LCM工艺用热固性树脂体系化学流变模型的研究进展  

Chemorheology Models of Thermosetting Resins and State of the Art for LCM Process

作　　者：代晓青[1] 肖加余[1] 曾竟成[1] 江大志[1] 尹昌平[1] 边立平[1] 

机构地区：[1]国防科技大学航天与材料工程学院,长沙410073

出　　处：《材料导报》2009年第23期89-92,共4页Materials Reports

摘　　要：树脂与固化剂、促进剂等混合后组成树脂体系。单纯依赖实验方法测量树脂体系的黏度会造成人力和物力的巨大浪费,故引入化学流变模型来预测树脂黏度。简述了热固性树脂体系流变性能的实验流程,综述了适用于LCM工艺用热固性树脂体系的化学流变模型。这些模型包括双阿累尼乌斯模型、工程黏度模型、WLF模型、Fontana模型和Kiuna改性模型,同时评述了各模型的形式和特点。最后分析了现有化学流变模型的不足,指出综合考虑温度和固化程度因素、适用范围更广的化学流变模型将是未来的研究重点。A resin system is composed of resins, curing agents and accelerants. The only experimental method for the viscosity of the resin system can largely waste the manpower and material resources. Therefore, chemorheology models are applied to predict the resin viscosity. In this paper, experimental programs for those chemorheology properties of thermosetting resins are described, and then these ehemorheology models of thermosetting resins for LCM process are reviewed, including dual-Arrhenius viscosity model, engineering viscosity model, Williams-Landel- Ferry viscosity model, Fontana viscosity model and Kiuna viscosity model, and forms and characteristics of those viscosity models are also discussed. Lastly, those shortages of current chemorheology models are put forward, while it is anticipated that the widely applied chemorheology model about the combined influence of temperature and cure degree will be research hotspots in future.

关 键 词：LCM 热固性树脂 树脂体系 流变模型 

分 类 号：TB332[一般工业技术—材料科学与工程]