Flame retardant for halogen-containing vinyl resins
    44.
    发明授权
    Flame retardant for halogen-containing vinyl resins 失效
    含卤乙烯基树脂的阻燃剂

    公开(公告)号:US4608198A

    公开(公告)日:1986-08-26

    申请号:US647038

    申请日:1984-09-04

    摘要: Antimony pentoxide-containing flame retardant for halogen-containing vinyl resins which comprises, with respect to 100 parts by weight of Sb.sub.2 O.sub.5, (A) 3 to 20 parts by weight of an alkali metal in terms of M.sub.2 O wherein M represents an alkali metal, (B) 1 to 25 parts by weight of an alkaline earth metal in terms of M'O wherein M' represents an alkaline earth metal, and (C) 0.04 to 3 parts by weight of a compound selected from the group consisting of phosphoric acid, an ammonium salt of phosphoric acid, and an alkali metal salt of phosphoric acid, in terms of P.sub.2 O.sub.5, as well as a method for preparing the same.The flame retardant according to this invention does not impair, the transparency, the thermal stability, or the bleeding resistance of the halogen-containing vinyl resins.

    摘要翻译: 含卤素乙烯基树脂的含五氧化锑的阻燃剂包括:相对于100重量份的Sb 2 O 5,(A)3至20重量份的以M 2 O换算的碱金属,其中M表示碱金属( B)1〜25重量份的以M'O表示的碱土金属,其中M'表示碱土金属,(C)0.04〜3重量份选自磷酸, 磷酸的铵盐和磷酸的碱金属盐,按照P2O5的方法,以及其制备方法。 根据本发明的阻燃剂不会损害含卤乙烯基树脂的透明度,热稳定性或耐渗出性。