatic hydrocarbon polymer or copolymer, between 150.degree. and 200.degree. C., for a duration between 1 and 5 minutes in an internal mixer or extruder.Articles obtained by transformation of the above compositions are formed having low combustion rates.
    • 含有至少一种链烯基芳族烃聚合物或共聚物的热塑性材料和必要时至少一种其它热塑弹性体树脂的热塑性组合物:(a)5-30重量份的三聚氰胺和 三聚氰胺异氰脲酸酯,(b)2至10重量份的至少一种每分子含有至少4个羟基官能团的多元醇,和(c)0至14重量份的至少一种磷酸有机酯。 其制备方法包括在高于烯基芳族烃聚合物或共聚物的软化点的温度下将各种组分在150至200℃之间混合,在内部混合器中持续1至5分钟, 挤出机。 通过转化上述组合物获得的制品形成具有低燃烧率。