The advantages, disadvantages and mechanism of different methods were analyzed, and the trend of the development of flame retardants of HIPS was prospected. 分析了各種改性方法的優缺點，阻燃機理，並對阻燃劑的發展方向作了一些簡要預測。
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. 對硼系阻燃劑的阻燃機理進行深入研究並詳細敘述了其國內外發展概況。
