The advantages, disadvantages and mechanism of different methods were analyzed, and the trend of the development of flame retardants of HIPS was prospected. 分析了各种改性方法的优缺点，阻燃机理，并对阻燃剂的发展方向作了一些简要预测。
The study penetrates into the flame-proofing mechanism of flame retardants of boron family and their developing trend both at home and abroad narrated in detail. 对硼系阻燃剂的阻燃机理进行深入研究并详细叙述了其国内外发展概况。
