Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles
    1.
    发明申请
    Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles 失效
    Mg-Al系水滑石型颗粒,含氯树脂组合物及其制造方法

    公开(公告)号:US20030139511A1

    公开(公告)日:2003-07-24

    申请号:US10302837

    申请日:2002-11-25

    Abstract: A chlorine-containing resin composition for covering an electric wire of the present invention, has a heat stability of not less than 240 minutes and a volume resistivity of 5.0null1013 to 1.0null1016 nullnullcm when measured according to JIS K6723, and comprises: 100 parts by weight of a chlorine-containing resin, and 1.5 to 10 parts by weight of MgnullAl-based hydrotalcite-type particles having a composition represented by the formula: nullMgxCaynull.Alz.(OH)2.Annullp.mH2O wherein 0.2nullz/(xnullz)null0.6; 0.01nully/(xnullz)null0.20; xnullynullznull1; pnull(2(xnullynull1)null3z)/n; A is a n-valent anion; and m is more than 0 and not more than 0.75, having a plate surface diameter of 0.1 to 1.0 nullm and a thickness of 0.02 to 0.08 nullm, and containing calcium at a molar ratio of Ca to a sum of Mg and Al of 0.01:1 to 0.20:1, and having a heat-resisting time of not less than 4 hours upon a chlorine-containing resin composition containing the MgnullAl-based hydrotalcite-type particles.

    Abstract translation: 本发明的电线覆盖用含氯树脂组合物,根据JIS K6723测定时,其热稳定性为240分钟以上,体积电阻率为5.0×10 13〜1.0×10 16Ω/英寸,包含:100 重量份的含氯树脂和1.5至10重量份具有由下式表示的组成的Mg-Al基水滑石型颗粒:[Mg x Ca] AlAl(OH)2。 mH 2 O其中0.2 <= z /(x + z)≤0.6; 0.01 <= y /(x + z)<= 0.20; x + y + z = 1; p =(2(x + y-1)+ 3z)/ n; A是n价阴离子; m为0以上且0.75以下,板表面直径为0.1〜1.0μm,厚度为0.02〜0.08μm,Ca与Mg与Al之和的摩尔比为0.01: 1〜0.20:1,并且在含有Mg-Al系水滑石类粒子的含氯树脂组合物上具有不低于4小时的耐热时间。

Patent Agency Ranking