辐射技术对聚酯改性研究进展

Research progress in modification of polyester by radiation technology

辐射技术以其环境友好、操作简单、对基材损害小等优点,逐渐得到了人们的广泛关注。利用电离辐射诱导聚合物发生交联、降解和接枝的方法已广泛应用于高分子材料的改性研究中。聚酯是一类性能优异、用途广泛的材料,在材料领域占据重要地位。主要概述了辐射(高能电子束、γ射线、紫外光等)对聚丙交酯(PLA)、聚己内酯(PCL)和聚对苯二甲酸乙二醇酯(PET)等聚酯材料物理化学性能的影响,分析并总结了辐射改性聚合物的原理和方法。

Radiation technology has gradually gained widespread attention due to the advantages of environmental friendliness,simple operation and little damage to polymer substrate.The method of inducing crosslinking,degradation and grafting of polymers by ionizing radiation has been widely used in the modification of polymers.Polyester is a class of materials with excellent properties and wide use,and plays an important role in the field of materials science.The effects of radiation(high-energy electron beam,γ-rays,ultraviolet,etc.)on the physical and chemical properties of polyester materials,including polylactide(PLA),polycaprolactone(PCL),polyethylene terephthalate(PET),etc.were mainly summarized.The principles and methods of polymer modification by radiation were also analyzed.