摘要
With the development of the global economyand the constant progress of science andtechnology,more stringent requirements havebeen applied to the performance of materials.The performance of traditional materials canhardly meet the needs in application.Devel-opment and application of new chemical ma-terials has therefore aroused widespreadattention.General-purpose and special engi-neering plastics have become one of the fo-cuses for new chemical materials.