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    • 8. 发明授权
    • Amorphous, transparent polyamide compositions and articles having
reduced flammability
    • 无定形,透明的聚酰胺组合物和具有降低的可燃性的制品
    • US5990270A
    • 1999-11-23
    • US182424
    • 1998-10-30
    • Hans Dalla TorreManfred Hewel
    • Hans Dalla TorreManfred Hewel
    • C08K5/5357C08G69/26C08G69/28
    • C08K5/5357
    • A polyamide composition which is amorphous and transparent, which has reduced flammability, and which has reduced migration of flame-retardant additive so that it is film-free, includes at least one polyamide which contains cycloaliphatic monomer units and which is amorphous and transparent; and a flame-retardant additive which is present in an amount effective to reduced flammability of the polyamide composition, which is dissolved in the at least one polyamide, and which is at least one alkyl phosphonic acid compound having a general formula: ##STR1## wherein R and R' each represent, independent of each other, an alkyl group having from 1 to 4 carbon atoms, and x=0 or 1. An article molded from this composition is transparent, has reduced flammability, and has reduced migration of flame-retardant additive so that it is film-free.
    • 无定形和透明的聚酰胺组合物具有降低的可燃性,并且减少了阻燃添加剂的迁移使其不含膜,包括至少一种含有脂环族单体单元并且是无定形和透明的聚酰胺; 和阻燃添加剂,其以有效降低溶解在至少一种聚酰胺中的聚酰胺组合物的可燃性的量存在,并且是至少一种具有以下通式的烷基膦酸化合物:其中R和R 各自独立地表示具有1至4个碳原子的烷基,x = 0或1.由该组合物模制的制品是透明的,具有降低的可燃性,并且阻止阻燃添加剂的迁移减少 这是无电影的。