热熔法酚醛树脂预浸料黏性分析及定量测试方法

doi:10.19936/j.cnki.2096-8000.20260628.006

摘要/Abstract

摘要： 预浸料黏性是预浸料存储和复合材料成型过程中的关键指标之一。目前针对预浸料黏性的定量表征手段鲜有标准化的测试方法。本研究采用流变仪作为黏性测试装置,系统考察了温度、压实力、脱黏率及老化等关键工艺参数对酚醛预浸料黏性的影响。研究结果表明,酚醛预浸料的黏性是温度与压实力的函数,在界面润湿-内聚协同机制作用下形成最高黏性平台,时效老化使黏性平台向高温区迁移。进一步通过Arrhenius模型拟合,分析了预浸料在高温条件下的黏性行为以及树脂驱动的脱黏现象,研究结果可为酚醛预浸料成型工艺参数(如温度、压力)和性能的优化提供重要的参考依据。

关键词: 酚醛树脂, 预浸料黏性, 铺覆工艺, 流变, 碳纤维

Abstract: The tackiness of prepreg is one of the key indicators in prepreg storage and composite material forming processes. Currently, there is a lack of standardized testing methods for the quantitative characterization of prepreg tackiness. In this study, a rheometer was employed as a tack-testing device to systematically investigate the effects of key process parameters such as temperature, compaction force, debonding rate, and aging on the tackiness of phenolic prepregs. The results demonstrate that the tackiness of phenolic prepregs is a function of temperature and compaction force, forming a maximum tack plateau under the synergistic mechanism of interfacial wetting and cohesion. Aging shifts the tack plateau toward higher temperature regions. Furthermore, through Arrhenius model fitting, the high-temperature tack behavior and resin-dominated debonding phenomenon of the prepreg were analyzed. The findings provide important insights for optimizing process parameters and performance in phenolic prepreg molding.

Key words: phenolic resin, prepreg tackiness, layup process, rheology, carbon fiber

中图分类号:

TB332

王闰吉, 张忠州, 尹启晨, 李怡霏, 姚月娟, 陈飞, 刘育红. 热熔法酚醛树脂预浸料黏性分析及定量测试方法[J]. 复合材料科学与工程, 2026, 0(6): 46-54.

WANG Runji, ZHANG Zhongzhou, YIN Qichen, LI Yifei, YAO Yuejuan, CHEN Fei, LIUYuhong. Viscosity analysis and quantitative testing method of phenolic resin prepreg by hot melt method[J]. COMPOSITES SCIENCE AND ENGINEERING, 2026, 0(6): 46-54.

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