Mg4Al2-hydrotalcite has highest thermal stability among several different forms of hydrotalcite, as is favorable to improve process capability.So it is worth studying.

• 镁铝水滑石具有多种不同的化学组成，其中Mg4Al2型水滑石脱水分解温度最高，有利于提高聚合物阻燃材料的加工性能，是镁铝水滑石阻燃剂的发展方向。