微发泡聚合物材料的研究进展

Reseach progress in microcellular polymer material

微发泡聚合物材料是泡孔尺寸在微米级的一种新型高分子材料,因其独特的微孔结构能够改善制品的尺寸稳定性、收缩率等问题,已经成为近年来聚合物材料的研究热点。本文综述了微发泡成型研究机理,成型加工参数、纳米填料和发泡剂对微发泡聚合物材料结构与性能的影响,并对众多研究结果进行了分析,提出了未来微发泡聚合物材料的研究领域有待于进一步深入的研究方向,并对微发泡聚合物材料的研究及应用前景进行了展望,提出扩大工业应用的趋势是开发出微发泡聚合物母料来替代物理以及化学发泡。这些基础性的研究工作对于深入理解微发泡聚合物材料的形成机理及后续的应用研究具有非常重要的意义。

Microcellular polymer material is a newly developed polymer material which cell size is in micron.Because its unique micro-pore structure can improve the dimensional stability,shrinkage rate and other shortcomings of products,which makes it become a research hotspot of polymer material in recent years.In this paper,the mechanism of micro-foam molding was briefly introduced,the effects of molding processing parameters,nano filler,blowing agent on structure and properties of microcellular polymer material were outlined.Summary was generated based on the numerous research results,then some critical issues that to be further studied was put forward.Moreover,the foreground of research and application of microcellular polymer was expected.All these fundamental works are very important for understanding the mechanism of forming of microcellular polymer foams.They are significant for subsequent application research as well.