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    • 4. 发明授权
    • Flame-retardant aromatic polyamide resin composition and molded object
    • 阻燃芳香族聚酰胺树脂组合物和成型体
    • US06521689B1
    • 2003-02-18
    • US09889011
    • 2001-07-06
    • Tadao YabuharaYuji TadaShinji NakanoTakashi KameshimaYoichi NishiokaHiroyuki Takase
    • Tadao YabuharaYuji TadaShinji NakanoTakashi KameshimaYoichi NishiokaHiroyuki Takase
    • C08K535
    • C08K7/04C08K3/22C08K5/5399C08K7/02C08K2003/2217C08L77/10C08L85/02C08L77/00C08L85/00C08L2666/84
    • An object of this invention is to impart excellent flame retardancy to an aromatic polyamide resin without use of a halogen compound which is responsible for generation of gases harmful to the human body and without decreasing preferred properties (e.g. mechanical properties, and molding processability) inherently possessed by aromatic polyamide resins, the flame-retardant aromatic polyamide resin composition of this invention comprising (a) 100 parts by weight of an aromatic polyamide resin, (b) 0.1 to 100 parts by weight of a crosslinked phosphazene compound which is a compound crosslinked with a crosslinking group, such as phenylene groups, the crosslinking group being interposed between the two oxygen atoms left after the elimination of phenyl groups from the phosphazene compound, no free hydroxyl group being present in the molecule, the amount of all phenyl groups in the crosslinked compound being 50 to 99.9% based on the total amount of the phenyl groups in the phosphazene compounds, (c) 1 to 60 parts by weight of an inorganic fibrous substance and (d) 1 to 60 parts by weight of magnesium hydroxide.
    • 本发明的目的是赋予芳族聚酰胺树脂优异的阻燃性,而不使用负责产生对人体有害的气体的卤素化合物,而不降低固有地具有的优选性能(例如机械性能和成型加工性) 通过芳族聚酰胺树脂,本发明的阻燃芳族聚酰胺树脂组合物包含(a)100重量份的芳族聚酰胺树脂,(b)0.1至100重量份的交联的磷腈化合物,其是与 交联基团,例如亚苯基,交联基团置于从磷腈化合物除去苯基后留下的两个氧原子之间,分子中不存在游离羟基,交联的所有苯基的量 化合物的含量为磷腈中苯基的总量的50-99.9% (c)1〜60重量份的无机纤维状物质和(d)1〜60重量份的氢氧化镁。