高熔体强度聚合物的制备与表征研究进展

Progress of Preparation and Characterization of High Melt Strength Polymer

高熔体强度聚合物比一般通用型聚合物具备更加优越的综合性能和市场应用价值,熔体强度是高分子材料加工过程中的一个非常重要的参数。本文从熔体强度的研究意义,测试表征,影响因素以及制备等方面出发,探讨了反应挤出及长链支化等方法制备高熔体强度聚合物的研究进展,并总结和展望了研究中的不足与未来发展前景。

Compared with general polymer, polymer with high melt strength has better comprehensive performance and value of application. It is an important parameter in polymer processing. In this paper, the progress of high melt strength polymer by using reactive extruding and grafting was discussed from the importance, characterization, influencing factor and preparation. In addition, the future development tendency and the existing problem were also summarized.