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发明申请
US20050282947A1 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

Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles
摘要：
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 5.0×1013 to 1.0×1016 Ω·cm 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 Mg—Al-based hydrotalcite-type particles having a composition represented by the formula: [MgxCay]•Alz•(OH)2•An−p•mH2O wherein 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 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 μm and a thickness of 0.02 to 0.08 μm, 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 Mg—Al-based hydrotalcite-type particles.
摘要（中）：

本发明的电线覆盖用含氯树脂组合物的热稳定性不低于240分钟，体积电阻率为5.0×10 13〜1.0×10 16， 根据JIS K6723测量时，SUP> Omeg·cm，包含：100重量份含氯树脂和1.5〜10重量份具有式（I）所示组成的Mg-Al系水滑石型颗粒， ：<？in-line-formula description =“In-line Formulas”end =“lead”？> [Mg Ca /SUB>.(OH)2.An-p.mH2O <？in-line -formulae description =“In-line Formulas”end =“tail”？>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。

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