Flame retardant for halogen-containing vinyl resins
    6.
    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:US5190700A

    公开(公告)日:1993-03-02

    申请号:US574606

    申请日:1990-08-29

    IPC分类号: C08K3/16 C08K3/22 C08K13/02

    CPC分类号: C08K3/2279 C08K13/02 C08K3/16

    摘要: The present invention provides a power flame retardant for a halogen-containing vinyl resin, which comprises the following Components A, B and C. (A) 5 to 30 parts by weight of at least one of alkali metal compound of lithium, sodium and potassium calculated as the formula M.sub.2 O where M is an alkali metal; (B) 0.2 to 10 parts by weight of a perchloric acid radical in the form of the acid or a salt or amine thereof, calculated as perchloric acid radical; and (C) 1 to 50 parts by weight of a hydrophobic dispersing agent having a boiling point or a decomposition temperature of 200.degree. C. or higher. All the parts by weight are based on 100 parts by weight of antimony pentoxide (Sb.sub.2 O.sub.5). The flame retardant of the present invention does not impair transparency of the halogen-containing vinyl resin, and also does not worsen various physical properties such as thermal stability and weathering resistance. The invention also provides (1) flame retardant halogen containing resins and (2) a process for preparing the powdered flame retardant.

    摘要翻译: 本发明提供含卤乙烯基树脂的电力阻燃剂,其包含以下组分A,B和C.(A)5至30重量份的锂,钠和钾的碱金属化合物 按公式M2O计算,其中M为碱金属; (B)0.2至10重量份以酸或其盐或胺形式的高氯酸基团,其计为高氯酸根; 和(C)1〜50重量份的沸点或分解温度为200℃以上的疏水性分散剂。 所有重量份均基于100重量份的五氧化二锑(Sb 2 O 5)。 本发明的阻燃剂不会损害含卤乙烯基树脂的透明性,也不会使各种物理性质如热稳定性和耐候性恶化。 本发明还提供(1)阻燃卤素树脂和(2)制备阻燃剂的方法。

    Positively charged antimony pentoxide sol and preparation thereof
    7.
    发明授权
    Positively charged antimony pentoxide sol and preparation thereof 失效
    正电荷五氧化二锑溶胶及其制备

    公开(公告)号:US4731198A

    公开(公告)日:1988-03-15

    申请号:US846580

    申请日:1986-03-31

    摘要: Disclosed is a positively charged antimony pentoxide sol, comprising colloidal particles of antimony pentoxide sol coated on their surfaces with at least one of trivalent and tetravalent metals, the content of the metals being 1 to 50% by weight in terms of the metal oxide based on antimony pentoxide in the antimony pentoxide sol.When the positively charged antimony pentoxide sol of this invention is mixed with a cationic resin emulsion or an aqueous solution of a cationic water-soluble polymer, no agglomeration occurs and also, when it is added into an aqueous solution of an inorganic acid such as hydrochloric acid, sulfuric acid, nitric acid, etc., or an organic acid such as acetic acid, propionic acid, oxalic acid, maleic acid, etc., an aqueous solution of a metal salt or amine salts of these acids or an organic solvent such as an alcohol, no agglomeration occurs but it is well dispersed therein, and therefore it can be applicable for fields in which the antimony pentoxide sol of the prior art cannot satisfactorily be used.

    摘要翻译: 公开了一种带正电的五氧化二锑溶胶,其包含五氧化二锑溶胶表面上用至少一种三价和四价金属涂覆的胶体颗粒,金属含量为基于金属氧化物换算为1至50重量% 五氧化二锑中的五氧化二锑。 当将本发明的带正电荷的五氧化二锑溶胶与阳离子树脂乳液或阳离子水溶性聚合物的水溶液混合时,不发生附聚,并且当将其加入到无机酸如盐酸 酸,硫酸,硝酸等,或有机酸如乙酸,丙酸,草酸,马来酸等,这些酸的金属盐或胺盐的水溶液或有机溶剂如 作为醇,不发生凝聚,但是其分散良好,因此可以适用于现有技术的五氧化二锑溶胶不能令人满意地使用的领域。