Phenolphthalein-based flame-retardant charring agent composition, preparation method thereof and application of phenolphthalein-based flame-retardant charring agent composition in nylon 66

The invention discloses a phenolphthalein-based flame-retardant charring agent composition as well as a preparation method and application thereof in nylon 66, and belongs to the technical field of high polymer materials. The composition is prepared from the following components in percentage by mass: 60 to 90 percent of methyl butyl aluminum phosphinate, 5 to 20 percent of phenolphthalein and 5 to 20 percent of zinc stearate. The composition in a certain proportion is added into nylon 66 resin for preparing a nylon composite material, so that the overall performance of the material is improved. 本发明公开了一种酚酞基阻燃用成炭剂组合物及其制备方法与在尼龙66中的应用，属于高分子材料技术领域。该组合物由如下质量百分比的各组分组成：甲基丁基次膦酸铝：60～90％、酚酞：5～20％、硬脂酸锌：5～20％。将一定比例的组合物添加至尼龙66树脂中用于制备尼龙复合材料，有利于提高材料的整体性能。